gitlab-org--gitlab-foss/spec/models/merge_request_spec.rb

2395 lines
76 KiB
Ruby

require 'spec_helper'
describe MergeRequest do
include RepoHelpers
include ProjectForksHelper
subject { create(:merge_request) }
describe 'associations' do
it { is_expected.to belong_to(:target_project).class_name('Project') }
it { is_expected.to belong_to(:source_project).class_name('Project') }
it { is_expected.to belong_to(:merge_user).class_name("User") }
it { is_expected.to belong_to(:assignee) }
it { is_expected.to have_many(:merge_request_diffs) }
end
describe '#squash_in_progress?' do
shared_examples 'checking whether a squash is in progress' do
let(:repo_path) do
Gitlab::GitalyClient::StorageSettings.allow_disk_access do
subject.source_project.repository.path
end
end
let(:squash_path) { File.join(repo_path, "gitlab-worktree", "squash-#{subject.id}") }
before do
system(*%W(#{Gitlab.config.git.bin_path} -C #{repo_path} worktree add --detach #{squash_path} master))
end
it 'returns true when there is a current squash directory' do
expect(subject.squash_in_progress?).to be_truthy
end
it 'returns false when there is no squash directory' do
FileUtils.rm_rf(squash_path)
expect(subject.squash_in_progress?).to be_falsey
end
it 'returns false when the squash directory has expired' do
time = 20.minutes.ago.to_time
File.utime(time, time, squash_path)
expect(subject.squash_in_progress?).to be_falsey
end
it 'returns false when the source project has been removed' do
allow(subject).to receive(:source_project).and_return(nil)
expect(subject.squash_in_progress?).to be_falsey
end
end
context 'when Gitaly squash_in_progress is enabled' do
it_behaves_like 'checking whether a squash is in progress'
end
context 'when Gitaly squash_in_progress is disabled', :disable_gitaly do
it_behaves_like 'checking whether a squash is in progress'
end
end
describe '#squash?' do
let(:merge_request) { build(:merge_request, squash: squash) }
subject { merge_request.squash? }
context 'disabled in database' do
let(:squash) { false }
it { is_expected.to be_falsy }
end
context 'enabled in database' do
let(:squash) { true }
it { is_expected.to be_truthy }
end
end
describe 'modules' do
subject { described_class }
it { is_expected.to include_module(Issuable) }
it { is_expected.to include_module(Referable) }
it { is_expected.to include_module(Sortable) }
it { is_expected.to include_module(Taskable) }
it_behaves_like 'AtomicInternalId' do
let(:internal_id_attribute) { :iid }
let(:instance) { build(:merge_request) }
let(:scope) { :target_project }
let(:scope_attrs) { { project: instance.target_project } }
let(:usage) { :merge_requests }
end
end
describe 'validation' do
it { is_expected.to validate_presence_of(:target_branch) }
it { is_expected.to validate_presence_of(:source_branch) }
context "Validation of merge user with Merge When Pipeline Succeeds" do
it "allows user to be nil when the feature is disabled" do
expect(subject).to be_valid
end
it "is invalid without merge user" do
subject.merge_when_pipeline_succeeds = true
expect(subject).not_to be_valid
end
it "is valid with merge user" do
subject.merge_when_pipeline_succeeds = true
subject.merge_user = build(:user)
expect(subject).to be_valid
end
end
context 'for forks' do
let(:project) { create(:project) }
let(:fork1) { fork_project(project) }
let(:fork2) { fork_project(project) }
it 'allows merge requests for sibling-forks' do
subject.source_project = fork1
subject.target_project = fork2
expect(subject).to be_valid
end
end
end
describe 'callbacks' do
describe '#ensure_merge_request_metrics' do
it 'creates metrics after saving' do
merge_request = create(:merge_request)
expect(merge_request.metrics).to be_persisted
expect(MergeRequest::Metrics.count).to eq(1)
end
it 'does not duplicate metrics for a merge request' do
merge_request = create(:merge_request)
merge_request.mark_as_merged!
expect(MergeRequest::Metrics.count).to eq(1)
end
end
end
describe 'respond to' do
it { is_expected.to respond_to(:unchecked?) }
it { is_expected.to respond_to(:can_be_merged?) }
it { is_expected.to respond_to(:cannot_be_merged?) }
it { is_expected.to respond_to(:merge_params) }
it { is_expected.to respond_to(:merge_when_pipeline_succeeds) }
end
describe '.by_commit_sha' do
subject(:by_commit_sha) { described_class.by_commit_sha(sha) }
let!(:merge_request) { create(:merge_request, :with_diffs) }
context 'with sha contained in latest merge request diff' do
let(:sha) { 'b83d6e391c22777fca1ed3012fce84f633d7fed0' }
it 'returns merge requests' do
expect(by_commit_sha).to eq([merge_request])
end
end
context 'with sha contained not in latest merge request diff' do
let(:sha) { 'b83d6e391c22777fca1ed3012fce84f633d7fed0' }
it 'returns empty requests' do
latest_merge_request_diff = merge_request.merge_request_diffs.create
latest_merge_request_diff.merge_request_diff_commits.where(sha: 'b83d6e391c22777fca1ed3012fce84f633d7fed0').delete_all
expect(by_commit_sha).to be_empty
end
end
context 'with sha not contained in' do
let(:sha) { 'b83d6e3' }
it 'returns empty result' do
expect(by_commit_sha).to be_empty
end
end
end
describe '.in_projects' do
it 'returns the merge requests for a set of projects' do
expect(described_class.in_projects(Project.all)).to eq([subject])
end
end
describe '.set_latest_merge_request_diff_ids!' do
def create_merge_request_with_diffs(source_branch, diffs: 2)
params = {
target_project: project,
target_branch: 'master',
source_project: project,
source_branch: source_branch
}
create(:merge_request, params).tap do |mr|
diffs.times { mr.merge_request_diffs.create }
end
end
let(:project) { create(:project) }
it 'sets IDs for merge requests, whether they are already set or not' do
merge_requests = [
create_merge_request_with_diffs('feature'),
create_merge_request_with_diffs('feature-conflict'),
create_merge_request_with_diffs('wip', diffs: 0),
create_merge_request_with_diffs('csv')
]
merge_requests.take(2).each do |merge_request|
merge_request.update_column(:latest_merge_request_diff_id, nil)
end
expected = merge_requests.map do |merge_request|
merge_request.merge_request_diffs.maximum(:id)
end
expect { project.merge_requests.set_latest_merge_request_diff_ids! }
.to change { merge_requests.map { |mr| mr.reload.latest_merge_request_diff_id } }.to(expected)
end
end
describe '#target_branch_sha' do
let(:project) { create(:project, :repository) }
subject { create(:merge_request, source_project: project, target_project: project) }
context 'when the target branch does not exist' do
before do
project.repository.rm_branch(subject.author, subject.target_branch)
subject.clear_memoized_shas
end
it 'returns nil' do
expect(subject.target_branch_sha).to be_nil
end
end
it 'returns memoized value' do
subject.target_branch_sha = '8ffb3c15a5475e59ae909384297fede4badcb4c7'
expect(subject.target_branch_sha).to eq '8ffb3c15a5475e59ae909384297fede4badcb4c7'
end
end
describe '#card_attributes' do
it 'includes the author name' do
allow(subject).to receive(:author).and_return(double(name: 'Robert'))
allow(subject).to receive(:assignee).and_return(nil)
expect(subject.card_attributes)
.to eq({ 'Author' => 'Robert', 'Assignee' => nil })
end
it 'includes the assignee name' do
allow(subject).to receive(:author).and_return(double(name: 'Robert'))
allow(subject).to receive(:assignee).and_return(double(name: 'Douwe'))
expect(subject.card_attributes)
.to eq({ 'Author' => 'Robert', 'Assignee' => 'Douwe' })
end
end
describe '#assignee_ids' do
it 'returns an array of the assigned user id' do
subject.assignee_id = 123
expect(subject.assignee_ids).to eq([123])
end
end
describe '#assignee_ids=' do
it 'sets assignee_id to the last id in the array' do
subject.assignee_ids = [123, 456]
expect(subject.assignee_id).to eq(456)
end
end
describe '#assignee_or_author?' do
let(:user) { create(:user) }
it 'returns true for a user that is assigned to a merge request' do
subject.assignee = user
expect(subject.assignee_or_author?(user)).to eq(true)
end
it 'returns true for a user that is the author of a merge request' do
subject.author = user
expect(subject.assignee_or_author?(user)).to eq(true)
end
it 'returns false for a user that is not the assignee or author' do
expect(subject.assignee_or_author?(user)).to eq(false)
end
end
describe '#cache_merge_request_closes_issues!' do
before do
subject.project.add_developer(subject.author)
subject.target_branch = subject.project.default_branch
end
it 'caches closed issues' do
issue = create :issue, project: subject.project
commit = double('commit1', safe_message: "Fixes #{issue.to_reference}")
allow(subject).to receive(:commits).and_return([commit])
expect { subject.cache_merge_request_closes_issues!(subject.author) }.to change(subject.merge_requests_closing_issues, :count).by(1)
end
context 'when both internal and external issue trackers are enabled' do
before do
subject.project.has_external_issue_tracker = true
subject.project.save!
