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// Copyright 2018-2025 the oak authors. All rights reserved. MIT license.
// deno-lint-ignore-file
import { assertEquals, assertStrictEquals, assertThrows } from "./deps_test.ts";
import type { Application, State } from "./application.ts";
import { Context } from "./context.ts";
import { assert, errors, SecureCookieMap, Status } from "./deps.ts";
import { NativeRequest } from
10BC0
"./http_server_native_request.ts";
import type {} from "./http_server_native.ts";
import { Request as OakRequest } from "./request.ts";
import { Response as OakResponse } from "./response.ts";
import type { UpgradeWebSocketFn, UpgradeWebSocketOptions } from "./types.ts";
import { cloneState } from "./utils/clone_state.ts";
import { isNode } from "./utils/type_guards.ts";
import { createPromiseWithResolvers } from "./utils/create_promise_with_resolvers.ts";
function createMockApp<S extends State = Record<string, any>>(
state = {} as S,
): Application<S> {
let listeners: any[] = [];
return {
state,
listeners,
dispatchEvent() {},
addEventListener(event: string) {
listeners.push(event);
},
[Symbol.for("Deno.customInspect")]() {
return `MockApplication {}`;
},
[Symbol.for("nodejs.util.inspect.custom")](
depth: number,
options: any,
inspect: (value: unknown, options?: unknown) => string,
) {
if (depth < 0) {
return options.stylize(`[MockApplication]`, "special");
}
const newOptions = Object.assign({}, options, {
depth: options.depth === null ? null : options.depth - 1,
});
return `${options.stylize("MockApplication", "special")} ${
inspect({}, newOptions)
}`;
},
} as any;
}
interface MockNativeOptions {
url?: string;
requestInit?: RequestInit;
upgradeThrow?: boolean;
upgradeUndefined?: boolean;
}
let respondWithStack: (Response | Promise<Response>)[] = [];
let upgradeWebSocketStack: [Request, UpgradeWebSocketOptions | undefined][] =
[];
const mockWebSocket = {} as WebSocket;
const mockResponse = {} as Response;
function createMockNativeRequest(
{
url = "http://localhost/",
requestInit = { headers: [["host", "localhost"]] },
upgradeThrow = true,
upgradeUndefined = false,
}: MockNativeOptions = {},
) {
respondWithStack = [];
upgradeWebSocketStack = [];
const request = new Request(url, requestInit);
const upgradeWebSocket: UpgradeWebSocketFn | undefined = upgradeUndefined
? undefined
: (request, options) => {
if (upgradeThrow) {
throw new TypeError("Cannot upgrade connection.");
}
upgradeWebSocketStack.push([request, options]);
return { response: mockResponse, socket: mockWebSocket };
};
const nativeRequest = new NativeRequest(request, { upgradeWebSocket });
const { promise, resolve } = createPromiseWithResolvers<Response>();
respondWithStack.push(promise);
nativeRequest.response.then((response) => resolve(response));
return nativeRequest;
}
Deno.test({
name: "context",
fn() {
const app = createMockApp();
const serverRequest = createMockNativeRequest();
const context = new Context(app, serverRequest, cloneState(app.state));
assert(context instanceof Context);
assertEquals(context.state, app.state);
assertStrictEquals(context.app, app);
assert(context.cookies instanceof SecureCookieMap);
assert(context.request instanceof OakRequest);
assert(context.request.source instanceof Request);
assert(context.response instanceof OakResponse);
},
});
Deno.test({
name: "context.assert()",
fn() {
const context: Context = new Context(
createMockApp(),
createMockNativeRequest(),
{},
);
assertThrows(
() => {
let loggedIn: string | undefined;
context.assert(loggedIn, 401, "Unauthorized");
},
errors.Unauthorized,
"Unauthorized",
);
},
});
Deno.test({
name: "context.assert() headers",
fn() {
const context: Context = new Context(
createMockApp(),
createMockNativeRequest(),
{},
);
assertThrows(
() => {
let loggedIn: string | undefined;
context.assert(loggedIn, 401, "Unauthorized", {
headers: new Headers({
"WWW-Authenticate":
'Bearer realm="oak-tests",error="invalid_token"',
}),
});
},
errors.Unauthorized,
"Unauthorized",
);
},
});
Deno.test({
name: "context.assert() expose",
fn() {
const context: Context = new Context(
createMockApp(),
createMockNativeRequest(),
{},
);
assertThrows(
() => {
let loggedIn: string | undefined;
context.assert(loggedIn, 401, "Unauthorized", {
expose: true,
});
},
errors.Unauthorized,
"Unauthorized",
);
},
});
Deno.test({
name: "context.assert() no redundant status",
fn() {
const context: Context = new Context(
createMockApp(),
createMockNativeRequest(),
{},
);
assertThrows(
() => {
let loggedIn: string | undefined;
context.assert(loggedIn, 401, "Unauthorized", {
status: Status.Unauthorized,
});
},
TypeError,
"Cannot set property status of Error which has only a getter",
);
},
});
Deno.test({
name: "context.throw()",
fn() {
const context = new Context(createMockApp(), createMockNativeRequest(), {});
assertThrows(
() => {
context.throw(404, "foobar");
},
errors.NotFound,
"foobar",
);
},
});
Deno.test({
name: "context.send() default path",
async fn() {
const context = new Context(
createMockApp(),
