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

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

1 files changed, 134 insertions, 0 deletions

diff --git a/cli/tests/unit_node/_fs/_fs_stat_test.ts b/cli/tests/unit_node/_fs/_fs_stat_test.ts
new file mode 100644
index 000000000..b9e33c507
--- /dev/null
+++ b/cli/tests/unit_node/_fs/_fs_stat_test.ts
@@ -0,0 +1,134 @@
+// Copyright 2018-2023 the Deno authors. All rights reserved. MIT license.
+import { assertCallbackErrorUncaught } from "../_test_utils.ts";
+import { BigIntStats, stat, Stats, statSync } from "node:fs";
+import {
+  assertEquals,
+  fail,
+} from "../../../../test_util/std/testing/asserts.ts";
+
+export function assertStats(actual: Stats, expected: Deno.FileInfo) {
+  assertEquals(actual.dev, expected.dev);
+  assertEquals(actual.gid, expected.gid);
+  assertEquals(actual.size, expected.size);
+  assertEquals(actual.blksize, expected.blksize);
+  assertEquals(actual.blocks, expected.blocks);
+  assertEquals(actual.ino, expected.ino);
+  assertEquals(actual.gid, expected.gid);
+  assertEquals(actual.mode, expected.mode);
+  assertEquals(actual.nlink, expected.nlink);
+  assertEquals(actual.rdev, expected.rdev);
+  assertEquals(actual.uid, expected.uid);
+  assertEquals(actual.atime?.getTime(), expected.atime?.getTime());
+  assertEquals(actual.mtime?.getTime(), expected.mtime?.getTime());
+  assertEquals(actual.birthtime?.getTime(), expected.birthtime?.getTime());
+  assertEquals(actual.atimeMs ?? undefined, expected.atime?.getTime());
+  assertEquals(actual.mtimeMs ?? undefined, expected.mtime?.getTime());
+  assertEquals(actual.birthtimeMs ?? undefined, expected.birthtime?.getTime());
+  assertEquals(actual.isFile(), expected.isFile);
+  assertEquals(actual.isDirectory(), expected.isDirectory);
+  assertEquals(actual.isSymbolicLink(), expected.isSymlink);
+}
+
+function toBigInt(num?: number | null) {
+  if (num === undefined || num === null) return null;
+  return BigInt(num);
+}
+
+export function assertStatsBigInt(
+  actual: BigIntStats,
+  expected: Deno.FileInfo,
+) {
+  assertEquals(actual.dev, toBigInt(expected.dev));
+  assertEquals(actual.gid, toBigInt(expected.gid));
+  assertEquals(actual.size, toBigInt(expected.size));
+  assertEquals(actual.blksize, toBigInt(expected.blksize));
+  assertEquals(actual.blocks, toBigInt(expected.blocks));
+  assertEquals(actual.ino, toBigInt(expected.ino));
+  assertEquals(actual.gid, toBigInt(expected.gid));
+  assertEquals(actual.mode, toBigInt(expected.mode));
+  assertEquals(actual.nlink, toBigInt(expected.nlink));
+  assertEquals(actual.rdev, toBigInt(expected.rdev));
+  assertEquals(actual.uid, toBigInt(expected.uid));
+  assertEquals(actual.atime?.getTime(), expected.atime?.getTime());
+  assertEquals(actual.mtime?.getTime(), expected.mtime?.getTime());
+  assertEquals(actual.birthtime?.getTime(), expected.birthtime?.getTime());
+  assertEquals(
+    actual.atimeMs === null ? undefined : Number(actual.atimeMs),
+    expected.atime?.getTime(),
+  );
+  assertEquals(
+    actual.mtimeMs === null ? undefined : Number(actual.mtimeMs),
+    expected.mtime?.getTime(),
+  );
+  assertEquals(
+    actual.birthtimeMs === null ? undefined : Number(actual.birthtimeMs),
+    expected.birthtime?.getTime(),
+  );
+  assertEquals(actual.atimeNs === null, actual.atime === null);
+  assertEquals(actual.mtimeNs === null, actual.mtime === null);
+  assertEquals(actual.birthtimeNs === null, actual.birthtime === null);
+  assertEquals(actual.isFile(), expected.isFile);
+  assertEquals(actual.isDirectory(), expected.isDirectory);
+  assertEquals(actual.isSymbolicLink(), expected.isSymlink);
+}
+
+Deno.test({
+  name: "ASYNC: get a file Stats",
+  async fn() {
+    const file = Deno.makeTempFileSync();
+    await new Promise<Stats>((resolve, reject) => {
+      stat(file, (err, stat) => {
+        if (err) reject(err);
+        resolve(stat);
+      });
+    })
+      .then((stat) => assertStats(stat, Deno.statSync(file)), () => fail())
+      .finally(() => Deno.removeSync(file));
+  },
+});
+
+Deno.test({
+  name: "SYNC: get a file Stats",
+  fn() {
+    const file = Deno.makeTempFileSync();
+    assertStats(statSync(file), Deno.statSync(file));
+  },
+});
+
+Deno.test({
+  name: "ASYNC: get a file BigInt Stats",
+  async fn() {
+    const file = Deno.makeTempFileSync();
+    await new Promise<BigIntStats>((resolve, reject) => {
+      stat(file, { bigint: true }, (err, stat) => {
+        if (err) reject(err);
+        resolve(stat);
+      });
+    })
+      .then(
+        (stat) => assertStatsBigInt(stat, Deno.statSync(file)),
+        () => fail(),
+      )
+      .finally(() => Deno.removeSync(file));
+  },
+});
+
+Deno.test({
+  name: "SYNC: get a file BigInt Stats",
+  fn() {
+    const file = Deno.makeTempFileSync();
+    assertStatsBigInt(statSync(file, { bigint: true }), Deno.statSync(file));
+  },
+});
+
+Deno.test("[std/node/fs] stat callback isn't called twice if error is thrown", async () => {
+  const tempFile = await Deno.makeTempFile();
+  const importUrl = new URL("node:fs", import.meta.url);
+  await assertCallbackErrorUncaught({
+    prelude: `import { stat } from ${JSON.stringify(importUrl)}`,
+    invocation: `stat(${JSON.stringify(tempFile)}, `,
+    async cleanup() {
+      await Deno.remove(tempFile);
+    },
+  });
+});