Improve refactorability of other projects' tests.

apps/api-extractor/src/analyzer/test/PackageMetadataManager.test.ts

@@ -30,8 +30,8 @@ function firstArgument(mockFn: jest.Mock): any {
 
 /* eslint-disable @typescript-eslint/typedef */
 
-describe('PackageMetadataManager', () => {
-  describe('.writeTsdocMetadataFile()', () => {
+describe(PackageMetadataManager.name, () => {
+  describe(PackageMetadataManager.writeTsdocMetadataFile.name, () => {
     const originalWriteFile = FileSystem.writeFile;
     const mockWriteFile: jest.Mock = jest.fn();
     beforeAll(() => {
@@ -50,7 +50,7 @@ describe('PackageMetadataManager', () => {
     });
   });
 
-  describe('.resolveTsdocMetadataPath()', () => {
+  describe(PackageMetadataManager.resolveTsdocMetadataPath.name, () => {
     describe('when an empty tsdocMetadataPath is provided', () => {
       const tsdocMetadataPath: string = '';
       describe('given a package.json where the field "tsdocMetadata" is defined', () => {

apps/api-extractor/src/analyzer/test/SyntaxHelpers.test.ts

@@ -3,8 +3,8 @@
 
 import { SyntaxHelpers } from '../SyntaxHelpers';
 
-describe('SyntaxHelpers', () => {
-  test('.toAlphaNumericCamelCase()', () => {
+describe(SyntaxHelpers.name, () => {
+  it(SyntaxHelpers.makeCamelCaseIdentifier.name, () => {
     // prettier-ignore
     const inputs:string[] = [
       '',

apps/api-extractor/src/api/test/ExtractorConfig-lookup.test.ts

@@ -15,7 +15,7 @@ function expectEqualPaths(path1: string, path2: string): void {
 }
 
 // Tests for expanding the "<lookup>" token for the "projectFolder" setting in api-extractor.json
-describe('ExtractorConfig-lookup', () => {
+describe(`${ExtractorConfig.name}.${ExtractorConfig.loadFileAndPrepare.name}`, () => {
   it.only('config-lookup1: looks up ./api-extractor.json', () => {
     const extractorConfig: ExtractorConfig = ExtractorConfig.loadFileAndPrepare(
       path.join(testDataFolder, 'config-lookup1/api-extractor.json')

apps/heft/src/pluginFramework/logging/test/FileError.test.ts

@@ -3,7 +3,7 @@
 
 import { FileError, FileErrorFormat } from '../FileError';
 
-describe('FileError', () => {
+describe(FileError.name, () => {
   it('normalizes slashes in file paths', () => {
     const error1: FileError = new FileError('message', 'path\\to\\file', 0);
     expect(error1.filePath).toEqual('path/to/file');

apps/heft/src/utilities/subprocess/test/SubprocessRunnerBase.test.ts

@@ -4,7 +4,7 @@
 import { SubprocessRunnerBase } from '../SubprocessRunnerBase';
 import { FileError } from '../../../pluginFramework/logging/FileError';
 
-describe('SubprocessRunnerBase', () => {
+describe(SubprocessRunnerBase.name, () => {
   it(`${SubprocessRunnerBase.serializeForIpcMessage.name} correctly serializes objects`, () => {
     expect(SubprocessRunnerBase.serializeForIpcMessage(1)).toMatchSnapshot();
     expect(SubprocessRunnerBase.serializeForIpcMessage(false)).toMatchSnapshot();

apps/rush-lib/src/cli/actions/test/AddAction.test.ts

@@ -8,7 +8,7 @@ import { RushCommandLineParser } from '../../RushCommandLineParser';
 import { AddAction } from '../AddAction';
 
 describe(AddAction.name, () => {
-  describe(`basic "rush add" tests`, () => {
+  describe('basic "rush add" tests', () => {
     let doRushAddMock: jest.SpyInstance;
     let oldExitCode: number | undefined;
     let oldArgs: string[];
@@ -28,7 +28,7 @@ describe(AddAction.name, () => {
       process.argv = oldArgs;
     });
 
