refactor: move existing fs implementation to internal _fs directory (#4381)

1 files changed, 67 insertions, 0 deletions

diff --git a/std/node/_fs/_fs_readlink_test.ts b/std/node/_fs/_fs_readlink_test.ts
new file mode 100644
index 000000000..202b9e227
--- /dev/null
+++ b/std/node/_fs/_fs_readlink_test.ts
@@ -0,0 +1,67 @@
+const { test } = Deno;
+import { readlink, readlinkSync } from "./_fs_readlink.ts";
+import { assertEquals, assert } from "../../testing/asserts.ts";
+
+const testDir = Deno.makeTempDirSync();
+const oldname = testDir + "/oldname";
+const newname = testDir + "/newname";
+
+if (Deno.build.os !== "win") {
+  Deno.symlinkSync(oldname, newname);
+}
+
+test({
+  name: "readlinkSuccess",
+  skip: Deno.build.os === "win",
+  async fn() {
+    const data = await new Promise((res, rej) => {
+      readlink(newname, (err, data) => {
+        if (err) {
+          rej(err);
+        }
+        res(data);
+      });
+    });
+
+    assertEquals(typeof data, "string");
+    assertEquals(data as string, oldname);
+  }
+});
+
+test({
+  name: "readlinkEncodeBufferSuccess",
+  skip: Deno.build.os === "win",
+  async fn() {
+    const data = await new Promise((res, rej) => {
+      readlink(newname, { encoding: "buffer" }, (err, data) => {
+        if (err) {
+          rej(err);
+        }
+        res(data);
+      });
+    });
+
+    assert(data instanceof Uint8Array);
+    assertEquals(new TextDecoder().decode(data as Uint8Array), oldname);
+  }
+});
+
+test({
+  name: "readlinkSyncSuccess",
+  skip: Deno.build.os === "win",
+  fn() {
+    const data = readlinkSync(newname);
+    assertEquals(typeof data, "string");
+    assertEquals(data as string, oldname);
+  }
+});
+
+test({
+  name: "readlinkEncodeBufferSuccess",
+  skip: Deno.build.os === "win",
+  fn() {
+    const data = readlinkSync(newname, { encoding: "buffer" });
+    assert(data instanceof Uint8Array);
+    assertEquals(new TextDecoder().decode(data as Uint8Array), oldname);
+  }
+});