gitlab-org--gitlab-foss/spec/services/merge_requests/build_service_spec.rb
Francisco Javier López d1ba866451
Avoid setting merge request target branch when source if default branch
In case the source and the target project are the same, the
source branch is the default branch, and the target branch
is not present, we will avoid prefilling the target branch
with the repository default branch. Letting the user decide.
2019-09-10 12:56:32 +02:00

529 lines
18 KiB
Ruby

# frozen_string_literal: true
require 'spec_helper'
describe MergeRequests::BuildService do
using RSpec::Parameterized::TableSyntax
include RepoHelpers
include ProjectForksHelper
let(:project) { create(:project, :repository) }
let(:source_project) { nil }
let(:target_project) { nil }
let(:user) { create(:user) }
let(:issue_confidential) { false }
let(:issue) { create(:issue, project: project, title: 'A bug', confidential: issue_confidential) }
let(:description) { nil }
let(:source_branch) { 'feature-branch' }
let(:target_branch) { 'master' }
let(:milestone_id) { nil }
let(:label_ids) { [] }
let(:merge_request) { service.execute }
let(:compare) { double(:compare, commits: commits) }
let(:commit_1) { double(:commit_1, sha: 'f00ba7', safe_message: "Initial commit\n\nCreate the app") }
let(:commit_2) { double(:commit_2, sha: 'f00ba7', safe_message: 'This is a bad commit message!') }
let(:commits) { nil }
let(:params) do
{
description: description,
source_branch: source_branch,
target_branch: target_branch,
source_project: source_project,
target_project: target_project,
milestone_id: milestone_id,
label_ids: label_ids
}
end
let(:service) do
described_class.new(project, user, params)
end
before do
project.add_guest(user)
end
def stub_compare
allow(CompareService).to receive_message_chain(:new, :execute).and_return(compare)
allow(project).to receive(:commit).and_return(commit_1)
allow(project).to receive(:commit).and_return(commit_2)
end
shared_examples 'allows the merge request to be created' do
it do
expect(merge_request.can_be_created).to eq(true)
end
end
shared_examples 'forbids the merge request from being created' do
it 'returns that the merge request cannot be created' do
expect(merge_request.can_be_created).to eq(false)
end
it 'adds an error message to the merge request' do
expect(merge_request.errors).to contain_exactly(*Array(error_message))
end
end
describe '#execute' do
it 'calls the compare service with the correct arguments' do
allow_any_instance_of(described_class).to receive(:projects_and_branches_valid?).and_return(true)
expect(CompareService).to receive(:new)
.with(project, Gitlab::Git::BRANCH_REF_PREFIX + source_branch)
.and_call_original
expect_any_instance_of(CompareService).to receive(:execute)
.with(project, Gitlab::Git::BRANCH_REF_PREFIX + target_branch)
.and_call_original
merge_request
end
it 'does not assign force_remove_source_branch' do
expect(merge_request.force_remove_source_branch?).to be_falsey
end
context 'with force_remove_source_branch parameter' do
let(:mr_params) { params.merge(force_remove_source_branch: '1') }
let(:merge_request) { described_class.new(project, user, mr_params).execute }
it 'assigns force_remove_source_branch' do
expect(merge_request.force_remove_source_branch?).to be_truthy
end
end
context 'missing source branch' do
let(:source_branch) { '' }
it_behaves_like 'forbids the merge request from being created' do
let(:error_message) { 'You must select source and target branch' }
end
end
context 'when target branch is missing' do
let(:target_branch) { nil }
let(:commits) { Commit.decorate([commit_1], project) }
before do
stub_compare
end
context 'when source branch' do
context 'is not the repository default branch' do
it 'creates compare object with target branch as default branch' do
expect(merge_request.compare).to be_present
expect(merge_request.target_branch).to eq(project.default_branch)
end
it_behaves_like 'allows the merge request to be created'
end
context 'the repository default branch' do
let(:source_branch) { 'master' }
it_behaves_like 'forbids the merge request from being created' do
let(:error_message) { 'You must select source and target branch' }
end
context 'when source project is different from the target project' do
let(:target_project) { create(:project, :public, :repository) }
let!(:project) { fork_project(target_project, user, namespace: user.namespace, repository: true) }
let(:source_project) { project }
it 'creates compare object with target branch as default branch' do
expect(merge_request.compare).to be_present
expect(merge_request.target_branch).to eq(project.default_branch)
end
it_behaves_like 'allows the merge request to be created'
end
end
end
end
context 'same source and target branch' do
let(:source_branch) { 'master' }
it_behaves_like 'forbids the merge request from being created' do
let(:error_message) { 'You must select different branches' }
end
end
context 'no commits in the diff' do
let(:commits) { [] }
before do
stub_compare
end
it_behaves_like 'allows the merge request to be created'
it 'adds a WIP prefix to the merge request title' do
expect(merge_request.title).to eq('WIP: Feature branch')
end
end
context 'one commit in the diff' do
