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-rw-r--r--cli/js/tests/fetch_test.ts497
1 files changed, 497 insertions, 0 deletions
diff --git a/cli/js/tests/fetch_test.ts b/cli/js/tests/fetch_test.ts
new file mode 100644
index 000000000..5ebef92d9
--- /dev/null
+++ b/cli/js/tests/fetch_test.ts
@@ -0,0 +1,497 @@
+// Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
+import {
+ unitTest,
+ assert,
+ assertEquals,
+ assertStrContains,
+ assertThrows,
+ fail
+} from "./test_util.ts";
+
+unitTest({ perms: { net: true } }, async function fetchProtocolError(): Promise<
+ void
+> {
+ let err;
+ try {
+ await fetch("file:///");
+ } catch (err_) {
+ err = err_;
+ }
+ assert(err instanceof TypeError);
+ assertStrContains(err.message, "not supported");
+});
+
+unitTest(
+ { perms: { net: true } },
+ async function fetchConnectionError(): Promise<void> {
+ let err;
+ try {
+ await fetch("http://localhost:4000");
+ } catch (err_) {
+ err = err_;
+ }
+ assert(err instanceof Deno.errors.Http);
+ assertStrContains(err.message, "error trying to connect");
+ }
+);
+
+unitTest({ perms: { net: true } }, async function fetchJsonSuccess(): Promise<
+ void
+> {
+ const response = await fetch("http://localhost:4545/cli/tests/fixture.json");
+ const json = await response.json();
+ assertEquals(json.name, "deno");
+});
+
+unitTest(async function fetchPerm(): Promise<void> {
+ let err;
+ try {
+ await fetch("http://localhost:4545/cli/tests/fixture.json");
+ } catch (err_) {
+ err = err_;
+ }
+ assert(err instanceof Deno.errors.PermissionDenied);
+ assertEquals(err.name, "PermissionDenied");
+});
+
+unitTest({ perms: { net: true } }, async function fetchUrl(): Promise<void> {
+ const response = await fetch("http://localhost:4545/cli/tests/fixture.json");
+ assertEquals(response.url, "http://localhost:4545/cli/tests/fixture.json");
+ response.body.close();
+});
+
+unitTest({ perms: { net: true } }, async function fetchURL(): Promise<void> {
+ const response = await fetch(
+ new URL("http://localhost:4545/cli/tests/fixture.json")
+ );
+ assertEquals(response.url, "http://localhost:4545/cli/tests/fixture.json");
+ response.body.close();
+});
+
+unitTest({ perms: { net: true } }, async function fetchHeaders(): Promise<
+ void
+> {
+ const response = await fetch("http://localhost:4545/cli/tests/fixture.json");
+ const headers = response.headers;
+ assertEquals(headers.get("Content-Type"), "application/json");
+ assert(headers.get("Server")!.startsWith("SimpleHTTP"));
+ response.body.close();
+});
+
+unitTest({ perms: { net: true } }, async function fetchBlob(): Promise<void> {
+ const response = await fetch("http://localhost:4545/cli/tests/fixture.json");
+ const headers = response.headers;
+ const blob = await response.blob();
+ assertEquals(blob.type, headers.get("Content-Type"));
+ assertEquals(blob.size, Number(headers.get("Content-Length")));
+});
+
+unitTest({ perms: { net: true } }, async function fetchBodyUsed(): Promise<
+ void
+> {
+ const response = await fetch("http://localhost:4545/cli/tests/fixture.json");
+ assertEquals(response.bodyUsed, false);
+ assertThrows((): void => {
+ // Assigning to read-only property throws in the strict mode.
