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# frozen_string_literal: true
require 'spec_helper'
RSpec.describe Resolvers::MergeRequestsResolver do
include GraphqlHelpers
let_it_be(:project) { create(:project, :repository) }
let_it_be(:current_user) { create(:user) }
let_it_be(:common_attrs) { { author: current_user, source_project: project, target_project: project } }
let_it_be(:merge_request_1) { create(:merge_request, :simple, **common_attrs) }
let_it_be(:merge_request_2) { create(:merge_request, :rebased, **common_attrs) }
let_it_be(:merge_request_3) { create(:merge_request, :unique_branches, **common_attrs) }
let_it_be(:merge_request_4) { create(:merge_request, :unique_branches, :locked, **common_attrs) }
let_it_be(:merge_request_5) { create(:merge_request, :simple, :locked, **common_attrs) }
let_it_be(:merge_request_6) { create(:labeled_merge_request, :unique_branches, labels: create_list(:label, 2), **common_attrs) }
let_it_be(:other_project) { create(:project, :repository) }
let_it_be(:other_merge_request) { create(:merge_request, source_project: other_project, target_project: other_project) }
let(:iid_1) { merge_request_1.iid }
let(:iid_2) { merge_request_2.iid }
let(:other_iid) { other_merge_request.iid }
before do
project.add_developer(current_user)
other_project.add_developer(current_user)
end
describe '#resolve' do
let(:queries_per_project) { 3 }
context 'no arguments' do
it 'returns all merge requests' do
result = resolve_mr(project, {})
expect(result).to contain_exactly(merge_request_1, merge_request_2, merge_request_3, merge_request_4, merge_request_5, merge_request_6)
end
it 'returns only merge requests that the current user can see' do
result = resolve_mr(project, {}, user: build(:user))
expect(result).to be_empty
end
end
context 'by iid alone' do
it 'batch-resolves by target project full path and individual IID', :request_store do
# 1 query for project_authorizations, and 1 for merge_requests
result = batch_sync(max_queries: queries_per_project) do
[iid_1, iid_2].map { |iid| resolve_mr_single(project, iid) }
end
expect(result).to contain_exactly(merge_request_1, merge_request_2)
end
it 'batch-resolves by target project full path and IIDS', :request_store do
result = batch_sync(max_queries: queries_per_project) do
resolve_mr(project, iids: [iid_1, iid_2])
end
expect(result).to contain_exactly(merge_request_1, merge_request_2)
end
it 'batch-resolves by target project full path and IIDS, single or plural', :request_store do
result = batch_sync(max_queries: queries_per_project) do
[resolve_mr_single(project, merge_request_3.iid), *resolve_mr(project, iids: [iid_1, iid_2])]
end
expect(result).to contain_exactly(merge_request_1, merge_request_2, merge_request_3)
end
it 'can batch-resolve merge requests from different projects' do
# 2 queries for project_authorizations, and 2 for merge_requests
result = batch_sync(max_queries: queries_per_project * 2) do
resolve_mr(project, iids: iid_1) +
resolve_mr(project, iids: iid_2) +
resolve_mr(other_project, iids: other_iid)
end
expect(result).to contain_exactly(merge_request_1, merge_request_2, other_merge_request)
end
it 'resolves an unknown iid to be empty' do
result = batch_sync { resolve_mr_single(project, -1) }
expect(result).to be_nil
end
it 'resolves empty iids to be empty' do
result = batch_sync { resolve_mr(project, iids: []) }
expect(result).to be_empty
end
it 'resolves an unknown project to be nil when single' do
result = batch_sync { resolve_mr_single(nil, iid_1) }
expect(result).to be_nil
end
it 'resolves an unknown project to be empty' do
result = batch_sync { resolve_mr(nil, iids: [iid_1]) }
expect(result).to be_empty
end
end
context 'by source branches' do
it 'takes one argument' do
result = resolve_mr(project, source_branch: [merge_request_3.source_branch])
expect(result).to contain_exactly(merge_request_3)
end
it 'takes more than one argument' do
mrs = [merge_request_3, merge_request_4]
branches = mrs.map(&:source_branch)
result = resolve_mr(project, source_branch: branches )
expect(result).to match_array(mrs)
end
end
context 'by target branches' do
it 'takes one argument' do
result = resolve_mr(project, target_branch: [merge_request_3.target_branch])
expect(result).to contain_exactly(merge_request_3)
end
it 'takes more than one argument' do
mrs = [merge_request_3, merge_request_4]
branches = mrs.map(&:target_branch)
result = resolve_mr(project, target_branch: branches )
expect(result.compact).to match_array(mrs)
end
end
context 'by state' do
it 'takes one argument' do
result = resolve_mr(project, state: 'locked')
expect(result).to contain_exactly(merge_request_4, merge_request_5)
end
end
context 'by label' do
let_it_be(:label) { merge_request_6.labels.first }
let_it_be(:with_label) { create(:labeled_merge_request, :closed, labels: [label], **common_attrs) }
it 'takes one argument' do
result = resolve_mr(project, label_name: [label.title])
expect(result).to contain_exactly(merge_request_6, with_label)
end
it 'takes multiple arguments, with semantics of ALL MUST MATCH' do
result = resolve_mr(project, label_name: merge_request_6.labels.map(&:title))
expect(result).to contain_exactly(merge_request_6)
end
end
describe 'combinations' do
it 'requires all filters' do
create(:merge_request, :closed, source_project: project, target_project: project, source_branch: merge_request_4.source_branch)
result = resolve_mr(project, source_branch: [merge_request_4.source_branch], state: 'locked')
expect(result.compact).to contain_exactly(merge_request_4)
end
end
end
def resolve_mr_single(project, iid)
resolve_mr(project, { iids: iid }, resolver: described_class.single)
end
def resolve_mr(project, args, resolver: described_class, user: current_user)
resolve(resolver, obj: project, args: args, ctx: { current_user: user })
end
end
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