test(ext/node): port _fs tests from std/node (#18262)

Co-authored-by: Yoshiya Hinosawa <stibium121@gmail.com>

1 files changed, 104 insertions, 0 deletions

diff --git a/cli/tests/unit_node/_fs/_fs_rmdir_test.ts b/cli/tests/unit_node/_fs/_fs_rmdir_test.ts
new file mode 100644
index 000000000..85aaa2ec3
--- /dev/null
+++ b/cli/tests/unit_node/_fs/_fs_rmdir_test.ts
@@ -0,0 +1,104 @@
+// Copyright 2018-2023 the Deno authors. All rights reserved. MIT license.
+import {
+  assertEquals,
+  fail,
+} from "../../../../test_util/std/testing/asserts.ts";
+import { rmdir, rmdirSync } from "node:fs";
+import { closeSync } from "node:fs";
+import { existsSync } from "node:fs";
+import { join } from "../../../../test_util/std/path/mod.ts";
+import { assertCallbackErrorUncaught } from "../_test_utils.ts";
+
+Deno.test({
+  name: "ASYNC: removing empty folder",
+  async fn() {
+    const dir = Deno.makeTempDirSync();
+    await new Promise<void>((resolve, reject) => {
+      rmdir(dir, (err) => {
+        if (err) reject(err);
+        resolve();
+      });
+    })
+      .then(() => assertEquals(existsSync(dir), false), () => fail())
+      .finally(() => {
+        if (existsSync(dir)) Deno.removeSync(dir);
+      });
+  },
+});
+
+Deno.test({
+  name: "SYNC: removing empty folder",
+  fn() {
+    const dir = Deno.makeTempDirSync();
+    rmdirSync(dir);
+    assertEquals(existsSync(dir), false);
+  },
+});
+
+function closeRes(before: Deno.ResourceMap, after: Deno.ResourceMap) {
+  for (const key in after) {
+    if (!before[key]) {
+      try {
+        closeSync(Number(key));
+      } catch (error) {
+        return error;
+      }
+    }
+  }
+}
+
+Deno.test({
+  name: "ASYNC: removing non-empty folder",
+  async fn() {
+    const rBefore = Deno.resources();
+    const dir = Deno.makeTempDirSync();
+    Deno.createSync(join(dir, "file1.txt"));
+    Deno.createSync(join(dir, "file2.txt"));
+    Deno.mkdirSync(join(dir, "some_dir"));
+    Deno.createSync(join(dir, "some_dir", "file.txt"));
+    await new Promise<void>((resolve, reject) => {
+      rmdir(dir, { recursive: true }, (err) => {
+        if (err) reject(err);
+        resolve();
+      });
+    })
+      .then(() => assertEquals(existsSync(dir), false), () => fail())
+      .finally(() => {
+        if (existsSync(dir)) Deno.removeSync(dir, { recursive: true });
+        const rAfter = Deno.resources();
+        closeRes(rBefore, rAfter);
+      });
+  },
+  ignore: Deno.build.os === "windows",
+});
+
+Deno.test({
+  name: "SYNC: removing non-empty folder",
+  fn() {
+    const rBefore = Deno.resources();
+    const dir = Deno.makeTempDirSync();
+    Deno.createSync(join(dir, "file1.txt"));
+    Deno.createSync(join(dir, "file2.txt"));
+    Deno.mkdirSync(join(dir, "some_dir"));
+    Deno.createSync(join(dir, "some_dir", "file.txt"));
+    rmdirSync(dir, { recursive: true });
+    assertEquals(existsSync(dir), false);
+    // closing resources
+    const rAfter = Deno.resources();
+    closeRes(rBefore, rAfter);
+  },
+  ignore: Deno.build.os === "windows",
+});
+
+Deno.test("[std/node/fs] rmdir callback isn't called twice if error is thrown", async () => {
+  // The correct behaviour is not to catch any errors thrown,
+  // but that means there'll be an uncaught error and the test will fail.
+  // So the only way to test this is to spawn a subprocess, and succeed if it has a non-zero exit code.
+  // (assertRejects won't work because there's no way to catch the error.)
+  const tempDir = await Deno.makeTempDir();
+  const importUrl = new URL("node:fs", import.meta.url);
+  await assertCallbackErrorUncaught({
+    prelude: `import { rmdir } from ${JSON.stringify(importUrl)}`,
+    invocation: `rmdir(${JSON.stringify(tempDir)}, `,
+  });
+});