269 lines
11 KiB
JavaScript
269 lines
11 KiB
JavaScript
'use strict'
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/*
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Open Rowing Monitor, https://github.com/laberning/openrowingmonitor
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*/
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import { test } from 'uvu'
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import * as assert from 'uvu/assert'
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import { createOLSLinearSeries } from './OLSLinearSeries.js'
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test('Correct behaviour of a series after initialisation', () => {
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const dataSeries = createOLSLinearSeries(3)
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testLength(dataSeries, 0)
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testXAtSeriesBegin(dataSeries, 0)
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testYAtSeriesBegin(dataSeries, 0)
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testXAtSeriesEnd(dataSeries, 0)
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testYAtSeriesEnd(dataSeries, 0)
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testNumberOfXValuesAbove(dataSeries, 0, 0)
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testNumberOfYValuesAbove(dataSeries, 0, 0)
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testNumberOfXValuesEqualOrBelow(dataSeries, 0, 0)
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testNumberOfYValuesEqualOrBelow(dataSeries, 0, 0)
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testNumberOfXValuesAbove(dataSeries, 10, 0)
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testNumberOfYValuesAbove(dataSeries, 10, 0)
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testNumberOfXValuesEqualOrBelow(dataSeries, 10, 0)
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testNumberOfYValuesEqualOrBelow(dataSeries, 10, 0)
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testXSum(dataSeries, 0)
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testYSum(dataSeries, 0)
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testSlopeEquals(dataSeries, 0)
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testInterceptEquals(dataSeries, 0)
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testGoodnessOfFitEquals(dataSeries, 0)
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})
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test('Correct behaviour of a series after several puhed values, function y = 3x + 6, noisefree, 1 datapoint', () => {
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const dataSeries = createOLSLinearSeries(3)
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testLength(dataSeries, 0)
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dataSeries.push(5, 9)
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testLength(dataSeries, 1)
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testXAtSeriesBegin(dataSeries, 5)
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testYAtSeriesBegin(dataSeries, 9)
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testXAtSeriesEnd(dataSeries, 5)
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testYAtSeriesEnd(dataSeries, 9)
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testNumberOfXValuesAbove(dataSeries, 0, 1)
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testNumberOfYValuesAbove(dataSeries, 0, 1)
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testNumberOfXValuesEqualOrBelow(dataSeries, 0, 0)
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testNumberOfYValuesEqualOrBelow(dataSeries, 0, 0)
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testNumberOfXValuesAbove(dataSeries, 10, 0)
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testNumberOfYValuesAbove(dataSeries, 10, 0)
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testNumberOfXValuesEqualOrBelow(dataSeries, 10, 1)
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testNumberOfYValuesEqualOrBelow(dataSeries, 10, 1)
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testXSum(dataSeries, 5)
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testYSum(dataSeries, 9)
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testSlopeEquals(dataSeries, 0)
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testInterceptEquals(dataSeries, 0)
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testGoodnessOfFitEquals(dataSeries, 0)
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})
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test('Correct behaviour of a series after several puhed values, function y = 3x + 6, noisefree, 2 datapoints', () => {
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const dataSeries = createOLSLinearSeries(3)
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dataSeries.push(5, 9)
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dataSeries.push(3, 3)
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testLength(dataSeries, 2)
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testXAtSeriesBegin(dataSeries, 5)
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testYAtSeriesBegin(dataSeries, 9)
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testXAtSeriesEnd(dataSeries, 3)
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testYAtSeriesEnd(dataSeries, 3)
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testNumberOfXValuesAbove(dataSeries, 0, 2)
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testNumberOfYValuesAbove(dataSeries, 0, 2)
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testNumberOfXValuesEqualOrBelow(dataSeries, 0, 0)
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testNumberOfYValuesEqualOrBelow(dataSeries, 0, 0)
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testNumberOfXValuesAbove(dataSeries, 10, 0)
