gitlab-org--gitlab-foss/spec/serializers/merge_request_widget_entity_spec.rb

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require 'spec_helper'
describe MergeRequestWidgetEntity do
include ProjectForksHelper
let(:project) { create :project, :repository }
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let(:resource) { create(:merge_request, source_project: project, target_project: project) }
let(:user) { create(:user) }
let(:request) { double('request', current_user: user, project: project) }
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subject do
described_class.new(resource, request: request).as_json
end
it 'has the latest sha of the target branch' do
is_expected.to include(:target_branch_sha)
end
describe 'source_project_full_path' do
it 'includes the full path of the source project' do
expect(subject[:source_project_full_path]).to be_present
end
context 'when the source project is missing' do
it 'returns `nil` for the source project' do
resource.allow_broken = true
resource.update!(source_project: nil)
expect(subject[:source_project_full_path]).to be_nil
end
end
end
describe 'issues links' do
it 'includes issues links when requested' do
data = described_class.new(resource, request: request, issues_links: true).as_json
expect(data).to include(:issues_links)
expect(data[:issues_links]).to include(:assign_to_closing, :closing, :mentioned_but_not_closing)
end
it 'omits issue links by default' do
expect(subject).not_to include(:issues_links)
end
end
describe 'pipeline' do
let(:pipeline) { create(:ci_empty_pipeline, project: project, ref: resource.source_branch, sha: resource.source_branch_sha, head_pipeline_of: resource) }
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before do
allow_any_instance_of(MergeRequestPresenter).to receive(:can?).and_call_original
allow_any_instance_of(MergeRequestPresenter).to receive(:can?).with(user, :read_pipeline, anything).and_return(result)
end
context 'when user has access to pipelines' do
let(:result) { true }
context 'when is up to date' do
let(:req) { double('request', current_user: user, project: project) }
it 'returns pipeline' do
pipeline_payload = PipelineDetailsEntity
.represent(pipeline, request: req)
.as_json
expect(subject[:pipeline]).to eq(pipeline_payload)
end
end
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context 'when is not up to date' do
it 'returns nil' do
pipeline.update(sha: "not up to date")
expect(subject[:pipeline]).to eq(nil)
end
end
end
context 'when user does not have access to pipelines' do
let(:result) { false }
it 'does not have pipeline' do
expect(subject[:pipeline]).to eq(nil)
end
end
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end
describe 'merge_pipeline' do
it 'returns nil' do
expect(subject[:merge_pipeline]).to be_nil
end
context 'when is merged' do
let(:resource) { create(:merged_merge_request, source_project: project, merge_commit_sha: project.commit.id) }
let(:pipeline) { create(:ci_empty_pipeline, project: project, ref: resource.target_branch, sha: resource.merge_commit_sha) }
before do
project.add_maintainer(user)
end
it 'returns merge_pipeline' do
pipeline.reload
pipeline_payload = PipelineDetailsEntity
.represent(pipeline, request: request)
.as_json
expect(subject[:merge_pipeline]).to eq(pipeline_payload)
end
context 'when user cannot read pipelines on target project' do
before do
project.add_guest(user)
end
it 'returns nil' do
expect(subject[:merge_pipeline]).to be_nil
end
end
end
end
describe 'metrics' do
context 'when metrics record exists with merged data' do
before do
resource.mark_as_merged!
resource.metrics.update!(merged_by: user)
end
it 'matches merge request metrics schema' do
expect(subject[:metrics].with_indifferent_access)
.to match_schema('entities/merge_request_metrics')
end
it 'returns values from metrics record' do
expect(subject.dig(:metrics, :merged_by, :id))
.to eq(resource.metrics.merged_by_id)
end
end
context 'when metrics record exists with closed data' do
before do
resource.close!
resource.metrics.update!(latest_closed_by: user)
end
it 'matches merge request metrics schema' do
expect(subject[:metrics].with_indifferent_access)
.to match_schema('entities/merge_request_metrics')
end
it 'returns values from metrics record' do
expect(subject.dig(:metrics, :closed_by, :id))
.to eq(resource.metrics.latest_closed_by_id)
end
end
context 'when metrics does not exists' do
before do
resource.mark_as_merged!
resource.metrics.destroy!
