feat(test-utils): automatically serialize json

Author: natemoo-re

src/test-utils.ts

@@ -6,35 +6,39 @@ import { fileURLToPath, pathToFileURL } from "node:url";
 import { onTestFinished } from "vitest";
 
 export interface Fixture {
-	root: URL;
-	resolve: (...segments: string[]) => URL;
-	readFile: (file: PathLike) => Promise<string>;
-	cleanup: () => Promise<void>;
+  root: URL;
+  resolve: (...segments: string[]) => URL;
+  readFile: (file: PathLike) => Promise<string>;
+  cleanup: () => Promise<void>;
 }
 
 export async function createFixture(files: Record<string, string>): Promise<Fixture> {
-	const root = new URL(`bsh-`, `file://${tmpdir()}/`);
-	const path = await mkdtemp(fileURLToPath(root));
-	const base = pathToFileURL(path + sep);
+  const root = new URL(`bsh-`, `file://${tmpdir()}/`);
+  const path = await mkdtemp(fileURLToPath(root));
+  const base = pathToFileURL(path + sep);
 
-	for (const [name, content] of Object.entries(files)) {
-		const url = new URL(name, base);
-		const dir = new URL("./", url);
-		await mkdir(dir, { recursive: true });
-		await writeFile(url, content, "utf8");
-	}
+  for (const [name, content] of Object.entries(files)) {
+    const url = new URL(name, base);
+    const dir = new URL("./", url);
+    await mkdir(dir, { recursive: true });
+    if (name.endsWith(".json") && typeof content !== "string") {
+      await writeFile(url, JSON.stringify(content, null, 2), "utf8");
+    } else {
+      await writeFile(url, content, "utf8");
+    }
+  }
 
-	const cleanup = () => rm(path, { recursive: true, force: true });
-	onTestFinished(cleanup);
+  const cleanup = () => rm(path, { recursive: true, force: true });
+  onTestFinished(cleanup);
 
-	const resolve = (...segments: string[]) => new URL(`./${segments.join("/")}`, base);
-	const readFile = (file: PathLike) =>
-		fsReadFile(new URL(`./${file}`, base), { encoding: "utf-8" });
+  const resolve = (...segments: string[]) => new URL(`./${segments.join("/")}`, base);
+  const readFile = (file: PathLike) =>
+    fsReadFile(new URL(`./${file}`, base), { encoding: "utf-8" });
 
-	return {
-		root: pathToFileURL(path),
-		resolve,
-		readFile,
-		cleanup,
-	};
+  return {
+    root: pathToFileURL(path),
+    resolve,
+    readFile,
+    cleanup,
+  };
 }