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testNumberOfYValuesAbove(dataSeries, 10, 0)
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testNumberOfXValuesEqualOrBelow(dataSeries, 10, 2)
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testNumberOfYValuesEqualOrBelow(dataSeries, 10, 2)
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testXSum(dataSeries, 8)
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testYSum(dataSeries, 12)
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testSlopeEquals(dataSeries, 3)
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testInterceptEquals(dataSeries, -6)
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testGoodnessOfFitEquals(dataSeries, 1)
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})
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test('Correct behaviour of a series after several puhed values, function y = 3x + 6, noisefree, 3 datapoints', () => {
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const dataSeries = createOLSLinearSeries(3)
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dataSeries.push(5, 9)
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dataSeries.push(3, 3)
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dataSeries.push(4, 6)
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testLength(dataSeries, 3)
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testXAtSeriesBegin(dataSeries, 5)
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testYAtSeriesBegin(dataSeries, 9)
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testXAtSeriesEnd(dataSeries, 4)
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testYAtSeriesEnd(dataSeries, 6)
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testNumberOfXValuesAbove(dataSeries, 0, 3)
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testNumberOfYValuesAbove(dataSeries, 0, 3)
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testNumberOfXValuesEqualOrBelow(dataSeries, 0, 0)
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testNumberOfYValuesEqualOrBelow(dataSeries, 0, 0)
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testNumberOfXValuesAbove(dataSeries, 10, 0)
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testNumberOfYValuesAbove(dataSeries, 10, 0)
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testNumberOfXValuesEqualOrBelow(dataSeries, 10, 3)
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testNumberOfYValuesEqualOrBelow(dataSeries, 10, 3)
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testXSum(dataSeries, 12)
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testYSum(dataSeries, 18)
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testSlopeEquals(dataSeries, 3)
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testInterceptEquals(dataSeries, -6)
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testGoodnessOfFitEquals(dataSeries, 1)
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})
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test('Correct behaviour of a series after several puhed values, function y = 3x + 6, noisefree, 4 datapoints', () => {
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const dataSeries = createOLSLinearSeries(3)
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dataSeries.push(5, 9)
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dataSeries.push(3, 3)
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dataSeries.push(4, 6)
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dataSeries.push(6, 12)
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testLength(dataSeries, 3)
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testXAtSeriesBegin(dataSeries, 3)
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testYAtSeriesBegin(dataSeries, 3)
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testXAtSeriesEnd(dataSeries, 6)
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testYAtSeriesEnd(dataSeries, 12)
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testNumberOfXValuesAbove(dataSeries, 0, 3)
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testNumberOfYValuesAbove(dataSeries, 0, 3)
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testNumberOfXValuesEqualOrBelow(dataSeries, 0, 0)
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testNumberOfYValuesEqualOrBelow(dataSeries, 0, 0)
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testNumberOfXValuesAbove(dataSeries, 10, 0)
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testNumberOfYValuesAbove(dataSeries, 10, 1)
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testNumberOfXValuesEqualOrBelow(dataSeries, 10, 3)
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testNumberOfYValuesEqualOrBelow(dataSeries, 10, 2)
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testXSum(dataSeries, 13)
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testYSum(dataSeries, 21)
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testSlopeEquals(dataSeries, 3)
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testInterceptEquals(dataSeries, -6)
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testGoodnessOfFitEquals(dataSeries, 1)
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})
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test('Correct behaviour of a series after several puhed values, function y = 3x + 6, noisefree, 5 datapoints', () => {
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const dataSeries = createOLSLinearSeries(3)
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dataSeries.push(5, 9)
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dataSeries.push(3, 3)
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dataSeries.push(4, 6)
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dataSeries.push(6, 12)
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dataSeries.push(1, -3)
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testLength(dataSeries, 3)