create(:jira_service, project: subject.project)
end
it 'does not cache issues from external trackers' do
issue = ExternalIssue.new('JIRA-123', subject.project)
commit = double('commit1', safe_message: "Fixes #{issue.to_reference}")
allow(subject).to receive(:commits).and_return([commit])
expect { subject.cache_merge_request_closes_issues!(subject.author) }.not_to raise_error
expect { subject.cache_merge_request_closes_issues!(subject.author) }.not_to change(subject.merge_requests_closing_issues, :count)
end
it 'caches an internal issue' do
issue = create(:issue, project: subject.project)
commit = double('commit1', safe_message: "Fixes #{issue.to_reference}")
allow(subject).to receive(:commits).and_return([commit])
expect { subject.cache_merge_request_closes_issues!(subject.author) }
.to change(subject.merge_requests_closing_issues, :count).by(1)
end
end
context 'when only external issue tracker enabled' do
before do
subject.project.has_external_issue_tracker = true
subject.project.issues_enabled = false
subject.project.save!
end
it 'does not cache issues from external trackers' do
issue = ExternalIssue.new('JIRA-123', subject.project)
commit = double('commit1', safe_message: "Fixes #{issue.to_reference}")
allow(subject).to receive(:commits).and_return([commit])
expect { subject.cache_merge_request_closes_issues!(subject.author) }.not_to change(subject.merge_requests_closing_issues, :count)
end
it 'does not cache an internal issue' do
issue = create(:issue, project: subject.project)
commit = double('commit1', safe_message: "Fixes #{issue.to_reference}")
allow(subject).to receive(:commits).and_return([commit])
expect { subject.cache_merge_request_closes_issues!(subject.author) }
.not_to change(subject.merge_requests_closing_issues, :count)
end
end
end
describe '#source_branch_sha' do
let(:last_branch_commit) { subject.source_project.repository.commit(Gitlab::Git::BRANCH_REF_PREFIX + subject.source_branch) }
context 'with diffs' do
subject { create(:merge_request, :with_diffs) }
it 'returns the sha of the source branch last commit' do
expect(subject.source_branch_sha).to eq(last_branch_commit.sha)
end
end
context 'without diffs' do
subject { create(:merge_request, :without_diffs) }
it 'returns the sha of the source branch last commit' do
expect(subject.source_branch_sha).to eq(last_branch_commit.sha)
end
context 'when there is a tag name matching the branch name' do
let(:tag_name) { subject.source_branch }
it 'returns the sha of the source branch last commit' do
subject.source_project.repository.add_tag(subject.author,
tag_name,
subject.target_branch_sha,
'Add a tag')
expect(subject.source_branch_sha).to eq(last_branch_commit.sha)
subject.source_project.repository.rm_tag(subject.author, tag_name)
end
end
end
context 'when the merge request is being created' do
subject { build(:merge_request, source_branch: nil, compare_commits: []) }
it 'returns nil' do
expect(subject.source_branch_sha).to be_nil
end
end
it 'returns memoized value' do
subject.source_branch_sha = '2e5d3239642f9161dcbbc4b70a211a68e5e45e2b'
expect(subject.source_branch_sha).to eq '2e5d3239642f9161dcbbc4b70a211a68e5e45e2b'
end
end
describe '#to_reference' do
let(:project) { build(:project, name: 'sample-project') }
let(:merge_request) { build(:merge_request, target_project: project, iid: 1) }
it 'returns a String reference to the object' do
expect(merge_request.to_reference).to eq "!1"
end
it 'supports a cross-project reference' do
another_project = build(:project, name: 'another-project', namespace: project.namespace)
expect(merge_request.to_reference(another_project)).to eq "sample-project!1"
end
it 'returns a String reference with the full path' do
expect(merge_request.to_reference(full: true)).to eq(project.full_path + '!1')
end
end
describe '#raw_diffs' do
let(:merge_request) { build(:merge_request) }
let(:options) { { paths: ['a/b', 'b/a', 'c/*'] } }
context 'when there are MR diffs' do
it 'delegates to the MR diffs' do
merge_request.merge_request_diff = MergeRequestDiff.new
expect(merge_request.merge_request_diff).to receive(:raw_diffs).with(options)
merge_request.raw_diffs(options)
end
end
context 'when there are no MR diffs' do
it 'delegates to the compare object' do
merge_request.compare = double(:compare)
expect(merge_request.compare).to receive(:raw_diffs).with(options)
merge_request.raw_diffs(options)
end
end
end
describe '#diffs' do
let(:merge_request) { build(:merge_request) }
let(:options) { { paths: ['a/b', 'b/a', 'c/*'] } }
context 'when there are MR diffs' do
it 'delegates to the MR diffs' do
merge_request.save
expect(merge_request.merge_request_diff).to receive(:raw_diffs).with(hash_including(options))
merge_request.diffs(options)
end
end
context 'when there are no MR diffs' do
it 'delegates to the compare object, setting expanded: true' do
merge_request.compare = double(:compare)
expect(merge_request.compare).to receive(:diffs).with(options.merge(expanded: true))
merge_request.diffs(options)
end
end
end
describe '#diff_size' do
let(:merge_request) do
build(:merge_request, source_branch: 'expand-collapse-files', target_branch: 'master')
end
context 'when there are MR diffs' do
it 'returns the correct count' do
merge_request.save
expect(merge_request.diff_size).to eq('105')
end
it 'returns the correct overflow count' do
allow(Commit).to receive(:max_diff_options).and_return(max_files: 2)
merge_request.save
expect(merge_request.diff_size).to eq('2+')
end
it 'does not perform highlighting' do
merge_request.save
expect(Gitlab::Diff::Highlight).not_to receive(:new)
merge_request.diff_size
end
end
context 'when there are no MR diffs' do
def set_compare(merge_request)
merge_request.compare = CompareService.new(
merge_request.source_project,
merge_request.source_branch
).execute(
merge_request.target_project,
merge_request.target_branch
)
end
it 'returns the correct count' do
set_compare(merge_request)
expect(merge_request.diff_size).to eq('105')
end
it 'returns the correct overflow count' do
allow(Commit).to receive(:max_diff_options).and_return(max_files: 2)
set_compare(merge_request)
expect(merge_request.diff_size).to eq('2+')
end
it 'does not perform highlighting' do
set_compare(merge_request)
expect(Gitlab::Diff::Highlight).not_to receive(:new)
merge_request.diff_size
end
end
end
describe "#related_notes" do
let!(:merge_request) { create(:merge_request) }
before do
allow(merge_request).to receive(:commits) { [merge_request.source_project.repository.commit] }
create(:note_on_commit, commit_id: merge_request.commits.first.id,
project: merge_request.project)
create(:note, noteable: merge_request, project: merge_request.project)
end
it "includes notes for commits" do
expect(merge_request.commits).not_to be_empty
expect(merge_request.related_notes.count).to eq(2)
end
it "includes notes for commits from target project as well" do
create(:note_on_commit, commit_id: merge_request.commits.first.id,
project: merge_request.target_project)
expect(merge_request.commits).not_to be_empty
expect(merge_request.related_notes.count).to eq(3)
end
end
describe '#for_fork?' do
it 'returns true if the merge request is for a fork' do
subject.source_project = build_stubbed(:project, namespace: create(:group))
subject.target_project = build_stubbed(:project, namespace: create(:group))
expect(subject.for_fork?).to be_truthy
end
it 'returns false if is not for a fork' do
expect(subject.for_fork?).to be_falsey
end
end
describe '#closes_issues' do
let(:issue0) { create :issue, project: subject.project }
let(:issue1) { create :issue, project: subject.project }
let(:commit0) { double('commit0', safe_message: "Fixes #{issue0.to_reference}") }
let(:commit1) { double('commit1', safe_message: "Fixes #{issue0.to_reference}") }
let(:commit2) { double('commit2', safe_message: "Fixes #{issue1.to_reference}") }
before do
subject.project.add_developer(subject.author)
allow(subject).to receive(:commits).and_return([commit0, commit1, commit2])
end
it 'accesses the set of issues that will be closed on acceptance' do
allow(subject.project).to receive(:default_branch)
.and_return(subject.target_branch)
closed = subject.closes_issues
expect(closed).to include(issue0, issue1)
end
