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// Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
import { test, assert, assertEquals } from "./test_util.ts";
test(function formDataHasCorrectNameProp(): void {
assertEquals(FormData.name, "FormData");
});
test(function formDataParamsAppendSuccess(): void {
const formData = new FormData();
formData.append("a", "true");
assertEquals(formData.get("a"), "true");
});
test(function formDataParamsDeleteSuccess(): void {
const formData = new FormData();
formData.append("a", "true");
formData.append("b", "false");
assertEquals(formData.get("b"), "false");
formData.delete("b");
assertEquals(formData.get("a"), "true");
assertEquals(formData.get("b"), null);
});
test(function formDataParamsGetAllSuccess(): void {
const formData = new FormData();
formData.append("a", "true");
formData.append("b", "false");
formData.append("a", "null");
assertEquals(formData.getAll("a"), ["true", "null"]);
assertEquals(formData.getAll("b"), ["false"]);
assertEquals(formData.getAll("c"), []);
});
test(function formDataParamsGetSuccess(): void {
const formData = new FormData();
formData.append("a", "true");
formData.append("b", "false");
formData.append("a", "null");
// @ts-ignore
formData.append("d", undefined);
// @ts-ignore
formData.append("e", null);
assertEquals(formData.get("a"), "true");
assertEquals(formData.get("b"), "false");
assertEquals(formData.get("c"), null);
assertEquals(formData.get("d"), "undefined");
assertEquals(formData.get("e"), "null");
});
test(function formDataParamsHasSuccess(): void {
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(): void {
const formData = new FormData();
formData.append("a", "true");
formData.append("b", "false");
formData.append("a", "null");
assertEquals(formData.getAll("a"), ["true", "null"]);
assertEquals(formData.getAll("b"), ["false"]);
formData.set("a", "false");
assertEquals(formData.getAll("a"), ["false"]);
// @ts-ignore
formData.set("d", undefined);
assertEquals(formData.get("d"), "undefined");
// @ts-ignore
formData.set("e", null);
assertEquals(formData.get("e"), "null");
});
test(function formDataSetEmptyBlobSuccess(): void {
const formData = new FormData();
formData.set("a", new Blob([]), "blank.txt");
formData.get("a");
/* TODO Fix this test.
assert(file instanceof File);
if (typeof file !== "string") {
assertEquals(file.name, "blank.txt");
}
*/
});
test(function formDataParamsForEachSuccess(): void {
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): void => {
assertEquals(formData, parent);
assertEquals(value, init[callNum][1]);
assertEquals(key, init[callNum][0]);
callNum++;
});
assertEquals(callNum, init.length);
});
test(function formDataParamsArgumentsCheck(): void {
const methodRequireOneParam = [
"delete",
"getAll",
"get",
"has",
"forEach"
] as const;
const methodRequireTwoParams = ["append", "set"] as const;
methodRequireOneParam.forEach((method): void => {
const formData = new FormData();
let hasThrown = 0;
let errMsg = "";
try {
// @ts-ignore
formData[method]();
hasThrown = 1;
} catch (err) {
errMsg = err.message;
if (err instanceof TypeError) {
hasThrown = 2;
} else {
hasThrown = 3;
}
}
assertEquals(hasThrown, 2);
assertEquals(
errMsg,
`FormData.${method} requires at least 1 argument, but only 0 present`
);
});
methodRequireTwoParams.forEach((method: string): void => {
const formData = new FormData();
let hasThrown = 0;
let errMsg = "";
try {
// @ts-ignore
formData[method]();
hasThrown = 1;
} catch (err) {
errMsg = err.message;
if (err instanceof TypeError) {
hasThrown = 2;
} else {
hasThrown = 3;
}
}
assertEquals(hasThrown, 2);
assertEquals(
errMsg,
`FormData.${method} requires at least 2 arguments, but only 0 present`
);
hasThrown = 0;
errMsg = "";
try {
// @ts-ignore
formData[method]("foo");
hasThrown = 1;
} catch (err) {
errMsg = err.message;
if (err instanceof TypeError) {
hasThrown = 2;
} else {
hasThrown = 3;
}
}
assertEquals(hasThrown, 2);
assertEquals(
errMsg,
`FormData.${method} requires at least 2 arguments, but only 1 present`
);
});
});
test(function toStringShouldBeWebCompatibility(): void {
const formData = new FormData();
assertEquals(formData.toString(), "[object FormData]");
});
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