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author | Nevena Bojovic <nenabojov@gmail.com> | 2022-03-01 20:05:50 +0100 |
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committer | Nevena Bojovic <nenabojov@gmail.com> | 2022-03-01 20:05:50 +0100 |
commit | 291803c31f829fe0d32bb3207bc11def95a7408c (patch) | |
tree | c7d43107d79291b19d8c9eceefbe91c9f9a52acf /sandbox/testAppNevena/Front/node_modules/err-code/test/test.js | |
parent | 1fa69862057db4db53cfda5be9c24b4228ef63f7 (diff) |
Urađena test aplikacija. Povezan front i back.
Diffstat (limited to 'sandbox/testAppNevena/Front/node_modules/err-code/test/test.js')
-rw-r--r-- | sandbox/testAppNevena/Front/node_modules/err-code/test/test.js | 159 |
1 files changed, 159 insertions, 0 deletions
diff --git a/sandbox/testAppNevena/Front/node_modules/err-code/test/test.js b/sandbox/testAppNevena/Front/node_modules/err-code/test/test.js new file mode 100644 index 00000000..22ba0a8a --- /dev/null +++ b/sandbox/testAppNevena/Front/node_modules/err-code/test/test.js @@ -0,0 +1,159 @@ +'use strict'; + +const errcode = require('../index'); +const expect = require('expect.js'); + +describe('errcode', () => { + describe('string as first argument', () => { + it('should throw an error', () => { + expect(() => { errcode('my message'); }).to.throwError((err) => { + expect(err).to.be.a(TypeError); + }); + }); + }); + + describe('error as first argument', () => { + it('should accept an error and do nothing', () => { + const myErr = new Error('my message'); + const err = errcode(myErr); + + expect(err).to.be(myErr); + expect(err.hasOwnProperty(err.code)).to.be(false); + }); + + it('should accept an error and add a code', () => { + const myErr = new Error('my message'); + const err = errcode(myErr, 'ESOME'); + + expect(err).to.be(myErr); + expect(err.code).to.be('ESOME'); + }); + + it('should accept an error object and add code & properties', () => { + const myErr = new Error('my message'); + const err = errcode(myErr, 'ESOME', { foo: 'bar', bar: 'foo' }); + + expect(err).to.be.an(Error); + expect(err.code).to.be('ESOME'); + expect(err.foo).to.be('bar'); + expect(err.bar).to.be('foo'); + }); + + it('should create an error object without code but with properties', () => { + const myErr = new Error('my message'); + const err = errcode(myErr, { foo: 'bar', bar: 'foo' }); + + expect(err).to.be.an(Error); + expect(err.code).to.be(undefined); + expect(err.foo).to.be('bar'); + expect(err.bar).to.be('foo'); + }); + + it('should set a non-writable field', () => { + const myErr = new Error('my message'); + + Object.defineProperty(myErr, 'code', { + value: 'derp', + writable: false, + }); + const err = errcode(myErr, 'ERR_WAT'); + + expect(err).to.be.an(Error); + expect(err.stack).to.equal(myErr.stack); + expect(err.code).to.be('ERR_WAT'); + }); + + it('should add a code to frozen object', () => { + const myErr = new Error('my message'); + const err = errcode(Object.freeze(myErr), 'ERR_WAT'); + + expect(err).to.be.an(Error); + expect(err.stack).to.equal(myErr.stack); + expect(err.code).to.be('ERR_WAT'); + }); + + it('should to set a field that throws at assignment time', () => { + const myErr = new Error('my message'); + + Object.defineProperty(myErr, 'code', { + enumerable: true, + set() { + throw new Error('Nope!'); + }, + get() { + return 'derp'; + }, + }); + const err = errcode(myErr, 'ERR_WAT'); + + expect(err).to.be.an(Error); + expect(err.stack).to.equal(myErr.stack); + expect(err.code).to.be('ERR_WAT'); + }); + + it('should retain error type', () => { + const myErr = new TypeError('my message'); + + Object.defineProperty(myErr, 'code', { + value: 'derp', + writable: false, + }); + const err = errcode(myErr, 'ERR_WAT'); + + expect(err).to.be.a(TypeError); + expect(err.stack).to.equal(myErr.stack); + expect(err.code).to.be('ERR_WAT'); + }); + + it('should add a code to a class that extends Error', () => { + class CustomError extends Error { + set code(val) { + throw new Error('Nope!'); + } + } + + const myErr = new CustomError('my message'); + + Object.defineProperty(myErr, 'code', { + value: 'derp', + writable: false, + configurable: false, + }); + const err = errcode(myErr, 'ERR_WAT'); + + expect(err).to.be.a(CustomError); + expect(err.stack).to.equal(myErr.stack); + expect(err.code).to.be('ERR_WAT'); + + // original prototype chain should be intact + expect(() => { + const otherErr = new CustomError('my message'); + + otherErr.code = 'derp'; + }).to.throwError(); + }); + + it('should support errors that are not Errors', () => { + const err = errcode({ + message: 'Oh noes!', + }, 'ERR_WAT'); + + expect(err.message).to.be('Oh noes!'); + expect(err.code).to.be('ERR_WAT'); + }); + }); + + describe('falsy first arguments', () => { + it('should not allow passing null as the first argument', () => { + expect(() => { errcode(null); }).to.throwError((err) => { + expect(err).to.be.a(TypeError); + }); + }); + + it('should not allow passing undefined as the first argument', () => { + expect(() => { errcode(undefined); }).to.throwError((err) => { + expect(err).to.be.a(TypeError); + }); + }); + }); +}); |