diff options
Diffstat (limited to 'spec/javascripts/vue_mr_widget/components/mr_widget_memory_usage_spec.js')
-rw-r--r-- | spec/javascripts/vue_mr_widget/components/mr_widget_memory_usage_spec.js | 184 |
1 files changed, 184 insertions, 0 deletions
diff --git a/spec/javascripts/vue_mr_widget/components/mr_widget_memory_usage_spec.js b/spec/javascripts/vue_mr_widget/components/mr_widget_memory_usage_spec.js new file mode 100644 index 00000000000..da9dff18ada --- /dev/null +++ b/spec/javascripts/vue_mr_widget/components/mr_widget_memory_usage_spec.js @@ -0,0 +1,184 @@ +import Vue from 'vue'; +import memoryUsageComponent from '~/vue_merge_request_widget/components/mr_widget_memory_usage'; +import MRWidgetService from '~/vue_merge_request_widget/services/mr_widget_service'; + +const url = '/root/acets-review-apps/environments/15/deployments/1/metrics'; + +const metricsMockData = { + success: true, + metrics: { + memory_values: [ + { + metric: {}, + values: [ + [1493716685, '4.30859375'], + ], + }, + ], + }, + last_update: '2017-05-02T12:34:49.628Z', + deployment_time: 1493718485, +}; + +const createComponent = () => { + const Component = Vue.extend(memoryUsageComponent); + + return new Component({ + el: document.createElement('div'), + propsData: { + metricsUrl: url, + memoryMetrics: [], + deploymentTime: 0, + hasMetrics: false, + loadFailed: false, + loadingMetrics: true, + backOffRequestCounter: 0, + }, + }); +}; + +const messages = { + loadingMetrics: 'Loading deployment statistics.', + hasMetrics: 'Deployment memory usage:', + loadFailed: 'Failed to load deployment statistics.', + metricsUnavailable: 'Deployment statistics are not available currently.', +}; + +describe('MemoryUsage', () => { + let vm; + let el; + + beforeEach(() => { + vm = createComponent(); + el = vm.$el; + }); + + describe('props', () => { + it('should have props with defaults', () => { + const { metricsUrl } = memoryUsageComponent.props; + const MetricsUrlTypeClass = metricsUrl.type; + + Vue.nextTick(() => { + expect(new MetricsUrlTypeClass() instanceof String).toBeTruthy(); + expect(metricsUrl.required).toBeTruthy(); + }); + }); + }); + + describe('data', () => { + it('should have default data', () => { + const data = memoryUsageComponent.data(); + + expect(Array.isArray(data.memoryMetrics)).toBeTruthy(); + expect(data.memoryMetrics.length).toBe(0); + + expect(typeof data.deploymentTime).toBe('number'); + expect(data.deploymentTime).toBe(0); + + expect(typeof data.hasMetrics).toBe('boolean'); + expect(data.hasMetrics).toBeFalsy(); + + expect(typeof data.loadFailed).toBe('boolean'); + expect(data.loadFailed).toBeFalsy(); + + expect(typeof data.loadingMetrics).toBe('boolean'); + expect(data.loadingMetrics).toBeTruthy(); + + expect(typeof data.backOffRequestCounter).toBe('number'); + expect(data.backOffRequestCounter).toBe(0); + }); + }); + + describe('methods', () => { + const { metrics, deployment_time } = metricsMockData; + + describe('computeGraphData', () => { + it('should populate sparkline graph', () => { + vm.computeGraphData(metrics, deployment_time); + const { hasMetrics, memoryMetrics, deploymentTime } = vm; + + expect(hasMetrics).toBeTruthy(); + expect(memoryMetrics.length > 0).toBeTruthy(); + expect(deploymentTime).toEqual(deployment_time); + }); + }); + + describe('loadMetrics', () => { + const returnServicePromise = () => new Promise((resolve) => { + resolve({ + json() { + return metricsMockData; + }, + }); + }); + + it('should load metrics data using MRWidgetService', (done) => { + spyOn(MRWidgetService, 'fetchMetrics').and.returnValue(returnServicePromise(true)); + spyOn(vm, 'computeGraphData'); + + vm.loadMetrics(); + setTimeout(() => { + expect(MRWidgetService.fetchMetrics).toHaveBeenCalledWith(url); + expect(vm.computeGraphData).toHaveBeenCalledWith(metrics, deployment_time); + done(); + }, 333); + }); + }); + }); + + describe('template', () => { + it('should render template elements correctly', () => { + expect(el.classList.contains('mr-memory-usage')).toBeTruthy(); + expect(el.querySelector('.js-usage-info')).toBeDefined(); + }); + + it('should show loading metrics message while metrics are being loaded', (done) => { + vm.loadingMetrics = true; + vm.hasMetrics = false; + vm.loadFailed = false; + + Vue.nextTick(() => { + expect(el.querySelector('.js-usage-info.usage-info-loading')).toBeDefined(); + expect(el.querySelector('.js-usage-info .usage-info-load-spinner')).toBeDefined(); + expect(el.querySelector('.js-usage-info').innerText).toContain(messages.loadingMetrics); + done(); + }); + }); + + it('should show deployment memory usage when metrics are loaded', (done) => { + vm.loadingMetrics = false; + vm.hasMetrics = true; + vm.loadFailed = false; + + Vue.nextTick(() => { + expect(el.querySelector('.memory-graph-container')).toBeDefined(); + expect(el.querySelector('.js-usage-info').innerText).toContain(messages.hasMetrics); + done(); + }); + }); + + it('should show failure message when metrics loading failed', (done) => { + vm.loadingMetrics = false; + vm.hasMetrics = false; + vm.loadFailed = true; + + Vue.nextTick(() => { + expect(el.querySelector('.js-usage-info.usage-info-failed')).toBeDefined(); + expect(el.querySelector('.js-usage-info').innerText).toContain(messages.loadFailed); + done(); + }); + }); + + it('should show metrics unavailable message when metrics loading failed', (done) => { + vm.loadingMetrics = false; + vm.hasMetrics = false; + vm.loadFailed = false; + + Vue.nextTick(() => { + expect(el.querySelector('.js-usage-info.usage-info-unavailable')).toBeDefined(); + expect(el.querySelector('.js-usage-info').innerText).toContain(messages.metricsUnavailable); + done(); + }); + }); + }); +}); |