From 247bd26c8b6fbc00c911a2cb87aacd39057bbb6c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Fr=C3=A9d=C3=A9ric=20Matte?= <fmatte@gmail.com>
Date: Sun, 4 Dec 2022 16:30:05 -0500
Subject: [PATCH] Add easy suite testing

---
 README.md | 15 +++++++++++++++
 index.js  |  3 ++-
 suite.js  | 49 +++++++++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 66 insertions(+), 1 deletion(-)
 create mode 100644 suite.js

diff --git a/README.md b/README.md
index a2ce049..7854285 100644
--- a/README.md
+++ b/README.md
@@ -54,3 +54,18 @@ suite.js
 const { test } = await import("test.js");
 await test.run(consolereporter());
 ```
+
+## Hot to easily run a suite of multiple test
+
+test.js
+
+```js
+...
+```
+
+suite.js
+
+```js
+import { suite } from "metaltest";
+await suite(); // Will run all test that are in the current folder recursively
+```
diff --git a/index.js b/index.js
index 6824287..01c40ad 100644
--- a/index.js
+++ b/index.js
@@ -3,6 +3,7 @@ import { consolereporter } from './consolereporter.js'
 import { linereporter } from './linereporter.js'
 import { totalreporter } from './totalreporter.js'
 import { runifmain } from './runifmain.js'
+import { suite } from './suite.js'
 
 const noreporter = {
   start: (title) => { },
@@ -67,5 +68,5 @@ const metaltest = (title) => {
   return runner
 }
 
-export { metaltest, consolereporter, linereporter, totalreporter, runifmain }
+export { metaltest, consolereporter, linereporter, totalreporter, runifmain, suite }
 export default metaltest
\ No newline at end of file
diff --git a/suite.js b/suite.js
new file mode 100644
index 0000000..443d8de
--- /dev/null
+++ b/suite.js
@@ -0,0 +1,49 @@
+import { readdir } from 'node:fs/promises'
+import { join } from 'node:path'
+const walkDir = async function* (dir) {
+  const files = await readdir(dir, { withFileTypes: true })
+
+  for (const file of files) {
+    if (file.isDirectory()) {
+      yield* walkDir(join(dir, file.name))
+    } else {
+      yield join(dir, file.name)
+    }
+  }
+}
+
+import { fileURLToPath } from 'node:url'
+import { dirname } from 'node:path'
+const getStackAbsolutePaths = () => {
+  const old = Error.prepareStackTrace
+  Error.prepareStackTrace = (_, stack) => stack
+  const stack = new Error().stack
+  Error.prepareStackTrace = old
+
+  return stack
+    .map(cs => cs.getFileName())
+    .filter(filename => filename?.startsWith('file://'))
+    .map(filename => dirname(fileURLToPath(filename)))
+}
+
+import { consolereporter, totalreporter } from 'metaltest'
+const suite = async (folder = '.') => {
+  const absolutePaths = getStackAbsolutePaths()
+  const absolutePath = absolutePaths[2]
+
+  const total = totalreporter()
+
+  for await (const file of walkDir(folder)) {
+    if (file.includes('node_modules')) continue
+    if (file.startsWith('.git')) continue
+    if (!file.endsWith('test.js')) continue
+
+    const module = join(absolutePath, file)
+    const { test } = await import(module)
+    await test.run(consolereporter(), total)
+  }
+
+  console.log(total.msg())
+}
+
+export { suite }
\ No newline at end of file