+ response.bodyUsed = true;
+ });
+ await response.blob();
+ assertEquals(response.bodyUsed, true);
+});
+
+unitTest({ perms: { net: true } }, async function fetchAsyncIterator(): Promise<
+ void
+> {
+ const response = await fetch("http://localhost:4545/cli/tests/fixture.json");
+ const headers = response.headers;
+ let total = 0;
+ for await (const chunk of response.body) {
+ total += chunk.length;
+ }
+
+ assertEquals(total, Number(headers.get("Content-Length")));
+ response.body.close();
+});
+
+unitTest({ perms: { net: true } }, async function responseClone(): Promise<
+ void
+> {
+ const response = await fetch("http://localhost:4545/cli/tests/fixture.json");
+ const response1 = response.clone();
+ assert(response !== response1);
+ assertEquals(response.status, response1.status);
+ assertEquals(response.statusText, response1.statusText);
+ const u8a = new Uint8Array(await response.arrayBuffer());
+ const u8a1 = new Uint8Array(await response1.arrayBuffer());
+ for (let i = 0; i < u8a.byteLength; i++) {
+ assertEquals(u8a[i], u8a1[i]);
+ }
+});
+
+unitTest({ perms: { net: true } }, async function fetchEmptyInvalid(): Promise<
+ void
+> {
+ let err;
+ try {
+ await fetch("");
+ } catch (err_) {
+ err = err_;
+ }
+ assert(err instanceof URIError);
+});
+
+unitTest(
+ { perms: { net: true } },
+ async function fetchMultipartFormDataSuccess(): Promise<void> {
+ const response = await fetch(
+ "http://localhost:4545/cli/tests/subdir/multipart_form_data.txt"
+ );
+ const formData = await response.formData();
+ assert(formData.has("field_1"));
+ assertEquals(formData.get("field_1")!.toString(), "value_1 \r\n");
+ assert(formData.has("field_2"));
+ /* TODO(ry) Re-enable this test once we bring back the global File type.
+ const file = formData.get("field_2") as File;
+ assertEquals(file.name, "file.js");
+ */
+ // Currently we cannot read from file...
+ }
+);
+
+unitTest(
+ { perms: { net: true } },
+ async function fetchURLEncodedFormDataSuccess(): Promise<void> {
+ const response = await fetch(
+ "http://localhost:4545/cli/tests/subdir/form_urlencoded.txt"
+ );
+ const formData = await response.formData();
+ assert(formData.has("field_1"));
+ assertEquals(formData.get("field_1")!.toString(), "Hi");
+ assert(formData.has("field_2"));
+ assertEquals(formData.get("field_2")!.toString(), "<Deno>");
+ }
+);
+
+unitTest(
+ {
+ // TODO(bartlomieju): leaking resources
+ skip: true,
+ perms: { net: true }
+ },
+ async function fetchWithRedirection(): Promise<void> {
+ const response = await fetch("http://localhost:4546/"); // will redirect to http://localhost:4545/
+ assertEquals(response.status, 200);
+ assertEquals(response.statusText, "OK");
+ assertEquals(response.url, "http://localhost:4545/");
+ const body = await response.text();
+ assert(body.includes("<title>Directory listing for /</title>"));
+ }
+);
+
+unitTest(
+ {
+ // TODO: leaking resources
+ skip: true,
+ perms: { net: true }
+ },
+ async function fetchWithRelativeRedirection(): Promise<void> {
+ const response = await fetch("http://localhost:4545/cli/tests"); // will redirect to /cli/tests/
+ assertEquals(response.status, 200);
+ assertEquals(response.statusText, "OK");
+ const body = await response.text();
+ assert(body.includes("<title>Directory listing for /cli/tests/</title>"));
+ }
+);
+
+// The feature below is not implemented, but the test should work after implementation
+/*
+unitTest({ perms: { net: true} }, async function fetchWithInfRedirection(): Promise<
+ void
+> {
+ const response = await fetch("http://localhost:4549/cli/tests"); // will redirect to the same place
+ assertEquals(response.status, 0); // network error
+});
+*/
+
+unitTest(
+ { perms: { net: true } },
+ async function fetchInitStringBody(): Promise<void> {
+ const data = "Hello World";
+ const response = await fetch("http://localhost:4545/echo_server", {
+ method: "POST",
+ body: data
+ });
+ const text = await response.text();
+ assertEquals(text, data);
+ assert(response.headers.get("content-type")!.startsWith("text/plain"));
+ }
+);
+
+unitTest(
+ { perms: { net: true } },
+ async function fetchRequestInitStringBody(): Promise<void> {
+ const data = "Hello World";
+ const req = new Request("http://localhost:4545/echo_server", {
+ method: "POST",
+ body: data
+ });
+ const response = await fetch(req);
+ const text = await response.text();
+ assertEquals(text, data);
+ }
+);
+
+unitTest(
+ { perms: { net: true } },
+ async function fetchInitTypedArrayBody(): Promise<void> {
+ const data = "Hello World";
+ const response = await fetch("http://localhost:4545/echo_server", {
+ method: "POST",
+ body: new TextEncoder().encode(data)
+ });
+ const text = await response.text();
+ assertEquals(text, data);
+ }
+);
+
+unitTest(
+ { perms: { net: true } },
+ async function fetchInitURLSearchParamsBody(): Promise<void> {
+ const data = "param1=value1&param2=value2";
+ const params = new URLSearchParams(data);
+ const response = await fetch("http://localhost:4545/echo_server", {
+ method: "POST",
+ body: params
+ });
+ const text = await response.text();
+ assertEquals(text, data);
+ assert(
+ response.headers
+ .get("content-type")!
