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'use strict'
const { test } = require('node:test')
const validator = require('is-my-json-valid')
const build = require('..')
const ROUNDING_TYPES = ['ceil', 'floor', 'round']
test('render an integer as JSON', (t) => {
t.plan(2)
const schema = {
title: 'integer',
type: 'integer'
}
const validate = validator(schema)
const stringify = build(schema)
const output = stringify(1615)
t.assert.equal(output, '1615')
t.assert.ok(validate(JSON.parse(output)), 'valid schema')
})
test('render a float as an integer', (t) => {
t.plan(2)
try {
build({
title: 'float as integer',
type: 'integer'
}, { rounding: 'foobar' })
} catch (error) {
t.assert.ok(error)
t.assert.equal(error.message, 'Unsupported integer rounding method foobar')
}
})
test('throws on NaN', (t) => {
t.plan(1)
const schema = {
title: 'integer',
type: 'integer'
}
const stringify = build(schema)
t.assert.throws(() => stringify(NaN), new Error('The value "NaN" cannot be converted to an integer.'))
})
test('render a float as an integer', (t) => {
const cases = [
{ input: Math.PI, output: '3' },
{ input: 5.0, output: '5' },
{ input: null, output: '0' },
{ input: 0, output: '0' },
{ input: 0.0, output: '0' },
{ input: 42, output: '42' },
{ input: 1.99999, output: '1' },
{ input: -45.05, output: '-45' },
{ input: 3333333333333333, output: '3333333333333333' },
{ input: Math.PI, output: '3', rounding: 'trunc' },
{ input: 5.0, output: '5', rounding: 'trunc' },
{ input: null, output: '0', rounding: 'trunc' },
{ input: 0, output: '0', rounding: 'trunc' },
{ input: 0.0, output: '0', rounding: 'trunc' },
{ input: 42, output: '42', rounding: 'trunc' },
{ input: 1.99999, output: '1', rounding: 'trunc' },
{ input: -45.05, output: '-45', rounding: 'trunc' },
{ input: 0.95, output: '1', rounding: 'ceil' },
{ input: 0.2, output: '1', rounding: 'ceil' },
{ input: 45.95, output: '45', rounding: 'floor' },
{ input: -45.05, output: '-46', rounding: 'floor' },
{ input: 45.44, output: '45', rounding: 'round' },
{ input: 45.95, output: '46', rounding: 'round' }
]
t.plan(cases.length * 2)
cases.forEach(checkInteger)
function checkInteger ({ input, output, rounding }) {
const schema = {
title: 'float as integer',
type: 'integer'
}
const validate = validator(schema)
const stringify = build(schema, { rounding })
const str = stringify(input)
t.assert.equal(str, output)
t.assert.ok(validate(JSON.parse(str)), 'valid schema')
}
})
test('render an object with an integer as JSON', (t) => {
t.plan(2)
const schema = {
title: 'object with integer',
type: 'object',
properties: {
id: {
type: 'integer'
}
}
}
const validate = validator(schema)
const stringify = build(schema)
const output = stringify({
id: 1615
})
t.assert.equal(output, '{"id":1615}')
t.assert.ok(validate(JSON.parse(output)), 'valid schema')
})
test('render an array with an integer as JSON', (t) => {
t.plan(2)
const schema = {
title: 'array with integer',
type: 'array',
items: {
type: 'integer'
}
}
const validate = validator(schema)
const stringify = build(schema)
const output = stringify([1615])
t.assert.equal(output, '[1615]')
t.assert.ok(validate(JSON.parse(output)), 'valid schema')
})
test('render an object with an additionalProperty of type integer as JSON', (t) => {
t.plan(2)
const schema = {
title: 'object with integer',
type: 'object',
additionalProperties: {
type: 'integer'
}
}
const validate = validator(schema)
const stringify = build(schema)
const output = stringify({
num: 1615
})
t.assert.equal(output, '{"num":1615}')
t.assert.ok(validate(JSON.parse(output)), 'valid schema')
})
test('should round integer object parameter', t => {
t.plan(2)
const schema = { type: 'object', properties: { magic: { type: 'integer' } } }
const validate = validator(schema)
const stringify = build(schema, { rounding: 'ceil' })
const output = stringify({ magic: 4.2 })
t.assert.equal(output, '{"magic":5}')
t.assert.ok(validate(JSON.parse(output)), 'valid schema')
})
test('should not stringify a property if it does not exist', t => {
t.plan(2)
const schema = { title: 'Example Schema', type: 'object', properties: { age: { type: 'integer' } } }
const validate = validator(schema)
const stringify = build(schema)
const output = stringify({})
t.assert.equal(output, '{}')
t.assert.ok(validate(JSON.parse(output)), 'valid schema')
})
ROUNDING_TYPES.forEach((rounding) => {
test(`should not stringify a property if it does not exist (rounding: ${rounding})`, t => {
t.plan(2)
const schema = { type: 'object', properties: { magic: { type: 'integer' } } }
const validate = validator(schema)
const stringify = build(schema, { rounding })
const output = stringify({})
t.assert.equal(output, '{}')
t.assert.ok(validate(JSON.parse(output)), 'valid schema')
})
})
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