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interpret.js
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interpret.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 { interpret } = require('../lib')
describe('Interpret a given string to generate content from context', () => {
const context = {
dictionary: {
ro: {
wait: 'așteaptă'
}
},
question: 'park my car',
math: {
point: [11.08, 9.99]
}
}
it('should replace values from context in 3 messages', () => {
const messages = [
'The word wait is translated as {dictionary.ro.wait}',
'Where can I {question}?',
'This point has the following coordinates: {math.point}'
]
const expected = [
`The word wait is translated as ${context.dictionary.ro.wait}`,
`Where can I ${context.question}?`,
`This point has the following coordinates: ${context.math.point}`
]
let i = 0
for (; i < messages.length; i++) {
assert.strict.equal(interpret(messages[i], context), expected[i])
}
if (i !== messages.length) {
assert.fail(`Expected ${messages.length} tests but got ${i}`)
}
})
it('should return text unchanged if placeholders are not in context', () => {
const message = 'How long do I have to {dictionary.en.wait}?'
assert.strict.equal(interpret(message, context), message)
})
it('should return text unchanged if placeholders are used wrong', () => {
const message = 'Is this a { question }?'
assert.strict.equal(interpret(message, context), message)
})
})
describe('Interpret case insensitive placeholders to generate content', () => {
const context = {
'project-name': 'samplest',
samplest: 'mockup api development tool'
}
it('should match fields in context', () => {
assert.strict.equal(interpret('{project-name}', context, true), context['project-name'])
assert.strict.equal(interpret('{Project-name}', context, true), context['project-name'])
assert.strict.equal(interpret('{project-NAME}', context, true), context['project-name'])
assert.strict.equal(interpret('{Samplest}', context, true), context.samplest)
assert.strict.equal(interpret('{SAMPLEST}', context, true), context.samplest)
})
it('shoult not match fields in context if lower flag is not set', () => {
assert.strict.equal(interpret('{project-name}', context, false), context['project-name'])
assert.strict.notEqual(interpret('{Project-Name}', context, false), context['project-name'])
assert.strict.notEqual(interpret('{SAMPLEST}', context, false), context.samplest)
assert.strict.equal(interpret('{samplest}', context, false), context.samplest)
})
})