1 files changed, 79 insertions, 0 deletions
diff --git a/spec/requests/api/graphql/mutations/ci/job/play_spec.rb b/spec/requests/api/graphql/mutations/ci/job/play_spec.rb
new file mode 100644
index 00000000000..0c700248f85
--- /dev/null
+++ b/spec/requests/api/graphql/mutations/ci/job/play_spec.rb
@@ -0,0 +1,79 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+
+RSpec.describe 'JobPlay', feature_category: :continuous_integration do
+  include GraphqlHelpers
+
+  let_it_be(:user) { create(:user) }
+  let_it_be(:project) { create(:project) }
+  let_it_be(:pipeline) { create(:ci_pipeline, project: project, user: user) }
+  let_it_be(:job) { create(:ci_build, :playable, pipeline: pipeline, name: 'build') }
+
+  let(:variables) do
+    {
+      id: job.to_global_id.to_s
+    }
+  end
+
+  let(:mutation) do
+    graphql_mutation(:job_play, variables,
+      <<-QL
+                       errors
+                       job {
+                         id
+                         manualVariables {
+                           nodes {
+                             key
+                           }
+                         }
+                       }
+      QL
+    )
+  end
+
+  let(:mutation_response) { graphql_mutation_response(:job_play) }
+
+  before_all do
+    project.add_maintainer(user)
+  end
+
+  it 'returns an error if the user is not allowed to play the job' do
+    post_graphql_mutation(mutation, current_user: create(:user))
+
+    expect(graphql_errors).not_to be_empty
+  end
+
+  it 'plays a job' do
+    job_id = ::Gitlab::GlobalId.build(job, id: job.id).to_s
+    post_graphql_mutation(mutation, current_user: user)
+
+    expect(response).to have_gitlab_http_status(:success)
+    expect(mutation_response['job']['id']).to eq(job_id)
+  end
+
+  context 'when given variables' do
+    let(:variables) do
+      {
+        id: job.to_global_id.to_s,
+        variables: [
+          { key: 'MANUAL_VAR_1', value: 'test var' },
+          { key: 'MANUAL_VAR_2', value: 'test var 2' }
+        ]
+      }
+    end
+
+    it 'provides those variables to the job', :aggregate_failures do
+      expect_next_instance_of(Ci::PlayBuildService) do |instance|
+        expect(instance).to receive(:execute).with(an_instance_of(Ci::Build), variables[:variables]).and_call_original
+      end
+
+      post_graphql_mutation(mutation, current_user: user)
+
+      expect(response).to have_gitlab_http_status(:success)
+      expect(mutation_response['job']['manualVariables']['nodes'].pluck('key')).to contain_exactly(
+        'MANUAL_VAR_1', 'MANUAL_VAR_2'
+      )
+    end
+  end
+end