Changes after environment reset

Added Jest
Added services from RSN-12
Split .gitignore

Client/reasn-client/.gitignore

@@ -8,6 +8,15 @@ node_modules
 # testing
 coverage
 
+# yarn
+.yarn/*
+!.yarn/cache
+!.yarn/patches
+!.yarn/plugins
+!.yarn/releases
+!.yarn/sdks
+!.yarn/versions
+
 # next.js
 .next/
 .swc/

Client/reasn-client/jest.config.ts

@@ -0,0 +1,206 @@
+/**
+ * For a detailed explanation regarding each configuration property, visit:
+ * https://jestjs.io/docs/configuration
+ */
+
+import type { JestConfigWithTsJest } from 'ts-jest'
+
+const config: JestConfigWithTsJest = {
+  // 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\\katan\\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: 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,
+
+  // 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: {
+    "^@reasn/common/services/(.*)$": "<rootDir>/packages/common/services/$1",
+    "^@reasn/common/enums/(.*)$": "<rootDir>/packages/common/enums/$1",
+    "^@reasn/common/interfaces/(.*)$": "<rootDir>/packages/common/interfaces/$1",
+    "^@reasn/common/errors/(.*)$": "<rootDir>/packages/common/errors/$1",
+  },
+
+  // 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: ['jest-fetch-mock'],
+
+  // 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: "node",
+
+  // 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: {
+    "^.+\\.(ts|tsx)?$": "ts-jest"
+  },
+
+  // 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 config;

Client/reasn-client/package.json

@@ -11,10 +11,16 @@
     "dev:mobile": "turbo run dev --filter=native --filter=@reasn/ui --filter=@reasn/typescript-config",
     "build": "turbo run build",
     "clean": "turbo run clean && rm -rf node_modules",
-    "format": "prettier --write \"**/*.{ts,tsx,js,jsx,json,md}\" --ignore-path .gitignore"
+    "format": "prettier --write \"**/*.{ts,tsx,js,jsx,json,md}\" --ignore-path .gitignore",
+    "test": "jest"
   },
   "devDependencies": {
+    "@types/jest": "^29.5.12",
+    "jest": "^29.7.0",
+    "jest-fetch-mock": "^3.0.3",
     "prettier": "^3.1.1",
+    "ts-jest": "^29.1.2",
+    "ts-node": "^10.9.2",
     "turbo": "latest"
   },
   "packageManager": "[email protected]",

