52 lines
2.0 KiB
JavaScript
52 lines
2.0 KiB
JavaScript
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"use strict";
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// We really, really, REALLY want not to load two separate
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// implementations of values.js into the same node.js instance, so
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// there's a bunch of singleton hackery in values.js. These tests
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// check that separate loads don't cause separate instances.
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const chai = require('chai');
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const expect = chai.expect;
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chai.use(require('chai-immutable'));
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const Immutable = require('immutable');
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describe('reloading values.js', () => {
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const V1 = require('../src/values.js');
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delete require.cache[require.resolve('../src/values.js')];
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const V2 = require('../src/values.js');
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const C1 = V1.Record.makeConstructor('c', ['a', 'b']);
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const C2 = V2.Record.makeConstructor('c', ['a', 'b']);
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it('should reuse RecordConstructorInfo (1)', () => {
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expect(C1.constructorInfo instanceof V1.RecordConstructorInfo).to.be.true;
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});
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it('should reuse RecordConstructorInfo (2)', () => {
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expect(C1.constructorInfo instanceof V2.RecordConstructorInfo).to.be.true;
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});
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it('should identify RecordConstructorInfo', () => {
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expect(Object.is(V1.RecordConstructorInfo, V2.RecordConstructorInfo)).to.be.true;
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});
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it('should produce identical module instances', () => { expect(V1 === V2).to.be.true; });
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it('should produce distinct constructor instances', () => { expect(C1 === C2).to.be.false; });
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it('should produce distinct constructor info', () => {
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expect(Object.is(C1.constructorInfo, C2.constructorInfo)).to.be.false;
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});
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it('should produce compatible constructor info', () => {
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expect(Immutable.is(C1.constructorInfo, C2.constructorInfo)).to.be.true;
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});
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it('should produce compatible record instances', () => {
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expect(Immutable.is(C1(1,2), C2(1,2))).to.be.true;
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});
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});
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describe('reloading index.js', () => {
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it('produces identical module exports objects', () => {
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const I1 = require('../src/index.js');
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delete require.cache[require.resolve('../src/index.js')];
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const I2 = require('../src/index.js');
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expect(Object.is(I1, I2)).to.be.true;
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});
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});
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