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utility_test.cc
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utility_test.cc
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#include <string>
#include "external/envoy/source/common/network/dns_resolver/dns_factory_util.h"
#include "external/envoy/source/common/network/utility.h"
#include "external/envoy/source/common/stats/isolated_store_impl.h"
#include "external/envoy/test/test_common/utility.h"
#include "source/common/uri_impl.h"
#include "source/common/utility.h"
#include "test/test_common/environment.h"
#include "gtest/gtest.h"
using namespace testing;
namespace Nighthawk {
class UtilityTest : public Test {
public:
UtilityTest() = default;
void checkUriParsing(absl::string_view uri_to_test, absl::string_view hostAndPort,
absl::string_view hostWithoutPort, const uint64_t port,
absl::string_view scheme, absl::string_view path,
absl::string_view uri_default_protocol = "") {
const UriImpl uri = uri_default_protocol == "" ? UriImpl(uri_to_test)
: UriImpl(uri_to_test, uri_default_protocol);
EXPECT_EQ(hostAndPort, uri.hostAndPort());
EXPECT_EQ(hostWithoutPort, uri.hostWithoutPort());
EXPECT_EQ(port, uri.port());
EXPECT_EQ(scheme, uri.scheme());
EXPECT_EQ(path, uri.path());
}
};
TEST_F(UtilityTest, PerfectlyFineUrl) {
checkUriParsing("http://a/b", "a:80", "a", 80, "http", "/b");
}
TEST_F(UtilityTest, Defaults) {
checkUriParsing("a", "a:80", "a", 80, "http", "/");
checkUriParsing("a/", "a:80", "a", 80, "http", "/");
checkUriParsing("https://a", "a:443", "a", 443, "https", "/");
checkUriParsing("grpc://a", "a:8443", "a", 8443, "grpc", "/");
checkUriParsing("a", "a:8443", "a", 8443, "grpc", "/", "grpc");
}
TEST_F(UtilityTest, SchemeIsLowerCased) {
const UriImpl uri = UriImpl("HTTP://a");
EXPECT_EQ("http", uri.scheme());
}
TEST_F(UtilityTest, ExplicitPort) {
const UriImpl u1 = UriImpl("HTTP://a:111");
EXPECT_EQ(111, u1.port());
EXPECT_THROW(UriImpl("HTTP://a:-111"), UriException);
EXPECT_THROW(UriImpl("HTTP://a:0"), UriException);
}
TEST_F(UtilityTest, SchemeWeDontUnderstand) { EXPECT_THROW(UriImpl("foo://a"), UriException); }
TEST_F(UtilityTest, Empty) { EXPECT_THROW(UriImpl(""), UriException); }
TEST_F(UtilityTest, HostStartsWithMinus) { EXPECT_THROW(UriImpl("http://-a"), UriException); }
TEST_F(UtilityTest, Ipv6Address) {
const UriImpl u = UriImpl("http://[::1]:81/bar");
EXPECT_EQ("[::1]", u.hostWithoutPort());
EXPECT_EQ("[::1]:81", u.hostAndPort());
EXPECT_EQ(81, u.port());
const UriImpl u2 = UriImpl("http://[::1]/bar");
EXPECT_EQ("[::1]", u2.hostWithoutPort());
EXPECT_EQ("[::1]:80", u2.hostAndPort());
EXPECT_EQ(80, u2.port());
}
TEST_F(UtilityTest, FindPortSeparator) {
EXPECT_EQ(absl::string_view::npos, Utility::findPortSeparator("127.0.0.1"));
EXPECT_EQ(5, Utility::findPortSeparator("[::1]:80"));
EXPECT_EQ(absl::string_view::npos, Utility::findPortSeparator("[::1]"));
EXPECT_EQ(9, Utility::findPortSeparator("127.0.0.1:80"));
EXPECT_EQ(absl::string_view::npos, Utility::findPortSeparator("127.0.0.1"));
EXPECT_EQ(absl::string_view::npos, Utility::findPortSeparator("foo.com"));
EXPECT_EQ(7, Utility::findPortSeparator("foo.com:80"));
EXPECT_EQ(8, Utility::findPortSeparator("8foo.com:80"));
}
class UtilityAddressResolutionTest : public TestWithParam<Envoy::Network::Address::IpVersion> {
public:
Envoy::Network::Address::InstanceConstSharedPtr
testResolution(absl::string_view uri, Envoy::Network::DnsLookupFamily address_family) {
Envoy::Api::ApiPtr api = Envoy::Api::createApiForTest();
auto dispatcher = api->allocateDispatcher("uri_resolution_thread");
envoy::config::core::v3::TypedExtensionConfig typed_dns_resolver_config;
Envoy::Network::DnsResolverFactory& dns_resolver_factory =
Envoy::Network::createDefaultDnsResolverFactory(typed_dns_resolver_config);
absl::StatusOr<Envoy::Network::DnsResolverSharedPtr> dns_resolver =
dns_resolver_factory.createDnsResolver(*dispatcher, *api, typed_dns_resolver_config);
if (!dns_resolver.ok()) {
throw Envoy::EnvoyException(
absl::StrCat("DNS resolution failed: ", dns_resolver.status().message()));
}
auto u = UriImpl(uri);
return u.resolve(*dispatcher, *dns_resolver.value(), address_family);
}
};
INSTANTIATE_TEST_SUITE_P(IpVersions, UtilityAddressResolutionTest,
