feat(core): use the native hasher by default (#15071)

packages/nx/src/hasher/file-hasher.ts

@@ -8,12 +8,13 @@ import { join } from 'path';
 import { NativeFileHasher } from './native-file-hasher';
 
 function createFileHasher(): FileHasherBase {
-  // special case for unit tests
-  if (workspaceRoot === '/root') {
-    return new NodeBasedFileHasher();
-  }
   try {
-    if (process.env.NX_NATIVE_HASHER) {
+    if (
+      !(
+        process.env.NX_NON_NATIVE_HASHER &&
+        process.env.NX_NON_NATIVE_HASHER == 'false'
+      )
+    ) {
       return new NativeFileHasher();
     }
 

packages/nx/src/project-graph/build-dependencies/explicit-package-json-dependencies.spec.ts

@@ -1,6 +1,8 @@
-import '../../utils/testing/mock-fs';
+import { TempFs } from '../../utils/testing/temp-fs';
+const tempFs = new TempFs('explicit-package-json');
+
 import { buildExplicitPackageJsonDependencies } from './explicit-package-json-dependencies';
-import { vol } from 'memfs';
+
 import { createProjectFileMap } from '../file-map-utils';
 import { defaultFileHasher } from '../../hasher/file-hasher';
 import {
@@ -9,15 +11,11 @@ import {
 } from '../../config/project-graph';
 import { ProjectGraphBuilder } from '../project-graph-builder';
 
-jest.mock('nx/src/utils/workspace-root', () => ({
-  workspaceRoot: '/root',
-}));
-
 describe('explicit package json dependencies', () => {
   let ctx: ProjectGraphProcessorContext;
   let projects: Record<string, ProjectGraphProjectNode>;
-  let fsJson;
+
-  beforeEach(() => {
+  beforeEach(async () => {
     const projectsConfigurations = {
       projects: {
         proj: {
@@ -39,7 +37,7 @@ describe('explicit package json dependencies', () => {
       npmScope: 'proj',
     };
 
-    fsJson = {
+    await tempFs.createFiles({
       './package.json': `{
             "name": "test",
             "dependencies": [],
@@ -53,10 +51,9 @@ describe('explicit package json dependencies', () => {
         dependencies: { proj2: '*', external: '12.0.0' },
         devDependencies: { proj3: '*' },
       }),
-    };
+    });
-    vol.fromJSON(fsJson, '/root');
 
-    defaultFileHasher.init();
+    await defaultFileHasher.init();
 
     ctx = {
       projectsConfigurations,
@@ -89,6 +86,10 @@ describe('explicit package json dependencies', () => {
     };
   });
 
+  afterEach(() => {
+    tempFs.cleanup();
+  });
+
   it(`should add dependencies for projects based on deps in package.json`, () => {
     const builder = new ProjectGraphBuilder();
     Object.values(projects).forEach((p) => {

packages/nx/src/project-graph/build-dependencies/explicit-project-dependencies.spec.ts

@@ -1,14 +1,11 @@
-import '../../utils/testing/mock-fs';
+import { TempFs } from '../../utils/testing/temp-fs';
-import { vol } from 'memfs';
+const tempFs = new TempFs('explicit-project-deps');
+
 import { defaultFileHasher } from '../../hasher/file-hasher';
 import { createProjectFileMap } from '../file-map-utils';
 import { ProjectGraphBuilder } from '../project-graph-builder';
 import { buildExplicitTypeScriptDependencies } from './explicit-project-dependencies';
 
-jest.mock('nx/src/utils/workspace-root', () => ({
-  workspaceRoot: '/root',
-}));
-
 // projectName => tsconfig import path
 const dependencyProjectNamesToImportPaths = {
   proj2: '@proj/my-second-proj',
@@ -18,13 +15,13 @@ const dependencyProjectNamesToImportPaths = {
 
 describe('explicit project dependencies', () => {
   beforeEach(() => {
-    vol.reset();
+    tempFs.reset();
   });
 
   describe('static imports, dynamic imports, and commonjs requires', () => {
-    it('should build explicit dependencies for static imports, and top-level dynamic imports and commonjs requires', () => {
+    it('should build explicit dependencies for static imports, and top-level dynamic imports and commonjs requires', async () => {
       const sourceProjectName = 'proj';
-      const { ctx, builder } = createVirtualWorkspace({
+      const { ctx, builder } = await createVirtualWorkspace({
         sourceProjectName,
         sourceProjectFiles: [
           {
@@ -68,9 +65,9 @@ describe('explicit project dependencies', () => {
       ]);
     });
 
-    it('should build explicit dependencies for static exports', () => {
+    it('should build explicit dependencies for static exports', async () => {
       const sourceProjectName = 'proj';
-      const { ctx, builder } = createVirtualWorkspace({
+      const { ctx, builder } = await createVirtualWorkspace({
         sourceProjectName,
         sourceProjectFiles: [
           {
@@ -108,9 +105,9 @@ describe('explicit project dependencies', () => {
       ]);
     });
 