-    describe(`'add' action`, () => {
+    describe("'add' action", () => {
       it(`adds a dependency to just one repo in the workspace`, async () => {
         const startPath: string = `${__dirname}/addRepo`;
         const aPath: string = `${__dirname}/addRepo/a`;
@@ -53,7 +53,7 @@ describe(AddAction.name, () => {
       });
     });
 
-    describe(`'add' action with --all`, () => {
+    describe("'add' action with --all", () => {
       it(`adds a dependency to all repos in the workspace`, async () => {
         const startPath: string = `${__dirname}/addRepo`;
         const aPath: string = `${__dirname}/addRepo/a`;

apps/rush-lib/src/cli/test/RushCommandLineParser.test.ts

@@ -92,7 +92,7 @@ describe(RushCommandLineParser.name, () => {
     });
 
     describe('in basic repo', () => {
-      describe(`'build' action`, () => {
+      describe("'build' action", () => {
         it(`executes the package's 'build' script`, async () => {
           const repoName: string = 'basicAndRunBuildActionRepo';
           const instance: IParserTestInstance = getCommandLineParserInstance(repoName, 'build');
@@ -124,7 +124,7 @@ describe(RushCommandLineParser.name, () => {
         });
       });
 
-      describe(`'rebuild' action`, () => {
+      describe("'rebuild' action", () => {
         it(`executes the package's 'build' script`, async () => {
           const repoName: string = 'basicAndRunRebuildActionRepo';
           const instance: IParserTestInstance = getCommandLineParserInstance(repoName, 'rebuild');
@@ -157,8 +157,8 @@ describe(RushCommandLineParser.name, () => {
       });
     });
 
-    describe(`in repo with 'rebuild' command overridden`, () => {
-      describe(`'build' action`, () => {
+    describe("in repo with 'rebuild' command overridden", () => {
+      describe("'build' action", () => {
         it(`executes the package's 'build' script`, async () => {
           const repoName: string = 'overrideRebuildAndRunBuildActionRepo';
           const instance: IParserTestInstance = getCommandLineParserInstance(repoName, 'build');
@@ -190,7 +190,7 @@ describe(RushCommandLineParser.name, () => {
         });
       });
 
-      describe(`'rebuild' action`, () => {
+      describe("'rebuild' action", () => {
         it(`executes the package's 'rebuild' script`, async () => {
           const repoName: string = 'overrideRebuildAndRunRebuildActionRepo';
           const instance: IParserTestInstance = getCommandLineParserInstance(repoName, 'rebuild');
@@ -223,8 +223,8 @@ describe(RushCommandLineParser.name, () => {
       });
     });
 
-    describe(`in repo with 'rebuild' or 'build' partially set`, () => {
-      describe(`'build' action`, () => {
+    describe("in repo with 'rebuild' or 'build' partially set", () => {
+      describe("'build' action", () => {
         it(`executes the package's 'build' script`, async () => {
           const repoName: string = 'overrideAndDefaultBuildActionRepo';
           const instance: IParserTestInstance = getCommandLineParserInstance(repoName, 'build');
@@ -255,7 +255,7 @@ describe(RushCommandLineParser.name, () => {
         });
       });
 
-      describe(`'rebuild' action`, () => {
+      describe("'rebuild' action", () => {
         it(`executes the package's 'build' script`, async () => {
           // broken
           const repoName: string = 'overrideAndDefaultRebuildActionRepo';
@@ -288,7 +288,7 @@ describe(RushCommandLineParser.name, () => {
       });
     });
 
-    describe(`in repo with 'build' command overridden as a global command`, () => {
+    describe("in repo with 'build' command overridden as a global command", () => {
       it(`throws an error when starting Rush`, async () => {
         const repoName: string = 'overrideBuildAsGlobalCommandRepo';
 
