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#![cfg(test)]
use tokio::sync::Mutex as TokioMutex;
use turbo_rcstr::{RcStr, rcstr};
use turbo_tasks::Vc;
use turbo_tasks_fetch::{
__test_only_reqwest_client_cache_clear, __test_only_reqwest_client_cache_len, FetchClient,
FetchErrorKind,
};
use turbo_tasks_fs::{DiskFileSystem, FileSystem, FileSystemPath};
use turbo_tasks_testing::{Registration, register, run};
use turbopack_core::issue::{Issue, IssueSeverity, StyledString};
static REGISTRATION: Registration = register!(turbo_tasks_fetch::register);
/// We inspect information about the global client cache, so *every* test in this process *must*
/// acquire and hold this lock to prevent potential flakiness.
static GLOBAL_TEST_LOCK: TokioMutex<()> = TokioMutex::const_new(());
#[tokio::test]
async fn basic_get() {
let _guard = GLOBAL_TEST_LOCK.lock().await;
run(®ISTRATION, || async {
let mut server = mockito::Server::new_async().await;
let resource_mock = server
.mock("GET", "/foo.woff")
.with_body("responsebody")
.create_async()
.await;
let client_vc = FetchClient::default().cell();
let response = &*client_vc
.fetch(
RcStr::from(format!("{}/foo.woff", server.url())),
/* user_agent */ None,
)
.await?
.unwrap()
.await?;
resource_mock.assert_async().await;
assert_eq!(response.status, 200);
assert_eq!(*response.body.to_string().await?, "responsebody");
anyhow::Ok(())
})
.await
.unwrap()
}
#[tokio::test]
async fn sends_user_agent() {
let _guard = GLOBAL_TEST_LOCK.lock().await;
run(®ISTRATION, || async {
let mut server = mockito::Server::new_async().await;
let resource_mock = server
.mock("GET", "/foo.woff")
.match_header("User-Agent", "mock-user-agent")
.with_body("responsebody")
.create_async()
.await;
eprintln!("{}", server.url());
let client_vc = FetchClient::default().cell();
let response = &*client_vc
.fetch(
RcStr::from(format!("{}/foo.woff", server.url())),
Some(rcstr!("mock-user-agent")),
)
.await?
.unwrap()
.await?;
resource_mock.assert_async().await;
assert_eq!(response.status, 200);
assert_eq!(*response.body.to_string().await?, "responsebody");
anyhow::Ok(())
})
.await
.unwrap()
}
// This is temporary behavior.
// TODO: Implement invalidation that respects Cache-Control headers.
#[tokio::test]
async fn invalidation_does_not_invalidate() {
let _guard = GLOBAL_TEST_LOCK.lock().await;
run(®ISTRATION, || async {
let mut server = mockito::Server::new_async().await;
let resource_mock = server
.mock("GET", "/foo.woff")
.with_body("responsebody")
.with_header("Cache-Control", "no-store")
.create_async()
.await;
let url = RcStr::from(format!("{}/foo.woff", server.url()));
let client_vc = FetchClient::default().cell();
let response = &*client_vc
.fetch(url.clone(), /* user_agent */ None)
.await?
.unwrap()
.await?;
resource_mock.assert_async().await;
assert_eq!(response.status, 200);
assert_eq!(*response.body.to_string().await?, "responsebody");
let second_response = &*client_vc
.fetch(url.clone(), /* user_agent */ None)
.await?
.unwrap()
.await?;
// Assert that a second request is never sent -- the result is cached via turbo tasks
resource_mock.expect(1).assert_async().await;
assert_eq!(response, second_response);
anyhow::Ok(())
})
.await
.unwrap()
}
fn get_issue_context() -> Vc<FileSystemPath> {
DiskFileSystem::new(rcstr!("root"), rcstr!("/"), vec![]).root()
}
#[tokio::test]
async fn errors_on_failed_connection() {
let _guard = GLOBAL_TEST_LOCK.lock().await;
run(®ISTRATION, || async {
// Try to connect to port 0 on localhost, which is never valid and immediately returns
// `ECONNREFUSED`.
