@vidal-community/vidal-web-components/vidal-substitution/services/conversion-service_test.js

Vidal Web Components

import { Dose } from '../model/dose';
import { Unit } from '../model/unit';
import { assert } from '@open-wc/testing';
import { useConversionService } from './conversion-service';
import { ConversionRate } from '../model/conversion-rate';
suite('conversion-service', () => {
    suite('convert', () => {
        test('targetUnit (mg) is unit (mg)', () => {
            const inputUnit = 'vidal://unit/57';
            const targetUnit = 'vidal://unit/57';
            const inputConversionRate = new ConversionRate(new Unit(targetUnit, 'mg'), new Unit(inputUnit, 'mg'), 1, 0.001);
            const inputDose = new Dose(2, new Unit(inputUnit, 'mg'));
            const expectedDose = new Dose(2, new Unit(targetUnit, 'mg'));
            assert.deepEqual(useConversionService().convertDose(inputDose, targetUnit, [
                inputConversionRate,
            ]), expectedDose);
        });
        test('input dose in g to targetDose in mg with refUnit is g', () => {
            const inputUnit = 'vidal://unit/35';
            const targetUnit = 'vidal://unit/57';
            const inputConversionRate = new ConversionRate(new Unit(inputUnit, 'g'), new Unit(targetUnit, 'mg'), 1, 0.001);
            const inputDose = new Dose(2, new Unit(inputUnit, 'g'));
            const expectedDose = new Dose(2000, new Unit(targetUnit, 'mg'));
            const convertedDose = useConversionService().convertDose(inputDose, targetUnit, [inputConversionRate]);
            assert.equal(convertedDose === null || convertedDose === void 0 ? void 0 : convertedDose.value, expectedDose.value);
            assert.equal(convertedDose === null || convertedDose === void 0 ? void 0 : convertedDose.unit.uri, expectedDose.unit.uri);
            assert.equal(convertedDose === null || convertedDose === void 0 ? void 0 : convertedDose.unit.name, expectedDose.unit.name);
        });
        test('input dose in mg to targetDose in g with refUnit is g', () => {
            const inputUnit = 'vidal://unit/57';
            const targetUnit = 'vidal://unit/35';
            const inputConversionRate = new ConversionRate(new Unit(targetUnit, 'g'), new Unit(inputUnit, 'mg'), 1, 0.001);
            const inputDose = new Dose(2000, new Unit(inputUnit, 'mg'));
            const expectedDose = new Dose(2, new Unit(targetUnit, 'g'));
            const convertedDose = useConversionService().convertDose(inputDose, targetUnit, [inputConversionRate]);
            assert.equal(convertedDose === null || convertedDose === void 0 ? void 0 : convertedDose.value, expectedDose.value);
            assert.equal(convertedDose === null || convertedDose === void 0 ? void 0 : convertedDose.unit.uri, expectedDose.unit.uri);
            assert.equal(convertedDose === null || convertedDose === void 0 ? void 0 : convertedDose.unit.name, expectedDose.unit.name);
        });
        test('input dose in cp to targetDose in mg with refUnit is g', () => {
            const inputUnit = 'vidal://unit/129';
            const targetUnit = 'vidal://unit/57';
            const conversionRateBetweenGrammeAndComprime = new ConversionRate(new Unit('vidal://unit/35', 'g'), new Unit('vidal://unit/129', 'cp'), 1, 1);
            const conversionRateBetweenGrammeAndMilligramme = new ConversionRate(new Unit('vidal://unit/35', 'g'), new Unit('vidal://unit/57', 'mg'), 1, 0.001);
            const inputDose = new Dose(5.5, new Unit(inputUnit, 'cp'));
            const expectedDose = new Dose(5500, new Unit(targetUnit, 'mg'));
            const convertedDose = useConversionService().convertDose(inputDose, targetUnit, [
                conversionRateBetweenGrammeAndComprime,
                conversionRateBetweenGrammeAndMilligramme,
            ]);
            assert.equal(convertedDose === null || convertedDose === void 0 ? void 0 : convertedDose.value, expectedDose.value);
            assert.equal(convertedDose === null || convertedDose === void 0 ? void 0 : convertedDose.unit.uri, expectedDose.unit.uri);
            assert.equal(convertedDose === null || convertedDose === void 0 ? void 0 : convertedDose.unit.name, expectedDose.unit.name);
        });
        test('input dose in mg to targetDose in cp with refUnit is g', () => {
