3 files changed, 219 insertions, 0 deletions
diff --git a/spec/frontend/serverless/store/actions_spec.js b/spec/frontend/serverless/store/actions_spec.js
new file mode 100644
index 00000000000..aac57c75a4f
--- /dev/null
+++ b/spec/frontend/serverless/store/actions_spec.js
@@ -0,0 +1,90 @@
+import MockAdapter from 'axios-mock-adapter';
+import statusCodes from '~/lib/utils/http_status';
+import { fetchFunctions, fetchMetrics } from '~/serverless/store/actions';
+import { mockServerlessFunctions, mockMetrics } from '../mock_data';
+import axios from '~/lib/utils/axios_utils';
+import testAction from '../../helpers/vuex_action_helper';
+import { adjustMetricQuery } from '../utils';
+
+describe('ServerlessActions', () => {
+  describe('fetchFunctions', () => {
+    it('should successfully fetch functions', done => {
+      const endpoint = '/functions';
+      const mock = new MockAdapter(axios);
+      mock.onGet(endpoint).reply(statusCodes.OK, JSON.stringify(mockServerlessFunctions));
+
+      testAction(
+        fetchFunctions,
+        { functionsPath: endpoint },
+        {},
+        [],
+        [
+          { type: 'requestFunctionsLoading' },
+          { type: 'receiveFunctionsSuccess', payload: mockServerlessFunctions },
+        ],
+        () => {
+          mock.restore();
+          done();
+        },
+      );
+    });
+
+    it('should successfully retry', done => {
+      const endpoint = '/functions';
+      const mock = new MockAdapter(axios);
+      mock
+        .onGet(endpoint)
+        .reply(() => new Promise(resolve => setTimeout(() => resolve(200), Infinity)));
+
+      testAction(
+        fetchFunctions,
+        { functionsPath: endpoint },
+        {},
+        [],
+        [{ type: 'requestFunctionsLoading' }],
+        () => {
+          mock.restore();
+          done();
+        },
+      );
+    });
+  });
+
+  describe('fetchMetrics', () => {
+    it('should return no prometheus', done => {
+      const endpoint = '/metrics';
+      const mock = new MockAdapter(axios);
+      mock.onGet(endpoint).reply(statusCodes.NO_CONTENT);
+
+      testAction(
+        fetchMetrics,
+        { metricsPath: endpoint, hasPrometheus: false },
+        {},
+        [],
+        [{ type: 'receiveMetricsNoPrometheus' }],
+        () => {
+          mock.restore();
+          done();
+        },
+      );
+    });
+
+    it('should successfully fetch metrics', done => {
+      const endpoint = '/metrics';
+      const mock = new MockAdapter(axios);
+      mock.onGet(endpoint).reply(statusCodes.OK, JSON.stringify(mockMetrics));
+
+      testAction(
+        fetchMetrics,
+        { metricsPath: endpoint, hasPrometheus: true },
+        {},
+        [],
+        [{ type: 'receiveMetricsSuccess', payload: adjustMetricQuery(mockMetrics) }],
+        () => {
+          mock.restore();
+          done();
+        },
+      );
+    });
+  });
+});
diff --git a/spec/frontend/serverless/store/getters_spec.js b/spec/frontend/serverless/store/getters_spec.js
new file mode 100644
index 00000000000..fb549c8f153
--- /dev/null
+++ b/spec/frontend/serverless/store/getters_spec.js
@@ -0,0 +1,43 @@
+import serverlessState from '~/serverless/store/state';
+import * as getters from '~/serverless/store/getters';
+import { mockServerlessFunctions } from '../mock_data';
+
+describe('Serverless Store Getters', () => {
+  let state;
+
+  beforeEach(() => {
+    state = serverlessState;
+  });
+
+  describe('hasPrometheusMissingData', () => {
+    it('should return false if Prometheus is not installed', () => {
+      state.hasPrometheus = false;
+
+      expect(getters.hasPrometheusMissingData(state)).toEqual(false);
+    });
+
+    it('should return false if Prometheus is installed and there is data', () => {
+      state.hasPrometheusData = true;
+
