1 files changed, 54 insertions, 0 deletions
diff --git a/spec/requests/api/graphql/project/job_spec.rb b/spec/requests/api/graphql/project/job_spec.rb
new file mode 100644
index 00000000000..6edd4cf753f
--- /dev/null
+++ b/spec/requests/api/graphql/project/job_spec.rb
@@ -0,0 +1,54 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+
+RSpec.describe 'Query.project.job' do
+  include GraphqlHelpers
+
+  let_it_be(:project) { create(:project) }
+  let_it_be(:user) { create(:user) }
+
+  let(:job) { create(:ci_build, project: project, name: 'GQL test job') }
+
+  let(:query) do
+    <<~QUERY
+    {
+      project(fullPath: "#{project.full_path}") {
+        job(id: "#{job.to_global_id}") {
+          name
+        }
+      }
+    }
+    QUERY
+  end
+
+  context 'when the user can read jobs on the project' do
+    before do
+      project.add_developer(user)
+    end
+
+    it 'returns the job that matches the given ID' do
+      post_graphql(query, current_user: user)
+
+      expect(graphql_data.dig('project', 'job', 'name')).to eq('GQL test job')
+    end
+
+    context 'when no job matches the given ID' do
+      let(:job) { create(:ci_build, project: create(:project), name: 'Job from another project') }
+
+      it 'returns null' do
+        post_graphql(query, current_user: user)
+
+        expect(graphql_data.dig('project', 'job')).to be_nil
+      end
+    end
+  end
+
+  context 'when the user cannot read jobs on the project' do
+    it 'returns null' do
+      post_graphql(query, current_user: user)
+
+      expect(graphql_data.dig('project', 'job')).to be_nil
+    end
+  end
+end