adds -t option to test cli

Author: TheSonOfThomp

packages/polymorphic/src/Polymorphic/Polymorphic.spec.tsx

@@ -248,7 +248,7 @@ describe('packages/polymorphic', () => {
 
   describe('TSDoc output', () => {
     describe('Polymorphic', () => {
-      const docs = parseTSDoc('polymorphic/src');
+      const docs = parseTSDoc(__dirname);
 
       test('Docs for Polymorphic are generated', () => {
         const doc = docs?.find(doc => doc.displayName === 'Polymorph');

tools/cli/src/index.ts

@@ -51,6 +51,11 @@ cli
   .command('test')
   .description('Tests leafygreen-ui packages with unified config.')
   .option('--watch', 'Watch all files you intend to test', false)
+  .option(
+    '-t, --testNamePattern <regex>',
+    'Alias of jest --testNamePattern. Run only tests with a name that matches the regex.',
+    undefined,
+  )
   .action(test);
 
 /** Lint */

tools/test/src/index.ts

@@ -6,15 +6,23 @@ const rootDir = process.cwd();
 
 interface TestCommandOptions {
   watch: boolean;
+  testNamePattern?: string;
 }
 
 export const test = (options: TestCommandOptions) => {
-  const { watch } = options;
+  const { watch, testNamePattern } = options;
   const configFile = path.resolve(__dirname, '../config/jest.config.js');
 
   spawn(
     'jest',
-    [`--config`, configFile, `--rootDir`, rootDir, watch ? '--watch' : ''],
+    [
+      `--config`,
+      configFile,
+      `--rootDir`,
+      rootDir,
+      watch ? '--watch' : '',
+      testNamePattern ? `--testNamePattern=${testNamePattern}` : '',
+    ],
     {
       env: {
         ...process.env,