open-nomad/ui/tests/unit/components/stats-time-series-test.js

139 lines
4.4 KiB
JavaScript

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