@@ -300,7 +300,7 @@ describe(RushCommandLineParser.name, () => {
       });
     });
 
-    describe(`in repo with 'rebuild' command overridden as a global command`, () => {
+    describe("in repo with 'rebuild' command overridden as a global command", () => {
       it(`throws an error when starting Rush`, async () => {
         const repoName: string = 'overrideRebuildAsGlobalCommandRepo';
 
@@ -312,7 +312,7 @@ describe(RushCommandLineParser.name, () => {
       });
     });
 
-    describe(`in repo with 'build' command overridden with 'safeForSimultaneousRushProcesses=true'`, () => {
+    describe("in repo with 'build' command overridden with 'safeForSimultaneousRushProcesses=true'", () => {
       it(`throws an error when starting Rush`, async () => {
         const repoName: string = 'overrideBuildWithSimultaneousProcessesRepo';
 
@@ -324,7 +324,7 @@ describe(RushCommandLineParser.name, () => {
       });
     });
 
-    describe(`in repo with 'rebuild' command overridden with 'safeForSimultaneousRushProcesses=true'`, () => {
+    describe("in repo with 'rebuild' command overridden with 'safeForSimultaneousRushProcesses=true'", () => {
       it(`throws an error when starting Rush`, async () => {
         const repoName: string = 'overrideRebuildWithSimultaneousProcessesRepo';
 

apps/rush/src/test/MinimalRushConfiguration.test.ts

@@ -5,7 +5,7 @@ import * as path from 'path';
 
 import { MinimalRushConfiguration } from '../MinimalRushConfiguration';
 
-describe('MinimalRushConfiguration', () => {
+describe(MinimalRushConfiguration.name, () => {
   afterEach(() => {
     jest.restoreAllMocks();
   });

build-tests/heft-jest-reporters-test/src/test/index.test.ts

@@ -3,7 +3,7 @@
 
 import { addThreeStars } from '..';
 
-describe('addThreeStars', () => {
+describe(addThreeStars.name, () => {
   it('adds three stars', () => {
     expect(addThreeStars('***Hello World')).toEqual('***Hello World***');
   });

eslint/eslint-plugin-packlets/src/test/Path.test.ts

@@ -15,7 +15,7 @@ function relativeCaseInsensitive(from: string, to: string) {
   return toPosixPath(Path['_relativeCaseInsensitive'](toNativePath(from), toNativePath(to)));
 }
 
-describe('Path', () => {
+describe(Path.name, () => {
   test('_detectCaseSensitive()', () => {
     // NOTE: To ensure these tests are deterministic, only use absolute paths
     expect(relativeCaseInsensitive('/', '/')).toEqual('');

libraries/heft-config-file/src/test/ConfigurationFile.test.ts

@@ -14,7 +14,7 @@ import {
 } from '@rushstack/node-core-library';
 import { RigConfig } from '@rushstack/rig-package';
 
-describe('ConfigurationFile', () => {
+describe(ConfigurationFile.name, () => {
   const projectRoot: string = nodeJsPath.resolve(__dirname, '..', '..');
   let terminalProvider: StringBufferTerminalProvider;
   let terminal: Terminal;

libraries/node-core-library/src/Terminal/test/AnsiEscape.test.ts

@@ -4,7 +4,7 @@
 import * as colors from 'colors';
 import { AnsiEscape } from '../AnsiEscape';
 
-describe('AnsiEscape', () => {
+describe(AnsiEscape.name, () => {
   let initialColorsEnabled: boolean;
 
   beforeAll(() => {

libraries/node-core-library/src/Terminal/test/Colors.test.ts

@@ -5,8 +5,9 @@ import { Terminal } from '../Terminal';
 import { StringBufferTerminalProvider } from '../StringBufferTerminalProvider';
 import { createColorGrid } from './createColorGrid';
 import { AnsiEscape } from '../AnsiEscape';
+import { Colors } from '../Colors';
 
