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# frozen_string_literal: true
require 'spec_helper'
RSpec.describe 'getting merge request information nested in a project' do
include GraphqlHelpers
let(:project) { create(:project, :repository, :public) }
let(:current_user) { create(:user) }
let(:merge_request_graphql_data) { graphql_data['project']['mergeRequest'] }
let!(:merge_request) { create(:merge_request, source_project: project) }
let(:mr_fields) { all_graphql_fields_for('MergeRequest', excluded: ['pipeline']) }
let(:query) do
graphql_query_for(
'project',
{ 'fullPath' => project.full_path },
query_graphql_field('mergeRequest', { iid: merge_request.iid.to_s }, mr_fields)
)
end
it_behaves_like 'a working graphql query' do
before do
post_graphql(query, current_user: current_user)
end
end
it 'contains merge request information' do
post_graphql(query, current_user: current_user)
expect(merge_request_graphql_data).not_to be_nil
end
# This is a field coming from the `MergeRequestPresenter`
it 'includes a web_url' do
post_graphql(query, current_user: current_user)
expect(merge_request_graphql_data['webUrl']).to be_present
end
it 'includes author' do
post_graphql(query, current_user: current_user)
expect(merge_request_graphql_data['author']['username']).to eq(merge_request.author.username)
end
context 'the merge_request has reviewers' do
let(:mr_fields) do
<<~SELECT
reviewers { nodes { id username } }
participants { nodes { id username } }
SELECT
end
before do
merge_request.reviewers << create_list(:user, 2)
end
it 'includes reviewers' do
expected = merge_request.reviewers.map do |r|
a_hash_including('id' => global_id_of(r), 'username' => r.username)
end
post_graphql(query, current_user: current_user)
expect(graphql_data_at(:project, :merge_request, :reviewers, :nodes)).to match_array(expected)
expect(graphql_data_at(:project, :merge_request, :participants, :nodes)).to include(*expected)
end
end
it 'includes diff stats' do
be_natural = an_instance_of(Integer).and(be >= 0)
post_graphql(query, current_user: current_user)
sums = merge_request_graphql_data['diffStats'].reduce([0, 0, 0]) do |(a, d, c), node|
a_, d_ = node.values_at('additions', 'deletions')
[a + a_, d + d_, c + a_ + d_]
end
expect(merge_request_graphql_data).to include(
'diffStats' => all(a_hash_including('path' => String, 'additions' => be_natural, 'deletions' => be_natural)),
'diffStatsSummary' => a_hash_including(
'fileCount' => merge_request.diff_stats.count,
'additions' => be_natural,
'deletions' => be_natural,
'changes' => be_natural
)
)
# diff_stats is consistent with summary
expect(merge_request_graphql_data['diffStatsSummary']
.values_at('additions', 'deletions', 'changes')).to eq(sums)
# diff_stats_summary is internally consistent
expect(merge_request_graphql_data['diffStatsSummary']
.values_at('additions', 'deletions').sum)
.to eq(merge_request_graphql_data.dig('diffStatsSummary', 'changes'))
.and be_positive
end
context 'requesting a specific diff stat' do
let(:diff_stat) { merge_request.diff_stats.first }
let(:query) do
graphql_query_for(:project, { full_path: project.full_path },
query_graphql_field(:merge_request, { iid: merge_request.iid.to_s }, [
query_graphql_field(:diff_stats, { path: diff_stat.path }, all_graphql_fields_for('DiffStats'))
])
)
end
it 'includes only the requested stats' do
post_graphql(query, current_user: current_user)
expect(merge_request_graphql_data).to include(
'diffStats' => contain_exactly(
a_hash_including('path' => diff_stat.path, 'additions' => diff_stat.additions, 'deletions' => diff_stat.deletions)
)
)
end
end
it 'includes correct mergedAt value when merged' do
time = 1.week.ago
merge_request.mark_as_merged
