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cast.js
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cast.js
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// Copyright (c) 2020 Alexandru Catrina <[email protected]>
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in all
// copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
// SOFTWARE.
const assert = require('assert')
const { castContent } = require('../lib')
describe('Cast from string to other numbers and booleans', () => {
const testObject = {
id: '100',
success: 'true'
}
it('should return the appropriate values after casting', () => {
const num = castContent('number', testObject.id)
assert.strict.equal(num, 100)
const bool = castContent('boolean', testObject.success)
assert.strict.equal(bool, true)
})
it('should return failure reason in text format', () => {
const num = castContent('boolean', testObject.id)
assert.strict.equal(num, '<"100" is not a boolean>')
const bool = castContent('number', testObject.success)
assert.strict.equal(bool, '<"true" is not a number>')
})
it('should throw an error if cast type is unsupported', () => {
assert.throws(() => {
castContent('xxxxxxx', {})
})
assert.strict.equal(castContent('string', null), '<cannot cast "null" as string>')
})
})