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path: root/dom/html/test/formData_test.js
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/* eslint-disable mozilla/no-comparison-or-assignment-inside-ok */

function testHas() {
  var f = new FormData();
  f.append("foo", "bar");
  f.append("another", "value");
  ok(f.has("foo"), "has() on existing name should be true.");
  ok(f.has("another"), "has() on existing name should be true.");
  ok(!f.has("nonexistent"), "has() on non-existent name should be false.");
}

function testGet() {
  var f = new FormData();
  f.append("foo", "bar");
  f.append("foo", "bar2");
  f.append("blob", new Blob(["hey"], { type: "text/plain" }));
  f.append("file", new File(["hey"], "testname", { type: "text/plain" }));

  is(f.get("foo"), "bar", "get() on existing name should return first value");
  ok(
    f.get("blob") instanceof Blob,
    "get() on existing name should return first value"
  );
  is(
    f.get("blob").type,
    "text/plain",
    "get() on existing name should return first value"
  );
  ok(
    f.get("file") instanceof File,
    "get() on existing name should return first value"
  );
  is(
    f.get("file").name,
    "testname",
    "get() on existing name should return first value"
  );

  is(
    f.get("nonexistent"),
    null,
    "get() on non-existent name should return null."
  );
}

function testGetAll() {
  var f = new FormData();
  f.append("other", "value");
  f.append("foo", "bar");
  f.append("foo", "bar2");
  f.append("foo", new Blob(["hey"], { type: "text/plain" }));

  var arr = f.getAll("foo");
  is(arr.length, 3, "getAll() should retrieve all matching entries.");
  is(arr[0], "bar", "values should match and be in order");
  is(arr[1], "bar2", "values should match and be in order");
  ok(arr[2] instanceof Blob, "values should match and be in order");

  is(
    f.get("nonexistent"),
    null,
    "get() on non-existent name should return null."
  );
}

function testDelete() {
  var f = new FormData();
  f.append("other", "value");
  f.append("foo", "bar");
  f.append("foo", "bar2");
  f.append("foo", new Blob(["hey"], { type: "text/plain" }));

  ok(f.has("foo"), "has() on existing name should be true.");
  f.delete("foo");
  ok(!f.has("foo"), "has() on deleted name should be false.");
  is(f.getAll("foo").length, 0, "all entries should be deleted.");

  is(f.getAll("other").length, 1, "other names should still be there.");
  f.delete("other");
  is(f.getAll("other").length, 0, "all entries should be deleted.");
}

function testSet() {
  var f = new FormData();

  f.set("other", "value");
  ok(f.has("other"), "set() on new name should be similar to append()");
  is(
    f.getAll("other").length,
    1,
    "set() on new name should be similar to append()"
  );

  f.append("other", "value2");
  is(
    f.getAll("other").length,
    2,
    "append() should not replace existing entries."
  );

  f.append("foo", "bar");
  f.append("other", "value3");
  f.append("other", "value3");
  f.append("other", "value3");
  is(
    f.getAll("other").length,
    5,
    "append() should not replace existing entries."
  );

  f.set("other", "value4");
  is(f.getAll("other").length, 1, "set() should replace existing entries.");
  is(f.getAll("other")[0], "value4", "set() should replace existing entries.");
}

function testFilename() {
  var f = new FormData();
  f.append("blob", new Blob(["hi"]));
  ok(f.get("blob") instanceof Blob, "We should have a blob back.");

  // If a filename is passed, that should replace the original.
  f.append("blob2", new Blob(["hi"]), "blob2.txt");
  is(
    f.get("blob2").name,
    "blob2.txt",
    'Explicit filename should override "blob".'
  );

  var file = new File(["hi"], "file1.txt");
  f.append("file1", file);
  // If a file is passed, the "create entry" algorithm should not create a new File, but reuse the existing one.
  is(
    f.get("file1"),
    file,
    "Retrieved File object should be original File object and not a copy."
  );
  is(
    f.get("file1").name,
    "file1.txt",
    "File's filename should be original's name if no filename is explicitly passed."
  );