-describe('Colors', () => {
+describe(Colors.name, () => {
   let terminal: Terminal;
   let provider: StringBufferTerminalProvider;
 

libraries/node-core-library/src/test/Async.test.ts

@@ -3,8 +3,8 @@
 
 import { Async } from '../Async';
 
-describe('Async', () => {
-  describe('mapAsync', () => {
+describe(Async.name, () => {
+  describe(Async.mapAsync.name, () => {
     it('handles an empty array correctly', async () => {
       const result = await Async.mapAsync([] as number[], async (item) => `result ${item}`);
       expect(result).toEqual([]);
@@ -128,7 +128,7 @@ describe('Async', () => {
     });
   });
 
-  describe('forEachAsync', () => {
+  describe(Async.forEachAsync.name, () => {
     it('handles an empty array correctly', async () => {
       let running: number = 0;
       let maxRunning: number = 0;

libraries/node-core-library/src/test/Enum.test.ts

@@ -22,7 +22,7 @@ enum MixedEnum {
   Banana = 'banana'
 }
 
-describe('Enum', () => {
+describe(Enum.name, () => {
   test('tryGetValueByKey', () => {
     // NumericEnum
     const numeric1: NumericEnum | undefined = Enum.tryGetValueByKey(NumericEnum, 'Apple');

libraries/node-core-library/src/test/EnvironmentMap.test.ts

@@ -5,7 +5,7 @@ import process from 'process';
 
 import { EnvironmentMap } from '../EnvironmentMap';
 
-describe('EnvironmentMap', () => {
+describe(EnvironmentMap.name, () => {
   test('_sanityCheck() throws', () => {
     const map = new EnvironmentMap();
     const environmentObject = { A: '123' };

libraries/node-core-library/src/test/Import.test.ts

@@ -6,10 +6,10 @@ import { Import } from '../Import';
 import { PackageJsonLookup } from '../PackageJsonLookup';
 import { Path } from '../Path';
 
-describe('Import', () => {
+describe(Import.name, () => {
   const packageRoot: string = PackageJsonLookup.instance.tryGetPackageFolderFor(__dirname)!;
 
-  describe('resolveModule', () => {
+  describe(Import.resolveModule.name, () => {
     it('returns an absolute path as-is', () => {
       const absolutePaths: string[] = ['/var/test/path'];
 
@@ -135,7 +135,7 @@ describe('Import', () => {
     });
   });
 
-  describe('resolvePackage', () => {
+  describe(Import.resolvePackage.name, () => {
     it('resolves a dependency', () => {
       expect(
         Import.resolvePackage({ packageName: '@rushstack/heft', baseFolderPath: __dirname }).replace(

libraries/node-core-library/src/test/JsonFile.test.ts

@@ -6,7 +6,7 @@ import { JsonFile } from '../JsonFile';
 // The PosixModeBits are intended to be used with bitwise operations.
 /* eslint-disable no-bitwise */
 
-describe('JsonFile tests', () => {
+describe(JsonFile.name, () => {
   it('adds a header comment', () => {
     expect(
       JsonFile.stringify(

libraries/node-core-library/src/test/JsonSchema.test.ts

@@ -4,7 +4,7 @@
 import { JsonFile, JsonObject } from '../JsonFile';
 import { JsonSchema, IJsonSchemaErrorInfo } from '../JsonSchema';
 
-describe('JsonSchema', () => {
+describe(JsonSchema.name, () => {
   const schemaPath: string = `${__dirname}/test-data/test-schema.json`;
   const schema: JsonSchema = JsonSchema.fromFile(schemaPath);
 

libraries/node-core-library/src/test/LockFile.test.ts

@@ -11,12 +11,12 @@ function setLockFileGetProcessStartTime(fn: (process: number) => string | undefi
   (LockFile as any)._getStartTime = fn;
 }
 
