Web APIs: `File` and `FormData` (#1056)

1 files changed, 104 insertions, 0 deletions

diff --git a/js/file_test.ts b/js/file_test.ts
new file mode 100644
index 000000000..a32c06947
--- /dev/null
+++ b/js/file_test.ts
@@ -0,0 +1,104 @@
+// Copyright 2018 the Deno authors. All rights reserved. MIT license.
+import { test, assert, assertEqual } from "./test_util.ts";
+
+function testFirstArgument(arg1, expectedSize) {
+  const file = new File(arg1, "name");
+  assert(file instanceof File);
+  assertEqual(file.name, "name");
+  assertEqual(file.size, expectedSize);
+  assertEqual(file.type, "");
+}
+
+test(function fileEmptyFileBits() {
+  testFirstArgument([], 0);
+});
+
+test(function fileStringFileBits() {
+  testFirstArgument(["bits"], 4);
+});
+
+test(function fileUnicodeStringFileBits() {
+  testFirstArgument(["𝓽𝓮𝔁𝓽"], 16);
+});
+
+test(function fileStringObjectFileBits() {
+  // tslint:disable-next-line no-construct
+  testFirstArgument([new String("string object")], 13);
+});
+
+test(function fileEmptyBlobFileBits() {
+  testFirstArgument([new Blob()], 0);
+});
+
+test(function fileBlobFileBits() {
+  testFirstArgument([new Blob(["bits"])], 4);
+});
+
+test(function fileEmptyFileFileBits() {
+  testFirstArgument([new File([], "world.txt")], 0);
+});
+
+test(function fileFileFileBits() {
+  testFirstArgument([new File(["bits"], "world.txt")], 4);
+});
+
+test(function fileArrayBufferFileBits() {
+  testFirstArgument([new ArrayBuffer(8)], 8);
+});
+
+test(function fileTypedArrayFileBits() {
+  testFirstArgument([new Uint8Array([0x50, 0x41, 0x53, 0x53])], 4);
+});
+
+test(function fileVariousFileBits() {
+  testFirstArgument(
+    [
+      "bits",
+      new Blob(["bits"]),
+      new Blob(),
+      new Uint8Array([0x50, 0x41]),
+      new Uint16Array([0x5353]),
+      new Uint32Array([0x53534150])
+    ],
+    16
+  );
+});
+
+test(function fileNumberInFileBits() {
+  testFirstArgument([12], 2);
+});
+
+test(function fileArrayInFileBits() {
+  testFirstArgument([[1, 2, 3]], 5);
+});
+
+test(function fileObjectInFileBits() {
+  // "[object Object]"
+  testFirstArgument([{}], 15);
+});
+
+function testSecondArgument(arg2, expectedFileName) {
+  const file = new File(["bits"], arg2);
+  assert(file instanceof File);
+  assertEqual(file.name, expectedFileName);
+}
+
+test(function fileUsingFileName() {
+  testSecondArgument("dummy", "dummy");
+});
+
+test(function fileUsingSpecialCharacterInFileName() {
+  testSecondArgument("dummy/foo", "dummy:foo");
+});
+
+test(function fileUsingNullFileName() {
+  testSecondArgument(null, "null");
+});
+
+test(function fileUsingNumberFileName() {
+  testSecondArgument(1, "1");
+});
+
+test(function fileUsingEmptyStringFileName() {
+  testSecondArgument("", "");
+});