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# frozen_string_literal: true
require 'spec_helper'
RSpec.describe 'Query.merge_request(id)', feature_category: :code_review do
include GraphqlHelpers
let_it_be(:project) { create(:project, :empty_repo) }
let_it_be(:merge_request) { create(:merge_request, source_project: project) }
let_it_be(:current_user) { create(:user) }
let(:merge_request_params) { { 'id' => global_id_of(merge_request) } }
let(:merge_request_data) { graphql_data['mergeRequest'] }
let(:merge_request_fields) { all_graphql_fields_for('MergeRequest'.classify) }
let(:query) do
graphql_query_for('mergeRequest', merge_request_params, merge_request_fields)
end
it_behaves_like 'a working graphql query' do
before do
post_graphql(query, current_user: current_user)
end
end
it_behaves_like 'a noteable graphql type we can query' do
let(:noteable) { merge_request }
let(:project) { merge_request.project }
let(:path_to_noteable) { [:merge_request] }
before do
project.add_reporter(current_user)
end
def query(fields)
graphql_query_for('mergeRequest', merge_request_params, fields)
end
end
context 'when the user does not have access to the merge request' do
it 'returns nil' do
post_graphql(query)
expect(merge_request_data).to be nil
end
end
context 'when the user does have access' do
before do
project.add_reporter(current_user)
end
it 'returns the merge request' do
post_graphql(query, current_user: current_user)
expect(merge_request_data).to include(
'title' => merge_request.title,
'description' => merge_request.description
)
end
context 'when selecting any single field' do
where(:field) do
scalar_fields_of('MergeRequest').map { |name| [name] }
end
with_them do
it_behaves_like 'a working graphql query' do
let(:merge_request_fields) do
field
end
before do
post_graphql(query, current_user: current_user)
end
it "returns the merge request and field #{params['field']}" do
expect(merge_request_data.keys).to eq([field])
end
end
end
end
context 'when selecting multiple fields' do
let(:merge_request_fields) { ['title', 'description', 'author { username }'] }
it 'returns the merge request with the specified fields' do
post_graphql(query, current_user: current_user)
expect(merge_request_data.keys).to eq %w[title description author]
expect(merge_request_data['title']).to eq(merge_request.title)
expect(merge_request_data['description']).to eq(merge_request.description)
expect(merge_request_data['author']['username']).to eq(merge_request.author.username)
end
end
context 'when passed a non-merge request gid' do
let(:issue) { create(:issue) }
it 'returns an error' do
gid = issue.to_global_id.to_s
merge_request_params['id'] = gid
post_graphql(query, current_user: current_user)
expect(graphql_errors).not_to be nil
expect(graphql_errors.first['message']).to eq("\"#{gid}\" does not represent an instance of MergeRequest")
end
end
end
end
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