let(:commits) { Commit.decorate([commit_1], project) }
let(:commit_description) { commit_1.safe_message.split(/\n+/, 2).last }
before do
stub_compare
end
it_behaves_like 'allows the merge request to be created'
it 'uses the title of the commit as the title of the merge request' do
expect(merge_request.title).to eq(commit_1.safe_message.split("\n").first)
end
it 'uses the description of the commit as the description of the merge request' do
expect(merge_request.description).to eq(commit_description)
end
context 'merge request already has a description set' do
let(:description) { 'Merge request description' }
it 'keeps the description from the initial params' do
expect(merge_request.description).to eq(description)
end
end
context 'commit has no description' do
let(:commits) { Commit.decorate([commit_2], project) }
it 'uses the title of the commit as the title of the merge request' do
expect(merge_request.title).to eq(commit_2.safe_message)
end
it 'sets the description to nil' do
expect(merge_request.description).to be_nil
end
end
context 'when the source branch matches an issue' do
where(:issue_tracker, :source_branch, :closing_message) do
:jira | 'FOO-123-fix-issue' | 'Closes FOO-123'
:jira | 'fix-issue' | nil
:custom_issue_tracker | '123-fix-issue' | 'Closes #123'
:custom_issue_tracker | 'fix-issue' | nil
:internal | '123-fix-issue' | 'Closes #123'
:internal | 'fix-issue' | nil
end
with_them do
before do
if issue_tracker == :internal
issue.update!(iid: 123)
else
create(:"#{issue_tracker}_service", project: project)
end
end
it 'uses the title of the commit as the title of the merge request' do
expect(merge_request.title).to eq('Initial commit')
end
it 'appends the closing description' do
expected_description = [commit_description, closing_message].compact.join("\n\n")
expect(merge_request.description).to eq(expected_description)
end
end
context 'when the source branch matches an internal issue' do
let(:label) { create(:label, project: project) }
let(:milestone) { create(:milestone, project: project) }
let(:source_branch) { '123-fix-issue' }
before do
issue.update!(iid: 123, labels: [label], milestone: milestone)
end
it 'assigns the issue label and milestone' do
expect(merge_request.milestone).to eq(milestone)
expect(merge_request.labels).to match_array([label])
end
context 'when milestone_id and label_ids are shared in the params' do
let(:label2) { create(:label, project: project) }
let(:milestone2) { create(:milestone, project: project) }
let(:label_ids) { [label2.id] }
let(:milestone_id) { milestone2.id }
before do
# Guests are not able to assign labels or milestones to an issue
project.add_developer(user)
end
it 'assigns milestone_id and label_ids instead of issue labels and milestone' do
expect(merge_request.milestone).to eq(milestone2)
expect(merge_request.labels).to match_array([label2])
end
end
end
context 'when a milestone is from another project' do
let(:milestone) { create(:milestone, project: create(:project)) }
let(:milestone_id) { milestone.id }
it 'sets milestone to nil' do
expect(merge_request.milestone).to be_nil
end
end
end
end
context 'more than one commit in the diff' do
let(:commits) { Commit.decorate([commit_1, commit_2], project) }
before do
stub_compare
end
it_behaves_like 'allows the merge request to be created'
it 'uses the title of the branch as the merge request title' do
expect(merge_request.title).to eq('Feature branch')
end
it 'does not add a description' do
expect(merge_request.description).to be_nil
end
context 'merge request already has a description set' do
let(:description) { 'Merge request description' }
it 'keeps the description from the initial params' do
expect(merge_request.description).to eq(description)
end
end
context 'when the source branch matches an issue' do
where(:issue_tracker, :source_branch, :title, :closing_message) do
:jira | 'FOO-123-fix-issue' | 'Resolve FOO-123 "Fix issue"' | 'Closes FOO-123'
:jira | 'fix-issue' | 'Fix issue' | nil
:custom_issue_tracker | '123-fix-issue' | 'Resolve #123 "Fix issue"' | 'Closes #123'
:custom_issue_tracker | 'fix-issue' | 'Fix issue' | nil
:internal | '123-fix-issue' | 'Resolve "A bug"' | 'Closes #123'
:internal | 'fix-issue' | 'Fix issue' | nil
:internal | '124-fix-issue' | '124 fix issue' | nil
end
with_them do
before do
if issue_tracker == :internal
issue.update!(iid: 123)
else
create(:"#{issue_tracker}_service", project: project)
end
end
it 'sets the correct title' do
expect(merge_request.title).to eq(title)
end
it 'sets the closing description' do
expect(merge_request.description).to eq(closing_message)
end
end
end
context 'when the issue is not accessible to user' do
let(:source_branch) { "#{issue.iid}-fix-issue" }
before do
project.team.truncate
end
it 'uses branch title as the merge request title' do
expect(merge_request.title).to eq("#{issue.iid} fix issue")
end
it 'does not set a description' do
expect(merge_request.description).to be_nil
end
end
context 'when the issue is confidential' do
let(:source_branch) { "#{issue.iid}-fix-issue" }
let(:issue_confidential) { true }
it 'uses the title of the branch as the merge request title' do
expect(merge_request.title).to eq("#{issue.iid} fix issue")