+ .startsWith("application/x-www-form-urlencoded")
+ );
+ }
+);
+
+unitTest({ perms: { net: true } }, async function fetchInitBlobBody(): Promise<
+ void
+> {
+ const data = "const a = 1";
+ const blob = new Blob([data], {
+ type: "text/javascript"
+ });
+ const response = await fetch("http://localhost:4545/echo_server", {
+ method: "POST",
+ body: blob
+ });
+ const text = await response.text();
+ assertEquals(text, data);
+ assert(response.headers.get("content-type")!.startsWith("text/javascript"));
+});
+
+unitTest({ perms: { net: true } }, async function fetchUserAgent(): Promise<
+ void
+> {
+ const data = "Hello World";
+ const response = await fetch("http://localhost:4545/echo_server", {
+ method: "POST",
+ body: new TextEncoder().encode(data)
+ });
+ assertEquals(response.headers.get("user-agent"), `Deno/${Deno.version.deno}`);
+ await response.text();
+});
+
+// TODO(ry) The following tests work but are flaky. There's a race condition
+// somewhere. Here is what one of these flaky failures looks like:
+//
+// unitTest fetchPostBodyString_permW0N1E0R0
+// assertEquals failed. actual = expected = POST /blah HTTP/1.1
+// hello: World
+// foo: Bar
+// host: 127.0.0.1:4502
+// content-length: 11
+// hello world
+// Error: actual: expected: POST /blah HTTP/1.1
+// hello: World
+// foo: Bar
+// host: 127.0.0.1:4502
+// content-length: 11
+// hello world
+// at Object.assertEquals (file:///C:/deno/js/testing/util.ts:29:11)
+// at fetchPostBodyString (file
+
+/*
+function bufferServer(addr: string): Deno.Buffer {
+ const listener = Deno.listen(addr);
+ const buf = new Deno.Buffer();
+ listener.accept().then(async conn => {
+ const p1 = buf.readFrom(conn);
+ const p2 = conn.write(
+ new TextEncoder().encode(
+ "HTTP/1.0 404 Not Found\r\nContent-Length: 2\r\n\r\nNF"
+ )
+ );
+ // Wait for both an EOF on the read side of the socket and for the write to
+ // complete before closing it. Due to keep-alive, the EOF won't be sent
+ // until the Connection close (HTTP/1.0) response, so readFrom() can't
+ // proceed write. Conversely, if readFrom() is async, waiting for the
+ // write() to complete is not a guarantee that we've read the incoming
+ // request.