it 'only lists issues as to be closed if it targets the default branch' do
allow(subject.project).to receive(:default_branch).and_return('master')
subject.target_branch = 'something-else'
expect(subject.closes_issues).to be_empty
end
end
describe '#issues_mentioned_but_not_closing' do
let(:closing_issue) { create :issue, project: subject.project }
let(:mentioned_issue) { create :issue, project: subject.project }
let(:commit) { double('commit', safe_message: "Fixes #{closing_issue.to_reference}") }
it 'detects issues mentioned in description but not closed' do
subject.project.add_developer(subject.author)
subject.description = "Is related to #{mentioned_issue.to_reference} and #{closing_issue.to_reference}"
allow(subject).to receive(:commits).and_return([commit])
allow(subject.project).to receive(:default_branch)
.and_return(subject.target_branch)
expect(subject.issues_mentioned_but_not_closing(subject.author)).to match_array([mentioned_issue])
end
context 'when the project has an external issue tracker' do
before do
subject.project.add_developer(subject.author)
commit = double(:commit, safe_message: 'Fixes TEST-3')
create(:jira_service, project: subject.project)
allow(subject).to receive(:commits).and_return([commit])
allow(subject).to receive(:description).and_return('Is related to TEST-2 and TEST-3')
allow(subject.project).to receive(:default_branch).and_return(subject.target_branch)
end
it 'detects issues mentioned in description but not closed' do
expect(subject.issues_mentioned_but_not_closing(subject.author).map(&:to_s)).to match_array(['TEST-2'])
end
end
end
describe "#work_in_progress?" do
['WIP ', 'WIP:', 'WIP: ', '[WIP]', '[WIP] ', ' [WIP] WIP [WIP] WIP: WIP '].each do |wip_prefix|
it "detects the '#{wip_prefix}' prefix" do
subject.title = "#{wip_prefix}#{subject.title}"
expect(subject.work_in_progress?).to eq true
end
end
it "doesn't detect WIP for words starting with WIP" do
subject.title = "Wipwap #{subject.title}"
expect(subject.work_in_progress?).to eq false
end
it "doesn't detect WIP for words containing with WIP" do
subject.title = "WupWipwap #{subject.title}"
expect(subject.work_in_progress?).to eq false
end
it "doesn't detect WIP by default" do
expect(subject.work_in_progress?).to eq false
end
end
describe "#wipless_title" do
['WIP ', 'WIP:', 'WIP: ', '[WIP]', '[WIP] ', ' [WIP] WIP [WIP] WIP: WIP '].each do |wip_prefix|
it "removes the '#{wip_prefix}' prefix" do
wipless_title = subject.title
subject.title = "#{wip_prefix}#{subject.title}"
expect(subject.wipless_title).to eq wipless_title
end
it "is satisfies the #work_in_progress? method" do
subject.title = "#{wip_prefix}#{subject.title}"
subject.title = subject.wipless_title
expect(subject.work_in_progress?).to eq false
end
end
end
describe "#wip_title" do
it "adds the WIP: prefix to the title" do
wip_title = "WIP: #{subject.title}"
expect(subject.wip_title).to eq wip_title
end
it "does not add the WIP: prefix multiple times" do
wip_title = "WIP: #{subject.title}"
subject.title = subject.wip_title
subject.title = subject.wip_title
expect(subject.wip_title).to eq wip_title
end
it "is satisfies the #work_in_progress? method" do
subject.title = subject.wip_title
expect(subject.work_in_progress?).to eq true
end
end
describe '#can_remove_source_branch?' do
set(:user) { create(:user) }
set(:merge_request) { create(:merge_request, :simple) }
subject { merge_request }
before do
subject.source_project.add_maintainer(user)
end
it "can't be removed when its a protected branch" do
allow(ProtectedBranch).to receive(:protected?).and_return(true)
expect(subject.can_remove_source_branch?(user)).to be_falsey
end
it "can't remove a root ref" do
subject.update(source_branch: 'master', target_branch: 'feature')
expect(subject.can_remove_source_branch?(user)).to be_falsey
end
it "is unable to remove the source branch for a project the user cannot push to" do
user2 = create(:user)
expect(subject.can_remove_source_branch?(user2)).to be_falsey
end
it "can be removed if the last commit is the head of the source branch" do
allow(subject).to receive(:source_branch_head).and_return(subject.diff_head_commit)
expect(subject.can_remove_source_branch?(user)).to be_truthy
end
it "cannot be removed if the last commit is not also the head of the source branch" do
subject.clear_memoized_shas
subject.source_branch = "lfs"
expect(subject.can_remove_source_branch?(user)).to be_falsey
end
end
describe '#merge_commit_message' do
it 'includes merge information as the title' do
request = build(:merge_request, source_branch: 'source', target_branch: 'target')
expect(request.merge_commit_message)
.to match("Merge branch 'source' into 'target'\n\n")
end
it 'includes its title in the body' do
request = build(:merge_request, title: 'Remove all technical debt')
expect(request.merge_commit_message)
.to match("Remove all technical debt\n\n")
end
it 'includes its closed issues in the body' do
issue = create(:issue, project: subject.project)
subject.project.add_developer(subject.author)
subject.description = "This issue Closes #{issue.to_reference}"
allow(subject.project).to receive(:default_branch)
.and_return(subject.target_branch)
expect(subject.merge_commit_message)
.to match("Closes #{issue.to_reference}")
end
it 'includes its reference in the body' do
request = build_stubbed(:merge_request)
expect(request.merge_commit_message)
.to match("See merge request #{request.to_reference(full: true)}")
end
it 'excludes multiple linebreak runs when description is blank' do
request = build(:merge_request, title: 'Title', description: nil)
expect(request.merge_commit_message).not_to match("Title\n\n\n\n")
end
it 'includes its description in the body' do
request = build(:merge_request, description: 'By removing all code')
expect(request.merge_commit_message(include_description: true))
.to match("By removing all code\n\n")
end
it 'does not includes its description in the body' do
request = build(:merge_request, description: 'By removing all code')
expect(request.merge_commit_message)
.not_to match("By removing all code\n\n")
end
end
describe "#reset_merge_when_pipeline_succeeds" do
let(:merge_if_green) do
create :merge_request, merge_when_pipeline_succeeds: true, merge_user: create(:user),
merge_params: { "should_remove_source_branch" => "1", "commit_message" => "msg" }
end
it "sets the item to false" do
merge_if_green.reset_merge_when_pipeline_succeeds
merge_if_green.reload
expect(merge_if_green.merge_when_pipeline_succeeds).to be_falsey
expect(merge_if_green.merge_params["should_remove_source_branch"]).to be_nil
expect(merge_if_green.merge_params["commit_message"]).to be_nil
end
end
describe '#hook_attrs' do
it 'delegates to Gitlab::HookData::MergeRequestBuilder#build' do
builder = double
expect(Gitlab::HookData::MergeRequestBuilder)
.to receive(:new).with(subject).and_return(builder)
expect(builder).to receive(:build)
subject.hook_attrs
end
end
describe '#diverged_commits_count' do
let(:project) { create(:project, :repository) }
let(:forked_project) { fork_project(project, nil, repository: true) }
context 'when the target branch does not exist anymore' do
subject { create(:merge_request, source_project: project, target_project: project) }
before do
project.repository.raw_repository.delete_branch(subject.target_branch)
subject.clear_memoized_shas
end
it 'does not crash' do
expect { subject.diverged_commits_count }.not_to raise_error
end
it 'returns 0' do
expect(subject.diverged_commits_count).to eq(0)
end
end
context 'diverged on same repository' do
subject(:merge_request_with_divergence) { create(:merge_request, :diverged, source_project: project, target_project: project) }
it 'counts commits that are on target branch but not on source branch' do
expect(subject.diverged_commits_count).to eq(29)
end
end
context 'diverged on fork' do
subject(:merge_request_fork_with_divergence) { create(:merge_request, :diverged, source_project: forked_project, target_project: project) }
it 'counts commits that are on target branch but not on source branch' do
expect(subject.diverged_commits_count).to eq(29)
end
end
context 'rebased on fork' do
subject(:merge_request_rebased) { create(:merge_request, :rebased, source_project: forked_project, target_project: project) }
