WIP pass the failed tests.

common/routes/budget_reports.js

@@ -0,0 +1,67 @@
+import {
+  request,
+  expect,
+  create,
+  login,
+} from '~/testInit';
+let loginRes;
+
+describe('routes: `/budget_reports`', () => {
+  beforeEach(async () => {
+    loginRes = await login();
+  });
+  afterEach(() => {
+    loginRes = null;
+  });
+
+  describe('GET: `/budget_verses_actual/:reportId`', () => {
+    it('Should retrieve columns of budget year range with quarter period.', async () => {
+      const budget = await create('budget', { period: 'quarter' });
+      const budgetEntry = await create('budget_entry', { budget_id: budget.id });
+
+      const res = await request()
+        .get(`/api/budget_reports/budget_verses_actual/${budget.id}`)
+        .set('x-access-token', loginRes.body.token)
+        .send();
+
+      expect(res.body.columns.length).equals(4);
+    });
+
+    it('Should retrieve columns of budget year range with month period.', async () => {
+      const budget = await create('budget', { period: 'month' });
+      const budgetEntry = await create('budget_entry', { budget_id: budget.id });
+
+      const res = await request()
+        .get(`/api/budget_reports/budget_verses_actual/${budget.id}`)
+        .set('x-access-token', loginRes.body.token)
+        .send();
+
+      expect(res.body.columns.length).equals(12);
+    });
+
+    it('Should retrieve columns of budget year range with year period.', async () => {
+      const budget = await create('budget', { period: 'year' });
+      const budgetEntry = await create('budget_entry', { budget_id: budget.id });
+
+      const res = await request()
+        .get(`/api/budget_reports/budget_verses_actual/${budget.id}`)
+        .set('x-access-token', loginRes.body.token)
+        .send();
+
+      expect(res.body.columns.length).equals(1);
+    });
+
+    it('Should retrieve columns of budget year range with half-year period.', async () => {
+      const budget = await create('budget', { period: 'half-year' });
+      const budgetEntry = await create('budget_entry', { budget_id: budget.id });
+
+      const res = await request()
+        .get(`/api/budget_reports/budget_verses_actual/${budget.id}`)
+        .set('x-access-token', loginRes.body.token)
+        .send();
+
+      expect(res.body.columns.length).equals(2);
+    });
+
+  });
+});