test: migrate transformer.spec.ts to node test runner

Author: trivikr

src/transforms/v2-to-v3/transformer.spec.ts

@@ -2,7 +2,8 @@ import { readdirSync } from "node:fs";
 import { readFile } from "node:fs/promises";
 import { join } from "node:path";
 import jscodeshift from "jscodeshift";
-import { describe, expect, it } from "vitest";
+import { strictEqual } from "node:assert";
+import { describe, it } from "node:test";
 
 import transform from "./transformer";
 
@@ -21,38 +22,58 @@ describe("v2-to-v3", () => {
           [
             (fileName.match(inputFileRegex) as RegExpMatchArray)[1],
             fileName.split(".").pop() as string,
-          ] as const
+          ] as const,
       );
 
-  const getTestMetadata = async (dirPath: string, filePrefix: string, fileExtension: string) => {
-    const inputPath = join(dirPath, [filePrefix, "input", fileExtension].join("."));
-    const outputPath = join(dirPath, [filePrefix, "output", fileExtension].join("."));
+  const getTestMetadata = async (
+    dirPath: string,
+    filePrefix: string,
+    fileExtension: string,
+  ) => {
+    const inputPath = join(
+      dirPath,
+      [filePrefix, "input", fileExtension].join("."),
+    );
+    const outputPath = join(
+      dirPath,
+      [filePrefix, "output", fileExtension].join("."),
+    );
     const inputCode = await readFile(inputPath, "utf8");
     const outputCode = await readFile(outputPath, "utf8");
 
     const input = { path: inputPath, source: inputCode };
     return { input, outputCode };
   };
 
-  describe.each(fixtureSubDirs)("%s", (subDir) => {
-    const subDirPath = join(fixtureDir, subDir);
-    it.concurrent.each(getTestFileMetadata(subDirPath))(
-      "transforms: %s.%s",
-      async (filePrefix, fileExtension) => {
-        const { input, outputCode } = await getTestMetadata(subDirPath, filePrefix, fileExtension);
-
-        const output = await transform(input, {
-          j: jscodeshift,
-          jscodeshift,
-          // biome-ignore lint/suspicious/noEmptyBlockStatements: test helper
-          stats: () => {},
-          // biome-ignore lint/suspicious/noEmptyBlockStatements: test helper
-          report: () => {},
-        });
-
-        expect(output.trim()).toEqual(outputCode.trim());
-      },
-      100000
-    );
-  });
+  for (const subDir of fixtureSubDirs) {
+    describe(subDir, () => {
+      const subDirPath = join(fixtureDir, subDir);
+      for (const [filePrefix, fileExtension] of getTestFileMetadata(
+        subDirPath,
+      )) {
+        it(
+          `transforms: ${filePrefix}.${fileExtension}`,
+          { concurrency: true },
+          async () => {
+            const { input, outputCode } = await getTestMetadata(
+              subDirPath,
+              filePrefix,
+              fileExtension,
+            );
+
+            const output = await transform(input, {
+              j: jscodeshift,
+              jscodeshift,
+              // biome-ignore lint/suspicious/noEmptyBlockStatements: test helper
+              stats: () => {},
+              // biome-ignore lint/suspicious/noEmptyBlockStatements: test helper
+              report: () => {},
+            });
+
+            strictEqual(output.trim(), outputCode.trim());
+          },
+        );
+      }
+    });
+  }
 });