Move karma serverless tests to jest for isolation

These tests cause master failures because of an overflow
in vue-test-utils sync watcher setup.

8 files changed, 514 insertions, 0 deletions

diff --git a/spec/frontend/serverless/components/area_spec.js b/spec/frontend/serverless/components/area_spec.js
new file mode 100644
index 00000000000..2be6ac3d268
--- /dev/null
+++ b/spec/frontend/serverless/components/area_spec.js
@@ -0,0 +1,121 @@
+import { shallowMount } from '@vue/test-utils';
+import Area from '~/serverless/components/area.vue';
+import { mockNormalizedMetrics } from '../mock_data';
+
+describe('Area component', () => {
+  const mockWidgets = 'mockWidgets';
+  const mockGraphData = mockNormalizedMetrics;
+  let areaChart;
+
+  beforeEach(() => {
+    areaChart = shallowMount(Area, {
+      propsData: {
+        graphData: mockGraphData,
+        containerWidth: 0,
+      },
+      slots: {
+        default: mockWidgets,
+      },
+    });
+  });
+
+  afterEach(() => {
+    areaChart.destroy();
+  });
+
+  it('renders chart title', () => {
+    expect(areaChart.find({ ref: 'graphTitle' }).text()).toBe(mockGraphData.title);
+  });
+
+  it('contains graph widgets from slot', () => {
+    expect(areaChart.find({ ref: 'graphWidgets' }).text()).toBe(mockWidgets);
+  });
+
+  describe('methods', () => {
+    describe('formatTooltipText', () => {
+      const mockDate = mockNormalizedMetrics.queries[0].result[0].values[0].time;
+      const generateSeriesData = type => ({
+        seriesData: [
+          {
+            componentSubType: type,
+            value: [mockDate, 4],
+          },
+        ],
+        value: mockDate,
+      });
+
+      describe('series is of line type', () => {
+        beforeEach(() => {
+          areaChart.vm.formatTooltipText(generateSeriesData('line'));
+        });
+
+        it('formats tooltip title', () => {
+          expect(areaChart.vm.tooltipPopoverTitle).toBe('28 Feb 2019, 11:11AM');
+        });
+
+        it('formats tooltip content', () => {
+          expect(areaChart.vm.tooltipPopoverContent).toBe('Invocations (requests): 4');
+        });
+      });
+
+      it('verify default interval value of 1', () => {
+        expect(areaChart.vm.getInterval).toBe(1);
+      });
+    });
+
+    describe('onResize', () => {
+      const mockWidth = 233;
+
+      beforeEach(() => {
+        spyOn(Element.prototype, 'getBoundingClientRect').and.callFake(() => ({
+          width: mockWidth,
+        }));
+        areaChart.vm.onResize();
+      });
+
+      it('sets area chart width', () => {
+        expect(areaChart.vm.width).toBe(mockWidth);
+      });
+    });
+  });
+
+  describe('computed', () => {
+    describe('chartData', () => {
+      it('utilizes all data points', () => {
+        expect(Object.keys(areaChart.vm.chartData)).toEqual(['requests']);
+        expect(areaChart.vm.chartData.requests.length).toBe(2);
+      });
+
+      it('creates valid data', () => {
+        const data = areaChart.vm.chartData.requests;
+
+        expect(
+          data.filter(
+            datum => new Date(datum.time).getTime() > 0 && typeof datum.value === 'number',
+          ).length,
+        ).toBe(data.length);
+      });
+    });
+
+    describe('generateSeries', () => {
+      it('utilizes correct time data', () => {
+        expect(areaChart.vm.generateSeries.data).toEqual([
+          ['2019-02-28T11:11:38.756Z', 0],
+          ['2019-02-28T11:12:38.756Z', 0],
+        ]);
+      });
+    });
+
+    describe('xAxisLabel', () => {
+      it('constructs a label for the chart x-axis', () => {
+        expect(areaChart.vm.xAxisLabel).toBe('invocations / minute');
+      });
+    });
+
+    describe('yAxisLabel', () => {
+      it('constructs a label for the chart y-axis', () => {
+        expect(areaChart.vm.yAxisLabel).toBe('Invocations (requests)');
+      });
+    });
+  });
+});
diff --git a/spec/frontend/serverless/components/environment_row_spec.js b/spec/frontend/serverless/components/environment_row_spec.js
new file mode 100644
index 00000000000..932d712dbec
--- /dev/null
+++ b/spec/frontend/serverless/components/environment_row_spec.js
@@ -0,0 +1,70 @@
+import environmentRowComponent from '~/serverless/components/environment_row.vue';