+ await Promise.all([p1, p2]);
+ conn.close();
+ listener.close();
+ });
+ return buf;
+}
+
+unitTest({ perms: { net: true} }, async function fetchRequest():Promise<void> {
+ const addr = "127.0.0.1:4501";
+ const buf = bufferServer(addr);
+ const response = await fetch(`http://${addr}/blah`, {
+ method: "POST",
+ headers: [["Hello", "World"], ["Foo", "Bar"]]
+ });
+ assertEquals(response.status, 404);
+ assertEquals(response.headers.get("Content-Length"), "2");
+
+ const actual = new TextDecoder().decode(buf.bytes());
+ const expected = [
+ "POST /blah HTTP/1.1\r\n",
+ "hello: World\r\n",
+ "foo: Bar\r\n",
+ `host: ${addr}\r\n\r\n`
+ ].join("");
+ assertEquals(actual, expected);
+});
+
+unitTest({ perms: { net: true} }, async function fetchPostBodyString():Promise<void> {
+ const addr = "127.0.0.1:4502";
+ const buf = bufferServer(addr);
+ const body = "hello world";
+ const response = await fetch(`http://${addr}/blah`, {
+ method: "POST",
+ headers: [["Hello", "World"], ["Foo", "Bar"]],
+ body
+ });
+ assertEquals(response.status, 404);
+ assertEquals(response.headers.get("Content-Length"), "2");
+
+ const actual = new TextDecoder().decode(buf.bytes());
+ const expected = [
+ "POST /blah HTTP/1.1\r\n",
+ "hello: World\r\n",
+ "foo: Bar\r\n",
+ `host: ${addr}\r\n`,
+ `content-length: ${body.length}\r\n\r\n`,
+ body
+ ].join("");
+ assertEquals(actual, expected);
+});
+
+unitTest({ perms: { net: true} }, async function fetchPostBodyTypedArray():Promise<void> {
+ const addr = "127.0.0.1:4503";
+ const buf = bufferServer(addr);
+ const bodyStr = "hello world";
+ const body = new TextEncoder().encode(bodyStr);
+ const response = await fetch(`http://${addr}/blah`, {
+ method: "POST",
+ headers: [["Hello", "World"], ["Foo", "Bar"]],
+ body
+ });
+ assertEquals(response.status, 404);
+ assertEquals(response.headers.get("Content-Length"), "2");
+
+ const actual = new TextDecoder().decode(buf.bytes());
+ const expected = [
+ "POST /blah HTTP/1.1\r\n",
+ "hello: World\r\n",
+ "foo: Bar\r\n",
+ `host: ${addr}\r\n`,
+ `content-length: ${body.byteLength}\r\n\r\n`,
+ bodyStr
+ ].join("");
+ assertEquals(actual, expected);
+});
+*/
+
+unitTest(
+ {
+ // TODO: leaking resources
+ skip: true,
+ perms: { net: true }
+ },
+ async function fetchWithManualRedirection(): Promise<void> {
+ const response = await fetch("http://localhost:4546/", {
+ redirect: "manual"
+ }); // will redirect to http://localhost:4545/
+ assertEquals(response.status, 0);
+ assertEquals(response.statusText, "");
+ assertEquals(response.url, "");
+ assertEquals(response.type, "opaqueredirect");
+ try {
+ await response.text();
+ fail(
+ "Reponse.text() didn't throw on a filtered response without a body (type opaqueredirect)"
+ );
+ } catch (e) {
+ return;
+ }
+ }
+);
+
+unitTest(
+ {
+ // TODO: leaking resources
+ skip: true,
+ perms: { net: true }
+ },
+ async function fetchWithErrorRedirection(): Promise<void> {
+ const response = await fetch("http://localhost:4546/", {
+ redirect: "error"
+ }); // will redirect to http://localhost:4545/
+ assertEquals(response.status, 0);
+ assertEquals(response.statusText, "");
+ assertEquals(response.url, "");
+ assertEquals(response.type, "error");
+ try {
+ await response.text();
+ fail(
+ "Reponse.text() didn't throw on a filtered response without a body (type error)"
+ );
+ } catch (e) {
+ return;
+ }
+ }
+);
+
+unitTest(function responseRedirect(): void {
+ const response = new Response(
+ "example.com/beforeredirect",
+ 200,
+ "OK",
+ [["This-Should", "Disappear"]],
+ -1,
+ false,
+ null
+ );
+ const redir = response.redirect("example.com/newLocation", 301);
+ assertEquals(redir.status, 301);
+ assertEquals(redir.statusText, "");
+ assertEquals(redir.url, "");
+ assertEquals(redir.headers.get("Location"), "example.com/newLocation");
+ assertEquals(redir.type, "default");
+});
+
+unitTest(function responseConstructionHeaderRemoval(): void {
+ const res = new Response(
+ "example.com",
+ 200,
+ "OK",
+ [["Set-Cookie", "mysessionid"]],
+ -1,
+ false,
+ "basic",
+ null
+ );
+ assert(res.headers.get("Set-Cookie") != "mysessionid");
+});
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