Move fetch headers into its own file.

1 files changed, 171 insertions, 0 deletions

diff --git a/js/headers_test.ts b/js/headers_test.ts
new file mode 100644
index 000000000..6980c3d7e
--- /dev/null
+++ b/js/headers_test.ts
@@ -0,0 +1,171 @@
+// Copyright 2018 the Deno authors. All rights reserved. MIT license.
+import { test, testPerm, assert, assertEqual } from "./test_util.ts";
+import * as deno from "deno";
+
+// Logic heavily copied from web-platform-tests, make
+// sure pass mostly header basic test
+/* tslint:disable-next-line:max-line-length */
+// ref: https://github.com/web-platform-tests/wpt/blob/7c50c216081d6ea3c9afe553ee7b64534020a1b2/fetch/api/headers/headers-basic.html
+/* tslint:disable:no-unused-expression */
+test(function newHeaderTest() {
+  new Headers();
+  new Headers(undefined);
+  new Headers({});
+  try {
+    new Headers(null);
+  } catch (e) {
+    assertEqual(
+      e.message,
+      "Failed to construct 'Headers'; The provided value was not valid"
+    );
+  }
+});
+
+const headerDict = {
+  name1: "value1",
+  name2: "value2",
+  name3: "value3",
+  name4: undefined,
+  "Content-Type": "value4"
+};
+const headerSeq = [];
+for (const name in headerDict) {
+  headerSeq.push([name, headerDict[name]]);
+}
+
+test(function newHeaderWithSequence() {
+  const headers = new Headers(headerSeq);
+  for (const name in headerDict) {
+    assertEqual(headers.get(name), String(headerDict[name]));
+  }
+  assertEqual(headers.get("length"), null);
+});
+
+test(function newHeaderWithRecord() {
+  const headers = new Headers(headerDict);
+  for (const name in headerDict) {
+    assertEqual(headers.get(name), String(headerDict[name]));
+  }
+});
+
+test(function newHeaderWithHeadersInstance() {
+  const headers = new Headers(headerDict);
+  const headers2 = new Headers(headers);
+  for (const name in headerDict) {
+    assertEqual(headers2.get(name), String(headerDict[name]));
+  }
+});
+
+test(function headerAppendSuccess() {
+  const headers = new Headers();
+  for (const name in headerDict) {
+    headers.append(name, headerDict[name]);
+    assertEqual(headers.get(name), String(headerDict[name]));
+  }
+});
+
+test(function headerSetSuccess() {
+  const headers = new Headers();
+  for (const name in headerDict) {
+    headers.set(name, headerDict[name]);
+    assertEqual(headers.get(name), String(headerDict[name]));
+  }
+});
+
+test(function headerHasSuccess() {
+  const headers = new Headers(headerDict);
+  for (const name in headerDict) {
+    assert(headers.has(name), "headers has name " + name);
+    /* tslint:disable-next-line:max-line-length */
+    assert(
+      !headers.has("nameNotInHeaders"),
+      "headers do not have header: nameNotInHeaders"
+    );
+  }
+});
+
+test(function headerDeleteSuccess() {
+  const headers = new Headers(headerDict);
+  for (const name in headerDict) {
+    assert(headers.has(name), "headers have a header: " + name);
+    headers.delete(name);
+    assert(!headers.has(name), "headers do not have anymore a header: " + name);
+  }
+});
+
+test(function headerGetSuccess() {
+  const headers = new Headers(headerDict);
+  for (const name in headerDict) {
+    assertEqual(headers.get(name), String(headerDict[name]));
+    assertEqual(headers.get("nameNotInHeaders"), null);
+  }
+});
+
+test(function headerEntriesSuccess() {
+  const headers = new Headers(headerDict);
+  const iterators = headers.entries();
+  for (const it of iterators) {
+    const key = it[0];
+    const value = it[1];
+    assert(headers.has(key));
+    assertEqual(value, headers.get(key));
+  }
+});
+
+test(function headerKeysSuccess() {
+  const headers = new Headers(headerDict);
+  const iterators = headers.keys();
+  for (const it of iterators) {
+    assert(headers.has(it));
+  }
+});
+
+test(function headerValuesSuccess() {
+  const headers = new Headers(headerDict);
+  const iterators = headers.values();
+  const entries = headers.entries();
+  const values = [];
+  for (const pair of entries) {
+    values.push(pair[1]);
+  }
+  for (const it of iterators) {
+    assert(values.includes(it));
+  }
+});
+
+const headerEntriesDict = {
+  name1: "value1",
+  Name2: "value2",
+  name: "value3",
+  "content-Type": "value4",
+  "Content-Typ": "value5",
+  "Content-Types": "value6"
+};
+
+test(function headerForEachSuccess() {
+  const headers = new Headers(headerEntriesDict);
+  const keys = Object.keys(headerEntriesDict);
+  keys.forEach(key => {
+    const value = headerEntriesDict[key];
+    const newkey = key.toLowerCase();
+    headerEntriesDict[newkey] = value;
+  });
+  let callNum = 0;
+  headers.forEach((value, key, container) => {
+    assertEqual(headers, container);
+    assertEqual(value, headerEntriesDict[key]);
+    callNum++;
+  });
+  assertEqual(callNum, keys.length);
+});
+
+test(function headerSymbolIteratorSuccess() {
+  assert(Symbol.iterator in Headers.prototype);
+  const headers = new Headers(headerEntriesDict);
+  for (const header of headers) {
+    const key = header[0];
+    const value = header[1];
+    assert(headers.has(key));
+    assertEqual(value, headers.get(key));
+  }
+});