createMockNativeRequest({ url: "http://localhost/test.html" }),
{},
);
const fixture = await Deno.readFile("./fixtures/test.html");
await context.send({ root: "./fixtures", maxbuffer: 0 });
const response = await context.response.toDomResponse();
const ab = await response.arrayBuffer();
assertEquals(new Uint8Array(ab), fixture);
assertEquals(context.response.type, ".html");
assert(context.response.headers.get("last-modified") != null);
assertEquals(context.response.headers.get("cache-control"), "max-age=0");
context.response.destroy();
},
});
Deno.test({
name: "context.send() specified path",
async fn() {
const context = new Context(createMockApp(), createMockNativeRequest(), {});
const fixture = await Deno.readFile("./fixtures/test.html");
await context.send({
path: "/test.html",
root: "./fixtures",
maxbuffer: 0,
});
const response = await context.response.toDomResponse();
const ab = await response.arrayBuffer();
assertEquals(new Uint8Array(ab), fixture);
assertEquals(context.response.type, ".html");
assert(context.response.headers.get("last-modified") != null);
assertEquals(context.response.headers.get("cache-control"), "max-age=0");
context.response.destroy();
},
});
Deno.test({
name: "context.upgrade()",
async fn() {
const context = new Context(
createMockApp(),
createMockNativeRequest({
url: "http://localhost/",
requestInit: {
headers: [
["upgrade", "websocket"],
["sec-websocket-key", "abc"],
["host", "localhost"],
],
},
upgradeThrow: false,
}),
{},
);
assert(context.socket === undefined);
const ws = context.upgrade();
assert(ws);
assertStrictEquals(context.socket, ws);
assertStrictEquals(ws, mockWebSocket);
assertEquals(context.respond, false);
assertEquals(respondWithStack.length, 1);
assertStrictEquals(await respondWithStack[0], mockResponse);
assertEquals(upgradeWebSocketStack.length, 1);
assertEquals((context.app as any).listeners, ["close"]);
},
});
Deno.test({
name: "context.upgrade() - not supported",
async fn() {
const context = new Context(
createMockApp(),
createMockNativeRequest({
url: "http://localhost/",
requestInit: {
headers: [
["upgrade", "websocket"],
["sec-websocket-key", "abc"],
["host", "localhost"],
],
},
upgradeUndefined: true,
}),
{},
);
assert(context.socket === undefined);
assertThrows(
() => {
context.upgrade();
},
TypeError,
"Upgrading web sockets not supported.",
);
assert(context.socket === undefined);
assertEquals(context.respond, true);
},
});
Deno.test({
name: "context.upgrade() failure does not set socket/respond",
async fn() {
const context = new Context(createMockApp(), createMockNativeRequest(), {});
assert(context.socket === undefined);
assertThrows(() => {
context.upgrade();
});
assert(context.socket === undefined);
assertEquals(context.respond, true);
},
});
Deno.test({
name: "context.isUpgradable true",
async fn() {
const context = new Context(
createMockApp(),
createMockNativeRequest({
url: "http://localhost/",
requestInit: {
headers: [
["upgrade", "websocket"],
["sec-websocket-key", "abc"],
["host", "localhost"],
],
},
}),
{},
);
assertEquals(context.isUpgradable, true);
},
});
Deno.test({
name: "context.isUpgradable false",
async fn() {
const context = new Context(
createMockApp(),
createMockNativeRequest({
url: "http://localhost/",
requestInit: {
headers: [
["upgrade", "websocket"],
],
},
}),
{},
);
assertEquals(context.isUpgradable, false);
},
});
Deno.test({
name: "context.sendEvents()",
async fn() {
const context = new Context(createMockApp(), createMockNativeRequest(), {});
const sse = await context.sendEvents();
assertEquals((context.app as any).listeners, ["close"]);
sse.dispatchComment(`hello world`);
await sse.close();
},
});
Deno.test({
name: "context create secure",
fn() {
const context = new Context(
createMockApp(),
createMockNativeRequest(),
{},
{ secure: true },
);
assertEquals(context.request.secure, true);
},
});
Deno.test({
name: "Context - inspecting",
ignore: true,
fn() {
const app = createMockApp();
const req = createMockNativeRequest();
assertEquals(
Deno.inspect(new Context(app, req, {}), { depth: 1 }),
isNode()
? `Context {\n app: [MockApplication],\n cookies: [SecureCookieMap],\n isUpgradable: false,\n respond: true,\n request: [Request],\n response: [Response],\n socket: undefined,\n state: {}\n}`
: `Context {\n app: MockApplication {},\n cookies: SecureCookieMap [],\n isUpgradable: false,\n respond: true,\n request: Request {\n body: Body { has: false, used: false },\n hasBody: false,\n headers: Headers { host: "localhost" },\n ip: "",\n ips: [],\n method: "GET",\n secure: false,\n url: "http://localhost/",\n userAgent: UserAgent {\n browser: { name: undefined, version: undefined, major: undefined },\n cpu: { architecture: undefined },\n device: { model: undefined, type: undefined, vendor: undefined },\n engine: { name: undefined, version: undefined },\n os: { name: undefined, version: undefined },\n ua: ""\n}\n},\n response: Response {\n body: undefined,\n headers: Headers {},\n status: 404,\n type: undefined,\n writable: true\n},\n socket: undefined,\n state: {}\n}`,
);
},
});