jsoneditor/test/jsonUtils.test.js

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const assert = require('assert')
const stringifyPartial = require('../src/js/jsonUtils').stringifyPartial
const containsArray = require('../src/js/jsonUtils').containsArray
describe('jsonUtils', () => {
it('should stringify a small object', () => {
const json = {
a: 2,
b: 'foo',
c: null,
d: false,
e: [1, 2, 3],
f: { g: 'h' }
}
assert.strictEqual(stringifyPartial(json), '{"a":2,"b":"foo","c":null,"d":false,"e":[1,2,3],"f":{"g":"h"}}')
})
it('should stringify a small object with formatting', () => {
const json = {
a: 2,
b: 'foo',
c: null,
d: false,
e: [1, 2, 3],
f: { g: 'h' }
}
assert.strictEqual(stringifyPartial(json, 2),
'{\n' +
' "a": 2,\n' +
' "b": "foo",\n' +
' "c": null,\n' +
' "d": false,\n' +
' "e": [\n' +
' 1,\n' +
' 2,\n' +
' 3\n' +
' ],\n' +
' "f": {\n' +
' "g": "h"\n' +
' }\n' +
'}')
assert.strictEqual(stringifyPartial(json, ' '), '{\n' +
' "a": 2,\n' +
' "b": "foo",\n' +
' "c": null,\n' +
' "d": false,\n' +
' "e": [\n' +
' 1,\n' +
' 2,\n' +
' 3\n' +
' ],\n' +
' "f": {\n' +
' "g": "h"\n' +
' }\n' +
'}')
})
it('should limit stringified output', () => {
const json = {
a: 2,
b: 'foo',
c: null,
d: false,
e: [1, 2, 3],
f: { g: 'h' }
}
const all = '{"a":2,"b":"foo","c":null,"d":false,"e":[1,2,3],"f":{"g":"h"}}'
const limit = 20
assert.strictEqual(stringifyPartial(json, undefined, limit),
all.slice(0, limit) + '...')
assert.strictEqual(stringifyPartial(json, undefined, all.length), all)
assert.strictEqual(stringifyPartial([1, 2, 3, 4, 5, 6, 7, 8, 9, 10], undefined, 10),
'[1,2,3,4,5...')
assert.strictEqual(stringifyPartial(12345678, undefined, 4), '1234...')
})
it('should count array items', () => {
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// assert.strictEqual(countArrayItems('[1,2,3]'), 3)
assert.strictEqual(containsArray('[]'), true)
assert.strictEqual(containsArray(' []'), true)
assert.strictEqual(containsArray(' \t []'), true)
assert.strictEqual(containsArray(' \t\n []'), true)
assert.strictEqual(containsArray('"["'), false)
assert.strictEqual(containsArray('2'), false)
assert.strictEqual(containsArray('null'), false)
assert.strictEqual(containsArray('{}'), false)
})
})