50 lines
2.1 KiB
JavaScript
50 lines
2.1 KiB
JavaScript
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const test = require('node:test');
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const assert = require('node:assert/strict');
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const { predict } = require('generalFunctions');
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const { buildPredictors } = require('../../src/prediction/predictors');
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function makeCanonicalCurve() {
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// Canonical units already applied: pressure Pa, flow m3/s, power W,
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// x-axis is control %. Two pressure levels, monotonically rising y.
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return {
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nq: {
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100000: { x: [0, 50, 100], y: [0, 0.005, 0.01] },
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120000: { x: [0, 50, 100], y: [0, 0.006, 0.012] },
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},
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np: {
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100000: { x: [0, 50, 100], y: [0, 500, 1000] },
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120000: { x: [0, 50, 100], y: [0, 600, 1200] },
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},
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};
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}
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test('buildPredictors: returns three Predict instances', () => {
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const predictors = buildPredictors(makeCanonicalCurve());
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assert.ok(predictors.predictFlow instanceof predict);
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assert.ok(predictors.predictPower instanceof predict);
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assert.ok(predictors.predictCtrl instanceof predict);
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});
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test('buildPredictors: predictFlow yMax/yMin reflect input range', () => {
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const predictors = buildPredictors(makeCanonicalCurve());
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// After buildAllFxyCurves the fDimension is initialised to fValues.min.
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// currentFxyYMin/Max are the y-range at that pressure curve.
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assert.ok(Number.isFinite(predictors.predictFlow.currentFxyYMax));
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assert.ok(Number.isFinite(predictors.predictFlow.currentFxyYMin));
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assert.ok(predictors.predictFlow.currentFxyYMax > predictors.predictFlow.currentFxyYMin);
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});
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test('buildPredictors: predictCtrl is built from reversed nq (flow->ctrl mapping)', () => {
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const predictors = buildPredictors(makeCanonicalCurve());
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// predictCtrl's x-axis values must come from y-values in nq.
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// sanity-check via currentFxyXMax being in the flow range
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assert.ok(predictors.predictCtrl.currentFxyXMax <= 0.02, // flow range upper bound
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`expected predictCtrl xMax in flow-range, got ${predictors.predictCtrl.currentFxyXMax}`);
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});
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test('buildPredictors: throws when machineCurve is missing nq or np', () => {
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assert.throws(() => buildPredictors(null), /machineCurve\.nq and \.np are required/);
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assert.throws(() => buildPredictors({ nq: {} }), /required/);
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});
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