it 'counts commits that are on target branch but not on source branch' do
expect(subject.diverged_commits_count).to eq(0)
end
end
describe 'caching' do
before do
allow(Rails).to receive(:cache).and_return(ActiveSupport::Cache::MemoryStore.new)
end
it 'caches the output' do
expect(subject).to receive(:compute_diverged_commits_count)
.once
.and_return(2)
subject.diverged_commits_count
subject.diverged_commits_count
end
it 'invalidates the cache when the source sha changes' do
expect(subject).to receive(:compute_diverged_commits_count)
.twice
.and_return(2)
subject.diverged_commits_count
allow(subject).to receive(:source_branch_sha).and_return('123abc')
subject.diverged_commits_count
end
it 'invalidates the cache when the target sha changes' do
expect(subject).to receive(:compute_diverged_commits_count)
.twice
.and_return(2)
subject.diverged_commits_count
allow(subject).to receive(:target_branch_sha).and_return('123abc')
subject.diverged_commits_count
end
end
end
it_behaves_like 'an editable mentionable' do
subject { create(:merge_request, :simple) }
let(:backref_text) { "merge request #{subject.to_reference}" }
let(:set_mentionable_text) { ->(txt) { subject.description = txt } }
end
it_behaves_like 'a Taskable' do
subject { create :merge_request, :simple }
end
describe '#commit_shas' do
before do
allow(subject.merge_request_diff).to receive(:commit_shas)
.and_return(['sha1'])
end
it 'delegates to merge request diff' do
expect(subject.commit_shas).to eq ['sha1']
end
end
context 'head pipeline' do
before do
allow(subject).to receive(:diff_head_sha).and_return('lastsha')
end
describe '#head_pipeline' do
it 'returns nil for MR without head_pipeline_id' do
subject.update_attribute(:head_pipeline_id, nil)
expect(subject.head_pipeline).to be_nil
end
context 'when the source project does not exist' do
it 'returns nil' do
allow(subject).to receive(:source_project).and_return(nil)
expect(subject.head_pipeline).to be_nil
end
end
end
describe '#actual_head_pipeline' do
it 'returns nil for MR with old pipeline' do
pipeline = create(:ci_empty_pipeline, sha: 'notlatestsha')
subject.update_attribute(:head_pipeline_id, pipeline.id)
expect(subject.actual_head_pipeline).to be_nil
end
it 'returns the pipeline for MR with recent pipeline' do
pipeline = create(:ci_empty_pipeline, sha: 'lastsha')
subject.update_attribute(:head_pipeline_id, pipeline.id)
expect(subject.actual_head_pipeline).to eq(subject.head_pipeline)
expect(subject.actual_head_pipeline).to eq(pipeline)
end
it 'returns nil when source project does not exist' do
allow(subject).to receive(:source_project).and_return(nil)
expect(subject.actual_head_pipeline).to be_nil
end
end
end
describe '#has_ci?' do
let(:merge_request) { build_stubbed(:merge_request) }
context 'has ci' do
it 'returns true if MR has head_pipeline_id and commits' do
allow(merge_request).to receive_message_chain(:source_project, :ci_service) { nil }
allow(merge_request).to receive(:head_pipeline_id) { double }
allow(merge_request).to receive(:has_no_commits?) { false }
expect(merge_request.has_ci?).to be(true)
end
it 'returns true if MR has any pipeline and commits' do
allow(merge_request).to receive_message_chain(:source_project, :ci_service) { nil }
allow(merge_request).to receive(:head_pipeline_id) { nil }
allow(merge_request).to receive(:has_no_commits?) { false }
allow(merge_request).to receive(:all_pipelines) { [double] }
expect(merge_request.has_ci?).to be(true)
end
it 'returns true if MR has CI service and commits' do
allow(merge_request).to receive_message_chain(:source_project, :ci_service) { double }
allow(merge_request).to receive(:head_pipeline_id) { nil }
allow(merge_request).to receive(:has_no_commits?) { false }
allow(merge_request).to receive(:all_pipelines) { [] }
expect(merge_request.has_ci?).to be(true)
end
end
context 'has no ci' do
it 'returns false if MR has no CI service nor pipeline, and no commits' do
allow(merge_request).to receive_message_chain(:source_project, :ci_service) { nil }
allow(merge_request).to receive(:head_pipeline_id) { nil }
allow(merge_request).to receive(:all_pipelines) { [] }
allow(merge_request).to receive(:has_no_commits?) { true }
expect(merge_request.has_ci?).to be(false)
end
end
end
describe '#all_pipelines' do
shared_examples 'returning pipelines with proper ordering' do
let!(:all_pipelines) do
subject.all_commit_shas.map do |sha|
create(:ci_empty_pipeline,
project: subject.source_project,
sha: sha,
ref: subject.source_branch)
end
end
it 'returns all pipelines' do
expect(subject.all_pipelines).not_to be_empty
expect(subject.all_pipelines).to eq(all_pipelines.reverse)
end
end
context 'with single merge_request_diffs' do
it_behaves_like 'returning pipelines with proper ordering'
end
context 'with multiple irrelevant merge_request_diffs' do
before do
subject.update(target_branch: 'v1.0.0')
end
it_behaves_like 'returning pipelines with proper ordering'
end
context 'with unsaved merge request' do
subject { build(:merge_request) }
let!(:pipeline) do
create(:ci_empty_pipeline,
project: subject.project,
sha: subject.diff_head_sha,
ref: subject.source_branch)
end
it 'returns pipelines from diff_head_sha' do
expect(subject.all_pipelines).to contain_exactly(pipeline)
end
end
end
describe '#all_commit_shas' do
context 'when merge request is persisted' do
let(:all_commit_shas) do
subject.merge_request_diffs.flat_map(&:commits).map(&:sha).uniq
end
shared_examples 'returning all SHA' do
it 'returns all SHAs from all merge_request_diffs' do
expect(subject.merge_request_diffs.size).to eq(2)
expect(subject.all_commit_shas).to match_array(all_commit_shas)
end
end
context 'with a completely different branch' do
before do
subject.update(target_branch: 'csv')
end
it_behaves_like 'returning all SHA'
end
context 'with a branch having no difference' do
before do
subject.update(target_branch: 'branch-merged')
subject.reload # make sure commits were not cached
end
it_behaves_like 'returning all SHA'
end
end
context 'when merge request is not persisted' do
context 'when compare commits are set in the service' do
let(:commit) { spy('commit') }
subject do
build(:merge_request, compare_commits: [commit, commit])
end
it 'returns commits from compare commits temporary data' do
expect(subject.all_commit_shas).to eq [commit, commit]
end
end
context 'when compare commits are not set in the service' do
subject { build(:merge_request) }
it 'returns array with diff head sha element only' do
expect(subject.all_commit_shas).to eq [subject.diff_head_sha]
end
end
end
end
describe '#short_merge_commit_sha' do
let(:merge_request) { build_stubbed(:merge_request) }
it 'returns short id when there is a merge_commit_sha' do
merge_request.merge_commit_sha = 'f7ce827c314c9340b075657fd61c789fb01cf74d'
expect(merge_request.short_merge_commit_sha).to eq('f7ce827c')
end
it 'returns nil when there is no merge_commit_sha' do
merge_request.merge_commit_sha = nil
expect(merge_request.short_merge_commit_sha).to be_nil
end
end
describe '#can_be_reverted?' do
context 'when there is no merge_commit for the MR' do
before do
subject.metrics.update!(merged_at: Time.now.utc)
end
it 'returns false' do
expect(subject.can_be_reverted?(nil)).to be_falsey
end
end
context 'when the MR has been merged' do
before do
MergeRequests::MergeService
.new(subject.target_project, subject.author)
.execute(subject)
end
context 'when there is no revert commit' do
it 'returns true' do
expect(subject.can_be_reverted?(nil)).to be_truthy
end
end
context 'when there is no merged_at for the MR' do
before do
subject.metrics.update!(merged_at: nil)
end
it 'returns true' do
expect(subject.can_be_reverted?(nil)).to be_truthy
end
end
context 'when there is a revert commit' do
let(:current_user) { subject.author }
let(:branch) { subject.target_branch }
let(:project) { subject.target_project }
let(:revert_commit_id) do
params = {
commit: subject.merge_commit,
branch_name: branch,
start_branch: branch
}
Commits::RevertService.new(project, current_user, params).execute[:result]
end
before do
project.add_maintainer(current_user)
ProcessCommitWorker.new.perform(project.id,
current_user.id,
project.commit(revert_commit_id).to_hash,