+import { createLocalVue, shallowMount } from '@vue/test-utils';
+
+import { mockServerlessFunctions, mockServerlessFunctionsDiffEnv } from '../mock_data';
+import { translate } from '~/serverless/utils';
+
+const createComponent = (localVue, env, envName) =>
+  shallowMount(environmentRowComponent, { localVue, propsData: { env, envName } }).vm;
+
+describe('environment row component', () => {
+  describe('default global cluster case', () => {
+    let localVue;
+    let vm;
+
+    beforeEach(() => {
+      localVue = createLocalVue();
+      vm = createComponent(localVue, translate(mockServerlessFunctions)['*'], '*');
+    });
+
+    afterEach(() => vm.$destroy());
+
+    it('has the correct envId', () => {
+      expect(vm.envId).toEqual('env-global');
+    });
+
+    it('is open by default', () => {
+      expect(vm.isOpenClass).toEqual({ 'is-open': true });
+    });
+
+    it('generates correct output', () => {
+      expect(vm.$el.id).toEqual('env-global');
+      expect(vm.$el.classList.contains('is-open')).toBe(true);
+      expect(vm.$el.querySelector('div.title').innerHTML.trim()).toEqual('*');
+    });
+
+    it('opens and closes correctly', () => {
+      expect(vm.isOpen).toBe(true);
+
+      vm.toggleOpen();
+
+      expect(vm.isOpen).toBe(false);
+    });
+  });
+
+  describe('default named cluster case', () => {
+    let vm;
+    let localVue;
+
+    beforeEach(() => {
+      localVue = createLocalVue();
+      vm = createComponent(localVue, translate(mockServerlessFunctionsDiffEnv).test, 'test');
+    });
+
+    afterEach(() => vm.$destroy());
+
+    it('has the correct envId', () => {
+      expect(vm.envId).toEqual('env-test');
+    });
+
+    it('is open by default', () => {
+      expect(vm.isOpenClass).toEqual({ 'is-open': true });
+    });
+
+    it('generates correct output', () => {
+      expect(vm.$el.id).toEqual('env-test');
+      expect(vm.$el.classList.contains('is-open')).toBe(true);
+      expect(vm.$el.querySelector('div.title').innerHTML.trim()).toEqual('test');
+    });
+  });
+});
diff --git a/spec/frontend/serverless/components/function_details_spec.js b/spec/frontend/serverless/components/function_details_spec.js
new file mode 100644
index 00000000000..a29d4a296ef
--- /dev/null
+++ b/spec/frontend/serverless/components/function_details_spec.js
@@ -0,0 +1,113 @@
+import Vuex from 'vuex';
+
+import functionDetailsComponent from '~/serverless/components/function_details.vue';
+import { createLocalVue, shallowMount } from '@vue/test-utils';
+import { createStore } from '~/serverless/store';
+
+describe('functionDetailsComponent', () => {
+  let localVue;
+  let component;
+  let store;
+
+  beforeEach(() => {
+    localVue = createLocalVue();
+    localVue.use(Vuex);
+
+    store = createStore();
+  });
+
+  afterEach(() => {
+    component.vm.$destroy();
+  });
+
+  describe('Verify base functionality', () => {
+    const serviceStub = {
+      name: 'test',
+      description: 'a description',
+      environment: '*',
+      url: 'http://service.com/test',
+      namespace: 'test-ns',
+      podcount: 0,
+      metricsUrl: '/metrics',
+    };
+
+    it('has a name, description, URL, and no pods loaded', () => {
+      component = shallowMount(functionDetailsComponent, {
+        localVue,
+        store,
+        propsData: {
+          func: serviceStub,
+          hasPrometheus: false,
+          clustersPath: '/clusters',
+          helpPath: '/help',
+        },
+      });
+
+      expect(
+        component.vm.$el.querySelector('.serverless-function-name').innerHTML.trim(),
+      ).toContain('test');
+
+      expect(
+        component.vm.$el.querySelector('.serverless-function-description').innerHTML.trim(),
+      ).toContain('a description');
+
+      expect(component.vm.$el.querySelector('p').innerHTML.trim()).toContain(
+        'No pods loaded at this time.',
+      );
+    });
+
+    it('has a pods loaded', () => {
+      serviceStub.podcount = 1;
+
+      component = shallowMount(functionDetailsComponent, {
+        localVue,
+        store,
+        propsData: {
+          func: serviceStub,
+          hasPrometheus: false,
+          clustersPath: '/clusters',
