{ "compilerOptions": { /* Visit https:///tsconfig.json to read more about this file */
/* Projects */ // "incremental": true, /* Enable incremental compilation */ // "composite": true, /* Enable constraints that allow a TypeScript project to be used with project references. */ // "tsBuildInfoFile": "./", /* Specify the folder for .tsbuildinfo incremental compilation files. */ // "disableSourceOfProjectReferenceRedirect": true, /* Disable preferring source files instead of declaration files when referencing composite projects */ // "disableSolutionSearching": true, /* Opt a project out of multi-project reference checking when editing. */ // "disableReferencedProjectLoad": true, /* Reduce the number of projects loaded automatically by TypeScript. */
/* Language and Environment */ "target": "es2016", /* Set the JavaScript language version for emitted JavaScript and include compatible library declarations. */ // "lib": [], /* Specify a set of bundled library declaration files that describe the target runtime environment. */ // "jsx": "preserve", /* Specify what JSX code is generated. */ // "experimentalDecorators": true, /* Enable experimental support for TC39 stage 2 draft decorators. */ // "emitDecoratorMetadata": true, /* Emit design-type metadata for decorated declarations in source files. */ // "jsxFactory": "", /* Specify the JSX factory function used when targeting React JSX emit, e.g. 'React.createElement' or 'h' */ // "jsxFragmentFactory": "", /* Specify the JSX Fragment reference used for fragments when targeting React JSX emit e.g. 'React.Fragment' or 'Fragment'. */ // "jsxImportSource": "", /* Specify module specifier used to import the JSX factory functions when using `jsx: react-jsx*`.` */ // "reactNamespace": "", /* Specify the object invoked for `createElement`. This only applies when targeting `react` JSX emit. */ // "noLib": true, /* Disable including any library files, including the default lib.d.ts. */ // "useDefineForClassFields": true, /* Emit ECMAScript-standard-compliant class fields. */
/* Modules */ "module": "commonjs", /* Specify what module code is generated. */ // "rootDir": "./", /* Specify the root folder within your source files. */ // "moduleResolution": "node", /* Specify how TypeScript looks up a file from a given module specifier. */ // "baseUrl": "./", /* Specify the base directory to resolve non-relative module names. */ // "paths": {}, /* Specify a set of entries that re-map imports to additional lookup locations. */ // "rootDirs": [], /* Allow multiple folders to be treated as one when resolving modules. */ // "typeRoots": [], /* Specify multiple folders that act like `./node_modules/@types`. */ // "types": [], /* Specify type package names to be included without being referenced in a source file. */ // "allowUmdGlobalAccess": true, /* Allow accessing UMD globals from modules. */ // "resolveJsonModule": true, /* Enable importing .json files */ // "noResolve": true, /* Disallow `import`s, `require`s or `<reference>`s from expanding the number of files TypeScript should add to a project. */
/* JavaScript Support */ // "allowJs": true, /* Allow JavaScript files to be a part of your program. Use the `checkJS` option to get errors from these files. */ // "checkJs": true, /* Enable error reporting in type-checked JavaScript files. */ // "maxNodeModuleJsDepth": 1, /* Specify the maximum folder depth used for checking JavaScript files from `node_modules`. Only applicable with `allowJs`. */
/* Emit */ // "declaration": true, /* Generate .d.ts files from TypeScript and JavaScript files in your project. */ // "declarationMap": true, /* Create sourcemaps for d.ts files. */ // "emitDeclarationOnly": true, /* Only output d.ts files and not JavaScript files. */ "sourceMap": true, /* Create source map files for emitted JavaScript files. */ // "outFile": "./", /* Specify a file that bundles all outputs into one JavaScript file. If `declaration` is true, also designates a file that bundles all .d.ts output. */ "outDir": "dist", /* Specify an output folder for all emitted files. */ // "removeComments": true, /* Disable emitting comments. */ // "noEmit": true, /* Disable emitting files from a compilation. */ // "importHelpers": true, /* Allow importing helper functions from tslib once per project, instead of including them per-file. */ // "importsNotUsedAsValues": "remove", /* Specify emit/checking behavior for imports that are only used for types */ // "downlevelIteration": true, /* Emit more compliant, but verbose and less performant JavaScript for iteration. */ // "sourceRoot": "", /* Specify the root path for debuggers to find the reference source code. */ // "mapRoot": "", /* Specify the location where debugger should locate map files instead of generated locations. */ // "inlineSourceMap": true, /* Include sourcemap files inside the emitted JavaScript. */ // "inlineSources": true, /* Include source code in the sourcemaps inside the emitted JavaScript. */ // "emitBOM": true, /* Emit a UTF-8 Byte Order Mark (BOM) in the beginning of output files. */ // "newLine": "crlf", /* Set the newline character for emitting files. */ // "stripInternal": true, /* Disable emitting declarations that have `@internal` in their JSDoc comments. */ // "noEmitHelpers": true, /* Disable generating custom helper functions like `__extends` in compiled output. */ // "noEmitOnError": true, /* Disable emitting files if any type checking errors are reported. */ // "preserveConstEnums": true, /* Disable erasing `const enum` declarations in generated code. */ // "declarationDir": "./", /* Specify the output directory for generated declaration files. */ // "preserveValueImports": true, /* Preserve unused imported values in the JavaScript output that would otherwise be removed. */
