setup: tests #96

.babelrc.json

@@ -1,3 +1,10 @@
 {
-  "plugins": ["@babel/plugin-syntax-import-assertions"]
+  "env": {
+    "test": {
+      "plugins": [
+        "@babel/plugin-transform-modules-commonjs",
+        "@babel/plugin-syntax-import-assertions"
+      ]
+    }
+  }
 }

jest.config.js

@@ -0,0 +1,200 @@
+/*
+ * For a detailed explanation regarding each configuration property, visit:
+ * https://jestjs.io/docs/configuration
+ */
+
+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/lj/smzxt2q53j30qpyzdpchdvx80000gn/T/jest_dx",
+
+	// 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: undefined,
+
+	// The directory where Jest should output its coverage files
+	coverageDirectory: "coverage",
+
+	// An array of regexp pattern strings used to skip coverage collection
+	coveragePathIgnorePatterns: [
+		"/_ignore/",
+		"/build/",
+		"/docs/",
+		"/node_modules/",
+		"/types/",
+		"/wiki/",
+	],
+
+	// 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: "jest-environment-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: 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,
+};