-    it(`should build explicit dependencies for TypeScript's import/export require syntax, and side-effectful import`, () => {
+    it(`should build explicit dependencies for TypeScript's import/export require syntax, and side-effectful import`, async () => {
       const sourceProjectName = 'proj';
-      const { ctx, builder } = createVirtualWorkspace({
+      const { ctx, builder } = await createVirtualWorkspace({
         sourceProjectName,
         sourceProjectFiles: [
           {
@@ -148,9 +145,9 @@ describe('explicit project dependencies', () => {
       ]);
     });
 
-    it('should build explicit dependencies for nested dynamic imports and commonjs requires', () => {
+    it('should build explicit dependencies for nested dynamic imports and commonjs requires', async () => {
       const sourceProjectName = 'proj';
-      const { ctx, builder } = createVirtualWorkspace({
+      const { ctx, builder } = await createVirtualWorkspace({
         sourceProjectName,
         sourceProjectFiles: [
           {
@@ -209,9 +206,9 @@ describe('explicit project dependencies', () => {
       ]);
     });
 
-    it('should build explicit dependencies when relative paths are used', () => {
+    it('should build explicit dependencies when relative paths are used', async () => {
       const sourceProjectName = 'proj';
-      const { ctx, builder } = createVirtualWorkspace({
+      const { ctx, builder } = await createVirtualWorkspace({
         sourceProjectName,
         sourceProjectFiles: [
           {
@@ -248,9 +245,9 @@ describe('explicit project dependencies', () => {
       ]);
     });
 
-    it('should not build explicit dependencies when nx-ignore-next-line comments are present', () => {
+    it('should not build explicit dependencies when nx-ignore-next-line comments are present', async () => {
       const sourceProjectName = 'proj';
-      const { ctx, builder } = createVirtualWorkspace({
+      const { ctx, builder } = await createVirtualWorkspace({
         sourceProjectName,
         sourceProjectFiles: [
           {
@@ -340,9 +337,9 @@ describe('explicit project dependencies', () => {
       expect(res).toEqual([]);
     });
 
-    it('should not build explicit dependencies for stringified or templatized import/require statements', () => {
+    it('should not build explicit dependencies for stringified or templatized import/require statements', async () => {
       const sourceProjectName = 'proj';
-      const { ctx, builder } = createVirtualWorkspace({
+      const { ctx, builder } = await createVirtualWorkspace({
         sourceProjectName,
         sourceProjectFiles: [
           {
@@ -423,9 +420,9 @@ describe('explicit project dependencies', () => {
    * https://angular.io/guide/deprecations#loadchildren-string-syntax
    */
   describe('legacy Angular loadChildren string syntax', () => {
-    it('should build explicit dependencies for legacy Angular loadChildren string syntax', () => {
+    it('should build explicit dependencies for legacy Angular loadChildren string syntax', async () => {
       const sourceProjectName = 'proj';
-      const { ctx, builder } = createVirtualWorkspace({
+      const { ctx, builder } = await createVirtualWorkspace({
         sourceProjectName,
         sourceProjectFiles: [
           {
@@ -476,9 +473,9 @@ describe('explicit project dependencies', () => {
       ]);
     });
 
-    it('should not build explicit dependencies when nx-ignore-next-line comments are present', () => {
+    it('should not build explicit dependencies when nx-ignore-next-line comments are present', async () => {
       const sourceProjectName = 'proj';
-      const { ctx, builder } = createVirtualWorkspace({
+      const { ctx, builder } = await createVirtualWorkspace({
         sourceProjectName,
         sourceProjectFiles: [
           {
@@ -544,7 +541,7 @@ interface VirtualWorkspaceConfig {
  * Prepares a minimal workspace and virtual file-system for the given files and dependency
  * projects in order to be able to execute `buildExplicitTypeScriptDependencies()` in the tests.
  */
-function createVirtualWorkspace(config: VirtualWorkspaceConfig) {
+async function createVirtualWorkspace(config: VirtualWorkspaceConfig) {
   const nxJson = {
     npmScope: 'proj',
   };
@@ -625,9 +622,9 @@ function createVirtualWorkspace(config: VirtualWorkspaceConfig) {
 
   fsJson['./tsconfig.base.json'] = JSON.stringify(tsConfig);
 
-  vol.fromJSON(fsJson, '/root');
+  await tempFs.createFiles(fsJson);
 
-  defaultFileHasher.init();
+  await defaultFileHasher.init();
 
   return {
     ctx: {

packages/nx/src/project-graph/build-project-graph.spec.ts

@@ -1,14 +1,9 @@
-import '../utils/testing/mock-fs';
+import { TempFs } from '../utils/testing/temp-fs';
+const tempFs = new TempFs('explicit-package-json');
 
