Add unit tests for role middleware

node_modules/@jest/pattern/src/TestPathPatterns.ts

@@ -0,0 +1,132 @@
+/**
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ */
+
+import * as path from 'path';
+import {replacePathSepForRegex} from 'jest-regex-util';
+
+export class TestPathPatterns {
+  constructor(readonly patterns: Array<string>) {}
+
+  /**
+   * Return true if there are any patterns.
+   */
+  isSet(): boolean {
+    return this.patterns.length > 0;
+  }
+
+  /**
+   * Return true if the patterns are valid.
+   */
+  isValid(): boolean {
+    return this.toExecutor({
+      // isValid() doesn't require rootDir to be accurate, so just
+      // specify a dummy rootDir here
+      rootDir: '/',
+    }).isValid();
+  }
+
+  /**
+   * Return a human-friendly version of the pattern regex.
+   */
+  toPretty(): string {
+    return this.patterns.join('|');
+  }
+
+  /**
+   * Return a TestPathPatternsExecutor that can execute the patterns.
+   */
+  toExecutor(
+    options: TestPathPatternsExecutorOptions,
+  ): TestPathPatternsExecutor {
+    return new TestPathPatternsExecutor(this, options);
+  }
+
+  /** For jest serializers */
+  toJSON(): any {
+    return {
+      patterns: this.patterns,
+      type: 'TestPathPatterns',
+    };
+  }
+}
+
+export type TestPathPatternsExecutorOptions = {
+  rootDir: string;
+};
+
+export class TestPathPatternsExecutor {
+  constructor(
+    readonly patterns: TestPathPatterns,
+    private readonly options: TestPathPatternsExecutorOptions,
+  ) {}
+
+  private toRegex(s: string): RegExp {
+    return new RegExp(s, 'i');
+  }
+
+  /**
+   * Return true if there are any patterns.
+   */
+  isSet(): boolean {
+    return this.patterns.isSet();
+  }
+
+  /**
+   * Return true if the patterns are valid.
+   */
+  isValid(): boolean {
+    try {
+      for (const p of this.patterns.patterns) {
+        this.toRegex(p);
+      }
+      return true;
+    } catch {
+      return false;
+    }
+  }
+
+  /**
+   * Return true if the given ABSOLUTE path matches the patterns.
+   *
+   * Throws an error if the patterns form an invalid regex (see `validate`).
+   */
+  isMatch(absPath: string): boolean {
+    const relPath = path.relative(this.options.rootDir || '/', absPath);
+
+    if (this.patterns.patterns.length === 0) {
+      return true;
+    }
+
+    for (const p of this.patterns.patterns) {
+      const pathToTest = path.isAbsolute(p) ? absPath : relPath;
+
+      // special case: ./foo.spec.js (and .\foo.spec.js on Windows) should
+      // match /^foo.spec.js/ after stripping root dir
+      let regexStr = p.replace(/^\.\//, '^');
+      if (path.sep === '\\') {
+        regexStr = regexStr.replace(/^\.\\/, '^');
+      }
+
+      regexStr = replacePathSepForRegex(regexStr);
+      if (this.toRegex(regexStr).test(pathToTest)) {
+        return true;
+      }
+
+      if (this.toRegex(regexStr).test(absPath)) {
+        return true;
+      }
+    }
+    return false;
+  }
+
+  /**
+   * Return a human-friendly version of the pattern regex.
+   */
+  toPretty(): string {
+    return this.patterns.toPretty();
+  }
+}