1 files changed, 105 insertions, 0 deletions
diff --git a/spec/requests/api/graphql/project/value_streams_spec.rb b/spec/requests/api/graphql/project/value_streams_spec.rb
new file mode 100644
index 00000000000..01e937c1e47
--- /dev/null
+++ b/spec/requests/api/graphql/project/value_streams_spec.rb
@@ -0,0 +1,105 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+
+RSpec.describe 'Project.value_streams', feature_category: :value_stream_management do
+  include GraphqlHelpers
+
+  let_it_be(:project) { create(:project) }
+  let_it_be(:user) { create(:user) }
+
+  let(:query) do
+    <<~QUERY
+      query($fullPath: ID!) {
+        project(fullPath: $fullPath) {
+          valueStreams {
+            nodes {
+              name
+              stages {
+                name
+                startEventIdentifier
+                endEventIdentifier
+              }
+            }
+          }
+        }
+      }
+    QUERY
+  end
+
+  context 'when user has permissions to read value streams' do
+    let(:expected_value_stream) do
+      {
+        'project' => {
+          'valueStreams' => {
+            'nodes' => [
+              {
+                'name' => 'default',
+                'stages' => expected_stages
+              }
+            ]
+          }
+        }
+      }
+    end
+
+    let(:expected_stages) do
+      [
+        {
+          'name' => 'issue',
+          'startEventIdentifier' => 'ISSUE_CREATED',
+          'endEventIdentifier' => 'ISSUE_STAGE_END'
+        },
+        {
+          'name' => 'plan',
+          'startEventIdentifier' => 'PLAN_STAGE_START',
+          'endEventIdentifier' => 'ISSUE_FIRST_MENTIONED_IN_COMMIT'
+        },
+        {
+          'name' => 'code',
+          'startEventIdentifier' => 'CODE_STAGE_START',
+          'endEventIdentifier' => 'MERGE_REQUEST_CREATED'
+        },
+        {
+          'name' => 'test',
+          'startEventIdentifier' => 'MERGE_REQUEST_LAST_BUILD_STARTED',
+          'endEventIdentifier' => 'MERGE_REQUEST_LAST_BUILD_FINISHED'
+        },
+        {
+          'name' => 'review',
+          'startEventIdentifier' => 'MERGE_REQUEST_CREATED',
+          'endEventIdentifier' => 'MERGE_REQUEST_MERGED'
+        },
+        {
+          'name' => 'staging',
+          'startEventIdentifier' => 'MERGE_REQUEST_MERGED',
+          'endEventIdentifier' => 'MERGE_REQUEST_FIRST_DEPLOYED_TO_PRODUCTION'
+        }
+      ]
+    end
+
+    before_all do
+      project.add_guest(user)
+    end
+
+    before do
+      post_graphql(query, current_user: user, variables: { fullPath: project.full_path })
+    end
+
+    it_behaves_like 'a working graphql query'
+
+    it 'returns only `default` value stream' do
+      expect(graphql_data).to eq(expected_value_stream)
+    end
+  end
+
+  context 'when user does not have permission to read value streams' do
+    before do
+      post_graphql(query, current_user: user, variables: { fullPath: project.full_path })
+    end
+
+    it 'returns nil' do
+      expect(graphql_data_at(:project, :valueStreams)).to be_nil
+    end
+  end
+end