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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.
49 lines
1.7 KiB
JavaScript
49 lines
1.7 KiB
JavaScript
import assert from 'assert';
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import lodashStable from 'lodash';
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import { args, stubTrue, falsey, asyncFunc, genFunc, slice, symbol, realm } from './utils.js';
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import isArrayLike from '../isArrayLike.js';
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describe('isArrayLike', function() {
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it('should return `true` for array-like values', function() {
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var values = [args, [1, 2, 3], { '0': 'a', 'length': 1 }, 'a'],
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expected = lodashStable.map(values, stubTrue),
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actual = lodashStable.map(values, isArrayLike);
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assert.deepStrictEqual(actual, expected);
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});
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it('should return `false` for non-arrays', function() {
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var expected = lodashStable.map(falsey, function(value) {
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return value === '';
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});
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var actual = lodashStable.map(falsey, function(value, index) {
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return index ? isArrayLike(value) : isArrayLike();
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});
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assert.deepStrictEqual(actual, expected);
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assert.strictEqual(isArrayLike(true), false);
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assert.strictEqual(isArrayLike(new Date), false);
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assert.strictEqual(isArrayLike(new Error), false);
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assert.strictEqual(isArrayLike(_), false);
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assert.strictEqual(isArrayLike(asyncFunc), false);
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assert.strictEqual(isArrayLike(genFunc), false);
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assert.strictEqual(isArrayLike(slice), false);
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assert.strictEqual(isArrayLike({ 'a': 1 }), false);
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assert.strictEqual(isArrayLike(1), false);
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assert.strictEqual(isArrayLike(/x/), false);
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assert.strictEqual(isArrayLike(symbol), false);
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});
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it('should work with an array from another realm', function() {
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if (realm.object) {
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var values = [realm.arguments, realm.array, realm.string],
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expected = lodashStable.map(values, stubTrue),
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actual = lodashStable.map(values, isArrayLike);
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assert.deepStrictEqual(actual, expected);
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}
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});
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});
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