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Use dynamicMetadata to construct metadataMatchCriteria() #3254

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merged 9 commits into from
May 4, 2018
Merged

Use dynamicMetadata to construct metadataMatchCriteria() #3254

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bde0c9c
Use dynamicMetadata to construct metadataMatchCriteria()
Apr 30, 2018
1747131
Fix formatting issues
Apr 30, 2018
be4fe35
Fix more tests
Apr 30, 2018
f1f12e0
Add a test for overriding metadata matcha via dynamic metadata
Apr 30, 2018
b261a23
Handle route_entry_->metadataMatchCriteria() == nullptr
May 1, 2018
663c922
Fix formatting
May 1, 2018
b24da82
Improve method docs.
May 3, 2018
d29a4a5
Return the cached result of metadataMatchCriteria()
May 3, 2018
8b7bb04
More tests
May 3, 2018
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Add a test for overriding metadata matcha via dynamic metadata 
Signed-off-by: Raul Gutierrez Segales <[email protected]>
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Raul Gutierrez Segales committed Apr 30, 2018
commit f1f12e0e1b1bff6aa5c58b32531b9beaeb0544c8
43 changes: 43 additions & 0 deletions test/common/router/router_test.cc
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Original file line number Diff line number Diff line change
Expand Up @@ -4,7 +4,10 @@

#include "common/buffer/buffer_impl.h"
#include "common/common/empty_string.h"
#include "common/config/metadata.h"
#include "common/config/well_known_names.h"
#include "common/network/utility.h"
#include "common/router/config_impl.h"
#include "common/router/router.h"
#include "common/tracing/http_tracer_impl.h"
#include "common/upstream/upstream_impl.h"
Expand Down Expand Up @@ -491,6 +494,46 @@ TEST_F(RouterTest, MetadataMatchCriteria) {
router_.onDestroy();
}

TEST_F(RouterTest, MetadataMatchCriteriaFromRequest) {
envoy::api::v2::core::Metadata metadata;
ProtobufWkt::Struct request_struct, route_struct;
ProtobufWkt::Value val;
MetadataMatchCriteriaImpl route_entry_matches(route_struct);

// populate metadata like RequestInfo.setDynamicMetadata() would
val.set_string_value("v3.1");
auto& fields_map = *request_struct.mutable_fields();
fields_map["version"] = val;
(*metadata.mutable_filter_metadata())[Envoy::Config::MetadataFilters::get().ENVOY_LB] =
request_struct;

EXPECT_CALL(callbacks_.request_info_, dynamicMetadata()).WillRepeatedly(ReturnRef(metadata));
ON_CALL(callbacks_.route_->route_entry_, metadataMatchCriteria())
.WillByDefault(Return(&route_entry_matches));

EXPECT_CALL(cm_, httpConnPoolForCluster(_, _, _, _))
.WillOnce(
Invoke([&](const std::string&, Upstream::ResourcePriority, Http::Protocol,
Upstream::LoadBalancerContext* context) -> Http::ConnectionPool::Instance* {
auto match = context->metadataMatchCriteria()->metadataMatchCriteria();
EXPECT_EQ(match.size(), 1);
auto it = match.begin();
EXPECT_EQ((*it)->name(), "version");
EXPECT_EQ((*it)->value().value().string_value(), "v3.1");
return &cm_.conn_pool_;
}));
EXPECT_CALL(cm_.conn_pool_, newStream(_, _)).WillOnce(Return(&cancellable_));
expectResponseTimerCreate();

Http::TestHeaderMapImpl headers;
HttpTestUtility::addDefaultHeaders(headers);
router_.decodeHeaders(headers, true);

// When the router filter gets reset we should cancel the pool request.
EXPECT_CALL(cancellable_, cancel());
router_.onDestroy();
}

TEST_F(RouterTest, NoMetadataMatchCriteria) {
envoy::api::v2::core::Metadata metadata;

Expand Down