project.default_branch == branch)
end
context 'when the revert commit is mentioned in a note after the MR was merged' do
it 'returns false' do
expect(subject.can_be_reverted?(current_user)).to be_falsey
end
end
context 'when there is no merged_at for the MR' do
before do
subject.metrics.update!(merged_at: nil)
end
it 'returns false' do
expect(subject.can_be_reverted?(current_user)).to be_falsey
end
end
context 'when the revert commit is mentioned in a note just before the MR was merged' do
before do
subject.notes.last.update!(created_at: subject.metrics.merged_at - 30.seconds)
end
it 'returns false' do
expect(subject.can_be_reverted?(current_user)).to be_falsey
end
end
context 'when the revert commit is mentioned in a note long before the MR was merged' do
before do
subject.notes.last.update!(created_at: subject.metrics.merged_at - 2.minutes)
end
it 'returns true' do
expect(subject.can_be_reverted?(current_user)).to be_truthy
end
end
end
end
end
describe '#participants' do
let(:project) { create(:project, :public) }
let(:mr) do
create(:merge_request, source_project: project, target_project: project)
end
let!(:note1) do
create(:note_on_merge_request, noteable: mr, project: project, note: 'a')
end
let!(:note2) do
create(:note_on_merge_request, noteable: mr, project: project, note: 'b')
end
it 'includes the merge request author' do
expect(mr.participants).to include(mr.author)
end
it 'includes the authors of the notes' do
expect(mr.participants).to include(note1.author, note2.author)
end
end
describe 'cached counts' do
it 'updates when assignees change' do
user1 = create(:user)
user2 = create(:user)
mr = create(:merge_request, assignee: user1)
mr.project.add_developer(user1)
mr.project.add_developer(user2)
expect(user1.assigned_open_merge_requests_count).to eq(1)
expect(user2.assigned_open_merge_requests_count).to eq(0)
mr.assignee = user2
mr.save
expect(user1.assigned_open_merge_requests_count).to eq(0)
expect(user2.assigned_open_merge_requests_count).to eq(1)
end
end
describe '#merge_async' do
it 'enqueues MergeWorker job and updates merge_jid' do
merge_request = create(:merge_request)
user_id = double(:user_id)
params = {}
merge_jid = 'hash-123'
expect(MergeWorker).to receive(:perform_async).with(merge_request.id, user_id, params) do
merge_jid
end
merge_request.merge_async(user_id, params)
expect(merge_request.reload.merge_jid).to eq(merge_jid)
end
end
describe '#check_if_can_be_merged' do
let(:project) { create(:project, only_allow_merge_if_pipeline_succeeds: true) }
shared_examples 'checking if can be merged' do
context 'when it is not broken and has no conflicts' do
before do
allow(subject).to receive(:broken?) { false }
allow(project.repository).to receive(:can_be_merged?).and_return(true)
end
it 'is marked as mergeable' do
expect { subject.check_if_can_be_merged }.to change { subject.merge_status }.to('can_be_merged')
end
end
context 'when broken' do
before do
allow(subject).to receive(:broken?) { true }
allow(project.repository).to receive(:can_be_merged?).and_return(false)
end
it 'becomes unmergeable' do
expect { subject.check_if_can_be_merged }.to change { subject.merge_status }.to('cannot_be_merged')
end
end
context 'when it has conflicts' do
before do
allow(subject).to receive(:broken?) { false }
allow(project.repository).to receive(:can_be_merged?).and_return(false)
end
it 'becomes unmergeable' do
expect { subject.check_if_can_be_merged }.to change { subject.merge_status }.to('cannot_be_merged')
end
end
end
context 'when merge_status is unchecked' do
subject { create(:merge_request, source_project: project, merge_status: :unchecked) }
it_behaves_like 'checking if can be merged'
end
context 'when merge_status is unchecked' do
subject { create(:merge_request, source_project: project, merge_status: :cannot_be_merged_recheck) }
it_behaves_like 'checking if can be merged'
end
end
describe '#mergeable?' do
let(:project) { create(:project) }
subject { create(:merge_request, source_project: project) }
it 'returns false if #mergeable_state? is false' do
expect(subject).to receive(:mergeable_state?) { false }
expect(subject.mergeable?).to be_falsey
end
it 'return true if #mergeable_state? is true and the MR #can_be_merged? is true' do
allow(subject).to receive(:mergeable_state?) { true }
expect(subject).to receive(:check_if_can_be_merged)
expect(subject).to receive(:can_be_merged?) { true }
expect(subject.mergeable?).to be_truthy
end
end
describe '#mergeable_state?' do
let(:project) { create(:project, :repository) }
subject { create(:merge_request, source_project: project) }
it 'checks if merge request can be merged' do
allow(subject).to receive(:mergeable_ci_state?) { true }
expect(subject).to receive(:check_if_can_be_merged)
subject.mergeable?
end
context 'when not open' do
before do
subject.close
end
it 'returns false' do
expect(subject.mergeable_state?).to be_falsey
end
end
context 'when working in progress' do
before do
subject.title = 'WIP MR'
end
it 'returns false' do
expect(subject.mergeable_state?).to be_falsey
end
end
context 'when broken' do
before do
allow(subject).to receive(:broken?) { true }
end
it 'returns false' do
expect(subject.mergeable_state?).to be_falsey
end
end
context 'when failed' do
context 'when #mergeable_ci_state? is false' do
before do
allow(subject).to receive(:mergeable_ci_state?) { false }
end
it 'returns false' do
expect(subject.mergeable_state?).to be_falsey
end
end
context 'when #mergeable_discussions_state? is false' do
before do
allow(subject).to receive(:mergeable_discussions_state?) { false }
end
it 'returns false' do
expect(subject.mergeable_state?).to be_falsey
end
it 'returns true when skipping discussions check' do
expect(subject.mergeable_state?(skip_discussions_check: true)).to be(true)
end
end
end
end
describe '#mergeable_ci_state?' do
let(:project) { create(:project, only_allow_merge_if_pipeline_succeeds: true) }
let(:pipeline) { create(:ci_empty_pipeline) }
subject { build(:merge_request, target_project: project) }
context 'when it is only allowed to merge when build is green' do
context 'and a failed pipeline is associated' do
before do
pipeline.update(status: 'failed', sha: subject.diff_head_sha)
allow(subject).to receive(:head_pipeline) { pipeline }
end
it { expect(subject.mergeable_ci_state?).to be_falsey }
end
context 'and a successful pipeline is associated' do
before do
pipeline.update(status: 'success', sha: subject.diff_head_sha)
allow(subject).to receive(:head_pipeline) { pipeline }
end
it { expect(subject.mergeable_ci_state?).to be_truthy }
end
context 'and a skipped pipeline is associated' do
before do
pipeline.update(status: 'skipped', sha: subject.diff_head_sha)
allow(subject).to receive(:head_pipeline) { pipeline }
end
it { expect(subject.mergeable_ci_state?).to be_truthy }
end
context 'when no pipeline is associated' do
before do
allow(subject).to receive(:head_pipeline) { nil }
end
it { expect(subject.mergeable_ci_state?).to be_truthy }
end
end
context 'when merges are not restricted to green builds' do
subject { build(:merge_request, target_project: build(:project, only_allow_merge_if_pipeline_succeeds: false)) }
context 'and a failed pipeline is associated' do
before do
pipeline.statuses << create(:commit_status, status: 'failed', project: project)
allow(subject).to receive(:head_pipeline) { pipeline }
end
it { expect(subject.mergeable_ci_state?).to be_truthy }
end
context 'when no pipeline is associated' do
before do
allow(subject).to receive(:head_pipeline) { nil }
end
it { expect(subject.mergeable_ci_state?).to be_truthy }
end
end
end
describe '#mergeable_discussions_state?' do
let(:merge_request) { create(:merge_request_with_diff_notes, source_project: project) }
context 'when project.only_allow_merge_if_all_discussions_are_resolved == true' do
let(:project) { create(:project, :repository, only_allow_merge_if_all_discussions_are_resolved: true) }
context 'with all discussions resolved' do
before do
merge_request.discussions.each { |d| d.resolve!(merge_request.author) }
end
it 'returns true' do
expect(merge_request.mergeable_discussions_state?).to be_truthy
end
end
context 'with unresolved discussions' do
before do
merge_request.discussions.each(&:unresolve!)