+          helpPath: '/help',
+        },
+      });
+
+      expect(component.vm.$el.querySelector('p').innerHTML.trim()).toContain('1 pod in use');
+    });
+
+    it('has multiple pods loaded', () => {
+      serviceStub.podcount = 3;
+
+      component = shallowMount(functionDetailsComponent, {
+        localVue,
+        store,
+        propsData: {
+          func: serviceStub,
+          hasPrometheus: false,
+          clustersPath: '/clusters',
+          helpPath: '/help',
+        },
+      });
+
+      expect(component.vm.$el.querySelector('p').innerHTML.trim()).toContain('3 pods in use');
+    });
+
+    it('can support a missing description', () => {
+      serviceStub.description = null;
+
+      component = shallowMount(functionDetailsComponent, {
+        localVue,
+        store,
+        propsData: {
+          func: serviceStub,
+          hasPrometheus: false,
+          clustersPath: '/clusters',
+          helpPath: '/help',
+        },
+      });
+
+      expect(
+        component.vm.$el.querySelector('.serverless-function-description').querySelector('div')
+          .innerHTML.length,
+      ).toEqual(0);
+    });
+  });
+});
diff --git a/spec/frontend/serverless/components/function_row_spec.js b/spec/frontend/serverless/components/function_row_spec.js
new file mode 100644
index 00000000000..3987e1753bd
--- /dev/null
+++ b/spec/frontend/serverless/components/function_row_spec.js
@@ -0,0 +1,26 @@
+import functionRowComponent from '~/serverless/components/function_row.vue';
+import { shallowMount } from '@vue/test-utils';
+
+import { mockServerlessFunction } from '../mock_data';
+
+const createComponent = func => shallowMount(functionRowComponent, { propsData: { func } }).vm;
+
+describe('functionRowComponent', () => {
+  it('Parses the function details correctly', () => {
+    const vm = createComponent(mockServerlessFunction);
+
+    expect(vm.$el.querySelector('b').innerHTML).toEqual(mockServerlessFunction.name);
+    expect(vm.$el.querySelector('span').innerHTML).toEqual(mockServerlessFunction.image);
+    expect(vm.$el.querySelector('timeago-stub').getAttribute('time')).not.toBe(null);
+
+    vm.$destroy();
+  });
+
+  it('handles clicks correctly', () => {
+    const vm = createComponent(mockServerlessFunction);
+
+    expect(vm.checkClass(vm.$el.querySelector('p'))).toBe(true); // check somewhere inside the row
+
+    vm.$destroy();
+  });
+});
diff --git a/spec/frontend/serverless/components/functions_spec.js b/spec/frontend/serverless/components/functions_spec.js
new file mode 100644
index 00000000000..c32978ea58a
--- /dev/null
+++ b/spec/frontend/serverless/components/functions_spec.js
@@ -0,0 +1,101 @@
+import Vuex from 'vuex';
+
+import functionsComponent from '~/serverless/components/functions.vue';
+import { createLocalVue, shallowMount } from '@vue/test-utils';
+import { createStore } from '~/serverless/store';
+import { mockServerlessFunctions } from '../mock_data';
+
+describe('functionsComponent', () => {
+  let component;
+  let store;
+  let localVue;
+
+  beforeEach(() => {
+    localVue = createLocalVue();
+    localVue.use(Vuex);
+
+    store = createStore();
+  });
+
+  afterEach(() => {
+    component.vm.$destroy();
+  });
+
+  it('should render empty state when Knative is not installed', () => {
+    component = shallowMount(functionsComponent, {
+      localVue,
+      store,
+      propsData: {
+        installed: false,
+        clustersPath: '',
+        helpPath: '',
+        statusPath: '',
+      },
+      sync: false,
+    });
+
+    expect(component.vm.$el.querySelector('emptystate-stub')).not.toBe(null);
+  });
+
+  it('should render a loading component', () => {
+    store.dispatch('requestFunctionsLoading');
+    component = shallowMount(functionsComponent, {
+      localVue,
+      store,
+      propsData: {
+        installed: true,
+        clustersPath: '',
+        helpPath: '',
+        statusPath: '',
+      },
+      sync: false,
+    });
+
+    expect(component.vm.$el.querySelector('glloadingicon-stub')).not.toBe(null);
+  });
+
+  it('should render empty state when there is no function data', () => {
+    store.dispatch('receiveFunctionsNoDataSuccess');
+    component = shallowMount(functionsComponent, {