resource.reload
end
context 'when events exists' do
let!(:closed_event) { create(:event, :closed, project: project, target: resource) }
let!(:merge_event) { create(:event, :merged, project: project, target: resource) }
it 'matches merge request metrics schema' do
expect(subject[:metrics].with_indifferent_access)
.to match_schema('entities/merge_request_metrics')
end
it 'returns values from events record' do
expect(subject.dig(:metrics, :merged_by, :id))
.to eq(merge_event.author_id)
expect(subject.dig(:metrics, :closed_by, :id))
.to eq(closed_event.author_id)
expect(subject.dig(:metrics, :merged_at).to_s)
.to eq(merge_event.updated_at.to_s)
expect(subject.dig(:metrics, :closed_at).to_s)
.to eq(closed_event.updated_at.to_s)
end
end
context 'when events does not exists' do
it 'matches merge request metrics schema' do
expect(subject[:metrics].with_indifferent_access)
.to match_schema('entities/merge_request_metrics')
end
end
end
end
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it 'has email_patches_path' do
expect(subject[:email_patches_path])
.to eq("/#{resource.project.full_path}/merge_requests/#{resource.iid}.patch")
end
it 'has plain_diff_path' do
expect(subject[:plain_diff_path])
.to eq("/#{resource.project.full_path}/merge_requests/#{resource.iid}.diff")
end
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it 'has default_merge_commit_message_with_description' do
expect(subject[:default_merge_commit_message_with_description])
.to eq(resource.default_merge_commit_message(include_description: true))
end
it 'has default_squash_commit_message' do
expect(subject[:default_squash_commit_message])
.to eq(resource.default_squash_commit_message)
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end
describe 'new_blob_path' do
context 'when user can push to project' do
it 'returns path' do
project.add_developer(user)
expect(subject[:new_blob_path])
.to eq("/#{resource.project.full_path}/new/#{resource.source_branch}")
end
end
context 'when user cannot push to project' do
it 'returns nil' do
expect(subject[:new_blob_path]).to be_nil
end
end
end
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describe 'diff_head_sha' do
before do
allow(resource).to receive(:diff_head_sha) { 'sha' }
end
context 'when diff head commit is empty' do
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it 'returns nil' do
allow(resource).to receive(:diff_head_sha) { '' }
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expect(subject[:diff_head_sha]).to be_nil
end
end
context 'when diff head commit present' do
it 'returns diff head commit short id' do
expect(subject[:diff_head_sha]).to eq('sha')
end
end
end
describe 'diverged_commits_count' do
context 'when MR open and its diverging' do
it 'returns diverged commits count' do
allow(resource).to receive_messages(open?: true, diverged_from_target_branch?: true,
diverged_commits_count: 10)
expect(subject[:diverged_commits_count]).to eq(10)
end
end
context 'when MR is not open' do
it 'returns 0' do
allow(resource).to receive_messages(open?: false)
expect(subject[:diverged_commits_count]).to be_zero
end
end
context 'when MR is not diverging' do
it 'returns 0' do
allow(resource).to receive_messages(open?: true, diverged_from_target_branch?: false)
expect(subject[:diverged_commits_count]).to be_zero
end
end
end
describe 'when source project is deleted' do
let(:project) { create(:project, :repository) }
let(:forked_project) { fork_project(project) }
let(:merge_request) { create(:merge_request, source_project: forked_project, target_project: project) }
it 'returns a blank rebase_path' do
allow(merge_request).to receive(:should_be_rebased?).and_return(true)
forked_project.destroy
merge_request.reload
entity = described_class.new(merge_request, request: request).as_json
expect(entity[:rebase_path]).to be_nil
end
end
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describe 'commits_without_merge_commits' do
def find_matching_commit(short_id)
resource.commits.find { |c| c.short_id == short_id }
end
it 'does not include merge commits' do
commits_in_widget = subject[:commits_without_merge_commits]
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expect(commits_in_widget.length).to be < resource.commits.length
expect(commits_in_widget.length).to eq(resource.commits.without_merge_commits.length)
commits_in_widget.each do |c|
expect(find_matching_commit(c[:short_id]).merge_commit?).to eq(false)
end
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end
end
describe 'auto merge' do
context 'when auto merge is enabled' do
let(:resource) { create(:merge_request, :merge_when_pipeline_succeeds) }
it 'returns auto merge related information' do
expect(subject[:auto_merge_enabled]).to be_truthy
expect(subject[:auto_merge_strategy]).to eq('merge_when_pipeline_succeeds')
end
end
context 'when auto merge is not enabled' do
let(:resource) { create(:merge_request) }
it 'returns auto merge related information' do
expect(subject[:auto_merge_enabled]).to be_falsy
expect(subject[:auto_merge_strategy]).to be_nil
end
end
context 'when head pipeline is running' do
before do
create(:ci_pipeline, :running, project: project,
ref: resource.source_branch,
sha: resource.diff_head_sha)
resource.update_head_pipeline
end
it 'returns available auto merge strategies' do
expect(subject[:available_auto_merge_strategies]).to eq(%w[merge_when_pipeline_succeeds])
end
end
context 'when head pipeline is finished' do
before do
create(:ci_pipeline, :success, project: project,
ref: resource.source_branch,
sha: resource.diff_head_sha)
resource.update_head_pipeline
end
it 'returns available auto merge strategies' do
expect(subject[:available_auto_merge_strategies]).to be_empty
end
end
end
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end