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node_modules/fast-json-stringify/test/integer.test.js

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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')
+  })
+})