end
it 'returns false' do
expect(merge_request.mergeable_discussions_state?).to be_falsey
end
end
context 'with no discussions' do
before do
merge_request.notes.destroy_all
end
it 'returns true' do
expect(merge_request.mergeable_discussions_state?).to be_truthy
end
end
end
context 'when project.only_allow_merge_if_all_discussions_are_resolved == false' do
let(:project) { create(:project, :repository, only_allow_merge_if_all_discussions_are_resolved: false) }
context 'with unresolved discussions' do
before do
merge_request.discussions.each(&:unresolve!)
end
it 'returns true' do
expect(merge_request.mergeable_discussions_state?).to be_truthy
end
end
end
end
describe "#environments_for" do
let(:project) { create(:project, :repository) }
let(:user) { project.creator }
let(:merge_request) { create(:merge_request, source_project: project) }
before do
merge_request.source_project.add_maintainer(user)
merge_request.target_project.add_maintainer(user)
end
context 'with multiple environments' do
let(:environments) { create_list(:environment, 3, project: project) }
before do
create(:deployment, environment: environments.first, ref: 'master', sha: project.commit('master').id)
create(:deployment, environment: environments.second, ref: 'feature', sha: project.commit('feature').id)
end
it 'selects deployed environments' do
expect(merge_request.environments_for(user)).to contain_exactly(environments.first)
end
end
context 'with environments on source project' do
let(:source_project) { fork_project(project, nil, repository: true) }
let(:merge_request) do
create(:merge_request,
source_project: source_project, source_branch: 'feature',
target_project: project)
end
let(:source_environment) { create(:environment, project: source_project) }
before do
create(:deployment, environment: source_environment, ref: 'feature', sha: merge_request.diff_head_sha)
end
it 'selects deployed environments' do
expect(merge_request.environments_for(user)).to contain_exactly(source_environment)
end
context 'with environments on target project' do
let(:target_environment) { create(:environment, project: project) }
before do
create(:deployment, environment: target_environment, tag: true, sha: merge_request.diff_head_sha)
end
it 'selects deployed environments' do
expect(merge_request.environments_for(user)).to contain_exactly(source_environment, target_environment)
end
end
end
context 'without a diff_head_commit' do
before do
expect(merge_request).to receive(:diff_head_commit).and_return(nil)
end
it 'returns an empty array' do
expect(merge_request.environments_for(user)).to be_empty
end
end
end
describe "#reload_diff" do
it 'calls MergeRequests::ReloadDiffsService#execute with correct params' do
user = create(:user)
service = instance_double(MergeRequests::ReloadDiffsService, execute: nil)
expect(MergeRequests::ReloadDiffsService)
.to receive(:new).with(subject, user)
.and_return(service)
subject.reload_diff(user)
expect(service).to have_received(:execute)
end
context 'when using the after_update hook to update' do
context 'when the branches are updated' do
it 'uses the new heads to generate the diff' do
expect { subject.update!(source_branch: subject.target_branch, target_branch: subject.source_branch) }
.to change { subject.merge_request_diff.start_commit_sha }
.and change { subject.merge_request_diff.head_commit_sha }
end
end
end
end
describe '#update_diff_discussion_positions' do
let(:discussion) { create(:diff_note_on_merge_request, project: subject.project, noteable: subject).to_discussion }
let(:commit) { subject.project.commit(sample_commit.id) }
let(:old_diff_refs) { subject.diff_refs }
before do
# Update merge_request_diff so that #diff_refs will return commit.diff_refs
allow(subject).to receive(:create_merge_request_diff) do
subject.merge_request_diffs.create(
base_commit_sha: commit.parent_id,
start_commit_sha: commit.parent_id,
head_commit_sha: commit.sha
)
subject.merge_request_diff(true)
end
end
it "updates diff discussion positions" do
expect(Discussions::UpdateDiffPositionService).to receive(:new).with(
subject.project,
subject.author,
old_diff_refs: old_diff_refs,
new_diff_refs: commit.diff_refs,
paths: discussion.position.paths
).and_call_original
expect_any_instance_of(Discussions::UpdateDiffPositionService).to receive(:execute).with(discussion).and_call_original
expect_any_instance_of(DiffNote).to receive(:save).once
subject.update_diff_discussion_positions(old_diff_refs: old_diff_refs,
new_diff_refs: commit.diff_refs,
current_user: subject.author)
end
context 'when resolve_outdated_diff_discussions is set' do
before do
discussion
subject.project.update!(resolve_outdated_diff_discussions: true)
end
it 'calls MergeRequests::ResolvedDiscussionNotificationService' do
expect_any_instance_of(MergeRequests::ResolvedDiscussionNotificationService)
.to receive(:execute).with(subject)
subject.update_diff_discussion_positions(old_diff_refs: old_diff_refs,
new_diff_refs: commit.diff_refs,
current_user: subject.author)
end
end
end
describe '#branch_merge_base_commit' do
context 'source and target branch exist' do
it { expect(subject.branch_merge_base_commit.sha).to eq('ae73cb07c9eeaf35924a10f713b364d32b2dd34f') }
it { expect(subject.branch_merge_base_commit).to be_a(Commit) }
end
context 'when the target branch does not exist' do
before do
subject.project.repository.rm_branch(subject.author, subject.target_branch)
subject.clear_memoized_shas
end
it 'returns nil' do
expect(subject.branch_merge_base_commit).to be_nil
end
end
end
describe "#diff_refs" do
context "with diffs" do
subject { create(:merge_request, :with_diffs) }
it "does not touch the repository" do
subject # Instantiate the object
expect_any_instance_of(Repository).not_to receive(:commit)
subject.diff_refs
end
it "returns expected diff_refs" do
expected_diff_refs = Gitlab::Diff::DiffRefs.new(
base_sha: subject.merge_request_diff.base_commit_sha,
start_sha: subject.merge_request_diff.start_commit_sha,
head_sha: subject.merge_request_diff.head_commit_sha
)
expect(subject.diff_refs).to eq(expected_diff_refs)
end
end
end
describe "#source_project_missing?" do
let(:project) { create(:project) }
let(:forked_project) { fork_project(project) }
let(:user) { create(:user) }
let(:unlink_project) { Projects::UnlinkForkService.new(forked_project, user) }
context "when the fork exists" do
let(:merge_request) do
create(:merge_request,
source_project: forked_project,
target_project: project)
end
it { expect(merge_request.source_project_missing?).to be_falsey }
end
context "when the source project is the same as the target project" do
let(:merge_request) { create(:merge_request, source_project: project) }
it { expect(merge_request.source_project_missing?).to be_falsey }
end
context "when the fork does not exist" do
let!(:merge_request) do
create(:merge_request,
source_project: forked_project,
target_project: project)
end
it "returns true" do
unlink_project.execute
merge_request.reload
expect(merge_request.source_project_missing?).to be_truthy
end
end
end
describe '#merge_ongoing?' do
it 'returns true when the merge request is locked' do
merge_request = build_stubbed(:merge_request, state: :locked)
expect(merge_request.merge_ongoing?).to be(true)
end
it 'returns true when merge_id, MR is not merged and it has no running job' do
merge_request = build_stubbed(:merge_request, state: :open, merge_jid: 'foo')
allow(Gitlab::SidekiqStatus).to receive(:running?).with('foo') { true }
expect(merge_request.merge_ongoing?).to be(true)
end
it 'returns false when merge_jid is nil' do
merge_request = build_stubbed(:merge_request, state: :open, merge_jid: nil)
expect(merge_request.merge_ongoing?).to be(false)
end
it 'returns false if MR is merged' do
merge_request = build_stubbed(:merge_request, state: :merged, merge_jid: 'foo')
expect(merge_request.merge_ongoing?).to be(false)
end
it 'returns false if there is no merge job running' do
