49 lines
1.8 KiB
JavaScript
49 lines
1.8 KiB
JavaScript
"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 assert = require('assert');
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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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assert(C1.constructorInfo instanceof V1.RecordConstructorInfo);
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});
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it('should reuse RecordConstructorInfo (2)', () => {
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assert(C1.constructorInfo instanceof V2.RecordConstructorInfo);
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});
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it('should identify RecordConstructorInfo', () => {
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assert(Object.is(V1.RecordConstructorInfo, V2.RecordConstructorInfo));
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});
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it('should produce identical module instances', () => { assert.strictEqual(V1, V2); });
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it('should produce distinct constructor instances', () => { assert.notStrictEqual(C1, C2); });
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it('should produce distinct constructor info', () => {
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assert(!Object.is(C1.constructorInfo, C2.constructorInfo));
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});
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it('should produce compatible constructor info', () => {
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assert(Immutable.is(C1.constructorInfo, C2.constructorInfo));
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});
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it('should produce compatible record instances', () => {
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assert(Immutable.is(C1(1,2), C2(1,2)));
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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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assert(Object.is(I1, I2));
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});
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});
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