test work

pos-frontend/.eslintrc.json

@@ -1,3 +1,6 @@
 {
-  "extends": "next/core-web-vitals"
-}
+  "extends": [
+    "next/babel",
+    "next/core-web-vitals"
+  ]
+}

pos-frontend/.gitignore

@@ -34,3 +34,5 @@ yarn-error.log*
 # typescript
 *.tsbuildinfo
 next-env.d.ts
+
+mydb

pos-frontend/__test__/page.test.jsx

@@ -0,0 +1,13 @@
+import '@testing-library/jest-dom'
+import { render, screen } from '@testing-library/react'
+import Page from '../app/page'
+
+describe('Page', () => {
+  it('renders a heading', () => {
+    render(<Page />)
+
+    const heading = screen.getByRole('heading', { level: 1 })
+
+    expect(heading).toBeInTheDocument()
+  })
+})

pos-frontend/__test__/rocksdb.test.jsx

@@ -0,0 +1,22 @@
+const level = require('level-rocksdb')
+
+describe('Database', () => {
+  it('DB WORKS', () => {
+    // 1) Create our database, supply location and options.
+    //    This will create or open the underlying RocksDB store.
+    const db = level('./mydb')
+
+    // 2) Put a key & value
+    db.put('name', 'Level', function (err) {
+      if (err) return console.log('Ooops!', err) // some kind of I/O error
+
+      // 3) Fetch by key
+      db.get('name', function (err, value) {
+        if (err) return console.log('Ooops!', err) // likely the key was not found
+
+        // Ta da!
+        console.log('name=' + value)
+      })
+    })
+  })
+})

pos-frontend/app/page.tsx

@@ -6,6 +6,8 @@ import { Box, Flex } from '@chakra-ui/react'
 export default function Page() {
   return (
     <Flex>
+      <h1>Home</h1>
+
       <Box>
         Flex
       </Box>

pos-frontend/jest.config.ts

@@ -0,0 +1,205 @@
+/**
+ * For a detailed explanation regarding each configuration property, visit:
+ * https://jestjs.io/docs/configuration
+ */
+
+import type { Config } from 'jest'
+import nextJest from 'next/jest.js'
+
+const createJestConfig = nextJest({
+  // Provide the path to your Next.js app to load next.config.js and .env files in your test environment
+  dir: './',
+})
+
+const config: Config = {
+  // All imported modules in your tests should be mocked automatically
+  // automock: false,
+
+  // Stop running tests after `n` failures
+  // bail: 0,
+
+  // The directory where Jest should store its cached dependency information
+  // cacheDirectory: "/private/var/folders/q7/mm__k43d4hggf3bwtkyrvbn00000gn/T/jest_dx",
+
+  // Automatically clear mock calls, instances, contexts and results before every test
+  // clearMocks: false,
+
+  // Indicates whether the coverage information should be collected while executing the test
+  collectCoverage: true,
+
+  // An array of glob patterns indicating a set of files for which coverage information should be collected
+  // collectCoverageFrom: undefined,
+
+  // The directory where Jest should output its coverage files
+  coverageDirectory: "coverage",
+
+  // An array of regexp pattern strings used to skip coverage collection
+  // coveragePathIgnorePatterns: [
+  //   "/node_modules/"
+  // ],
+
+  // Indicates which provider should be used to instrument code for coverage
+  coverageProvider: "v8",
+
+  // A list of reporter names that Jest uses when writing coverage reports
+  // coverageReporters: [
+  //   "json",
+  //   "text",
+  //   "lcov",
+  //   "clover"
+  // ],
+
+  // An object that configures minimum threshold enforcement for coverage results
+  // coverageThreshold: undefined,
+
+  // A path to a custom dependency extractor
+  // dependencyExtractor: undefined,
+
+  // Make calling deprecated APIs throw helpful error messages
+  // errorOnDeprecated: false,
+
+  // The default configuration for fake timers
+  // fakeTimers: {
+  //   "enableGlobally": false
+  // },
+
+  // Force coverage collection from ignored files using an array of glob patterns
+  // forceCoverageMatch: [],
+
+  // A path to a module which exports an async function that is triggered once before all test suites
+  // globalSetup: undefined,
+
+  // A path to a module which exports an async function that is triggered once after all test suites
+  // globalTeardown: undefined,
+
+  // A set of global variables that need to be available in all test environments
+  // globals: {},
+
+  // The maximum amount of workers used to run your tests. Can be specified as % or a number. E.g. maxWorkers: 10% will use 10% of your CPU amount + 1 as the maximum worker number. maxWorkers: 2 will use a maximum of 2 workers.
+  // maxWorkers: "50%",
+
+  // An array of directory names to be searched recursively up from the requiring module's location
+  // moduleDirectories: [
+  //   "node_modules"
+  // ],
+
+  // An array of file extensions your modules use
+  // moduleFileExtensions: [
+  //   "js",
+  //   "mjs",
+  //   "cjs",
+  //   "jsx",
+  //   "ts",
+  //   "tsx",
+  //   "json",
+  //   "node"
+  // ],
+
+  // A map from regular expressions to module names or to arrays of module names that allow to stub out resources with a single module
+  // moduleNameMapper: {},
+
+  // An array of regexp pattern strings, matched against all module paths before considered 'visible' to the module loader
+  // modulePathIgnorePatterns: [],
+
+  // Activates notifications for test results
+  // notify: false,
+
+  // An enum that specifies notification mode. Requires { notify: true }
+  // notifyMode: "failure-change",
+
+  // A preset that is used as a base for Jest's configuration
+  // preset: undefined,
+
+  // Run tests from one or more projects
+  // projects: undefined,
+
+  // Use this configuration option to add custom reporters to Jest
+  // reporters: undefined,
+
+  // Automatically reset mock state before every test
+  // resetMocks: false,
+
+  // Reset the module registry before running each individual test
+  // resetModules: false,
+
+  // A path to a custom resolver
+  // resolver: undefined,
+
+  // Automatically restore mock state and implementation before every test
+  // restoreMocks: false,
+
+  // The root directory that Jest should scan for tests and modules within
+  // rootDir: undefined,
+
+  // A list of paths to directories that Jest should use to search for files in
+  // roots: [
+  //   "<rootDir>"
+  // ],
+
+  // Allows you to use a custom runner instead of Jest's default test runner
+  // runner: "jest-runner",
+
+  // The paths to modules that run some code to configure or set up the testing environment before each test
+  // setupFiles: [],
+
+  // A list of paths to modules that run some code to configure or set up the testing framework before each test
+  // setupFilesAfterEnv: [],
+
+  // The number of seconds after which a test is considered as slow and reported as such in the results.
+  // slowTestThreshold: 5,
+
+  // A list of paths to snapshot serializer modules Jest should use for snapshot testing
+  // snapshotSerializers: [],
+
+  // The test environment that will be used for testing
+  testEnvironment: 'jsdom',
+
+  // Options that will be passed to the testEnvironment
+  // testEnvironmentOptions: {},
+
+  // Adds a location field to test results
+  // testLocationInResults: false,
+
+  // The glob patterns Jest uses to detect test files
+  // testMatch: [
+  //   "**/__tests__/**/*.[jt]s?(x)",
+  //   "**/?(*.)+(spec|test).[tj]s?(x)"
+  // ],
+
+  // An array of regexp pattern strings that are matched against all test paths, matched tests are skipped
+  // testPathIgnorePatterns: [
+  //   "/node_modules/"
+  // ],
+
+  // The regexp pattern or array of patterns that Jest uses to detect test files
+  // testRegex: [],
+
+  // This option allows the use of a custom results processor
+  // testResultsProcessor: undefined,
+
+  // This option allows use of a custom test runner
+  // testRunner: "jest-circus/runner",
+
+  // A map from regular expressions to paths to transformers
+  // transform: undefined,
+
+  // An array of regexp pattern strings that are matched against all source file paths, matched files will skip transformation
+  // transformIgnorePatterns: [
+  //   "/node_modules/",
+  //   "\\.pnp\\.[^\\/]+$"
+  // ],
+
+  // An array of regexp pattern strings that are matched against all modules before the module loader will automatically return a mock for them
+  // unmockedModulePathPatterns: undefined,
+
+  // Indicates whether each individual test should be reported during the run
+  // verbose: undefined,
+
+  // An array of regexp patterns that are matched against all source file paths before re-running tests in watch mode
+  // watchPathIgnorePatterns: [],
+
+  // Whether to use watchman for file crawling
+  // watchman: true,
+}
+
+export default createJestConfig(config)

