API: get participants from merge_requests & issues

1 files changed, 29 insertions, 0 deletions

diff --git a/spec/support/shared_examples/requests/api/issuable_participants_examples.rb b/spec/support/shared_examples/requests/api/issuable_participants_examples.rb
new file mode 100644
index 00000000000..96d59e0c472
--- /dev/null
+++ b/spec/support/shared_examples/requests/api/issuable_participants_examples.rb
@@ -0,0 +1,29 @@
+shared_examples 'issuable participants endpoint' do
+  let(:area) { entity.class.name.underscore.pluralize }
+
+  it 'returns participants' do
+    get api("/projects/#{project.id}/#{area}/#{entity.iid}/participants", user)
+
+    expect(response).to have_gitlab_http_status(200)
+    expect(response).to include_pagination_headers
+    expect(json_response).to be_an Array
+    expect(json_response.size).to eq(entity.participants.size)
+
+    last_participant = entity.participants.last
+    expect(json_response.last['id']).to eq(last_participant.id)
+    expect(json_response.last['name']).to eq(last_participant.name)
+    expect(json_response.last['username']).to eq(last_participant.username)
+  end
+
+  it 'returns a 404 when iid does not exist' do
+    get api("/projects/#{project.id}/#{area}/999/participants", user)
+
+    expect(response).to have_gitlab_http_status(404)
+  end
+
+  it 'returns a 404 when id is used instead of iid' do
+    get api("/projects/#{project.id}/#{area}/#{entity.id}/participants", user)
+
+    expect(response).to have_gitlab_http_status(404)
+  end
+end