test: create basic testing framework

Setup configuration for Vitest

BREAKING CHANGE: vite.config.js updated - needs to be pulled
This commit is contained in:
Zane Schaffer 2022-07-19 12:50:23 -07:00
parent 22bbafbc12
commit 2fbde8cf3f
8 changed files with 1232 additions and 831 deletions

2
.gitignore vendored
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@ -1,3 +1,4 @@
coverage
.DS_Store
node_modules
/build
@ -7,3 +8,4 @@ node_modules
.env
.env.*
!.env.example
/coverage

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@ -1,195 +0,0 @@
/*
* For a detailed explanation regarding each configuration property and type check, visit:
* https://jestjs.io/docs/configuration
*/
export default {
// 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/c7/2zjpkph56pd696935tplzqdm0000gn/T/jest_dx",
// Automatically clear mock calls, instances, contexts and results before every test
// clearMocks: false,
// 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: [
// "/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,
// 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: "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,
};

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@ -11,31 +11,44 @@
"check": "svelte-check --tsconfig ./tsconfig.json",
"check:watch": "svelte-check --tsconfig ./tsconfig.json --watch",
"lint": "prettier --check --plugin-search-dir=. . && eslint .",
"format": "prettier --write --plugin-search-dir=. ."
"format": "prettier --write --plugin-search-dir=. .",
"test:unit": "vitest",
"coverage": "vitest run --coverage"
},
"devDependencies": {
"@babel/preset-env": "^7.18.6",
"@babel/preset-env": "^7.18.9",
"@playwright/test": "^1.22.2",
"@sveltejs/adapter-auto": "next",
"@sveltejs/kit": "next",
"@testing-library/jest-dom": "^5.16.4",
"@testing-library/svelte": "^3.1.3",
"@testing-library/user-event": "^14.3.0",
"@types/testing-library__jest-dom": "^5.14.5",
"@typescript-eslint/eslint-plugin": "^5.27.0",
"@typescript-eslint/parser": "^5.27.0",
"autoprefixer": "^10.4.7",
"babel-jest": "^28.1.3",
"c8": "^7.12.0",
"cross-fetch": "^3.1.5",
"cz-conventional-changelog": "3.3.0",
"eslint": "^8.19.0",
"eslint-config-prettier": "^8.3.0",
"eslint-plugin-svelte3": "^4.0.0",
"jest": "^28.1.3",
"jest-environment-jsdom": "^28.1.3",
"jsdom": "^20.0.0",
"msw": "^0.44.2",
"postcss": "^8.4.14",
"prettier": "^2.6.2",
"prettier-plugin-svelte": "^2.7.0",
"svelte": "^3.44.0",
"svelte-check": "^2.7.1",
"svelte-jester": "^2.3.2",
"svelte-preprocess": "^4.10.7",
"tailwindcss": "^3.1.5",
"tslib": "^2.3.1",
"typescript": "^4.7.2",
"vite": "^3"
"vite": "^3",
"vitest": "^0.18.1"
},
"type": "module",
"dependencies": {

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@ -4,7 +4,8 @@ const config: PlaywrightTestConfig = {
webServer: {
command: 'npm run build && npm run preview',
port: 3000
}
},
testMatch: 'tests/**/*.js'
};
export default config;

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import { getAvgRating } from '$helpers/getAvgRating.js';
test('return false if no ratings are passed', async () => {
expect(getAvgRating()).toBeFalsy();
});

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@ -10,7 +10,7 @@ const config = {
}),
kit: {
adapter: adapter(),
adapter: adapter()
}
};

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import { sveltekit } from '@sveltejs/kit/vite';
import { resolve } from 'path';
import { configDefaults } from 'vitest/config';
/** @type {import('vite').UserConfig} */
const config = {
@ -14,6 +15,26 @@ const config = {
fs: {
allow: ['backend']
}
},
define: {
// Eliminate in-source test code
'import.meta.vitest': 'undefined'
},
test: {
// jest like globals
globals: true,
environment: 'jsdom',
// in-source testing
includeSource: ['src/**/*.{js,ts,svelte}'],
// Exclude files in c8
coverage: {
exclude: ['setupTest.js', 'src/mocks']
},
deps: {
// Put Svelte component here, e.g., inline: [/svelte-multiselect/, /msw/]
},
// Exclude playwright tests folder
exclude: [...configDefaults.exclude, 'tests']
}
};

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yarn.lock

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