ValuesIn(TestEnvironment::getIpVersionsForTest()),
Envoy::TestUtility::ipTestParamsToString);
TEST_P(UtilityAddressResolutionTest, AddressResolution) {
if (GetParam() == Envoy::Network::Address::IpVersion::v4) {
Envoy::Network::DnsLookupFamily address_family = Envoy::Network::DnsLookupFamily::V4Only;
EXPECT_EQ("127.0.0.1:80", testResolution("127.0.0.1", address_family)->asString());
EXPECT_EQ("127.0.0.1:81", testResolution("127.0.0.1:81", address_family)->asString());
EXPECT_EQ("127.0.0.1:80", testResolution("localhost", address_family)->asString());
EXPECT_EQ("127.0.0.1:81", testResolution("localhost:81", address_family)->asString());
EXPECT_THROW(testResolution("[::1]", address_family), UriException);
EXPECT_THROW(testResolution("::1:81", address_family), UriException);
} else {
Envoy::Network::DnsLookupFamily address_family = Envoy::Network::DnsLookupFamily::V6Only;
EXPECT_EQ("[::1]:80", testResolution("localhost", address_family)->asString());
EXPECT_EQ("[::1]:81", testResolution("localhost:81", address_family)->asString());
EXPECT_EQ("[::1]:80", testResolution("[::1]", address_family)->asString());
EXPECT_EQ("[::1]:81", testResolution("::1:81", address_family)->asString());
EXPECT_THROW(testResolution("127.0.0.1", address_family), UriException);
EXPECT_THROW(testResolution("127.0.0.1:80", address_family), UriException);
}
}
TEST_P(UtilityAddressResolutionTest, AddressResolutionBadAddresses) {
Envoy::Network::DnsLookupFamily address_family = Envoy::Network::DnsLookupFamily::Auto;
EXPECT_THROW(testResolution("bad#host", address_family), UriException);
EXPECT_THROW(testResolution("-foo.com", address_family), UriException);
EXPECT_THROW(testResolution("[foo.com", address_family), UriException);
EXPECT_THROW(testResolution("foo]", address_family), UriException);
EXPECT_THROW(testResolution(".", address_family), UriException);
EXPECT_THROW(testResolution("..", address_family), UriException);
EXPECT_THROW(testResolution("a..b", address_family), UriException);
}
TEST_P(UtilityAddressResolutionTest, ResolveTwiceReturnsCached) {
Envoy::Network::DnsLookupFamily address_family =
GetParam() == Envoy::Network::Address::IpVersion::v6
? Envoy::Network::DnsLookupFamily::V6Only
: Envoy::Network::DnsLookupFamily::V4Only;
Envoy::Api::ApiPtr api = Envoy::Api::createApiForTest();
auto dispatcher = api->allocateDispatcher("test_thread");
envoy::config::core::v3::TypedExtensionConfig typed_dns_resolver_config;
Envoy::Network::DnsResolverFactory& dns_resolver_factory =
Envoy::Network::createDefaultDnsResolverFactory(typed_dns_resolver_config);
absl::StatusOr<Envoy::Network::DnsResolverSharedPtr> dns_resolver =
dns_resolver_factory.createDnsResolver(*dispatcher, *api, typed_dns_resolver_config);
ASSERT_TRUE(dns_resolver.ok());
auto u = UriImpl("localhost");
EXPECT_EQ(u.resolve(*dispatcher, *dns_resolver.value(), address_family).get(),
u.resolve(*dispatcher, *dns_resolver.value(), address_family).get());
}
TEST_F(UtilityTest, TranslateAddressFamilyGoodValues) {
EXPECT_EQ(Envoy::Network::DnsLookupFamily::V6Only,
Utility::translateFamilyOptionString(
nighthawk::client::AddressFamily_AddressFamilyOptions_V6));
EXPECT_EQ(Envoy::Network::DnsLookupFamily::V4Only,
Utility::translateFamilyOptionString(
nighthawk::client::AddressFamily_AddressFamilyOptions_V4));
EXPECT_EQ(Envoy::Network::DnsLookupFamily::Auto,
Utility::translateFamilyOptionString(
nighthawk::client::AddressFamily_AddressFamilyOptions_AUTO));
}
TEST_F(UtilityTest, MapCountersFromStore) {
Envoy::Stats::IsolatedStoreImpl store;
store.counterFromString("foo").inc();
store.counterFromString("worker.2.bar").inc();
store.counterFromString("worker.1.bar").inc();
uint64_t filter_delegate_hit_count = 0;
const auto& counters = Utility().mapCountersFromStore(
store, [&filter_delegate_hit_count](absl::string_view name, uint64_t value) {
filter_delegate_hit_count++;
return value == 1 && (name == "worker.2.bar" || name == "worker.1.bar");
});
EXPECT_EQ(filter_delegate_hit_count, 3);
ASSERT_EQ(counters.size(), 1);
EXPECT_EQ(counters.begin()->second, 2);
}
TEST_F(UtilityTest, MultipleSemicolons) {
EXPECT_THROW(UriImpl("HTTP://HTTP://a:111"), UriException);
}
} // namespace Nighthawk