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

1 files changed, 92 insertions, 0 deletions

diff --git a/js/form_data_test.ts b/js/form_data_test.ts
new file mode 100644
index 000000000..04a05acaf
--- /dev/null
+++ b/js/form_data_test.ts
@@ -0,0 +1,92 @@
+// Copyright 2018 the Deno authors. All rights reserved. MIT license.
+import { test, assert, assertEqual } from "./test_util.ts";
+
+test(function formDataParamsAppendSuccess() {
+  const formData = new FormData();
+  formData.append("a", "true");
+  assertEqual(formData.get("a"), "true");
+});
+
+test(function formDataParamsDeleteSuccess() {
+  const formData = new FormData();
+  formData.append("a", "true");
+  formData.append("b", "false");
+  assertEqual(formData.get("b"), "false");
+  formData.delete("b");
+  assertEqual(formData.get("a"), "true");
+  assertEqual(formData.get("b"), null);
+});
+
+test(function formDataParamsGetAllSuccess() {
+  const formData = new FormData();
+  formData.append("a", "true");
+  formData.append("b", "false");
+  formData.append("a", "null");
+  assertEqual(formData.getAll("a"), ["true", "null"]);
+  assertEqual(formData.getAll("b"), ["false"]);
+  assertEqual(formData.getAll("c"), []);
+});
+
+test(function formDataParamsGetSuccess() {
+  const formData = new FormData();
+  formData.append("a", "true");
+  formData.append("b", "false");
+  formData.append("a", "null");
+  formData.append("d", undefined);
+  formData.append("e", null);
+  assertEqual(formData.get("a"), "true");
+  assertEqual(formData.get("b"), "false");
+  assertEqual(formData.get("c"), null);
+  assertEqual(formData.get("d"), "undefined");
+  assertEqual(formData.get("e"), "null");
+});
+
+test(function formDataParamsHasSuccess() {
+  const formData = new FormData();
+  formData.append("a", "true");
+  formData.append("b", "false");
+  assert(formData.has("a"));
+  assert(formData.has("b"));
+  assert(!formData.has("c"));
+});
+
+test(function formDataParamsSetSuccess() {
+  const formData = new FormData();
+  formData.append("a", "true");
+  formData.append("b", "false");
+  formData.append("a", "null");
+  assertEqual(formData.getAll("a"), ["true", "null"]);
+  assertEqual(formData.getAll("b"), ["false"]);
+  formData.set("a", "false");
+  assertEqual(formData.getAll("a"), ["false"]);
+  formData.set("d", undefined);
+  assertEqual(formData.get("d"), "undefined");
+  formData.set("e", null);
+  assertEqual(formData.get("e"), "null");
+});
+
+test(function formDataSetEmptyBlobSuccess() {
+  const formData = new FormData();
+  formData.set("a", new Blob([]), "blank.txt");
+  const file = formData.get("a");
+  assert(file instanceof File);
+  if (typeof file !== "string") {
+    assertEqual(file.name, "blank.txt");
+  }
+});
+
+test(function formDataParamsForEachSuccess() {
+  const init = [["a", "54"], ["b", "true"]];
+  const formData = new FormData();
+  for (const [name, value] of init) {
+    formData.append(name, value);
+  }
+  let callNum = 0;
+  formData.forEach((value, key, parent) => {
+    assertEqual(formData, parent);
+    assertEqual(value, init[callNum][1]);
+    assertEqual(key, init[callNum][0]);
+    callNum++;
+  });
+  assertEqual(callNum, init.length);
+});