-import { vol, fs } from 'memfs';
-
-jest.mock('nx/src/utils/workspace-root', () => ({
-  workspaceRoot: '/root',
-}));
 import { buildProjectGraph } from './build-project-graph';
 import * as fastGlob from 'fast-glob';
 import { defaultFileHasher } from '../hasher/file-hasher';
-import { ProjectsConfigurations } from '../config/workspace-json-project-json';
 import { NxJsonConfiguration } from '../config/nx-json';
 import { stripIndents } from '../utils/strip-indents';
 import { DependencyType } from '../config/project-graph';
@@ -16,7 +11,6 @@ import { DependencyType } from '../config/project-graph';
 describe('project graph', () => {
   let packageJson: any;
   let packageLockJson: any;
-  let projects: ProjectsConfigurations;
   let nxJson: NxJsonConfiguration;
   let tsConfigJson: any;
   let filesJson: any;
@@ -190,8 +184,8 @@ describe('project graph', () => {
       './apps/api/project.json': JSON.stringify(apiProjectJson),
     };
 
-    vol.reset();
+    tempFs.reset();
-    vol.fromJSON(filesJson, '/root');
+    await tempFs.createFiles(filesJson);
     await defaultFileHasher.init();
 
     const globResults = [
@@ -208,17 +202,13 @@ describe('project graph', () => {
   });
 
   it('should throw an appropriate error for an invalid json config', async () => {
-    vol.appendFileSync('/root/tsconfig.base.json', 'invalid');
+    tempFs.appendFile('tsconfig.base.json', 'invalid');
     try {
       await buildProjectGraph();
       fail('Invalid tsconfigs should cause project graph to throw error');
     } catch (e) {
-      expect(e.message).toMatchInlineSnapshot(`
+      expect(e.message).toContain(`${tempFs.tempDir}/tsconfig.base.json`);
-        "InvalidSymbol in /root/tsconfig.base.json at 1:248
+      expect(e.message).toContain(`invalid`);
-        > 1 | {\\"compilerOptions\\":{\\"baseUrl\\":\\".\\",\\"paths\\":{\\"@nrwl/shared/util\\":[\\"libs/shared/util/src/index.ts\\"],\\"@nrwl/shared-util-data\\":[\\"libs/shared/util/data/src/index.ts\\"],\\"@nrwl/ui\\":[\\"libs/ui/src/index.ts\\"],\\"@nrwl/lazy-lib\\":[\\"libs/lazy-lib/src/index.ts\\"]}}}invalid
-            |                                                                                                                                                                                                                                                        ^^^^^^^
-        "
-      `);
     }
   });
 
@@ -284,8 +274,8 @@ describe('project graph', () => {
   });
 
   it('should handle circular dependencies', async () => {
-    fs.writeFileSync(
+    tempFs.writeFile(
-      '/root/libs/shared/util/src/index.ts',
+      'libs/shared/util/src/index.ts',
       `import * as ui from '@nrwl/ui';`
     );
 

packages/nx/src/utils/testing/temp-fs.ts

@@ -0,0 +1,57 @@
+import { join } from 'path';
+import { tmpdir } from 'os';
+import {
+  mkdtempSync,
+  readFile,
+  outputFile,
+  rmSync,
+  emptyDirSync,
+} from 'fs-extra';
+import { joinPathFragments } from '../path';
+import { appendFileSync, writeFileSync } from 'fs';
+
+type NestedFiles = {
+  [fileName: string]: string;
+};
+
+export class TempFs {
+  readonly tempDir: string;
+  constructor(private dirname: string, overrideWorkspaceRoot = true) {
+    this.tempDir = mkdtempSync(join(tmpdir(), this.dirname));
+    if (overrideWorkspaceRoot) {
+      process.env.NX_WORKSPACE_ROOT_PATH = this.tempDir;
+    }
+  }
+
+  async createFiles(fileObject: NestedFiles) {
+    await Promise.all(
+      Object.keys(fileObject).map(async (path) => {
+        await this.createFile(path, fileObject[path]);
+      })
+    );
+  }
+
+  async createFile(filePath: string, content: string) {
+    await outputFile(joinPathFragments(this.tempDir, filePath), content);
+  }
+
+  async readFile(filePath: string): Promise<string> {
+    return await readFile(filePath, 'utf-8');
+  }
+
+  appendFile(filePath: string, content: string) {
+    appendFileSync(joinPathFragments(this.tempDir, filePath), content);
+  }
+
+  writeFile(filePath: string, content: string) {
+    writeFileSync(joinPathFragments(this.tempDir, filePath), content);
+  }
+
+  cleanup() {
+    rmSync(this.tempDir, { recursive: true });
+  }
+
+  reset() {
+    emptyDirSync(this.tempDir);
+  }
+}