merge_request = build_stubbed(:merge_request, state: :open, merge_jid: 'foo')
allow(Gitlab::SidekiqStatus).to receive(:running?).with('foo') { false }
expect(merge_request.merge_ongoing?).to be(false)
end
end
describe "#closed_without_fork?" do
let(:project) { create(:project) }
let(:forked_project) { fork_project(project) }
let(:user) { create(:user) }
let(:unlink_project) { Projects::UnlinkForkService.new(forked_project, user) }
context "when the merge request is closed" do
let(:closed_merge_request) do
create(:closed_merge_request,
source_project: forked_project,
target_project: project)
end
it "returns false if the fork exist" do
expect(closed_merge_request.closed_without_fork?).to be_falsey
end
it "returns true if the fork does not exist" do
unlink_project.execute
closed_merge_request.reload
expect(closed_merge_request.closed_without_fork?).to be_truthy
end
end
context "when the merge request is open" do
let(:open_merge_request) do
create(:merge_request,
source_project: forked_project,
target_project: project)
end
it "returns false" do
expect(open_merge_request.closed_without_fork?).to be_falsey
end
end
end
describe '#reopenable?' do
context 'when the merge request is closed' do
it 'returns true' do
subject.close
expect(subject.reopenable?).to be_truthy
end
context 'forked project' do
let(:project) { create(:project, :public) }
let(:user) { create(:user) }
let(:forked_project) { fork_project(project, user) }
let!(:merge_request) do
create(:closed_merge_request,
source_project: forked_project,
target_project: project)
end
it 'returns false if unforked' do
Projects::UnlinkForkService.new(forked_project, user).execute
expect(merge_request.reload.reopenable?).to be_falsey
end
it 'returns false if the source project is deleted' do
Projects::DestroyService.new(forked_project, user).execute
expect(merge_request.reload.reopenable?).to be_falsey
end
it 'returns false if the merge request is merged' do
merge_request.update(state: 'merged')
expect(merge_request.reload.reopenable?).to be_falsey
end
end
end
context 'when the merge request is opened' do
it 'returns false' do
expect(subject.reopenable?).to be_falsey
end
end
end
describe '#mergeable_with_quick_action?' do
def create_pipeline(status)
pipeline = create(:ci_pipeline_with_one_job,
project: project,
ref: merge_request.source_branch,
sha: merge_request.diff_head_sha,
status: status,
head_pipeline_of: merge_request)
pipeline
end
let(:project) { create(:project, :public, :repository, only_allow_merge_if_pipeline_succeeds: true) }
let(:developer) { create(:user) }
let(:user) { create(:user) }
let(:merge_request) { create(:merge_request, source_project: project) }
let(:mr_sha) { merge_request.diff_head_sha }
before do
project.add_developer(developer)
end
context 'when autocomplete_precheck is set to true' do
it 'is mergeable by developer' do
expect(merge_request.mergeable_with_quick_action?(developer, autocomplete_precheck: true)).to be_truthy
end
it 'is not mergeable by normal user' do
expect(merge_request.mergeable_with_quick_action?(user, autocomplete_precheck: true)).to be_falsey
end
end
context 'when autocomplete_precheck is set to false' do
it 'is mergeable by developer' do
expect(merge_request.mergeable_with_quick_action?(developer, last_diff_sha: mr_sha)).to be_truthy
end
it 'is not mergeable by normal user' do
expect(merge_request.mergeable_with_quick_action?(user, last_diff_sha: mr_sha)).to be_falsey
end
context 'closed MR' do
before do
merge_request.update_attribute(:state, :closed)
end
it 'is not mergeable' do
expect(merge_request.mergeable_with_quick_action?(developer, last_diff_sha: mr_sha)).to be_falsey
end
end
context 'MR with WIP' do
before do
merge_request.update_attribute(:title, 'WIP: some MR')
end
it 'is not mergeable' do
expect(merge_request.mergeable_with_quick_action?(developer, last_diff_sha: mr_sha)).to be_falsey
end
end
context 'sha differs from the MR diff_head_sha' do
it 'is not mergeable' do
expect(merge_request.mergeable_with_quick_action?(developer, last_diff_sha: 'some other sha')).to be_falsey
end
end
context 'sha is not provided' do
it 'is not mergeable' do
expect(merge_request.mergeable_with_quick_action?(developer)).to be_falsey
end
end
context 'with pipeline ok' do
before do
create_pipeline(:success)
end
it 'is mergeable' do
expect(merge_request.mergeable_with_quick_action?(developer, last_diff_sha: mr_sha)).to be_truthy
end
end
context 'with failing pipeline' do
before do
create_pipeline(:failed)
end
it 'is not mergeable' do
expect(merge_request.mergeable_with_quick_action?(developer, last_diff_sha: mr_sha)).to be_falsey
end
end
context 'with running pipeline' do
before do
create_pipeline(:running)
end
it 'is mergeable' do
expect(merge_request.mergeable_with_quick_action?(developer, last_diff_sha: mr_sha)).to be_truthy
end
end
end
end
describe '#has_commits?' do
before do
allow(subject.merge_request_diff).to receive(:commits_count)
.and_return(2)
end
it 'returns true when merge request diff has commits' do
expect(subject.has_commits?).to be_truthy
end
end
describe '#has_no_commits?' do
before do
allow(subject.merge_request_diff).to receive(:commits_count)
.and_return(0)
end
it 'returns true when merge request diff has 0 commits' do
expect(subject.has_no_commits?).to be_truthy
end
end
describe '#merge_request_diff_for' do
subject { create(:merge_request, importing: true) }
let!(:merge_request_diff1) { subject.merge_request_diffs.create(head_commit_sha: '6f6d7e7ed97bb5f0054f2b1df789b39ca89b6ff9') }
let!(:merge_request_diff2) { subject.merge_request_diffs.create(head_commit_sha: nil) }
let!(:merge_request_diff3) { subject.merge_request_diffs.create(head_commit_sha: '5937ac0a7beb003549fc5fd26fc247adbce4a52e') }
context 'with diff refs' do
it 'returns the diffs' do
expect(subject.merge_request_diff_for(merge_request_diff1.diff_refs)).to eq(merge_request_diff1)
end
end
context 'with a commit SHA' do
it 'returns the diffs' do
expect(subject.merge_request_diff_for(merge_request_diff3.head_commit_sha)).to eq(merge_request_diff3)
end
end
it 'runs a single query on the initial call, and none afterwards' do
expect { subject.merge_request_diff_for(merge_request_diff1.diff_refs) }
.not_to exceed_query_limit(1)
expect { subject.merge_request_diff_for(merge_request_diff2.diff_refs) }
.not_to exceed_query_limit(0)
expect { subject.merge_request_diff_for(merge_request_diff3.head_commit_sha) }
.not_to exceed_query_limit(0)
end
end
describe '#version_params_for' do
subject { create(:merge_request, importing: true) }
let(:project) { subject.project }
let!(:merge_request_diff1) { subject.merge_request_diffs.create(head_commit_sha: '6f6d7e7ed97bb5f0054f2b1df789b39ca89b6ff9') }
let!(:merge_request_diff2) { subject.merge_request_diffs.create(head_commit_sha: nil) }
let!(:merge_request_diff3) { subject.merge_request_diffs.create(head_commit_sha: '5937ac0a7beb003549fc5fd26fc247adbce4a52e') }
context 'when the diff refs are for an older merge request version' do
let(:diff_refs) { merge_request_diff1.diff_refs }
it 'returns the diff ID for the version to show' do
expect(subject.version_params_for(diff_refs)).to eq(diff_id: merge_request_diff1.id)
end
end
context 'when the diff refs are for a comparison between merge request versions' do
let(:diff_refs) { merge_request_diff3.compare_with(merge_request_diff1.head_commit_sha).diff_refs }
it 'returns the diff ID and start sha of the versions to compare' do
expect(subject.version_params_for(diff_refs)).to eq(diff_id: merge_request_diff3.id, start_sha: merge_request_diff1.head_commit_sha)
end
end
context 'when the diff refs are not for a merge request version' do
let(:diff_refs) { project.commit(sample_commit.id).diff_refs }
it 'returns nil' do
expect(subject.version_params_for(diff_refs)).to be_nil
end
end
end
describe '#fetch_ref!' do
it 'fetches the ref correctly' do
expect { subject.target_project.repository.delete_refs(subject.ref_path) }.not_to raise_error
subject.fetch_ref!
