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[core] add support for stale responses

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We're now returning stale responses from cache. Those responses will have the `stale` flag set to true. Currently, all requesters in the core code discard stale responses, and cancel the request immediately after they got a non-stale response.
This commit is contained in:
Konstantin Käfer
2015-10-15 21:30:21 +02:00
parent 096a3edf39
commit 6a7334b882
23 changed files with 365 additions and 45 deletions
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28
test/storage/cache_response.cpp
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@@ -14,27 +14,35 @@ TEST_F(Storage, CacheResponse) {
DefaultFileSource fs(&cache);
const Resource resource { Resource::Unknown, "http://127.0.0.1:3000/cache" };
Response response;
Request* req = fs.request(resource, uv_default_loop(), [&](const Response &res) {
fs.cancel(req);
EXPECT_EQ(Response::Successful, res.status);
EXPECT_EQ(false, res.stale);
EXPECT_EQ("Response 1", res.data);
EXPECT_LT(0, res.expires);
EXPECT_EQ(0, res.modified);
EXPECT_EQ("", res.etag);
EXPECT_EQ("", res.message);
response = res;
});
req = fs.request(resource, uv_default_loop(), [&, res](const Response &res2) {
fs.cancel(req);
EXPECT_EQ(res.status, res2.status);
EXPECT_EQ(res.data, res2.data);
EXPECT_EQ(res.expires, res2.expires);
EXPECT_EQ(res.modified, res2.modified);
EXPECT_EQ(res.etag, res2.etag);
EXPECT_EQ(res.message, res2.message);
uv_run(uv_default_loop(), UV_RUN_DEFAULT);
CacheResponse.finish();
});
// Now test that we get the same values as in the previous request. If we'd go to the server
// again, we'd get different values.
req = fs.request(resource, uv_default_loop(), [&](const Response &res) {
fs.cancel(req);
EXPECT_EQ(response.status, res.status);
EXPECT_EQ(response.stale, res.stale);
EXPECT_EQ(response.data, res.data);
EXPECT_EQ(response.expires, res.expires);
EXPECT_EQ(response.modified, res.modified);
EXPECT_EQ(response.etag, res.etag);
EXPECT_EQ(response.message, res.message);
CacheResponse.finish();
});
uv_run(uv_default_loop(), UV_RUN_DEFAULT);