139 lines
4.4 KiB
JavaScript
139 lines
4.4 KiB
JavaScript
import { module, test } from 'qunit';
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import { setupTest } from 'ember-qunit';
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import moment from 'moment';
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import d3Format from 'd3-format';
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import d3TimeFormat from 'd3-time-format';
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import setupGlimmerComponentFactory from 'nomad-ui/tests/helpers/glimmer-factory';
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module('Unit | Component | stats-time-series', function(hooks) {
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setupTest(hooks);
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setupGlimmerComponentFactory(hooks, 'stats-time-series');
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const ts = (offset, resolution = 'm') =>
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moment()
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.subtract(offset, resolution)
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.toDate();
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const wideData = [
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{ timestamp: ts(20), percent: 0.5 },
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{ timestamp: ts(18), percent: 0.5 },
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{ timestamp: ts(16), percent: 0.4 },
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{ timestamp: ts(14), percent: 0.3 },
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{ timestamp: ts(12), percent: 0.9 },
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{ timestamp: ts(10), percent: 0.3 },
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{ timestamp: ts(8), percent: 0.3 },
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{ timestamp: ts(6), percent: 0.4 },
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{ timestamp: ts(4), percent: 0.5 },
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{ timestamp: ts(2), percent: 0.6 },
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{ timestamp: ts(0), percent: 0.6 },
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];
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const narrowData = [
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{ timestamp: ts(20, 's'), percent: 0.5 },
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{ timestamp: ts(18, 's'), percent: 0.5 },
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{ timestamp: ts(16, 's'), percent: 0.4 },
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{ timestamp: ts(14, 's'), percent: 0.3 },
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{ timestamp: ts(12, 's'), percent: 0.9 },
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{ timestamp: ts(10, 's'), percent: 0.3 },
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];
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const unboundedData = [
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{ timestamp: ts(20, 's'), percent: -0.5 },
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{ timestamp: ts(18, 's'), percent: 1.5 },
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];
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const nullData = [
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{ timestamp: ts(20, 's'), percent: null },
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{ timestamp: ts(18, 's'), percent: null },
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];
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test('xFormat is time-formatted for hours, minutes, and seconds', function(assert) {
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const chart = this.createComponent({ data: wideData });
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wideData.forEach(datum => {
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assert.equal(
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chart.xFormat(datum.timestamp),
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d3TimeFormat.timeFormat('%H:%M:%S')(datum.timestamp)
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);
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});
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});
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test('yFormat is percent-formatted', function(assert) {
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const chart = this.createComponent({ data: wideData });
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wideData.forEach(datum => {
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assert.equal(chart.yFormat(datum.percent), d3Format.format('.1~%')(datum.percent));
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});
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});
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test('x scale domain is at least five minutes', function(assert) {
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const chart = this.createComponent({ data: narrowData });
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assert.equal(
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+chart.xScale(narrowData, 0).domain()[0],
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+moment(Math.max(...narrowData.mapBy('timestamp')))
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.subtract(5, 'm')
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.toDate(),
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'The lower bound of the xScale is 5 minutes ago'
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);
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});
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test('x scale domain is greater than five minutes when the domain of the data is larger than five minutes', function(assert) {
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const chart = this.createComponent({ data: wideData });
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assert.equal(
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+chart.xScale(wideData, 0).domain()[0],
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Math.min(...wideData.mapBy('timestamp')),
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'The lower bound of the xScale is the oldest timestamp in the dataset'
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);
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});
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test('y scale domain is typically 0 to 1 (0 to 100%)', function(assert) {
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const chart = this.createComponent({ data: wideData });
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assert.deepEqual(
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[Math.min(...wideData.mapBy('percent')), Math.max(...wideData.mapBy('percent'))],
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[0.3, 0.9],
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'The bounds of the value prop of the dataset is narrower than 0 - 1'
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);
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assert.deepEqual(
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chart.yScale(wideData, 0).domain(),
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[0, 1],
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'The bounds of the yScale are still 0 and 1'
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);
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});
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test('the extent of the y domain overrides the default 0 to 1 domain when there are values beyond these bounds', function(assert) {
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const chart = this.createComponent({ data: unboundedData });
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assert.deepEqual(
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chart.yScale(unboundedData, 0).domain(),
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[-0.5, 1.5],
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'The bounds of the yScale match the bounds of the unbounded data'
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);
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chart.args.data = [unboundedData[0]];
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assert.deepEqual(
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chart.yScale(chart.args.data, 0).domain(),
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[-0.5, 1],
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'The upper bound is still the default 1, but the lower bound is overridden due to the unbounded low value'
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);
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chart.args.data = [unboundedData[1]];
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assert.deepEqual(
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chart.yScale(chart.args.data, 0).domain(),
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[0, 1.5],
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'The lower bound is still the default 0, but the upper bound is overridden due to the unbounded high value'
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);
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});
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test('when there are only empty frames in the data array, the default y domain is used', function(assert) {
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const chart = this.createComponent({ data: nullData });
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assert.deepEqual(chart.yScale(nullData, 0).domain(), [0, 1], 'The bounds are 0 and 1');
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});
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});
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