Improve test coverage for `Bun.file`

1 files changed, 14 insertions, 0 deletions

diff --git a/test/bun.js/fetch.test.js b/test/bun.js/fetch.test.js
index d36932e42..9fd3b8c24 100644
--- a/test/bun.js/fetch.test.js
+++ b/test/bun.js/fetch.test.js
@@ -228,6 +228,20 @@ function testBlobInterface(blobbyConstructor, hasBlobFn) {
   }
 }
 
+describe("Bun.file", () => {
+  const tempdir = require("os").tmpdir();
+  var callCount = 0;
+  testBlobInterface((data) => {
+    const blob = new Blob([data]);
+    const buffer = Bun.peek(blob.arrayBuffer());
+    const path = tempdir + "-" + callCount++ + ".bytes";
+    require("fs").writeFileSync(path, buffer);
+    const file = Bun.file(path);
+    expect(blob.size).toBe(file.size);
+    return file;
+  });
+});
+
 describe("Blob", () => {
   testBlobInterface((data) => new Blob([data]));