Adds unit tests to test datasource

2018-09-14 09:35:26 +02:00
parent f9b7524423
commit 6840968780
3 changed files with 107 additions and 14 deletions
@@ -0,0 +1,60 @@
+import StackdriverDataSource from '../datasource';
+import { metricDescriptors } from './testData';
+
+describe('StackdriverDataSource', () => {
+  describe('when performing testDataSource', () => {
+    describe('and call to stackdriver api succeeds', () => {
+      let ds;
+      let result;
+      beforeEach(async () => {
+        const backendSrv = {
+          async datasourceRequest() {
+            return Promise.resolve({ status: 200 });
+          },
+        };
+        ds = new StackdriverDataSource({}, backendSrv);
+        result = await ds.testDatasource();
+      });
+      it('should return successfully', () => {
+        expect(result.status).toBe('success');
+      });
+    });
+
+    describe('and a list of metricDescriptors are returned', () => {
+      let ds;
+      let result;
+      beforeEach(async () => {
+        console.log('erik', metricDescriptors);
+        const backendSrv = {
+          datasourceRequest: async () => Promise.resolve({ status: 200, data: metricDescriptors }),
+        };
+        ds = new StackdriverDataSource({}, backendSrv);
+        result = await ds.testDatasource();
+      });
+      it('should return status success', () => {
+        expect(result.status).toBe('success');
+      });
+    });
+
+    describe('and call to stackdriver api fails with 400 error', () => {
+      let ds;
+      let result;
+      beforeEach(async () => {
+        const backendSrv = {
+          datasourceRequest: async () =>
+            Promise.reject({
+              statusText: 'Bad Request',
+              data: { error: { code: 400, message: 'Field interval.endTime had an invalid value' } },
+            }),
+        };
+        ds = new StackdriverDataSource({}, backendSrv);
+        result = await ds.testDatasource();
+      });
+
+      it('should return error status and a detailed error message', () => {
+        expect(result.status).toEqual('error');
+        expect(result.message).toBe('Stackdriver: Bad Request: 400. Field interval.endTime had an invalid value');
+      });
+    });
+  });
+});