            const inputUnit = 'vidal://unit/57';
            const targetUnit = 'vidal://unit/129';
            const conversionRateBetweenGrammeAndComprime = new ConversionRate(new Unit('vidal://unit/35', 'g'), new Unit('vidal://unit/129', 'cp'), 1, 1);
            const conversionRateBetweenGrammeAndMilligramme = new ConversionRate(new Unit('vidal://unit/35', 'g'), new Unit('vidal://unit/57', 'mg'), 1, 0.001);
            const inputDose = new Dose(5500, new Unit(inputUnit, 'mg'));
            const expectedDose = new Dose(5.5, new Unit(targetUnit, 'cp'));
            const convertedDose = useConversionService().convertDose(inputDose, targetUnit, [
                conversionRateBetweenGrammeAndComprime,
                conversionRateBetweenGrammeAndMilligramme,
            ]);
            assert.equal(convertedDose === null || convertedDose === void 0 ? void 0 : convertedDose.value, expectedDose.value);
            assert.equal(convertedDose === null || convertedDose === void 0 ? void 0 : convertedDose.unit.uri, expectedDose.unit.uri);
            assert.equal(convertedDose === null || convertedDose === void 0 ? void 0 : convertedDose.unit.name, expectedDose.unit.name);
        });
        test('no conversion rates', () => {
            const inputUnit = 'vidal://unit/57';
            const targetUnit = 'vidal://unit/58';
            const inputDose = new Dose(2, new Unit(inputUnit, 'mg'));
            assert.isUndefined(useConversionService().convertDose(inputDose, targetUnit, []));
        });
        test('no conversion rates but same unit', () => {
            const inputUnit = 'vidal://unit/60';
            const targetUnit = 'vidal://unit/60';
            const inputDose = new Dose(2, new Unit(inputUnit, 'ml'));
            assert.equal(useConversionService().convertDose(inputDose, targetUnit, []), inputDose);
        });
        test('max conversion steps is reached', () => {
            const inputUnit = 'vidal://unit/57';
            const targetUnit = 'vidal://unit/58';
            const inputDose = new Dose(2, new Unit(inputUnit, 'mg'));
            const conversionRate = new ConversionRate(new Unit('vidal://unit/57', 'mg'), new Unit('vidal://unit/129', 'cp'), 1, 1);
            assert.isUndefined(useConversionService().convertDose(inputDose, targetUnit, [
                conversionRate,
            ]));
        });
    });
    suite('find matching uri', () => {
        test('when it exists directly', () => {
            const equivalentDrugUnits = [
                new Unit('vidal://unit/35', 'g'),
                new Unit('vidal://unit/57', 'mg'),
            ];
            const matchingUnitUri = useConversionService().findMatchingUnitUri(equivalentDrugUnits, new Unit('vidal://unit/57', 'mg'));
            assert.equal(matchingUnitUri, 'vidal://unit/57');
        });
        test("with conversion rate's ref unit", () => {
            const cp = new Unit('vidal://unit/129', 'cp');
            const g = new Unit('vidal://unit/35', 'g');
            g.conversionRates = [new ConversionRate(cp, g, 1, 1)];
            const mg = new Unit('vidal://unit/57', 'mg');
            const equivalentDrugUnits = [g, mg];
            const matchingUnitUri = useConversionService().findMatchingUnitUri(equivalentDrugUnits, cp);
            assert.equal(matchingUnitUri, 'vidal://unit/129');
        });
        test("with conversion rate's unit", () => {
            const cp = new Unit('vidal://unit/129', 'cp');
            const g = new Unit('vidal://unit/35', 'g');
            g.conversionRates = [new ConversionRate(g, cp, 1, 1)];
            const mg = new Unit('vidal://unit/57', 'mg');
            const equivalentDrugUnits = [g, mg];
            const matchingUnitUri = useConversionService().findMatchingUnitUri(equivalentDrugUnits, cp);
            assert.equal(matchingUnitUri, 'vidal://unit/129');
        });
        test('when it does not exist', () => {
            const equivalentDrugUnits = [
                new Unit('vidal://unit/35', 'g'),
                new Unit('vidal://unit/57', 'mg'),
            ];
            const matchingUnitUri = useConversionService().findMatchingUnitUri(equivalentDrugUnits, new Unit('vidal://unit/129', 'cp'));
            assert.isUndefined(matchingUnitUri);
        });
    });
});
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