// Other values (e.g. domain name, reserved IP address block) may result in long timeouts.
let url = rcstr!("http://127.0.0.1:0/foo.woff");
let client_vc = FetchClient::default().cell();
let response_vc = client_vc.fetch(url.clone(), None);
let err_vc = &*response_vc.await?.unwrap_err();
let err = err_vc.await?;
assert_eq!(*err.kind.await?, FetchErrorKind::Connect);
assert_eq!(*err.url.await?, url);
let issue = err_vc.to_issue(IssueSeverity::Error, get_issue_context().owned().await?);
assert_eq!(issue.await?.severity(), IssueSeverity::Error);
assert_eq!(
*issue.description().await?.unwrap().await?,
StyledString::Text(rcstr!(
"There was an issue establishing a connection while requesting \
http://127.0.0.1:0/foo.woff."
))
);
anyhow::Ok(())
})
.await
.unwrap()
}
#[tokio::test]
async fn errors_on_404() {
let _guard = GLOBAL_TEST_LOCK.lock().await;
run(®ISTRATION, || async {
let mut server = mockito::Server::new_async().await;
let resource_mock = server
.mock("GET", "/")
.with_status(404)
.create_async()
.await;
let url = RcStr::from(server.url());
let client_vc = FetchClient::default().cell();
let response_vc = client_vc.fetch(url.clone(), None);
let err_vc = &*response_vc.await?.unwrap_err();
let err = err_vc.await?;
resource_mock.assert_async().await;
assert!(matches!(*err.kind.await?, FetchErrorKind::Status(404)));
assert_eq!(*err.url.await?, url);
let issue = err_vc.to_issue(IssueSeverity::Error, get_issue_context().owned().await?);
assert_eq!(issue.await?.severity(), IssueSeverity::Error);
assert_eq!(
*issue.description().await?.unwrap().await?,
StyledString::Text(RcStr::from(format!(
"Received response with status 404 when requesting {url}"
)))
);
anyhow::Ok(())
})
.await
.unwrap()
}
#[tokio::test]
async fn client_cache() {
// a simple fetch that should always succeed
async fn simple_fetch(path: &str, client: FetchClient) -> anyhow::Result<()> {
let mut server = mockito::Server::new_async().await;
let _resource_mock = server
.mock("GET", &*format!("/{path}"))
.with_body("responsebody")
.create_async()
.await;
let url = RcStr::from(format!("{}/{}", server.url(), path));
let response = match &*client
.cell()
.fetch(url.clone(), /* user_agent */ None)
.await?
{
Ok(resp) => resp.await?,
Err(_err) => {
anyhow::bail!("fetch error")
}
};
if response.status != 200 {
anyhow::bail!("non-200 status code")
}
anyhow::Ok(())
}
let _guard = GLOBAL_TEST_LOCK.lock().await;
run(®ISTRATION, || async {
__test_only_reqwest_client_cache_clear();
assert_eq!(__test_only_reqwest_client_cache_len(), 0);
simple_fetch(
"/foo",
FetchClient {
tls_built_in_native_certs: false,
..Default::default()
},
)
.await
.unwrap();
assert_eq!(__test_only_reqwest_client_cache_len(), 1);
// the client is reused if the config is the same (by equality)
simple_fetch(
"/bar",
FetchClient {
tls_built_in_native_certs: false,
..Default::default()
},
)
.await
.unwrap();
assert_eq!(__test_only_reqwest_client_cache_len(), 1);
// the client is recreated if the config is different
simple_fetch(
"/bar",
FetchClient {
tls_built_in_native_certs: true,
..Default::default()
},
)
.await
.unwrap();
assert_eq!(__test_only_reqwest_client_cache_len(), 2);
Ok(())
})
.await
.unwrap()
}
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