111 lines
4.1 KiB
C++
111 lines
4.1 KiB
C++
#include "storage.hpp"
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#include <mbgl/storage/default_file_source.hpp>
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#include <mbgl/storage/network_status.hpp>
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#include <mbgl/util/chrono.hpp>
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#include <mbgl/util/run_loop.hpp>
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#include <mbgl/util/timer.hpp>
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// Test for https://github.com/mapbox/mapbox-gl-native/issues/2123
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//
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// A request is made. While the request is in progress, the network status changes. This should
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// trigger an immediate retry of all requests that are not in progress. This test makes sure that
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// we don't accidentally double-trigger the request.
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TEST_F(Storage, HTTPNetworkStatusChange) {
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SCOPED_TEST(HTTPNetworkStatusChange)
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using namespace mbgl;
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util::RunLoop loop;
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DefaultFileSource fs(nullptr);
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const Resource resource { Resource::Unknown, "http://127.0.0.1:3000/delayed" };
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// This request takes 200 milliseconds to answer.
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std::unique_ptr<FileRequest> req = fs.request(resource, [&](Response res) {
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req.reset();
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EXPECT_EQ(nullptr, res.error);
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EXPECT_EQ(false, res.stale);
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ASSERT_TRUE(res.data.get());
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EXPECT_EQ("Response", *res.data);
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EXPECT_EQ(Seconds::zero(), res.expires);
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EXPECT_EQ(Seconds::zero(), res.modified);
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EXPECT_EQ("", res.etag);
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loop.stop();
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HTTPNetworkStatusChange.finish();
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});
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// After 50 milliseconds, we're going to trigger a NetworkStatus change.
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util::Timer reachableTimer;
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reachableTimer.start(std::chrono::milliseconds(50), Duration::zero(), [] () {
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mbgl::NetworkStatus::Reachable();
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});
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// This timer will keep the loop alive to make sure we would be getting a response in caes the
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// network status change triggered another change (which it shouldn't).
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util::Timer delayTimer;
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delayTimer.start(std::chrono::milliseconds(300), Duration::zero(), [] () {});
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loop.run();
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}
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// Tests that a change in network status preempts requests that failed due to connection or
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// reachability issues.
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TEST_F(Storage, HTTPNetworkStatusChangePreempt) {
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SCOPED_TEST(HTTPNetworkStatusChangePreempt)
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using namespace mbgl;
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util::RunLoop loop;
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DefaultFileSource fs(nullptr);
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const auto start = Clock::now();
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const Resource resource{ Resource::Unknown, "http://127.0.0.1:3001/test" };
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std::unique_ptr<FileRequest> req = fs.request(resource, [&](Response res) {
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static int counter = 0;
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const auto duration = std::chrono::duration<const double>(Clock::now() - start).count();
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if (counter == 0) {
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EXPECT_GT(0.2, duration) << "Response came in too late";
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} else if (counter == 1) {
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EXPECT_LT(0.39, duration) << "Preempted retry triggered too early";
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EXPECT_GT(0.6, duration) << "Preempted retry triggered too late";
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} else if (counter > 1) {
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FAIL() << "Retried too often";
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}
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ASSERT_NE(nullptr, res.error);
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EXPECT_EQ(Response::Error::Reason::Connection, res.error->reason);
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#ifdef MBGL_HTTP_NSURL
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EXPECT_TRUE(res.error->message ==
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"The operation couldn’t be completed. (NSURLErrorDomain error -1004.)" ||
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res.error->message == "Could not connect to the server.")
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<< "Full message is: \"" << res.error->message << "\"";
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#elif MBGL_HTTP_CURL
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const std::string prefix { "Couldn't connect to server: " };
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EXPECT_STREQ(prefix.c_str(), res.error->message.substr(0, prefix.size()).c_str()) << "Full message is: \"" << res.error->message << "\"";
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#else
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FAIL();
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#endif
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EXPECT_EQ(false, res.stale);
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ASSERT_FALSE(res.data.get());
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EXPECT_EQ(Seconds::zero(), res.expires);
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EXPECT_EQ(Seconds::zero(), res.modified);
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EXPECT_EQ("", res.etag);
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if (counter++ == 1) {
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req.reset();
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loop.stop();
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HTTPNetworkStatusChangePreempt.finish();
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}
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});
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// After 400 milliseconds, we're going to trigger a NetworkStatus change.
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util::Timer reachableTimer;
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reachableTimer.start(std::chrono::milliseconds(400), Duration::zero(), [] () {
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mbgl::NetworkStatus::Reachable();
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});
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loop.run();
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}
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