68 lines
2.9 KiB
JavaScript
68 lines
2.9 KiB
JavaScript
import React from 'react';
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import expect from 'expect';
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import TestUtils from 'react-addons-test-utils';
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import ProgressBar, { ProgressBar as RawProgressBar } from '../ProgressBar';
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import theme from '../theme.scss';
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import utils from '../../utils/testing';
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describe('ProgressBar', function () {
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let progressBar;
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describe('#calculateRatio', function () {
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before(function () {
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const tree = TestUtils.renderIntoDocument(<ProgressBar min={100} max={300} theme={theme} />);
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progressBar = TestUtils.findRenderedComponentWithType(tree, RawProgressBar);
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});
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it('calculates the right ratio', function () {
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expect(progressBar.calculateRatio(150)).toEqual(0.25);
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});
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it('gets 0 when value is less than min', function () {
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expect(progressBar.calculateRatio(10)).toEqual(0);
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});
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it('gets 1 when value is more than max', function () {
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expect(progressBar.calculateRatio(400)).toEqual(1);
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});
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});
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describe('#render', function () {
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let buffer, value, wrapper, circle, strokeLength;
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it('renders the value and buffer bars when it is linear', function () {
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wrapper = utils.shallowRenderComponent(RawProgressBar, {theme}).props.children;
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expect(wrapper.props.children.length).toEqual(2);
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expect(wrapper.props.children[0].ref).toEqual('buffer');
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expect(wrapper.props.children[1].ref).toEqual('value');
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});
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it('renders the value and buffer bars when it is linear', function () {
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progressBar = utils.shallowRenderComponent(RawProgressBar, {mode: 'determinate', value: 30, buffer: 60, theme});
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buffer = (progressBar.props.children.props.children[0]);
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value = (progressBar.props.children.props.children[1]);
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expect(buffer.props.style.transform).toEqual(`scaleX(${0.6})`);
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expect(value.props.style.transform).toEqual(`scaleX(${0.3})`);
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});
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it('renders the svg circle when it is circular', function () {
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progressBar = utils.shallowRenderComponent(RawProgressBar, {type: 'circular', theme});
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expect(progressBar.props.children.type).toEqual('svg');
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expect(progressBar.props.children.props.children.type).toEqual('circle');
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});
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it('renders the proper circle length style when it is circular and determinate', function () {
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progressBar = utils.shallowRenderComponent(RawProgressBar, {type: 'circular', mode: 'determinate', value: 30, theme});
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circle = progressBar.props.children.props.children;
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strokeLength = 2 * Math.PI * circle.props.r * 0.3;
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expect(circle.props.style.strokeDasharray).toEqual(`${strokeLength}, 400`);
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});
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it('contains mode and className in its className', function () {
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progressBar = utils.shallowRenderComponent(RawProgressBar, {mode: 'determinate', className: 'tight', theme});
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expect(progressBar.props.className).toContain(theme.determinate);
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expect(progressBar.props.className).toContain(theme.tight);
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});
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});
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});
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