remove depdency on config extension in runner, use provide/inject, add tests

.github/workflows/checks.yml

@@ -2,12 +2,12 @@ name: Checks
 on:
   pull_request:
     branches:
-      - develop
+      - main
   workflow_dispatch:
 
 jobs:
   build:
-    name: 'Build & Release'
+    name: 'Run tests'
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4

.gitignore

@@ -1,3 +1,6 @@
 .idea
 node_modules
 dist
+__test__/.cache
+.DS_Store
+__test__/tests/deep/nested/dependency/variables/*

__test__/index.spec.ts

@@ -0,0 +1,84 @@
+import { beforeAll, describe, expect, it } from 'vitest';
+import { InlineConfig, startVitest } from 'vitest/node';
+import vCache from '../src';
+import fs from 'node:fs/promises';
+import { dirname, resolve } from 'node:path';
+
+const isCached = async (path: string) => {
+  try {
+    await fs.stat(resolve(path));
+    return fs.readdir(resolve(path)).then((files) => Promise.all(files.map((file) => fs.readFile(resolve(path, file), 'utf-8').then(JSON.parse).then(({ data }) => !!data))).then((r) => r.some(Boolean)));
+  } catch (e) {
+    return false;
+  }
+};
+
+const writeFileRecursive = async (path: string, data: string) => {
+  await fs.mkdir(dirname(path), { recursive: true });
+  await fs.writeFile(path, data);
+};
+
+const run = async (config?: InlineConfig) => startVitest('test', undefined, {
+  watch: false,
+}, {
+  plugins: [vCache({
+    dir: '__test__/.cache',
+    silent: true,
+  })],
+  test: {
+    include: ['__test__/tests/*.mock.ts'],
+    reporters: [{}],
+    ...config,
+  },
+}).then((vitest) => vitest.close().then(() => vitest));
+
+describe('v-cache', () => {
+  beforeAll(async () => {
+    if (await fs.stat(resolve('__test__/.cache')).catch(() => null)) {
+      await fs.rm(resolve('__test__/.cache'), { recursive: true });
+    }
+  });
+
+  it('should cache passing tests', {
+    timeout: 10000,
+  }, async () => {
+    await run();
+
+    expect(await isCached('__test__/.cache/pass0.mock.ts')).toBe(true);
+    expect(await isCached('__test__/.cache/pass1.mock.ts')).toBe(true);
+    expect(await isCached('__test__/.cache/variable.mock.ts')).toBe(true);
+    expect(await isCached('__test__/.cache/fail0.mock.ts')).toBe(false);
+    expect(await isCached('__test__/.cache/fail1.mock.ts')).toBe(false);
+  });
+
+  it('should restore cached tests from cache', async () => {
+    const vitest = await run();
+
+    const files = [...vitest.state.filesMap.values()].flatMap((files) => files);
+
+    for (const file of files) {
+      if (file.result.state === 'pass') {
+        expect(file).toHaveProperty('cache', true);
+      } else {
+        expect(file).not.toHaveProperty('cache');
+      }
+    }
+  });
+
+  it('should rerun only the tests affected by change', async () => {
+    await run();
+
+    const timestamp = Date.now();
+    await writeFileRecursive(resolve(`__test__/tests/deep/nested/dependency/variables/${timestamp}.ts`), `export default '${timestamp}';`);
+
+    const vitest = await run();
+
+    const files = Object.fromEntries([...vitest.state.filesMap.values()].flatMap((files) => files).map((file) => [file.filepath.match(/__test__.*$/)?.[0], file]));
+
+    expect(files['__test__/tests/variable.mock.ts']).not.toHaveProperty('cache');
+    expect(files['__test__/tests/pass0.mock.ts']).toHaveProperty('cache', true);
+    expect(files['__test__/tests/pass1.mock.ts']).toHaveProperty('cache', true);
+    expect(files['__test__/tests/fail0.mock.ts']).not.toHaveProperty('cache');
+    expect(files['__test__/tests/fail1.mock.ts']).not.toHaveProperty('cache');
+  });
+});

__test__/tests/deep/deep.ts

@@ -0,0 +1,3 @@
+import { nested } from './nested';
+
+export const deep = `deep/${nested}`;

__test__/tests/deep/index.ts

@@ -0,0 +1 @@
+export * from './deep'

__test__/tests/deep/nested/dependency/index.ts

@@ -0,0 +1 @@
+export * from './variable'

__test__/tests/deep/nested/dependency/variable.ts

@@ -0,0 +1,5 @@
+export const variable = JSON.stringify(
+  import.meta.glob<{ default: string }>('./variables/*.ts', {
+    eager: true,
+  }),
+);

__test__/tests/deep/nested/index.ts

@@ -0,0 +1 @@
+export * from './nested';

__test__/tests/deep/nested/nested.ts

@@ -0,0 +1,3 @@
+import { variable } from './dependency';
+
+export const nested = `nested/${variable}`

__test__/tests/fail0.mock.ts

@@ -0,0 +1,8 @@
+import { describe, expect, it } from 'vitest';
+
+
+describe('fails 0', () => {
+  it('should fail', async () => {
+    expect(true).toBe(false);
+  });
+});

__test__/tests/fail1.mock.ts

@@ -0,0 +1,11 @@
+import { describe, expect, it } from 'vitest';
+
+
+describe('fails 1', () => {
+  it('should pass', async () => {
+    expect(true).toBe(true);
+  });
+  it('should fail', async () => {
+    expect(true).toBe(false);
+  });
+});

__test__/tests/pass0.mock.ts

@@ -0,0 +1,8 @@
+import { describe, expect, it } from 'vitest';
+
+
+describe('passes 0', () => {
+  it('should pass', async () => {
+    expect(true).toBe(true);
+  });
+});

__test__/tests/pass1.mock.ts

@@ -0,0 +1,8 @@
+import { describe, expect, it } from 'vitest';
+
+
+describe('passes 1', () => {
+  it('should pass', async () => {
+    expect(true).toBe(true);
+  });
+});

__test__/tests/variable.mock.ts

@@ -0,0 +1,9 @@
+import { describe, expect, it } from 'vitest';
+import { deep } from './deep';
+
+
+describe('passes 2', () => {
+  it('should pass', async () => {
+    expect(deep).toBe(deep);
+  });
+});