  file = new File(["hi"], "file2.txt");
  f.append("file2", file, "fakename.txt");
  ok(
    f.get("file2") !== file,
    "Retrieved File object should be new File object if explicit filename is passed."
  );
  is(
    f.get("file2").name,
    "fakename.txt",
    "File's filename should be explicitly passed name."
  );
  f.append("file3", new File(["hi"], ""));
  is(f.get("file3").name, "", "File's filename is returned even if empty.");
}

function testIterable() {
  var fd = new FormData();
  fd.set("1", "2");
  fd.set("2", "4");
  fd.set("3", "6");
  fd.set("4", "8");
  fd.set("5", "10");

  var key_iter = fd.keys();
  var value_iter = fd.values();
  var entries_iter = fd.entries();
  for (var i = 0; i < 5; ++i) {
    var v = i + 1;
    var key = key_iter.next();
    var value = value_iter.next();
    var entry = entries_iter.next();
    is(key.value, v.toString(), "Correct Key iterator: " + v.toString());
    ok(!key.done, "key.done is false");
    is(
      value.value,
      (v * 2).toString(),
      "Correct Value iterator: " + (v * 2).toString()
    );
    ok(!value.done, "value.done is false");
    is(
      entry.value[0],
      v.toString(),
      "Correct Entry 0 iterator: " + v.toString()
    );
    is(
      entry.value[1],
      (v * 2).toString(),
      "Correct Entry 1 iterator: " + (v * 2).toString()
    );
    ok(!entry.done, "entry.done is false");
  }

  var last = key_iter.next();
  ok(last.done, "Nothing more to read.");
  is(last.value, undefined, "Undefined is the last key");

  last = value_iter.next();
  ok(last.done, "Nothing more to read.");
  is(last.value, undefined, "Undefined is the last value");

  last = entries_iter.next();
  ok(last.done, "Nothing more to read.");

  key_iter = fd.keys();
  key_iter.next();
  key_iter.next();
  fd.delete("1");
  fd.delete("2");
  fd.delete("3");
  fd.delete("4");
  fd.delete("5");

  last = key_iter.next();
  ok(last.done, "Nothing more to read.");
  is(last.value, undefined, "Undefined is the last key");
}

function testSend(doneCb) {
  var xhr = new XMLHttpRequest();
  xhr.open("POST", "form_submit_server.sjs");
  xhr.onload = function () {
    var response = xhr.response;

    for (var entry of response) {
      is(entry.body, "hey");
      is(entry.headers["Content-Type"], "text/plain");
    }

    is(
      response[0].headers["Content-Disposition"],
      'form-data; name="empty"; filename="blob"'
    );

    is(
      response[1].headers["Content-Disposition"],
      'form-data; name="explicit"; filename="explicit-file-name"'
    );

    is(
      response[2].headers["Content-Disposition"],
      'form-data; name="explicit-empty"; filename=""'
    );

    is(
      response[3].headers["Content-Disposition"],
      'form-data; name="file-name"; filename="testname"'
    );

    is(
      response[4].headers["Content-Disposition"],
      'form-data; name="empty-file-name"; filename=""'
    );

    is(
      response[5].headers["Content-Disposition"],
      'form-data; name="file-name-overwrite"; filename="overwrite"'
    );

    doneCb();
  };

  var file,
    blob = new Blob(["hey"], { type: "text/plain" });

  var fd = new FormData();
  fd.append("empty", blob);
  fd.append("explicit", blob, "explicit-file-name");
  fd.append("explicit-empty", blob, "");
  file = new File([blob], "testname", { type: "text/plain" });
  fd.append("file-name", file);
  file = new File([blob], "", { type: "text/plain" });
  fd.append("empty-file-name", file);
  file = new File([blob], "testname", { type: "text/plain" });
  fd.append("file-name-overwrite", file, "overwrite");
  xhr.responseType = "json";
  xhr.send(fd);
}

function runTest(doneCb) {
  testHas();
  testGet();
  testGetAll();
  testDelete();
  testSet();
  testFilename();
  testIterable();
  // Finally, send an XHR and verify the response matches.
  testSend(doneCb);
}