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testXAtSeriesBegin(dataSeries, 4)
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testYAtSeriesBegin(dataSeries, 6)
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testXAtSeriesEnd(dataSeries, 1)
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testYAtSeriesEnd(dataSeries, -3)
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testNumberOfXValuesAbove(dataSeries, 0, 3)
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testNumberOfYValuesAbove(dataSeries, 0, 2)
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testNumberOfXValuesEqualOrBelow(dataSeries, 0, 0)
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testNumberOfYValuesEqualOrBelow(dataSeries, 0, 1)
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testNumberOfXValuesAbove(dataSeries, 10, 0)
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testNumberOfYValuesAbove(dataSeries, 10, 1)
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testNumberOfXValuesEqualOrBelow(dataSeries, 10, 3)
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testNumberOfYValuesEqualOrBelow(dataSeries, 10, 2)
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testXSum(dataSeries, 11)
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testYSum(dataSeries, 15)
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testSlopeEquals(dataSeries, 3)
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testInterceptEquals(dataSeries, -6)
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testGoodnessOfFitEquals(dataSeries, 1)
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})
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test('Correct behaviour of a series after several puhed values, function y = 3x + 6, noisefree, 4 datapoints and a reset', () => {
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const dataSeries = createOLSLinearSeries(3)
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dataSeries.push(5, 9)
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dataSeries.push(3, 3)
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dataSeries.push(4, 6)
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dataSeries.push(6, 12)
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dataSeries.reset()
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testLength(dataSeries, 0)
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testXAtSeriesBegin(dataSeries, 0)
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testYAtSeriesBegin(dataSeries, 0)
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testXAtSeriesEnd(dataSeries, 0)
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testYAtSeriesEnd(dataSeries, 0)
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testNumberOfXValuesAbove(dataSeries, 0, 0)
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testNumberOfYValuesAbove(dataSeries, 0, 0)
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testNumberOfXValuesEqualOrBelow(dataSeries, 0, 0)
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testNumberOfYValuesEqualOrBelow(dataSeries, 0, 0)
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testNumberOfXValuesAbove(dataSeries, 10, 0)
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testNumberOfYValuesAbove(dataSeries, 10, 0)
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testNumberOfXValuesEqualOrBelow(dataSeries, 10, 0)
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testNumberOfYValuesEqualOrBelow(dataSeries, 10, 0)
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testXSum(dataSeries, 0)
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testYSum(dataSeries, 0)
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testSlopeEquals(dataSeries, 0)
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testInterceptEquals(dataSeries, 0)
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testGoodnessOfFitEquals(dataSeries, 0)
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})
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test('Series with 5 elements, with 2 noisy datapoints', () => {
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const dataSeries = createOLSLinearSeries(5)
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dataSeries.push(5, 9)
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dataSeries.push(3, 2)
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dataSeries.push(4, 7)
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dataSeries.push(6, 12)
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dataSeries.push(1, -3)
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testSlopeBetween(dataSeries, 2.9, 3.1)
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testInterceptBetween(dataSeries, -6.3, -5.8)
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testGoodnessOfFitBetween(dataSeries, 0.9, 1.0)
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})
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function testLength (series, expectedValue) {
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assert.ok(series.length() === expectedValue, `Expected length should be ${expectedValue}, encountered a ${series.length()}`)
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}
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function testXAtSeriesBegin (series, expectedValue) {
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assert.ok(series.xAtSeriesBegin() === expectedValue, `Expected xAtSeriesBegin to be ${expectedValue}, encountered a ${series.xAtSeriesBegin()}`)
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}
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function testYAtSeriesBegin (series, expectedValue) {
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assert.ok(series.yAtSeriesBegin() === expectedValue, `Expected yAtSeriesBegin to be ${expectedValue}, encountered a ${series.yAtSeriesBegin()}`)
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}
