[Infra UI] Test for metrics GraphQL endpoint (elastic#24179)

* [Infra UI] Test for metrics GraphQL endpoint

* Moving apollo-boost to devDeps

* Converting tests to typescript

* Renaming infraops to infra

x-pack/test/api_integration/apis/index.js

@@ -12,6 +12,7 @@ export default function ({ loadTestFile }) {
     loadTestFile(require.resolve('./xpack_main'));
     loadTestFile(require.resolve('./logstash'));
     loadTestFile(require.resolve('./kibana'));
+    loadTestFile(require.resolve('./infra'));
     loadTestFile(require.resolve('./beats'));
   });
 }

x-pack/test/api_integration/apis/infra/index.js

@@ -0,0 +1,12 @@
+/*
+ * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
+ * or more contributor license agreements. Licensed under the Elastic License;
+ * you may not use this file except in compliance with the Elastic License.
+ */
+
+
+export default function ({ loadTestFile }) {
+  describe('InfraOps GraphQL Endpoints', () => {
+    loadTestFile(require.resolve('./metrics'));
+  });
+}

x-pack/test/api_integration/apis/infra/metrics.ts

@@ -0,0 +1,77 @@
+/*
+ * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
+ * or more contributor license agreements. Licensed under the Elastic License;
+ * you may not use this file except in compliance with the Elastic License.
+ */
+
+import expect from 'expect.js';
+import { first, last } from 'lodash';
+import { MetricsQuery } from '../../../../plugins/infra/common/graphql/types';
+import { metricsQuery } from '../../../../plugins/infra/public/containers/metrics/metrics.gql_query';
+import { KbnTestProvider } from './types';
+
+const metricTests: KbnTestProvider = ({ getService }) => {
+  const esArchiver = getService('esArchiver');
+  const client = getService('infraOpsGraphQLClient');
+
+  describe('metrics', () => {
+    before(() => esArchiver.load('infra'));
+    after(() => esArchiver.unload('infra'));
+
+    it('should basically work', () => {
+      return client
+        .query<MetricsQuery.Query>({
+          query: metricsQuery,
+          variables: {
+            sourceId: 'default',
+            metrics: ['hostCpuUsage'],
+            timerange: {
+              to: 1539806283952,
+              from: 1539805341208,
+              interval: '>=1m',
+            },
+            nodeId: 'demo-stack-nginx-01',
+            nodeType: 'host',
+          },
+        })
+        .then(resp => {
+          const { metrics } = resp.data.source;
+          expect(metrics.length).to.equal(1);
+          const metric = first(metrics);
+          expect(metric).to.have.property('id', 'hostCpuUsage');
+          expect(metric).to.have.property('series');
+          const series = first(metric.series);
+          expect(series).to.have.property('id', 'user');
+          expect(series).to.have.property('data');
+          const datapoint = last(series.data);
+          expect(datapoint).to.have.property('timestamp', 1539806220000);
+          expect(datapoint).to.have.property('value', 0.0065);
+        });
+    });
+
+    it('should support multiple metrics', () => {
+      return client
+        .query<MetricsQuery.Query>({
+          query: metricsQuery,
+          variables: {
+            sourceId: 'default',
+            metrics: ['hostCpuUsage', 'hostLoad'],
+            timerange: {
+              to: 1539806283952,
+              from: 1539805341208,
+              interval: '>=1m',
+            },
+            nodeId: 'demo-stack-nginx-01',
+            nodeType: 'host',
+          },
+        })
+        .then(resp => {
+          const { metrics } = resp.data.source;
+          expect(metrics.length).to.equal(2);
+        });
+    });
+  });
+};
+
+// tslint:disable-next-line no-default-export
+export default metricTests;

x-pack/test/api_integration/apis/infra/types.ts

@@ -0,0 +1,21 @@
+/*
+ * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
+ * or more contributor license agreements. Licensed under the Elastic License;
+ * you may not use this file except in compliance with the Elastic License.
+ */
+
+import { InMemoryCache } from 'apollo-cache-inmemory';
+import { ApolloClient } from 'apollo-client';
+
+export interface EsArchiver {
+  load(name: string): void;
+  unload(name: string): void;
+}
+
+export interface KbnTestProviderOptions {
+  getService(name: string): any;
+  getService(name: 'esArchiver'): EsArchiver;
+  getService(name: 'infraOpsGraphQLClient'): ApolloClient<InMemoryCache>;
+}
+
+export type KbnTestProvider = (options: KbnTestProviderOptions) => void;

x-pack/test/api_integration/config.js

@@ -9,6 +9,7 @@ import {
   EsSupertestWithoutAuthProvider,
   SupertestWithoutAuthProvider,
   UsageAPIProvider,
+  InfraOpsGraphQLProvider
 } from './services';
 
 export default async function ({ readConfigFile }) {
@@ -25,6 +26,7 @@ export default async function ({ readConfigFile }) {
       esSupertest: kibanaAPITestsConfig.get('services.esSupertest'),
       supertestWithoutAuth: SupertestWithoutAuthProvider,
       esSupertestWithoutAuth: EsSupertestWithoutAuthProvider,
+      infraOpsGraphQLClient: InfraOpsGraphQLProvider,
       es: EsProvider,
       esArchiver: kibanaCommonConfig.get('services.esArchiver'),
       usageAPI: UsageAPIProvider,

x-pack/test/api_integration/services/index.js

@@ -8,3 +8,4 @@ export { EsProvider } from './es';
 export { EsSupertestWithoutAuthProvider } from './es_supertest_without_auth';
 export { SupertestWithoutAuthProvider } from './supertest_without_auth';
 export { UsageAPIProvider } from './usage_api';
+export { InfraOpsGraphQLProvider } from './infraops_graphql_client';

x-pack/test/api_integration/services/infraops_graphql_client.js

@@ -0,0 +1,30 @@
+/*
+ * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
+ * or more contributor license agreements. Licensed under the Elastic License;
+ * you may not use this file except in compliance with the Elastic License.
+ */
+
+import { format as formatUrl } from 'url';
+import fetch from 'node-fetch';
+import { InMemoryCache } from 'apollo-cache-inmemory';
+import { ApolloClient } from 'apollo-client';
+import { HttpLink } from 'apollo-link-http';
+
+export function InfraOpsGraphQLProvider({ getService }) {
+  const config = getService('config');
+  const kbnURL = formatUrl(config.get('servers.kibana'));
+
+  return new ApolloClient({
+    cache: new InMemoryCache(),
+    link: new HttpLink({
+      credentials: 'same-origin',
+      fetch,
+      headers: {
+        'kbn-xsrf': 'xxx',
+      },
+      uri: `${kbnURL}/api/infra/graphql`,
+    }),
+  });
+
+}
+