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// Maps protocol (without the trailing colon) and address space to port.
const SERVER_PORTS = {
"http": {
"local": {{ports[http][0]}},
"private": {{ports[http-private][0]}},
"public": {{ports[http-public][0]}},
},
"https": {
"local": {{ports[https][0]}},
"other-local": {{ports[https][1]}},
"private": {{ports[https-private][0]}},
"public": {{ports[https-public][0]}},
},
"ws": {
"local": {{ports[ws][0]}},
},
"wss": {
"local": {{ports[wss][0]}},
},
};
// A `Server` is a web server accessible by tests. It has the following shape:
//
// {
// addressSpace: the IP address space of the server ("local", "private" or
// "public"),
// name: a human-readable name for the server,
// port: the port on which the server listens for connections,
// protocol: the protocol (including trailing colon) spoken by the server,
// }
//
// Constants below define the available servers, which can also be accessed
// programmatically with `get()`.
class Server {
// Maps the given `protocol` (without a trailing colon) and `addressSpace` to
// a server. Returns null if no such server exists.
static get(protocol, addressSpace) {
const ports = SERVER_PORTS[protocol];
if (ports === undefined) {
return null;
}
const port = ports[addressSpace];
if (port === undefined) {
return null;
}
return {
addressSpace,
name: `${protocol}-${addressSpace}`,
port,
protocol: protocol + ':',
};
}
static HTTP_LOCAL = Server.get("http", "local");
static HTTP_PRIVATE = Server.get("http", "private");
static HTTP_PUBLIC = Server.get("http", "public");
static HTTPS_LOCAL = Server.get("https", "local");
static OTHER_HTTPS_LOCAL = Server.get("https", "other-local");
static HTTPS_PRIVATE = Server.get("https", "private");
static HTTPS_PUBLIC = Server.get("https", "public");
static WS_LOCAL = Server.get("ws", "local");
static WSS_LOCAL = Server.get("wss", "local");
};
// Resolves a URL relative to the current location, returning an absolute URL.
//
// `url` specifies the relative URL, e.g. "foo.html" or "http://foo.example".
// `options`, if defined, should have the following shape:
//
// {
// // Optional. Overrides the protocol of the returned URL.
// protocol,
//
// // Optional. Overrides the port of the returned URL.
// port,
//
// // Extra headers.
// headers,
//
// // Extra search params.
// searchParams,
// }
//
function resolveUrl(url, options) {
const result = new URL(url, window.location);
if (options === undefined) {
return result;
}
const { port, protocol, headers, searchParams } = options;
if (port !== undefined) {
result.port = port;
}
if (protocol !== undefined) {
result.protocol = protocol;
}
if (headers !== undefined) {
const pipes = [];
for (key in headers) {
pipes.push(`header(${key},${headers[key]})`);
}
result.searchParams.append("pipe", pipes.join("|"));
}
if (searchParams !== undefined) {
for (key in searchParams) {
result.searchParams.append(key, searchParams[key]);
}
}
return result;
}
// Computes options to pass to `resolveUrl()` for a source document's URL.
//
// `server` identifies the server from which to load the document.
// `treatAsPublic`, if set to true, specifies that the source document should
// be artificially placed in the `public` address space using CSP.
function sourceResolveOptions({ server, treatAsPublic }) {
const options = {...server};
if (treatAsPublic) {
options.headers = { "Content-Security-Policy": "treat-as-public-address" };
}
return options;
}
// Computes the URL of a target handler configured with the given options.
//
// `server` identifies the server from which to load the resource.
// `behavior` specifies the behavior of the target server. It may contain:
// - `response`: The result of calling one of `ResponseBehavior`'s methods.
// - `redirect`: A URL to which the target should redirect GET requests.
function resolveTargetUrl({ server, behavior }) {
if (server === undefined) {
throw new Error("no server specified.");
}
const options = {...server};
if (behavior) {
const { response, redirect } = behavior;
options.searchParams = {
...response,
};
if (redirect !== undefined) {
options.searchParams.redirect = redirect;
}
}
return resolveUrl("target.py", options);
}
// Methods generate behavior specifications for how `resources/target.py`
// should behave upon receiving a regular (non-preflight) request.
const ResponseBehavior = {
// The response should succeed without CORS headers.
default: () => ({}),
// The response should succeed with CORS headers.
allowCrossOrigin: () => ({ "final-headers": "cors" }),
};
const FetchTestResult = {
SUCCESS: {
ok: true,
body: "success",
},
OPAQUE: {
ok: false,
type: "opaque",
body: "",
},
FAILURE: {
error: "TypeError: Failed to fetch",
},
};
// Helper function for checking results from fetch tests.
function checkTestResult(actual, expected) {
assert_equals(actual.error, expected.error, "error mismatch");
assert_equals(actual.ok, expected.ok, "response ok mismatch");
assert_equals(actual.body, expected.body, "response body mismatch");
if (expected.type !== undefined) {
assert_equals(type, expected.type, "response type mismatch");
}
}
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