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import { GlSparklineChart } from '@gitlab/ui/dist/charts';
import { shallowMount } from '@vue/test-utils';
import Vue from 'vue';
import MemoryGraph from '~/vue_shared/components/memory_graph.vue';
describe('MemoryGraph', () => {
const Component = Vue.extend(MemoryGraph);
let wrapper;
const metrics = [
[1573586253.853, '2.87'],
[1573586313.853, '2.77734375'],
[1573586373.853, '2.77734375'],
[1573586433.853, '3.0066964285714284'],
];
afterEach(() => {
wrapper.destroy();
});
beforeEach(() => {
wrapper = shallowMount(Component, {
propsData: {
metrics,
width: 100,
height: 25,
},
});
});
describe('chartData', () => {
it('should calculate chartData', () => {
expect(wrapper.vm.chartData.length).toEqual(metrics.length);
});
it('should format date & MB values', () => {
const formattedData = [
['Nov 12 2019 19:17:33', '2.87'],
['Nov 12 2019 19:18:33', '2.78'],
['Nov 12 2019 19:19:33', '2.78'],
['Nov 12 2019 19:20:33', '3.01'],
];
expect(wrapper.vm.chartData).toEqual(formattedData);
});
});
describe('Render chart', () => {
it('should draw container with chart', () => {
expect(wrapper.element).toMatchSnapshot();
expect(wrapper.find('.memory-graph-container').exists()).toBe(true);
expect(wrapper.findComponent(GlSparklineChart).exists()).toBe(true);
});
});
});
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