pos-frontend/package.json

@@ -7,7 +7,8 @@
     "build": "next build",
     "start": "next start",
     "lint": "next lint",
-    "test": "mocha --require ts-node/register test/**/*.test.ts"
+    "test": "jest",
+    "test:watch": "jest --watch"
   },
   "dependencies": {
     "@chakra-ui/next-js": "^2.2.0",
@@ -15,12 +16,15 @@
     "@emotion/react": "^11.11.4",
     "@emotion/styled": "^11.11.5",
     "framer-motion": "^11.0.25",
+    "level-rocksdb": "^5.0.0",
     "next": "14.1.4",
     "react": "^18",
     "react-dom": "^18",
     "rocksdb": "^5.2.1"
   },
   "devDependencies": {
+    "@testing-library/jest-dom": "^6.4.2",
+    "@testing-library/react": "^14.2.2",
     "@types/chai": "^4.3.14",
     "@types/mocha": "^10.0.6",
     "@types/node": "^20",
@@ -31,9 +35,11 @@
     "chai": "^5.1.0",
     "eslint": "^8",
     "eslint-config-next": "14.1.4",
+    "jest": "^29.7.0",
+    "jest-environment-jsdom": "^29.7.0",
     "mocha": "^10.4.0",
     "sinon": "^17.0.1",
     "ts-node": "^10.9.2",
     "typescript": "^5"
   }
-}
+}

pos-frontend/test/db.test.ts

@@ -1,24 +0,0 @@
-import * as assert from 'assert'
-
-suite('Database Test Suite', () => {
-	test('Test database', () => {
-		const level = require('level-rocksdb')
-
-		// 1) Create our database, supply location and options.
-		//    This will create or open the underlying RocksDB store.
-		const db = level('./mydb')
-
-		// 2) Put a key & value
-		db.put('name', 'Level', function (err: any) {
-			if (err) return console.log('Ooops!', err) // some kind of I/O error
-
-			// 3) Fetch by key
-			db.get('name', function (err: any, value: any) {
-				if (err) return console.log('Ooops!', err) // likely the key was not found
-
-				// Ta da!
-				console.log('name=' + value)
-			})
-		})
-	})
-})