a bit tests

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Primakov Alexandr Alexandrovich 2024-05-18 15:32:04 +03:00
parent 2ce27bf8de
commit 8cea7dd0f9
5 changed files with 2882 additions and 1 deletions

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jest.config.js Normal file
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/**
* For a detailed explanation regarding each configuration property, visit:
* https://jestjs.io/docs/configuration
*/
/** @type {import('jest').Config} */
const 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: "C:\\Users\\alex\\AppData\\Local\\Temp\\jest",
// Automatically clear mock calls, instances, contexts and results before every test
clearMocks: true,
// 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: [
'<rootDir>/src/**/*',
// '!<rootDir>/src/**/index.tsx',
// '!<rootDir>/src/**/global-styles.tsx',
],
// 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: 'ts-jest',
// 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,
};
module.exports = config;

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package-lock.json generated

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"doc": "docs"
},
"scripts": {
"test": "echo \"Error: no test specified\" && exit 1",
"test": "jest",
"start": "ijl-cli server --port=8099 --with-open-browser",
"build": "npm run clean && ijl-cli build --dev",
"build:prod": "npm run clean && ijl-cli build",
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"@types/react": "^18.2.74",
"@types/react-dom": "^18.2.24",
"express": "^4.19.2",
"jest-environment-jsdom": "^29.7.0",
"react": "^18.2.0",
"react-dom": "^18.2.0",
"react-router-dom": "^6.23.0",
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},
"devDependencies": {
"@eslint/js": "^9.3.0",
"@jest/globals": "^29.7.0",
"@types/jest": "^29.5.12",
"eslint": "^8.57.0",
"eslint-plugin-react": "^7.34.1",
"globals": "^15.2.0",
"jest": "^29.7.0",
"ts-jest": "^29.1.2",
"typescript-eslint": "^7.9.0"
}
}

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src/__tests__/sum.test.ts Normal file
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import { it, expect, describe } from '@jest/globals'
import { sum } from '../utils/sum'
describe('sum', () => {
it('works with numbers', () => {
expect(sum(1, 2)).toBe(3)
expect(sum(-1, 2)).toBe(1)
})
it('works with numbers and strings', () => {
expect(sum(1, '2')).toBe(3)
})
})

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src/utils/sum.ts Normal file
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export const sum = (a: any, b: number | string): number => {
if (typeof a === 'string') {
throw new Error('a must be a number');
}
return a + +b
};