65 lines
1.6 KiB
JavaScript
65 lines
1.6 KiB
JavaScript
import { Eltro as t, assert} from 'eltro'
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import { isObject, defaults } from '../core/defaults.mjs'
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t.describe('#isObject()', () => {
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t.test('should return false for invalid objects', function() {
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let tests = [
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[],
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'',
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'asdf',
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12341,
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0,
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]
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tests.forEach(function(check) {
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assert.strictEqual(isObject(check), false)
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})
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})
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t.test('should return true for valid objects', function() {
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let tests = [
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{},
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new Object(),
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]
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tests.forEach(function(check) {
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assert.strictEqual(isObject(check), true)
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})
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})
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})
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t.describe('#defaults()', () => {
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t.test('should throw if original is missing or invalid', () => {
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assert.throws(function() { defaults() })
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assert.throws(function() { defaults('asdf') })
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assert.throws(function() { defaults('') })
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assert.throws(function() { defaults(null) })
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assert.throws(function() { defaults(1234) })
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assert.throws(function() { defaults([]) })
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})
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t.test('should not override existing variables', () => {
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let assertOutput = { a: 2 }
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defaults(assertOutput, { a: 1 })
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assert.deepStrictEqual(assertOutput, { a: 2 })
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})
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t.test('should allow nesting through objects', () => {
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let def = { a: { b: 2 } }
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let inside = { a: { c: 3} }
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defaults(inside, def)
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assert.deepStrictEqual(inside.a, {
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b: 2,
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c: 3,
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})
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})
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t.test('should not return new reference', () => {
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let assertInput = { a: 1 }
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let existing = assertInput
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defaults(assertInput, { b: 2 })
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assert.strictEqual(assertInput, existing)
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})
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})
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