feat: Добавлена конфигурация Jest для unit тестирования, установлены соответствующие библиотеки

config/jest/JestEmptyComponent.tsx

@@ -0,0 +1,3 @@
+const JestEmptyComponent = () => <div />
+
+export default JestEmptyComponent

config/jest/jest.config.ts

@@ -0,0 +1,193 @@
+/*
+ * For a detailed explanation regarding each configuration property and type check, visit:
+ * https://jestjs.io/docs/configuration
+ */
+
+import path from 'path'
+
+export default {
+  // Automatically clear mock calls, instances and results before every test
+  clearMocks: true,
+
+  // The test environment that will be used for testing
+  testEnvironment: 'jsdom',
+
+  // An array of regexp pattern strings used to skip coverage collection
+  coveragePathIgnorePatterns: ['/node_modules/'],
+
+  // An array of regexp pattern strings that are matched against all test paths, matched tests are skipped
+  testPathIgnorePatterns: ['/node_modules/', '<rootDir>/.fttemplates/'],
+
+  // 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', 'jsx', 'ts', 'tsx', 'json', 'node'],
+
+  // The root directory that Jest should scan for tests and modules within
+  rootDir: '../../',
+
+  // The glob patterns Jest uses to detect test files
+  testMatch: [
+    '**/__tests__/**/*.[jt]s?(x)',
+    '**/?(*.)+(spec|test).[tj]s?(x)',
+    '<rootDir>src/**/*(*.)/@(spec|test)/[tj]s?(x)',
+  ],
+
+  // 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: {
+    '\\.(css|scss)$': 'identity-obj-proxy',
+    '\\.(svg)$': path.resolve(__dirname, 'JestEmptyComponent.tsx'),
+  },
+
+  // A list of paths to modules that run some code to configure or set up the testing framework before each test
+  setupFilesAfterEnv: ['<rootDir>/config/jest/setupTests.ts'],
+
+  // A set of global variables that need to be available in all test environments
+  globals: {
+    __IS_DEV__: true,
+    __API__: '',
+    __PROJECT__: 'jest',
+  },
+
+  modulePaths: ['<rootDir>/src'],
+
+  // 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: "/tmp/jest_rs",
+
+  // Indicates whether the coverage information should be collected while executing the test
+  // collectCoverage: false,
+
+  // 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: undefined,
+
+  // Indicates which provider should be used to instrument code for coverage
+  // coverageProvider: "babel",
+
+  // 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,
+
+  // 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,
+
+  // 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 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,
+
+  // 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: [],
+
+  // 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: [],
+
+  // Options that will be passed to the testEnvironment
+  // testEnvironmentOptions: {},
+
+  // Adds a location field to test results
+  // testLocationInResults: false,
+
+  // 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",
+
+  // This option sets the URL for the jsdom environment. It is reflected in properties such as location.href
+  // testURL: "http://localhost",
+
+  // Setting this value to "fake" allows the use of fake timers for functions such as "setTimeout"
+  // timers: "real",
+
+  // 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,
+}

config/jest/setupTests.ts

@@ -0,0 +1,2 @@
+import '@testing-library/jest-dom/extend-expect'
+import 'regenerator-runtime/runtime'

package.json

@@ -9,6 +9,7 @@
         "build:dev": "webpack --env mode=development",
         "lint": "eslint src --ext .ts,.tsx",
         "lint:styles": "stylelint 'src/**/*.{css,scss}' --allow-empty-input",
+        "test:unit": "jest --config ./config/jest/jest.config.ts",
         "type-check": "tsc --noEmit",
         "prepare": "husky",
         "pre-push": "pnpm type-check && pnpm lint && pnpm lint:styles && pnpm build:prod",
@@ -39,6 +40,9 @@
         "@storybook/react": "^8.6.14",
         "@storybook/react-webpack5": "^8.6.14",
         "@svgr/webpack": "^8.1.0",
+        "@testing-library/jest-dom": "^6.9.1",
+        "@testing-library/react": "^16.3.0",
+        "@types/jest": "^30.0.0",
         "@types/node": "^22.0.0",
         "@types/react": "^19.0.0",
         "@types/react-dom": "^19.0.0",
@@ -61,9 +65,11 @@
         "globals": "^15.12.0",
         "html-webpack-plugin": "^5.6.0",
         "husky": "^9.1.0",
+        "jest": "^30.2.0",
         "mini-css-extract-plugin": "^2.9.0",
         "prettier": "^3.4.0",
         "react-refresh": "^0.14.2",
+        "regenerator-runtime": "^0.14.1",
         "sass": "^1.81.0",
         "sass-loader": "^16.0.0",
         "storybook": "^8.6.14",