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test: fix some flakes that might relate to #5104. #5172

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test: fix some flakes that might relate to #5104. #5172

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15 changes: 15 additions & 0 deletions test/integration/http_integration.cc
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Original file line number Diff line number Diff line change
Expand Up @@ -347,6 +347,7 @@ void HttpIntegrationTest::testRouterHeaderOnlyRequestAndResponse(
// The following allows us to test shutting down the server with active connection pool
// connections.
if (!close_upstream) {
fake_upstreams_[0]->set_allow_unexpected_disconnects(true);
test_server_.reset();
}

Expand Down Expand Up @@ -1418,7 +1419,17 @@ void HttpIntegrationTest::testIdleTimeoutWithTwoRequests() {
test_server_->waitForCounterGe("cluster.cluster_0.upstream_cx_idle_timeout", 1);
}

// This is a regression for https://github.com/envoyproxy/envoy/issues/2715 and validates that a
// pending request is not sent on a connection that has been half-closed.
void HttpIntegrationTest::testUpstreamDisconnectWithTwoRequests() {
config_helper_.addConfigModifier([](envoy::config::bootstrap::v2::Bootstrap& bootstrap) {
auto* static_resources = bootstrap.mutable_static_resources();
auto* cluster = static_resources->mutable_clusters(0);
// Ensure we only have one connection upstream, one request active at a time.
cluster->mutable_max_requests_per_connection()->set_value(1);
auto* circuit_breakers = cluster->mutable_circuit_breakers();
circuit_breakers->add_thresholds()->mutable_max_connections()->set_value(1);
});
initialize();
fake_upstreams_[0]->set_allow_unexpected_disconnects(true);

Expand All @@ -1432,6 +1443,10 @@ void HttpIntegrationTest::testUpstreamDisconnectWithTwoRequests() {
IntegrationCodecClientPtr codec_client2 = makeHttpConnection(lookupPort("http"));
auto response2 = codec_client2->makeRequestWithBody(default_request_headers_, 512);

// Validate one request active, the other pending.
test_server_->waitForGaugeEq("cluster.cluster_0.upstream_rq_active", 1);
test_server_->waitForGaugeEq("cluster.cluster_0.upstream_rq_pending_active", 1);

// Response 1.
upstream_request_->encodeHeaders(default_response_headers_, false);
upstream_request_->encodeData(512, true);
Expand Down