merge_request.metrics.update_columns(merged_at: time)
post_graphql(query, current_user: current_user)
retrieved = merge_request_graphql_data['mergedAt']
expect(Time.zone.parse(retrieved)).to be_within(1.second).of(time)
end
it 'includes nil mergedAt value when not merged' do
post_graphql(query, current_user: current_user)
retrieved = merge_request_graphql_data['mergedAt']
expect(retrieved).to be_nil
end
context 'permissions on the merge request' do
it 'includes the permissions for the current user on a public project' do
expected_permissions = {
'readMergeRequest' => true,
'adminMergeRequest' => false,
'createNote' => true,
'pushToSourceBranch' => false,
'removeSourceBranch' => false,
'cherryPickOnCurrentMergeRequest' => false,
'revertOnCurrentMergeRequest' => false,
'updateMergeRequest' => false,
'canMerge' => false
}
post_graphql(query, current_user: current_user)
permission_data = merge_request_graphql_data['userPermissions']
expect(permission_data).to be_present
expect(permission_data).to eq(expected_permissions)
end
end
context 'when the user does not have access to the merge request' do
let(:project) { create(:project, :public, :repository) }
it 'returns nil' do
project.project_feature.update!(merge_requests_access_level: ProjectFeature::PRIVATE)
post_graphql(query)
expect(merge_request_graphql_data).to be_nil
end
end
context 'when there are pipelines' do
before do
create(
:ci_pipeline,
project: merge_request.source_project,
ref: merge_request.source_branch,
sha: merge_request.diff_head_sha
)
merge_request.update_head_pipeline
end
it 'has a head pipeline' do
post_graphql(query, current_user: current_user)
expect(merge_request_graphql_data['headPipeline']).to be_present
end
it 'has pipeline connections' do
post_graphql(query, current_user: current_user)
expect(merge_request_graphql_data['pipelines']['edges'].size).to eq(1)
end
end
context 'when limiting the number of results' do
let(:merge_requests_graphql_data) { graphql_data['project']['mergeRequests']['edges'] }
let!(:merge_requests) do
[
create(:merge_request, source_project: project, source_branch: 'branch-1'),
create(:merge_request, source_project: project, source_branch: 'branch-2'),
create(:merge_request, source_project: project, source_branch: 'branch-3')
]
end
let(:fields) do
<<~QUERY
edges {
node {
iid,
title
}
}
QUERY
end
let(:query) do
graphql_query_for(
'project',
{ 'fullPath' => project.full_path },
"mergeRequests(first: 2) { #{fields} }"
)
end
it 'returns the correct number of results' do
post_graphql(query, current_user: current_user)
expect(merge_requests_graphql_data.size).to eq 2
end
end
context 'when merge request is cannot_be_merged_rechecking' do
before do
merge_request.update!(merge_status: 'cannot_be_merged_rechecking')
end
it 'returns checking' do
post_graphql(query, current_user: current_user)
expect(merge_request_graphql_data['mergeStatus']).to eq('checking')
end
end
# see: https://gitlab.com/gitlab-org/gitlab/-/issues/297358
context 'when the notes have been preloaded (by participants)' do
let(:query) do
<<~GQL
query($path: ID!) {
project(fullPath: $path) {
mrs: mergeRequests(first: 1) {
nodes {
participants { nodes { id } }
notes(first: 1) {
pageInfo { endCursor hasPreviousPage hasNextPage }
nodes { id }
}
}
}
}
}
GQL
end
before do
create_list(:note_on_merge_request, 3, project: project, noteable: merge_request)
end
it 'does not error' do
post_graphql(query,
current_user: current_user,
variables: { path: project.full_path })
expect(graphql_data_at(:project, :mrs, :nodes, :notes, :pageInfo)).to contain_exactly a_hash_including(
'endCursor' => String,
'hasNextPage' => true,
'hasPreviousPage' => false
)
end
end
end
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