end
it 'does not set a description' do
expect(merge_request.description).to be_nil
end
end
end
context 'source branch does not exist' do
before do
allow(project).to receive(:commit).with(source_branch).and_return(nil)
allow(project).to receive(:commit).with(target_branch).and_return(commit_1)
end
it_behaves_like 'forbids the merge request from being created' do
let(:error_message) { 'Source branch "feature-branch" does not exist' }
end
end
context 'target branch does not exist' do
before do
allow(project).to receive(:commit).with(source_branch).and_return(commit_1)
allow(project).to receive(:commit).with(target_branch).and_return(nil)
end
it_behaves_like 'forbids the merge request from being created' do
let(:error_message) { 'Target branch "master" does not exist' }
end
end
context 'both source and target branches do not exist' do
before do
allow(project).to receive(:commit).and_return(nil)
end
it_behaves_like 'forbids the merge request from being created' do
let(:error_message) do
['Source branch "feature-branch" does not exist', 'Target branch "master" does not exist']
end
end
end
context 'upstream project has disabled merge requests' do
let(:upstream_project) { create(:project, :merge_requests_disabled) }
let(:project) { create(:project, forked_from_project: upstream_project) }
let(:commits) { Commit.decorate([commit_1], project) }
it 'sets target project correctly' do
expect(merge_request.target_project).to eq(project)
end
end
context 'target_project is set and accessible by current_user' do
let(:target_project) { create(:project, :public, :repository)}
let(:commits) { Commit.decorate([commit_1], project) }
it 'sets target project correctly' do
expect(merge_request.target_project).to eq(target_project)
end
end
context 'target_project is set but not accessible by current_user' do
let(:target_project) { create(:project, :private, :repository)}
let(:commits) { Commit.decorate([commit_1], project) }
it 'sets target project correctly' do
expect(merge_request.target_project).to eq(project)
end
end
context 'target_project is set but repo is not accessible by current_user' do
let(:target_project) do
create(:project, :public, :repository, repository_access_level: ProjectFeature::PRIVATE)
end
it 'sets target project correctly' do
expect(merge_request.target_project).to eq(project)
end
end
context 'source_project is set and accessible by current_user' do
let(:source_project) { create(:project, :public, :repository)}
let(:commits) { Commit.decorate([commit_1], project) }
before do
# To create merge requests _from_ a project the user needs at least
# developer access
source_project.add_developer(user)
end
it 'sets source project correctly' do
expect(merge_request.source_project).to eq(source_project)
end
end
context 'source_project is set but not accessible by current_user' do
let(:source_project) { create(:project, :private, :repository)}
let(:commits) { Commit.decorate([commit_1], project) }
it 'sets source project correctly' do
expect(merge_request.source_project).to eq(project)
end
end
context 'source_project is set but the user cannot create merge requests from the project' do
let(:source_project) do
create(:project, :public, :repository, merge_requests_access_level: ProjectFeature::PRIVATE)
end
it 'sets the source_project correctly' do
expect(merge_request.source_project).to eq(project)
end
end
context 'target_project is not in the fork network of source_project' do
let(:target_project) { create(:project, :public, :repository) }
it 'adds an error to the merge request' do
expect(merge_request.errors[:validate_fork]).to contain_exactly('Source project is not a fork of the target project')
end
end
context 'target_project is in the fork network of source project but no longer accessible' do
let!(:project) { fork_project(target_project, user, namespace: user.namespace, repository: true) }
let(:source_project) { project }
let(:target_project) { create(:project, :public, :repository) }
before do
target_project.update(visibility_level: Gitlab::VisibilityLevel::PRIVATE)
end
it 'sets the target_project correctly' do
expect(merge_request.target_project).to eq(project)
end
end
context 'when specifying target branch in the description' do
let(:description) { "A merge request targeting another branch\n\n/target_branch with-codeowners" }
it 'sets the attribute from the quick actions' do
expect(merge_request.target_branch).to eq('with-codeowners')
end
end
end
context 'when assigning labels' do
let(:label_ids) { [create(:label, project: project).id] }
context 'for members with less than developer access' do
it 'is not allowed' do
expect(merge_request.label_ids).to be_empty
end
end
context 'for users allowed to assign labels' do
before do
project.add_developer(user)
end
context 'for labels in the project' do
it 'is allowed for developers' do
expect(merge_request.label_ids).to contain_exactly(*label_ids)
end
end
context 'for unrelated labels' do
let(:project_label) { create(:label, project: project) }
let(:label_ids) { [create(:label).id, project_label.id] }
it 'only assigns related labels' do
expect(merge_request.label_ids).to contain_exactly(project_label.id)
end
end
end
end
end