gitlab-org--gitlab-foss/spec/models/merge_request_spec.rb
2017-04-07 21:00:40 +01:00

1537 lines
48 KiB
Ruby

require 'spec_helper'
describe MergeRequest, models: true do
include RepoHelpers
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 have_many(:merge_request_diffs).dependent(:destroy) }
end
describe 'modules' do
subject { described_class }
it { is_expected.to include_module(InternalId) }
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) }
end
describe "act_as_paranoid" do
it { is_expected.to have_db_column(:deleted_at) }
it { is_expected.to have_db_index(:deleted_at) }
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
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 '.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 '#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.raw_repository.delete_branch(subject.target_branch)
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 '#cache_merge_request_closes_issues!' do
before do
subject.project.team << [subject.author, :developer]
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
it 'does not cache issues from external trackers' do
subject.project.update_attribute(:has_external_issue_tracker, true)
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
end
describe '#source_branch_sha' do
let(:last_branch_commit) { subject.source_project.repository.commit(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
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(:empty_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(:empty_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.path_with_namespace + '!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' do
merge_request.compare = double(:compare)
expect(merge_request.compare).to receive(:diffs).with(options)
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
before do
merge_request.save
end
it 'returns the correct count' do
expect(merge_request.diff_size).to eq(105)
end
it 'does not perform highlighting' do
expect(Gitlab::Diff::Highlight).not_to receive(:new)
merge_request.diff_size
end
end
context 'when there are no MR diffs' do
before do
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
expect(merge_request.diff_size).to eq(105)
end
it 'does not perform highlighting' do
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 '#is_being_reassigned?' do
it 'returns true if the merge_request assignee has changed' do
subject.assignee = create(:user)
expect(subject.is_being_reassigned?).to be_truthy
end
it 'returns false if the merge request assignee has not changed' do
expect(subject.is_being_reassigned?).to be_falsey
end
end
describe '#for_fork?' do
it 'returns true if the merge request is for a fork' do
subject.source_project = build_stubbed(:empty_project, namespace: create(:group))
subject.target_project = build_stubbed(:empty_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.team << [subject.author, :developer]
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.team << [subject.author, :developer]
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.team << [subject.author, :developer]
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
let(:user) { create(:user) }
let(:user2) { create(:user) }
before do
subject.source_project.team << [user, :master]
subject.source_branch = "feature"
subject.target_branch = "master"
subject.save!
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.source_branch = "master"
subject.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
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.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.team << [subject.author, :developer]
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}")
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
let(:attrs_hash) { subject.hook_attrs }
[:source, :target].each do |key|
describe "#{key} key" do
include_examples 'project hook data', project_key: key do
let(:data) { attrs_hash }
let(:project) { subject.send("#{key}_project") }
end
end
end
it "has all the required keys" do
expect(attrs_hash).to include(:source)
expect(attrs_hash).to include(:target)
expect(attrs_hash).to include(:last_commit)
expect(attrs_hash).to include(:work_in_progress)
expect(attrs_hash).to include(:total_time_spent)
expect(attrs_hash).to include(:human_time_estimate)
expect(attrs_hash).to include(:human_total_time_spent)
expect(attrs_hash).to include('time_estimate')
end
end
describe '#diverged_commits_count' do
let(:project) { create(:project, :repository) }
let(:fork_project) { create(:project, :repository, forked_from_project: project) }
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.reload
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: fork_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: fork_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(:example) 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 '#commits_sha' do
before do
allow(subject.merge_request_diff).to receive(:commits_sha).
and_return(['sha1'])
end
it 'delegates to merge request diff' do
expect(subject.commits_sha).to eq ['sha1']
end
end
describe '#head_pipeline' do
describe 'when the source project exists' do
it 'returns the latest pipeline' do
pipeline = double(:ci_pipeline, ref: 'master')
allow(subject).to receive(:diff_head_sha).and_return('123abc')
expect(subject.source_project).to receive(:pipeline_for).
with('master', '123abc').