expect(subject.target_project.repository.ref_exists?(subject.ref_path)).to be_truthy
end
end
describe 'removing a merge request' do
it 'refreshes the number of open merge requests of the target project' do
project = subject.target_project
expect { subject.destroy }
.to change { project.open_merge_requests_count }.from(1).to(0)
end
end
it_behaves_like 'throttled touch' do
subject { create(:merge_request, updated_at: 1.hour.ago) }
end
context 'state machine transitions' do
describe '#unlock_mr' do
subject { create(:merge_request, state: 'locked', merge_jid: 123) }
it 'updates merge request head pipeline and sets merge_jid to nil' do
pipeline = create(:ci_empty_pipeline, project: subject.project, ref: subject.source_branch, sha: subject.source_branch_sha)
subject.unlock_mr
subject.reload
expect(subject.head_pipeline).to eq(pipeline)
expect(subject.merge_jid).to be_nil
end
end
describe 'transition to cannot_be_merged' do
let(:notification_service) { double(:notification_service) }
let(:todo_service) { double(:todo_service) }
subject { create(:merge_request, state, merge_status: :unchecked) }
before do
allow(NotificationService).to receive(:new).and_return(notification_service)
allow(TodoService).to receive(:new).and_return(todo_service)
allow(subject.project.repository).to receive(:can_be_merged?).and_return(false)
end
[:opened, :locked].each do |state|
context state do
let(:state) { state }
it 'notifies conflict, but does not notify again if rechecking still results in cannot_be_merged' do
expect(notification_service).to receive(:merge_request_unmergeable).with(subject).once
expect(todo_service).to receive(:merge_request_became_unmergeable).with(subject).once
subject.mark_as_unmergeable
subject.mark_as_unchecked
subject.mark_as_unmergeable
end
it 'notifies conflict, whenever newly unmergeable' do
expect(notification_service).to receive(:merge_request_unmergeable).with(subject).twice
expect(todo_service).to receive(:merge_request_became_unmergeable).with(subject).twice
subject.mark_as_unmergeable
subject.mark_as_unchecked
subject.mark_as_mergeable
subject.mark_as_unchecked
subject.mark_as_unmergeable
end
it 'does not notify whenever merge request is newly unmergeable due to other reasons' do
allow(subject.project.repository).to receive(:can_be_merged?).and_return(true)
expect(notification_service).not_to receive(:merge_request_unmergeable)
expect(todo_service).not_to receive(:merge_request_became_unmergeable)
subject.mark_as_unmergeable
end
end
end
[:closed, :merged].each do |state|
let(:state) { state }
context state do
it 'does not notify' do
expect(notification_service).not_to receive(:merge_request_unmergeable)
expect(todo_service).not_to receive(:merge_request_became_unmergeable)
subject.mark_as_unmergeable
end
end
end
context 'source branch is missing' do
subject { create(:merge_request, :invalid, :opened, merge_status: :unchecked, target_branch: 'master') }
before do
allow(subject.project.repository).to receive(:can_be_merged?).and_call_original
end
it 'does not raise error' do
expect(notification_service).not_to receive(:merge_request_unmergeable)
expect(todo_service).not_to receive(:merge_request_became_unmergeable)
expect { subject.mark_as_unmergeable }.not_to raise_error
expect(subject.cannot_be_merged?).to eq(true)
end
end
end
describe 'check_state?' do
it 'indicates whether MR is still checking for mergeability' do
state_machine = described_class.state_machines[:merge_status]
check_states = [:unchecked, :cannot_be_merged_recheck]
check_states.each do |merge_status|
expect(state_machine.check_state?(merge_status)).to be true
end
(state_machine.states.map(&:name) - check_states).each do |merge_status|
expect(state_machine.check_state?(merge_status)).to be false
end
end
end
end
describe '#should_be_rebased?' do
let(:project) { create(:project, :repository) }
it 'returns false for the same source and target branches' do
merge_request = create(:merge_request, source_project: project, target_project: project)
expect(merge_request.should_be_rebased?).to be_falsey
end
end
describe '#rebase_in_progress?' do
shared_examples 'checking whether a rebase is in progress' do
let(:repo_path) do
Gitlab::GitalyClient::StorageSettings.allow_disk_access do
subject.source_project.repository.path
end
end
let(:rebase_path) { File.join(repo_path, "gitlab-worktree", "rebase-#{subject.id}") }
before do
system(*%W(#{Gitlab.config.git.bin_path} -C #{repo_path} worktree add --detach #{rebase_path} master))
end
it 'returns true when there is a current rebase directory' do
expect(subject.rebase_in_progress?).to be_truthy
end
it 'returns false when there is no rebase directory' do
FileUtils.rm_rf(rebase_path)
expect(subject.rebase_in_progress?).to be_falsey
end
it 'returns false when the rebase directory has expired' do
time = 20.minutes.ago.to_time
File.utime(time, time, rebase_path)
expect(subject.rebase_in_progress?).to be_falsey
end
it 'returns false when the source project has been removed' do
allow(subject).to receive(:source_project).and_return(nil)
expect(subject.rebase_in_progress?).to be_falsey
end
end
context 'when Gitaly rebase_in_progress is enabled' do
it_behaves_like 'checking whether a rebase is in progress'
end
context 'when Gitaly rebase_in_progress is enabled', :disable_gitaly do
it_behaves_like 'checking whether a rebase is in progress'
end
end
describe '#allow_collaboration' do
let(:merge_request) do
build(:merge_request, source_branch: 'fixes', allow_collaboration: true)
end
it 'is false when pushing by a maintainer is not possible' do
expect(merge_request).to receive(:collaborative_push_possible?) { false }
expect(merge_request.allow_collaboration).to be_falsy
end
it 'is true when pushing by a maintainer is possible' do
expect(merge_request).to receive(:collaborative_push_possible?) { true }
expect(merge_request.allow_collaboration).to be_truthy
end
end
describe '#collaborative_push_possible?' do
let(:merge_request) do
build(:merge_request, source_branch: 'fixes')
end
before do
allow(ProtectedBranch).to receive(:protected?) { false }
end
it 'does not allow maintainer to push if the source project is the same as the target' do
merge_request.target_project = merge_request.source_project = create(:project, :public)
expect(merge_request.collaborative_push_possible?).to be_falsy
end
it 'allows maintainer to push when both source and target are public' do
merge_request.target_project = build(:project, :public)
merge_request.source_project = build(:project, :public)
expect(merge_request.collaborative_push_possible?).to be_truthy
end
it 'is not available for protected branches' do
merge_request.target_project = build(:project, :public)
merge_request.source_project = build(:project, :public)
expect(ProtectedBranch).to receive(:protected?)
.with(merge_request.source_project, 'fixes')
.and_return(true)
expect(merge_request.collaborative_push_possible?).to be_falsy
end
end
describe '#can_allow_collaboration?' do
let(:target_project) { create(:project, :public) }
let(:source_project) { fork_project(target_project) }
let(:merge_request) do
create(:merge_request,
source_project: source_project,
source_branch: 'fixes',
target_project: target_project)
end
let(:user) { create(:user) }
before do
allow(merge_request).to receive(:collaborative_push_possible?) { true }
end
it 'is false if the user does not have push access to the source project' do
expect(merge_request.can_allow_collaboration?(user)).to be_falsy
end
it 'is true when the user has push access to the source project' do
source_project.add_developer(user)
expect(merge_request.can_allow_collaboration?(user)).to be_truthy
end
end
describe '#merge_participants' do
it 'contains author' do
expect(subject.merge_participants).to eq([subject.author])
end
describe 'when merge_when_pipeline_succeeds? is true' do
describe 'when merge user is author' do
let(:user) { create(:user) }
subject do
create(:merge_request,
merge_when_pipeline_succeeds: true,
merge_user: user,
author: user)
end
it 'contains author only' do
expect(subject.merge_participants).to eq([subject.author])
end
end
describe 'when merge user and author are different users' do
let(:merge_user) { create(:user) }
subject do
create(:merge_request,
merge_when_pipeline_succeeds: true,
merge_user: merge_user)
end
it 'contains author and merge user' do
expect(subject.merge_participants).to eq([subject.author, merge_user])
end
end
end
end
end