Function patch_request_invalidates_cache

http-cache-reqwest/src/test.rs:1049–1099

()

                .insert_header("content-type", "text/plain")
                .insert_header("etag", "\"12345\"")
                .set_body_bytes(TEST_BODY),
        )
        .expect(1);

    // Mock HEAD request - should return same headers but no body
    let m_head = Mock::given(method("HEAD"))
        .respond_with(
            ResponseTemplate::new(200)
                .insert_header("cache-control", CACHEABLE_PUBLIC)
                .insert_header("content-type", "text/plain")
                .insert_header("etag", "\"12345\"")
                .insert_header("content-length", "4"),
        )
        .expect(1);

    let mock_guard_get = mock_server.register_as_scoped(m_get).await;
    let url = format!("{}/", mock_server.uri());
    let manager = create_cache_manager();

    let client = ClientBuilder::new(Client::new())
        .with(Cache(HttpCache {
            mode: CacheMode::Default,
            manager: manager.clone(),
            options: Default::default(),
        }))
        .build();

    // First, cache a GET response
    let get_res = client.get(url.clone()).send().await?;
    assert_eq!(get_res.status(), 200);
    assert_eq!(get_res.bytes().await?, TEST_BODY);

    drop(mock_guard_get);
    let _mock_guard_head = mock_server.register_as_scoped(m_head).await;

    // HEAD request should be able to use cached GET response metadata
    // but still make a HEAD request to verify headers
    let head_res = client.head(url.clone()).send().await?;
    assert_eq!(head_res.status(), 200);
    assert_eq!(head_res.headers().get("etag").unwrap(), "\"12345\"");

    // Verify both GET and HEAD cache entries exist
    let get_data =
        CacheManager::get(&manager, &format!("GET:{}", url_parse(&url)?))
            .await?;
    assert!(get_data.is_some());

    let head_data =
        CacheManager::get(&manager, &format!("HEAD:{}", url_parse(&url)?))
            .await?;
    assert!(head_data.is_some());

    Ok(())
}