and_return(pipeline)
expect(subject.head_pipeline).to eq(pipeline)
end
end
describe '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 '#all_pipelines' do
shared_examples 'returning pipelines with proper ordering' do
let!(:all_pipelines) do
subject.all_commits_sha.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_commits_sha' do
context 'when merge request is persisted' do
let(:all_commits_sha) do
subject.merge_request_diffs.flat_map(&:commits).map(&:sha).uniq
end
shared_examples 'returning all SHA' do
it 'returns all SHA from all merge_request_diffs' do
expect(subject.merge_request_diffs.size).to eq(2)
expect(subject.all_commits_sha).to eq(all_commits_sha)
end
end
context 'with a completely different branch' do
before do
subject.update(target_branch: 'v1.0.0')
end
it_behaves_like 'returning all SHA'
end
context 'with a branch having no difference' do
before do
subject.update(target_branch: 'v1.1.0')
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_commits_sha).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_commits_sha).to eq [subject.diff_head_sha]
end
end
end
end
describe '#participants' do
let(:project) { create(:empty_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)
expect(user1.assigned_open_merge_request_count).to eq(1)
expect(user2.assigned_open_merge_request_count).to eq(0)
mr.assignee = user2
mr.save
expect(user1.assigned_open_merge_request_count).to eq(0)
expect(user2.assigned_open_merge_request_count).to eq(1)
end
end
describe '#check_if_can_be_merged' do
let(:project) { create(:empty_project, only_allow_merge_if_pipeline_succeeds: true) }
subject { create(:merge_request, source_project: project, merge_status: :unchecked) }
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 { allow(subject).to receive(:broken?) { true } }
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
describe '#mergeable?' do
let(:project) { create(:empty_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 { subject.close }
it 'returns false' do
expect(subject.mergeable_state?).to be_falsey
end
end
context 'when working in progress' do
before { subject.title = 'WIP MR' }
it 'returns false' do
expect(subject.mergeable_state?).to be_falsey
end
end
context 'when broken' do
before { allow(subject).to receive(:broken?) { true } }
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
end
end
end
describe '#mergeable_ci_state?' do
let(:project) { create(:empty_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')
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')
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')
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(:empty_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_master(user)
merge_request.target_project.add_master(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) do
create(:project, :repository) do |fork_project|
fork_project.create_forked_project_link(forked_to_project_id: fork_project.id, forked_from_project_id: project.id)
end
end
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
let(:note) { create(:diff_note_on_merge_request, project: subject.project, noteable: subject) }
let(:commit) { subject.project.commit(sample_commit.id) }
it "does not change existing merge request diff" do
expect(subject.merge_request_diff).not_to receive(:save_git_content)
subject.reload_diff
end
it "creates new merge request diff" do
expect { subject.reload_diff }.to change { subject.merge_request_diffs.count }.by(1)
end
it "executs diff cache service" do
expect_any_instance_of(MergeRequests::MergeRequestDiffCacheService).to receive(:execute).with(subject)
subject.reload_diff
end
it "updates diff note positions" do
old_diff_refs = subject.diff_refs
# 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
expect(Notes::DiffPositionUpdateService).to receive(:new).with(
subject.project,
nil,
old_diff_refs: old_diff_refs,
new_diff_refs: commit.diff_refs,
paths: note.position.paths
).and_call_original
expect_any_instance_of(Notes::DiffPositionUpdateService).to receive(:execute).with(note)
expect_any_instance_of(DiffNote).to receive(:save).once
subject.reload_diff
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.raw_repository.delete_branch(subject.target_branch)
end
it 'returns nil' do
expect(subject.branch_merge_base_commit).to be_nil
end
end
end
describe "#diff_sha_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_sha_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_sha_refs).to eq(expected_diff_refs)
end
end
end
describe '#conflicts_can_be_resolved_in_ui?' do
def create_merge_request(source_branch)
create(:merge_request, source_branch: source_branch, target_branch: 'conflict-start') do |mr|
mr.mark_as_unmergeable
end
end
it 'returns a falsey value when the MR can be merged without conflicts' do
merge_request = create_merge_request('master')