/* Interop Constraints */ // "isolatedModules": true, /* Ensure that each file can be safely transpiled without relying on other imports. */ // "allowSyntheticDefaultImports": true, /* Allow 'import x from y' when a module doesn't have a default export. */ "esModuleInterop": true, /* Emit additional JavaScript to ease support for importing CommonJS modules. This enables `allowSyntheticDefaultImports` for type compatibility. */ // "preserveSymlinks": true, /* Disable resolving symlinks to their realpath. This correlates to the same flag in node. */ "forceConsistentCasingInFileNames": true, /* Ensure that casing is correct in imports. */
/* Type Checking */ "strict": true, /* Enable all strict type-checking options. */ // "noImplicitAny": true, /* Enable error reporting for expressions and declarations with an implied `any` type.. */ // "strictNullChecks": true, /* When type checking, take into account `null` and `undefined`. */ // "strictFunctionTypes": true, /* When assigning functions, check to ensure parameters and the return values are subtype-compatible. */ // "strictBindCallApply": true, /* Check that the arguments for `bind`, `call`, and `apply` methods match the original function. */ // "strictPropertyInitialization": true, /* Check for class properties that are declared but not set in the constructor. */ // "noImplicitThis": true, /* Enable error reporting when `this` is given the type `any`. */ // "useUnknownInCatchVariables": true, /* Type catch clause variables as 'unknown' instead of 'any'. */ // "alwaysStrict": true, /* Ensure 'use strict' is always emitted. */ // "noUnusedLocals": true, /* Enable error reporting when a local variables aren't read. */ // "noUnusedParameters": true, /* Raise an error when a function parameter isn't read */ // "exactOptionalPropertyTypes": true, /* Interpret optional property types as written, rather than adding 'undefined'. */ // "noImplicitReturns": true, /* Enable error reporting for codepaths that do not explicitly return in a function. */ // "noFallthroughCasesInSwitch": true, /* Enable error reporting for fallthrough cases in switch statements. */ // "noUncheckedIndexedAccess": true, /* Include 'undefined' in index signature results */ // "noImplicitOverride": true, /* Ensure overriding members in derived classes are marked with an override modifier. */ // "noPropertyAccessFromIndexSignature": true, /* Enforces using indexed accessors for keys declared using an indexed type */ // "allowUnusedLabels": true, /* Disable error reporting for unused labels. */ // "allowUnreachableCode": true, /* Disable error reporting for unreachable code. */
/* Completeness */ // "skipDefaultLibCheck": true, /* Skip type checking .d.ts files that are included with TypeScript. */ "skipLibCheck": true/* Skip type checking all .d.ts files. */ } }
/* * For a detailed explanation regarding each configuration property, visit: * https:///docs/en/configuration.html */
module.exports = { // 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/6j/_9wqvbk15bl701f7ch11q9p80000gn/T/jest_dx",
// Automatically clear mock calls and instances between 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: '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: "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,
// 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", // "json", // "jsx", // "ts", // "tsx", // "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 between 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 between 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: '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: "jasmine2",
// 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, };
// code/sum.ts 兩數(shù)之和測試案例 type sumType = (a: number, b: number) =>number; const sum: sumType = (a, b) => a + b; exportdefault sum;
測試代碼
// test/sum.test.ts import sum from'../code/sum';
test('1 + 2 = 3', () => { let x: number = 1, y: number = 2; let expected: number = 3;
let res: number = sum(x, y);
expect(res).toBe(expected); });
在項目文件下執(zhí)行yarn test 我們查看下運行的效果
PS D:\ataola\github\ataola\coding-ts> yarn test yarn run v1.22.11 $ jest PASS test/sum.test.ts (8.801 s) √ 1 + 2 = 3 (2 ms)
Test Suites: 1 passed, 1 total Tests: 1 passed, 1 total Snapshots: 0 total Time: 10.721 s Ran all test suites. Done in 26.79s. PS D:\ataola\github\ataola\coding-ts>