-describe('LockFile', () => {
+describe(LockFile.name, () => {
   afterEach(() => {
     setLockFileGetProcessStartTime(getProcessStartTime);
   });
 
-  describe('getLockFilePath', () => {
+  describe(LockFile.getLockFilePath.name, () => {
     test('only accepts alphabetical characters for resource name', () => {
       expect(() => {
         LockFile.getLockFilePath(process.cwd(), 'foo123');
@@ -49,7 +49,7 @@ describe('LockFile', () => {
     });
   });
 
-  describe('getProcessStartTimeFromProcStat', () => {
+  describe(getProcessStartTimeFromProcStat.name, () => {
     function createStatOutput(value2: string, n: number): string {
       let statOutput: string = `0 ${value2} S`;
       for (let i: number = 0; i < n; i++) {
@@ -97,7 +97,7 @@ describe('LockFile', () => {
 
   if (process.platform === 'darwin' || process.platform === 'linux') {
     describe('Linux and Mac', () => {
-      describe('getLockFilePath()', () => {
+      describe(LockFile.getLockFilePath.name, () => {
         test('returns a resolved path containing the pid', () => {
           expect(path.join(process.cwd(), `test#${process.pid}.lock`)).toEqual(
             LockFile.getLockFilePath('./', 'test')
@@ -171,7 +171,7 @@ describe('LockFile', () => {
   }
 
   if (process.platform === 'win32') {
-    describe('getLockFilePath()', () => {
+    describe(LockFile.getLockFilePath.name, () => {
       test("returns a resolved path that doesn't contain", () => {
         expect(path.join(process.cwd(), `test.lock`)).toEqual(LockFile.getLockFilePath('./', 'test'));
       });

libraries/node-core-library/src/test/PackageJsonLookup.test.ts

@@ -6,13 +6,13 @@ import { PackageJsonLookup } from '../PackageJsonLookup';
 import { IPackageJson, INodePackageJson } from '../IPackageJson';
 import { FileConstants } from '../Constants';
 
-describe('PackageJsonLookup', () => {
+describe(PackageJsonLookup.name, () => {
   describe('basic tests', () => {
-    test('', () => {
+    test(PackageJsonLookup.loadOwnPackageJson.name, () => {
       expect(PackageJsonLookup.loadOwnPackageJson(__dirname).name).toEqual('@rushstack/node-core-library');
     });
 
-    test('tryLoadPackageJsonFor() test', () => {
+    test(PackageJsonLookup.prototype.tryLoadPackageJsonFor.name, () => {
       const packageJsonLookup: PackageJsonLookup = new PackageJsonLookup();
       const sourceFilePath: string = path.join(__dirname, './test-data/example-package');
       const packageJson: IPackageJson | undefined = packageJsonLookup.tryLoadPackageJsonFor(sourceFilePath);
@@ -26,7 +26,7 @@ describe('PackageJsonLookup', () => {
       }
     });
 
-    test('tryLoadNodePackageJsonFor() test package with no version', () => {
+    test(`${PackageJsonLookup.prototype.tryLoadNodePackageJsonFor.name} test package with no version`, () => {
       const packageJsonLookup: PackageJsonLookup = new PackageJsonLookup();
       const sourceFilePath: string = path.join(__dirname, './test-data/example-package-no-version');
       const packageJson: INodePackageJson | undefined =
@@ -41,7 +41,7 @@ describe('PackageJsonLookup', () => {
       }
     });
 
-    test('tryGetPackageFolderFor() test', () => {
+    test(PackageJsonLookup.prototype.tryGetPackageFolderFor.name, () => {
       const packageJsonLookup: PackageJsonLookup = new PackageJsonLookup();
       const sourceFilePath: string = path.join(__dirname, './test-data/example-package/src/ExampleFile.txt');