merge_request.mark_as_mergeable
expect(merge_request.conflicts_can_be_resolved_in_ui?).to be_falsey
end
it 'returns a falsey value when the MR is marked as having conflicts, but has none' do
merge_request = create_merge_request('master')
expect(merge_request.conflicts_can_be_resolved_in_ui?).to be_falsey
end
it 'returns a falsey value when the MR has a missing ref after a force push' do
merge_request = create_merge_request('conflict-resolvable')
allow(merge_request.conflicts).to receive(:merge_index).and_raise(Rugged::OdbError)
expect(merge_request.conflicts_can_be_resolved_in_ui?).to be_falsey
end
it 'returns a falsey value when the MR does not support new diff notes' do
merge_request = create_merge_request('conflict-resolvable')
merge_request.merge_request_diff.update_attributes(start_commit_sha: nil)
expect(merge_request.conflicts_can_be_resolved_in_ui?).to be_falsey
end
it 'returns a falsey value when the conflicts contain a large file' do
merge_request = create_merge_request('conflict-too-large')
expect(merge_request.conflicts_can_be_resolved_in_ui?).to be_falsey
end
it 'returns a falsey value when the conflicts contain a binary file' do
merge_request = create_merge_request('conflict-binary-file')
expect(merge_request.conflicts_can_be_resolved_in_ui?).to be_falsey
end
it 'returns a falsey value when the conflicts contain a file edited in one branch and deleted in another' do
merge_request = create_merge_request('conflict-missing-side')
expect(merge_request.conflicts_can_be_resolved_in_ui?).to be_falsey
end
it 'returns a truthy value when the conflicts are resolvable in the UI' do
merge_request = create_merge_request('conflict-resolvable')
expect(merge_request.conflicts_can_be_resolved_in_ui?).to be_truthy
end
it 'returns a truthy value when the conflicts have to be resolved in an editor' do
merge_request = create_merge_request('conflict-contains-conflict-markers')
expect(merge_request.conflicts_can_be_resolved_in_ui?).to be_truthy
end
end
describe "#source_project_missing?" do
let(:project) { create(:empty_project) }
let(:fork_project) { create(:empty_project, forked_from_project: project) }
let(:user) { create(:user) }
let(:unlink_project) { Projects::UnlinkForkService.new(fork_project, user) }
context "when the fork exists" do
let(:merge_request) do
create(:merge_request,
source_project: fork_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: fork_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 "#closed_without_fork?" do
let(:project) { create(:empty_project) }
let(:fork_project) { create(:empty_project, forked_from_project: project) }
let(:user) { create(:user) }
let(:unlink_project) { Projects::UnlinkForkService.new(fork_project, user) }
context "when the merge request is closed" do
let(:closed_merge_request) do
create(:closed_merge_request,
source_project: fork_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: fork_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(:empty_project) }
let(:user) { create(:user) }
let(:fork_project) { create(:empty_project, forked_from_project: project, namespace: user.namespace) }
let!(:merge_request) do
create(:closed_merge_request,
source_project: fork_project,
target_project: project)
end
it 'returns false if unforked' do
Projects::UnlinkForkService.new(fork_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(fork_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_attributes(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_slash_command?' do
def create_pipeline(status)
create(:ci_pipeline_with_one_job,
project: project,
ref: merge_request.source_branch,
sha: merge_request.diff_head_sha,
status: status)
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.team << [developer, :developer]
end
context 'when autocomplete_precheck is set to true' do
it 'is mergeable by developer' do
expect(merge_request.mergeable_with_slash_command?(developer, autocomplete_precheck: true)).to be_truthy
end
it 'is not mergeable by normal user' do
expect(merge_request.mergeable_with_slash_command?(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_slash_command?(developer, last_diff_sha: mr_sha)).to be_truthy
end
it 'is not mergeable by normal user' do
expect(merge_request.mergeable_with_slash_command?(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_slash_command?(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_slash_command?(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_slash_command?(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_slash_command?(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_slash_command?(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_slash_command?(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_slash_command?(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
end