1 files changed, 77 insertions, 0 deletions
diff --git a/spec/frontend/cycle_analytics/utils_spec.js b/spec/frontend/cycle_analytics/utils_spec.js
new file mode 100644
index 00000000000..73e26e1cdcc
--- /dev/null
+++ b/spec/frontend/cycle_analytics/utils_spec.js
@@ -0,0 +1,77 @@
+import { decorateEvents, decorateData } from '~/cycle_analytics/utils';
+import { selectedStage, rawData, convertedData, rawEvents } from './mock_data';
+
+describe('Value stream analytics utils', () => {
+  describe('decorateEvents', () => {
+    const [result] = decorateEvents(rawEvents, selectedStage);
+    const eventKeys = Object.keys(result);
+    const authorKeys = Object.keys(result.author);
+    it('will return the same number of events', () => {
+      expect(decorateEvents(rawEvents, selectedStage).length).toBe(rawEvents.length);
+    });
+
+    it('will set all the required event fields', () => {
+      ['totalTime', 'author', 'createdAt', 'shortSha', 'commitUrl'].forEach((key) => {
+        expect(eventKeys).toContain(key);
+      });
+      ['webUrl', 'avatarUrl'].forEach((key) => {
+        expect(authorKeys).toContain(key);
+      });
+    });
+
+    it('will remove unused fields', () => {
+      ['total_time', 'created_at', 'short_sha', 'commit_url'].forEach((key) => {
+        expect(eventKeys).not.toContain(key);
+      });
+
+      ['web_url', 'avatar_url'].forEach((key) => {
+        expect(authorKeys).not.toContain(key);
+      });
+    });
+  });
+
+  describe('decorateData', () => {
+    const result = decorateData(rawData);
+    it('returns the summary data', () => {
+      expect(result.summary).toEqual(convertedData.summary);
+    });
+
+    it('returns the stages data', () => {
+      expect(result.stages).toEqual(convertedData.stages);
+    });
+
+    it('returns each of the default value stream stages', () => {
+      const stages = result.stages.map(({ name }) => name);
+      ['issue', 'plan', 'code', 'test', 'review', 'staging'].forEach((stageName) => {
+        expect(stages).toContain(stageName);
+      });
+    });
+
+    it('returns `-` for summary data that has no value', () => {
+      const singleSummaryResult = decorateData({
+        stats: [],
+        permissions: { issue: true },
+        summary: [{ value: null, title: 'Commits' }],
+      });
+      expect(singleSummaryResult.summary).toEqual([{ value: '-', title: 'Commits' }]);
+    });
+
+    it('returns additional fields for each stage', () => {
+      const singleStageResult = decorateData({
+        stats: [{ name: 'issue', value: null }],
+        permissions: { issue: false },
+      });
+      const stage = singleStageResult.stages[0];
+      const txt =
+        'The issue stage shows the time it takes from creating an issue to assigning the issue to a milestone, or add the issue to a list on your Issue Board. Begin creating issues to see data for this stage.';
+
+      expect(stage).toMatchObject({
+        active: false,
+        isUserAllowed: false,
+        emptyStageText: txt,
+        slug: 'issue',
+        component: 'stage-issue-component',
+      });
+    });
+  });
+});