Client/reasn-client/packages/common/__tests__/services/apiServices.test.ts

@@ -0,0 +1,80 @@
+import { sendRequest } from '@reasn/common/services/apiServices';
+import { getAuthDataFromSessionStorage } from '@reasn/common/services/authorizationServices';
+import { AuthData } from "@reasn/common/interfaces/AuthData";
+import { HttpMethod } from '@reasn/common/enums/serviceEnums';
+import { describe, expect, it, jest, beforeEach } from '@jest/globals';
+import fetch from 'cross-fetch';
+import ApiConnectionError from '@reasn/common/errors/ApiConnectionError';
+import ApiAuthorizationError from '@reasn/common/errors/ApiAuthorizationError';
+
+jest.mock('cross-fetch');
+jest.mock('@reasn/common/services/authorizationServices');
+
+describe('sendRequest', () => {
+    beforeEach(() => {
+        (fetch as jest.Mock).mockClear();
+        (getAuthDataFromSessionStorage as jest.Mock).mockClear();
+      });
+
+  it('should return data when response is ok', async () => {
+    const mockData = { key: 'value' };
+    (fetch as jest.Mock).mockImplementationOnce(() => ({
+        ok: true,
+        json: () => Promise.resolve(mockData),
+      }));
+
+    const data = await sendRequest('http://example.com', HttpMethod.GET);
+
+    expect(data).toEqual(mockData);
+  });
+
+  it('should throw an API error when response is not ok', async () => {
+    const mockData = { message: 'Error message' };
+    (fetch as jest.Mock).mockImplementationOnce(() => ({
+        ok: false,
+        status: 500,
+        statusText: mockData.message,
+        json: () => Promise.resolve(mockData),
+      }));
+
+    await expect(sendRequest('http://example.com', HttpMethod.GET)).rejects.toThrow(ApiConnectionError);
+  });
+
+  it('should include auth token in headers when authRequired is true', async () => {
+    const mockData = { key: 'value' };
+    (fetch as jest.Mock).mockImplementationOnce(() => ({
+        ok: true,
+        json: () => Promise.resolve(mockData),
+      }));
+    (getAuthDataFromSessionStorage as jest.Mock).mockReturnValueOnce({ token: 'token' } as AuthData);
+
+    await sendRequest('http://example.com', HttpMethod.GET, {}, true);
+
+    expect(fetch).toHaveBeenCalledWith('http://example.com', {
+        method: HttpMethod.GET,
+        headers: { Authorization: 'Bearer token' },
+      });
+  });
+
+  it('should have correct fetch options', async () => {
+    const mockData = { key: 'value' };
+    (fetch as jest.Mock).mockImplementationOnce(() => ({
+        ok: true,
+        json: () => Promise.resolve(mockData),
+      }));
+
+    await sendRequest('http://example.com', HttpMethod.POST, { key: 'value' });
+
+    expect(fetch).toHaveBeenCalledWith('http://example.com', {
+        method: HttpMethod.POST,
+        headers: {},
+        body: JSON.stringify({ key: 'value' }),
+      });
+  });
+
+  it('should throw an AUTH error when authRequired is true and no auth data is found', async () => {
+    (getAuthDataFromSessionStorage as jest.Mock).mockReturnValueOnce(null);
+
+    await expect(sendRequest('http://example.com', HttpMethod.GET, {}, true)).rejects.toThrow(ApiAuthorizationError);
+  });
+});

Client/reasn-client/packages/common/enums/serviceEnums.ts

@@ -0,0 +1,18 @@
+/**
+ * Enum representing HTTP methods.
+ */
+export enum HttpMethod {
+    GET = "GET",
+    POST = "POST",
+    DELETE = "DELETE",
+    PUT = "PUT"
+}
+
+/**
+ * Enum representing available user roles.
+ */
+export enum UserRole {
+    ADMIN = 'admin',
+    USER = 'user',
+    ORGANIZER = 'organizer'
+}

Client/reasn-client/packages/common/errors/ApiAuthorizationError.ts

@@ -0,0 +1,18 @@
+/**
+ * Represents an error that occurs when there is a problem with the authorization token when API service is used.
+ */
+class ApiAuthorizationError extends Error {
+    message: string
+
+    /**
+     * Creates a new instance of the ApiAuthorizationError class.
+     * @param message The error message.
+     */
+    constructor(message: string) {
+        super(message)
+        this.message = message
+        this.name = 'ApiAuthorizationError'
+    }
+}
+
+export default ApiAuthorizationError

Client/reasn-client/packages/common/errors/ApiConnectionError.ts

@@ -0,0 +1,22 @@
+
+/**
+ * Represents an error that occurs when there is a problem with the API connection.
+ */
+class ApiConnectionError extends Error {
+    statusCode: number
+    message: string
+
+    /**
+     * Creates a new instance of the ApiConnectionError class.
+     * @param statusCode The HTTP status code associated with the error.
+     * @param message The error message.
+     */
+    constructor(statusCode: number, message: string) {
+        super(message)
+        this.statusCode = statusCode
+        this.message = message
+        this.name = 'ApiConnectionError'
+    }
+}
+
+export default ApiConnectionError

Client/reasn-client/packages/common/interfaces/AuthData.ts

@@ -0,0 +1,9 @@
+import { UserRole } from "@reasn/common/enums/serviceEnums"
+
+/**
+ * Represents the authentication data.
+ */
+export interface AuthData {
+    token: string
+    role: UserRole
+}