+      localVue,
+      store,
+      propsData: {
+        installed: true,
+        clustersPath: '',
+        helpPath: '',
+        statusPath: '',
+      },
+      sync: false,
+    });
+
+    expect(
+      component.vm.$el
+        .querySelector('.empty-state, .js-empty-state')
+        .classList.contains('js-empty-state'),
+    ).toBe(true);
+
+    expect(component.vm.$el.querySelector('.state-title, .text-center').innerHTML.trim()).toEqual(
+      'No functions available',
+    );
+  });
+
+  it('should render the functions list', () => {
+    component = shallowMount(functionsComponent, {
+      localVue,
+      store,
+      propsData: {
+        installed: true,
+        clustersPath: '',
+        helpPath: '',
+        statusPath: '',
+      },
+      sync: false,
+    });
+
+    component.vm.$store.dispatch('receiveFunctionsSuccess', mockServerlessFunctions);
+
+    return component.vm.$nextTick().then(() => {
+      expect(component.vm.$el.querySelector('environmentrow-stub')).not.toBe(null);
+    });
+  });
+});
diff --git a/spec/frontend/serverless/components/missing_prometheus_spec.js b/spec/frontend/serverless/components/missing_prometheus_spec.js
new file mode 100644
index 00000000000..77aca03772b
--- /dev/null
+++ b/spec/frontend/serverless/components/missing_prometheus_spec.js
@@ -0,0 +1,37 @@
+import missingPrometheusComponent from '~/serverless/components/missing_prometheus.vue';
+import { shallowMount } from '@vue/test-utils';
+
+const createComponent = missingData =>
+  shallowMount(missingPrometheusComponent, {
+    propsData: {
+      clustersPath: '/clusters',
+      helpPath: '/help',
+      missingData,
+    },
+  }).vm;
+
+describe('missingPrometheusComponent', () => {
+  let vm;
+
+  afterEach(() => {
+    vm.$destroy();
+  });
+
+  it('should render missing prometheus message', () => {
+    vm = createComponent(false);
+
+    expect(vm.$el.querySelector('.state-description').innerHTML.trim()).toContain(
+      'Function invocation metrics require Prometheus to be installed first.',
+    );
+
+    expect(vm.$el.querySelector('glbutton-stub').getAttribute('variant')).toEqual('success');
+  });
+
+  it('should render no prometheus data message', () => {
+    vm = createComponent(true);
+
+    expect(vm.$el.querySelector('.state-description').innerHTML.trim()).toContain(
+      'Invocation metrics loading or not available at this time.',
+    );
+  });
+});
diff --git a/spec/frontend/serverless/components/pod_box_spec.js b/spec/frontend/serverless/components/pod_box_spec.js
new file mode 100644
index 00000000000..69ac1a2bb5f
--- /dev/null
+++ b/spec/frontend/serverless/components/pod_box_spec.js
@@ -0,0 +1,22 @@
+import podBoxComponent from '~/serverless/components/pod_box.vue';
+import { shallowMount } from '@vue/test-utils';
+
+const createComponent = count =>
+  shallowMount(podBoxComponent, {
+    propsData: {
+      count,
+    },
+  }).vm;
+
+describe('podBoxComponent', () => {
+  it('should render three boxes', () => {
+    const count = 3;
+    const vm = createComponent(count);
+    const rects = vm.$el.querySelectorAll('rect');
+
+    expect(rects.length).toEqual(3);
+    expect(parseInt(rects[2].getAttribute('x'), 10)).toEqual(40);
+
+    vm.$destroy();
+  });
+});
diff --git a/spec/frontend/serverless/components/url_spec.js b/spec/frontend/serverless/components/url_spec.js
new file mode 100644
index 00000000000..08c3e4146b1
--- /dev/null
+++ b/spec/frontend/serverless/components/url_spec.js
@@ -0,0 +1,24 @@
+import Vue from 'vue';
+import urlComponent from '~/serverless/components/url.vue';
+import { shallowMount } from '@vue/test-utils';
+
+const createComponent = uri =>
+  shallowMount(Vue.extend(urlComponent), {
+    propsData: {
+      uri,
+    },
+  }).vm;
+
+describe('urlComponent', () => {
+  it('should render correctly', () => {
+    const uri = 'http://testfunc.apps.example.com';
+    const vm = createComponent(uri);
+
+    expect(vm.$el.classList.contains('clipboard-group')).toBe(true);
+    expect(vm.$el.querySelector('clipboardbutton-stub').getAttribute('text')).toEqual(uri);
+
+    expect(vm.$el.querySelector('.url-text-field').innerHTML).toEqual(uri);
+
+    vm.$destroy();
+  });
+});