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* Install test dependencies. * Add initial test files. These files were created using a simplistic AST manipulator using `recast` to preserve formatting. There's bound to be a huge chunk of errors, but this serves as a good start. QUnit was replaced with Mocha, with ES2015 imports running via `esm`. As far as possible, QUnit-specific syntax has been replaced with Mocha's `describe` and `it`, while the native Node.js `assert` module is used for assertions. Files in the `test` directory ending in `.test.js` will be treated as test files. * Add initial passing files to test run.
54 lines
1.7 KiB
JavaScript
54 lines
1.7 KiB
JavaScript
import assert from 'assert';
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import lodashStable from 'lodash';
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import { map, falsey, stubFalse, args, slice, symbol, weakMap, realm } from './utils.js';
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import isMap from '../isMap.js';
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describe('isMap', function() {
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it('should return `true` for maps', function() {
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if (Map) {
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assert.strictEqual(isMap(map), true);
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}
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});
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it('should return `false` for non-maps', function() {
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var expected = lodashStable.map(falsey, stubFalse);
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var actual = lodashStable.map(falsey, function(value, index) {
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return index ? isMap(value) : isMap();
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});
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assert.deepStrictEqual(actual, expected);
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assert.strictEqual(isMap(args), false);
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assert.strictEqual(isMap([1, 2, 3]), false);
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assert.strictEqual(isMap(true), false);
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assert.strictEqual(isMap(new Date), false);
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assert.strictEqual(isMap(new Error), false);
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assert.strictEqual(isMap(_), false);
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assert.strictEqual(isMap(slice), false);
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assert.strictEqual(isMap({ 'a': 1 }), false);
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assert.strictEqual(isMap(1), false);
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assert.strictEqual(isMap(/x/), false);
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assert.strictEqual(isMap('a'), false);
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assert.strictEqual(isMap(symbol), false);
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assert.strictEqual(isMap(weakMap), false);
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});
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it('should work for objects with a non-function `constructor` (test in IE 11)', function() {
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var values = [false, true],
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expected = lodashStable.map(values, stubFalse);
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var actual = lodashStable.map(values, function(value) {
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return isMap({ 'constructor': value });
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});
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assert.deepStrictEqual(actual, expected);
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});
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it('should work with maps from another realm', function() {
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if (realm.map) {
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assert.strictEqual(isMap(realm.map), true);
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}
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});
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});
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