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function testXAtSeriesEnd (series, expectedValue) {
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assert.ok(series.xAtSeriesEnd() === expectedValue, `Expected xAtSeriesEnd to be ${expectedValue}, encountered a ${series.xAtSeriesEnd()}`)
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}
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function testYAtSeriesEnd (series, expectedValue) {
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assert.ok(series.yAtSeriesEnd() === expectedValue, `Expected yAtSeriesEnd to be ${expectedValue}, encountered a ${series.yAtSeriesEnd()}`)
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}
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function testNumberOfXValuesAbove (series, cutoff, expectedValue) {
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assert.ok(series.numberOfXValuesAbove(cutoff) === expectedValue, `Expected numberOfXValuesAbove(${cutoff}) to be ${expectedValue}, encountered a ${series.numberOfXValuesAbove(cutoff)}`)
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}
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function testNumberOfYValuesAbove (series, cutoff, expectedValue) {
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assert.ok(series.numberOfYValuesAbove(cutoff) === expectedValue, `Expected numberOfYValuesAbove(${cutoff}) to be ${expectedValue}, encountered a ${series.numberOfYValuesAbove(cutoff)}`)
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}
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function testNumberOfXValuesEqualOrBelow (series, cutoff, expectedValue) {
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assert.ok(series.numberOfXValuesEqualOrBelow(cutoff) === expectedValue, `Expected numberOfXValuesEqualOrBelow(${cutoff}) to be ${expectedValue}, encountered a ${series.numberOfXValuesEqualOrBelow(cutoff)}`)
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}
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function testNumberOfYValuesEqualOrBelow (series, cutoff, expectedValue) {
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assert.ok(series.numberOfYValuesEqualOrBelow(cutoff) === expectedValue, `Expected numberOfYValuesEqualOrBelow(${cutoff}) to be ${expectedValue}, encountered a ${series.numberOfYValuesEqualOrBelow(cutoff)}`)
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}
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function testXSum (series, expectedValue) {
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assert.ok(series.xSum() === expectedValue, `Expected xSum to be ${expectedValue}, encountered a ${series.xSum()}`)
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}
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function testYSum (series, expectedValue) {
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assert.ok(series.ySum() === expectedValue, `Expected ySum to be ${expectedValue}, encountered a ${series.ySum()}`)
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}
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function testSlopeEquals (series, expectedValue) {
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assert.ok(series.slope() === expectedValue, `Expected slope to be ${expectedValue}, encountered a ${series.slope()}`)
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}
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function testSlopeBetween (series, expectedValueAbove, expectedValueBelow) {
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assert.ok(series.slope() > expectedValueAbove, `Expected slope to be above ${expectedValueAbove}, encountered a ${series.slope()}`)
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assert.ok(series.slope() < expectedValueBelow, `Expected slope to be below ${expectedValueBelow}, encountered a ${series.slope()}`)
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}
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function testInterceptEquals (series, expectedValue) {
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assert.ok(series.intercept() === expectedValue, `Expected intercept to be ${expectedValue}, encountered ${series.intercept()}`)
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}
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function testInterceptBetween (series, expectedValueAbove, expectedValueBelow) {
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assert.ok(series.intercept() > expectedValueAbove, `Expected intercept to be above ${expectedValueAbove}, encountered ${series.intercept()}`)
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assert.ok(series.intercept() < expectedValueBelow, `Expected intercept to be below ${expectedValueBelow}, encountered ${series.intercept()}`)
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}
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function testGoodnessOfFitEquals (series, expectedValue) {
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assert.ok(series.goodnessOfFit() === expectedValue, `Expected goodnessOfFit to be ${expectedValue}, encountered ${series.goodnessOfFit()}`)
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}
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function testGoodnessOfFitBetween (series, expectedValueAbove, expectedValueBelow) {
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assert.ok(series.goodnessOfFit() > expectedValueAbove, `Expected goodnessOfFit to be above ${expectedValueAbove}, encountered ${series.goodnessOfFit()}`)
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assert.ok(series.goodnessOfFit() < expectedValueBelow, `Expected goodnessOfFit to be below ${expectedValueBelow}, encountered ${series.goodnessOfFit()}`)
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}
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test.run()
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