fix: add UTs

Author: kobenguyent

.github/workflows/npm-publish.yml

@@ -10,6 +10,7 @@ on:
  - master
 
 jobs:
+
  publish-npm:
  runs-on: ubuntu-latest
  steps:

.github/workflows/test.yml

@@ -0,0 +1,23 @@
+name: Unit tests
+
+on: [push]
+
+jobs:
+ test:
+
+ runs-on: ubuntu-latest
+
+ strategy:
+ matrix:
+ node-version: [16.x, 18.x]
+
+ steps:
+ - uses: actions/checkout@v3
+ - name: Use Node.js ${{ matrix.node-version }}
+ uses: actions/setup-node@v3
+ with:
+ node-version: ${{ matrix.node-version }}
+ - name: run unit tests
+ run: |
+ npm i
+ npm test

.gitignore

@@ -63,3 +63,4 @@ typings/
 #webstorm
 .idea
 dist
+coverage

__test__/index.spec.ts

@@ -0,0 +1,77 @@
+import ResembleHelper from "../src";
+const { container } = require('codeceptjs');
+const helpers = container.helpers();
+
+let helper = new ResembleHelper({baseFolder: 'string',
+ diffFolder: 'string',
+ screenshotFolder: 'string',
+ prepareBaseImage: 'string'})
+
+describe('_getHelper()', () => {
+ test('should return error when no matching helper found', () => {
+ try {
+ helper._getHelper()
+ } catch (e: any) {
+ expect(e.message).toEqual('No matching helper found. Supported helpers: Playwright/Puppeteer/WebDriver/TestCafe/Appium')
+ }
+ });
+
+ test('should return matching helper', () => {
+ helpers['Playwright'] = { hello: 1 }
+ expect(helper._getHelper()).toEqual({ hello: 1 })
+ });
+})
+
+
+describe('_getPrepareBaseImage()', () => {
+ beforeAll(() => {
+ helpers['Playwright'] = { hello: 1 }
+ })
+ test('should return false when no prepareBaseImage is provided', () => {
+ expect(helper._getPrepareBaseImage({ hello: 1 })).toBeFalsy()
+ });
+
+ test('should return true when prepareBaseImage matched with config', () => {
+ expect(helper._getPrepareBaseImage({ prepareBaseImage: 'string' })).toBeTruthy()
+ });
+})
+
+describe('_getDiffImagePath()', () => {
+ beforeAll(() => {
+ helpers['Playwright'] = { hello: 1 }
+ })
+ test('should return diffImagePath', () => {
+ expect(helper._getDiffImagePath('hello')).toContain('Diff_hello.png')
+ });
+
+})
+
+describe('_getActualImagePath()', () => {
+ beforeAll(() => {
+ helpers['Playwright'] = { hello: 1 }
+ })
+ test('should return ActualImagePath', () => {
+ expect(helper._getActualImagePath('hello')).toContain('hello')
+ });
+
+})
+
+describe('_getBaseImagePath()', () => {
+ beforeAll(() => {
+ helpers['Playwright'] = { hello: 1 }
+ })
+ test('should return BaseImagePath', () => {
+ expect(helper._getBaseImagePath('hello', {})).toContain('hello')
+ });
+
+})
+
+describe('resolvePath()', () => {
+ beforeAll(() => {
+ helpers['Playwright'] = { hello: 1 }
+ })
+ test('should return resolvePath', () => {
+ expect(helper.resolvePath('hello')).toContain('hello')
+ });
+
+})

jest.config.js

@@ -0,0 +1,5 @@
+/** @type {import('ts-jest').JestConfigWithTsJest} */
+module.exports = {
+ preset: 'ts-jest',
+ testEnvironment: 'node',
+};