+      expect(getters.hasPrometheusMissingData(state)).toEqual(false);
+    });
+
+    it('should return true if Prometheus is installed and there is no data', () => {
+      state.hasPrometheus = true;
+      state.hasPrometheusData = false;
+
+      expect(getters.hasPrometheusMissingData(state)).toEqual(true);
+    });
+  });
+
+  describe('getFunctions', () => {
+    it('should translate the raw function array to group the functions per environment scope', () => {
+      state.functions = mockServerlessFunctions;
+
+      const funcs = getters.getFunctions(state);
+
+      expect(Object.keys(funcs)).toContain('*');
+      expect(funcs['*'].length).toEqual(2);
+    });
+  });
+});
diff --git a/spec/frontend/serverless/store/mutations_spec.js b/spec/frontend/serverless/store/mutations_spec.js
new file mode 100644
index 00000000000..ca3053e5c38
--- /dev/null
+++ b/spec/frontend/serverless/store/mutations_spec.js
@@ -0,0 +1,86 @@
+import mutations from '~/serverless/store/mutations';
+import * as types from '~/serverless/store/mutation_types';
+import { mockServerlessFunctions, mockMetrics } from '../mock_data';
+
+describe('ServerlessMutations', () => {
+  describe('Functions List Mutations', () => {
+    it('should ensure loading is true', () => {
+      const state = {};
+
+      mutations[types.REQUEST_FUNCTIONS_LOADING](state);
+
+      expect(state.isLoading).toEqual(true);
+    });
+
+    it('should set proper state once functions are loaded', () => {
+      const state = {};
+
+      mutations[types.RECEIVE_FUNCTIONS_SUCCESS](state, mockServerlessFunctions);
+
+      expect(state.isLoading).toEqual(false);
+      expect(state.hasFunctionData).toEqual(true);
+      expect(state.functions).toEqual(mockServerlessFunctions);
+    });
+
+    it('should ensure loading has stopped and hasFunctionData is false when there are no functions available', () => {
+      const state = {};
+
+      mutations[types.RECEIVE_FUNCTIONS_NODATA_SUCCESS](state);
+
+      expect(state.isLoading).toEqual(false);
+      expect(state.hasFunctionData).toEqual(false);
+      expect(state.functions).toBe(undefined);
+    });
+
+    it('should ensure loading has stopped, and an error is raised', () => {
+      const state = {};
+
+      mutations[types.RECEIVE_FUNCTIONS_ERROR](state, 'sample error');
+
+      expect(state.isLoading).toEqual(false);
+      expect(state.hasFunctionData).toEqual(false);
+      expect(state.functions).toBe(undefined);
+      expect(state.error).not.toBe(undefined);
+    });
+  });
+
+  describe('Function Details Metrics Mutations', () => {
+    it('should ensure isLoading and hasPrometheus data flags indicate data is loaded', () => {
+      const state = {};
+
+      mutations[types.RECEIVE_METRICS_SUCCESS](state, mockMetrics);
+
+      expect(state.isLoading).toEqual(false);
+      expect(state.hasPrometheusData).toEqual(true);
+      expect(state.graphData).toEqual(mockMetrics);
+    });
+
+    it('should ensure isLoading and hasPrometheus data flags are cleared indicating no functions available', () => {
+      const state = {};
+
+      mutations[types.RECEIVE_METRICS_NODATA_SUCCESS](state);
+
+      expect(state.isLoading).toEqual(false);
+      expect(state.hasPrometheusData).toEqual(false);
+      expect(state.graphData).toBe(undefined);
+    });
+
+    it('should properly indicate an error', () => {
+      const state = {};
+
+      mutations[types.RECEIVE_METRICS_ERROR](state, 'sample error');
+
+      expect(state.hasPrometheusData).toEqual(false);
+      expect(state.error).not.toBe(undefined);
+    });
+
+    it('should properly indicate when prometheus is installed', () => {
+      const state = {};
+
+      mutations[types.RECEIVE_METRICS_NO_PROMETHEUS](state);
+
+      expect(state.hasPrometheus).toEqual(false);
+      expect(state.hasPrometheusData).toEqual(false);
+    });
+  });
+});