rafael-telles commented on a change in pull request #11989: URL: https://github.com/apache/arrow/pull/11989#discussion_r773379954
########## File path: cpp/src/arrow/flight/integration_tests/test_integration.cc ########## @@ -0,0 +1,685 @@ +// Licensed to the Apache Software Foundation (ASF) under one +// or more contributor license agreements. See the NOTICE file +// distributed with this work for additional information +// regarding copyright ownership. The ASF licenses this file +// to you under the Apache License, Version 2.0 (the +// "License"); you may not use this file except in compliance +// with the License. You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, +// software distributed under the License is distributed on an +// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY +// KIND, either express or implied. See the License for the +// specific language governing permissions and limitations +// under the License. + +#include "arrow/flight/integration_tests/test_integration.h" +#include "arrow/flight/client_middleware.h" +#include "arrow/flight/server_middleware.h" +#include "arrow/flight/sql/client.h" +#include "arrow/flight/sql/server.h" +#include "arrow/flight/test_util.h" +#include "arrow/flight/types.h" +#include "arrow/ipc/dictionary.h" + +#include <arrow/testing/gtest_util.h> +#include <arrow/testing/json_integration.h> +#include <iostream> +#include <memory> +#include <string> +#include <utility> +#include <vector> + +namespace arrow { +namespace flight { +namespace integration_tests { + +/// \brief The server for the basic auth integration test. +class AuthBasicProtoServer : public FlightServerBase { + Status DoAction(const ServerCallContext& context, const Action& action, + std::unique_ptr<ResultStream>* result) override { + // Respond with the authenticated username. + auto buf = Buffer::FromString(context.peer_identity()); + *result = std::unique_ptr<ResultStream>(new SimpleResultStream({Result{buf}})); + return Status::OK(); + } +}; + +/// Validate the result of a DoAction. +Status CheckActionResults(FlightClient* client, const Action& action, + std::vector<std::string> results) { + std::unique_ptr<ResultStream> stream; + RETURN_NOT_OK(client->DoAction(action, &stream)); + std::unique_ptr<Result> result; + for (const std::string& expected : results) { + RETURN_NOT_OK(stream->Next(&result)); + if (!result) { + return Status::Invalid("Action result stream ended early"); + } + const auto actual = result->body->ToString(); + if (expected != actual) { + return Status::Invalid("Got wrong result; expected", expected, "but got", actual); + } + } + RETURN_NOT_OK(stream->Next(&result)); + if (result) { + return Status::Invalid("Action result stream had too many entries"); + } + return Status::OK(); +} + +// The expected username for the basic auth integration test. +constexpr auto kAuthUsername = "arrow"; +// The expected password for the basic auth integration test. +constexpr auto kAuthPassword = "flight"; + +/// \brief A scenario testing the basic auth protobuf. +class AuthBasicProtoScenario : public Scenario { + Status MakeServer(std::unique_ptr<FlightServerBase>* server, + FlightServerOptions* options) override { + server->reset(new AuthBasicProtoServer()); + options->auth_handler = + std::make_shared<TestServerBasicAuthHandler>(kAuthUsername, kAuthPassword); + return Status::OK(); + } + + Status MakeClient(FlightClientOptions* options) override { return Status::OK(); } + + Status RunClient(std::unique_ptr<FlightClient> client) override { + Action action; + std::unique_ptr<ResultStream> stream; + std::shared_ptr<FlightStatusDetail> detail; + const auto& status = client->DoAction(action, &stream); + detail = FlightStatusDetail::UnwrapStatus(status); + // This client is unauthenticated and should fail. + if (detail == nullptr) { + return Status::Invalid("Expected UNAUTHENTICATED but got ", status.ToString()); + } + if (detail->code() != FlightStatusCode::Unauthenticated) { + return Status::Invalid("Expected UNAUTHENTICATED but got ", detail->ToString()); + } + + auto client_handler = std::unique_ptr<ClientAuthHandler>( + new TestClientBasicAuthHandler(kAuthUsername, kAuthPassword)); + RETURN_NOT_OK(client->Authenticate({}, std::move(client_handler))); + return CheckActionResults(client.get(), action, {kAuthUsername}); + } +}; + +/// \brief Test middleware that echoes back the value of a particular +/// incoming header. +/// +/// In Java, gRPC may consolidate this header with HTTP/2 trailers if +/// the call fails, but C++ generally doesn't do this. The integration +/// test confirms the presence of this header to ensure we can read it +/// regardless of what gRPC does. +class TestServerMiddleware : public ServerMiddleware { + public: + explicit TestServerMiddleware(std::string received) : received_(received) {} + + void SendingHeaders(AddCallHeaders* outgoing_headers) override { + outgoing_headers->AddHeader("x-middleware", received_); + } + + void CallCompleted(const Status& status) override {} + + std::string name() const override { return "GrpcTrailersMiddleware"; } + + private: + std::string received_; +}; + +class TestServerMiddlewareFactory : public ServerMiddlewareFactory { + public: + Status StartCall(const CallInfo& info, const CallHeaders& incoming_headers, + std::shared_ptr<ServerMiddleware>* middleware) override { + const std::pair<CallHeaders::const_iterator, CallHeaders::const_iterator>& iter_pair = + incoming_headers.equal_range("x-middleware"); + std::string received = ""; + if (iter_pair.first != iter_pair.second) { + const util::string_view& value = (*iter_pair.first).second; + received = std::string(value); + } + *middleware = std::make_shared<TestServerMiddleware>(received); + return Status::OK(); + } +}; + +/// \brief Test middleware that adds a header on every outgoing call, +/// and gets the value of the expected header sent by the server. +class TestClientMiddleware : public ClientMiddleware { + public: + explicit TestClientMiddleware(std::string* received_header) + : received_header_(received_header) {} + + void SendingHeaders(AddCallHeaders* outgoing_headers) { + outgoing_headers->AddHeader("x-middleware", "expected value"); + } + + void ReceivedHeaders(const CallHeaders& incoming_headers) { + // We expect the server to always send this header. gRPC/Java may + // send it in trailers instead of headers, so we expect Flight to + // account for this. + const std::pair<CallHeaders::const_iterator, CallHeaders::const_iterator>& iter_pair = + incoming_headers.equal_range("x-middleware"); + if (iter_pair.first != iter_pair.second) { + const util::string_view& value = (*iter_pair.first).second; + *received_header_ = std::string(value); + } + } + + void CallCompleted(const Status& status) {} + + private: + std::string* received_header_; +}; + +class TestClientMiddlewareFactory : public ClientMiddlewareFactory { + public: + void StartCall(const CallInfo& info, std::unique_ptr<ClientMiddleware>* middleware) { + *middleware = + std::unique_ptr<ClientMiddleware>(new TestClientMiddleware(&received_header_)); + } + + std::string received_header_; +}; + +/// \brief The server used for testing middleware. Implements only one +/// endpoint, GetFlightInfo, in such a way that it either succeeds or +/// returns an error based on the input, in order to test both paths. +class MiddlewareServer : public FlightServerBase { + Status GetFlightInfo(const ServerCallContext& context, + const FlightDescriptor& descriptor, + std::unique_ptr<FlightInfo>* result) override { + if (descriptor.type == FlightDescriptor::DescriptorType::CMD && + descriptor.cmd == "success") { + // Don't fail + std::shared_ptr<Schema> schema = arrow::schema({}); + Location location; + // Return a fake location - the test doesn't read it + RETURN_NOT_OK(Location::ForGrpcTcp("localhost", 10010, &location)); + std::vector<FlightEndpoint> endpoints{FlightEndpoint{{"foo"}, {location}}}; + ARROW_ASSIGN_OR_RAISE(auto info, + FlightInfo::Make(*schema, descriptor, endpoints, -1, -1)); + *result = std::unique_ptr<FlightInfo>(new FlightInfo(info)); + return Status::OK(); + } + // Fail the call immediately. In some gRPC implementations, this + // means that gRPC sends only HTTP/2 trailers and not headers. We want + // Flight middleware to be agnostic to this difference. + return Status::UnknownError("Unknown"); + } +}; + +/// \brief The middleware scenario. +/// +/// This tests that the server and client get expected header values. +class MiddlewareScenario : public Scenario { + Status MakeServer(std::unique_ptr<FlightServerBase>* server, + FlightServerOptions* options) override { + options->middleware.push_back( + {"grpc_trailers", std::make_shared<TestServerMiddlewareFactory>()}); + server->reset(new MiddlewareServer()); + return Status::OK(); + } + + Status MakeClient(FlightClientOptions* options) override { + client_middleware_ = std::make_shared<TestClientMiddlewareFactory>(); + options->middleware.push_back(client_middleware_); + return Status::OK(); + } + + Status RunClient(std::unique_ptr<FlightClient> client) override { + std::unique_ptr<FlightInfo> info; + // This call is expected to fail. In gRPC/Java, this causes the + // server to combine headers and HTTP/2 trailers, so to read the + // expected header, Flight must check for both headers and + // trailers. + if (client->GetFlightInfo(FlightDescriptor::Command(""), &info).ok()) { + return Status::Invalid("Expected call to fail"); + } + if (client_middleware_->received_header_ != "expected value") { + return Status::Invalid( + "Expected to receive header 'x-middleware: expected value', but instead got: '", + client_middleware_->received_header_, "'"); + } + std::cerr << "Headers received successfully on failing call." << std::endl; + + // This call should succeed + client_middleware_->received_header_ = ""; + RETURN_NOT_OK(client->GetFlightInfo(FlightDescriptor::Command("success"), &info)); + if (client_middleware_->received_header_ != "expected value") { + return Status::Invalid( + "Expected to receive header 'x-middleware: expected value', but instead got '", + client_middleware_->received_header_, "'"); + } + std::cerr << "Headers received successfully on passing call." << std::endl; + return Status::OK(); + } + + std::shared_ptr<TestClientMiddlewareFactory> client_middleware_; +}; + +/// \brief Schema to be returned for mocking the statement/prepared statement results. +/// Must be the same across all languages. +std::shared_ptr<Schema> GetQuerySchema() { + return arrow::schema({arrow::field("id", int64())}); +} + +constexpr int64_t kUpdateStatementExpectedRows = 10000L; +constexpr int64_t kUpdatePreparedStatementExpectedRows = 20000L; + +template <typename T> +arrow::Status AssertEq(const T& expected, const T& actual) { + if (expected != actual) { + return Status::Invalid("Expected \"", expected, "\", got \'", actual, "\""); + } + return Status::OK(); +} + +/// \brief The server used for testing Flight SQL, this implements a static Flight SQL +/// server which only asserts that commands called during integration tests are being +/// parsed correctly and returns the expected schemas to be validated on client. +class FlightSqlScenarioServer : public sql::FlightSqlServerBase { + public: + arrow::Result<std::unique_ptr<FlightInfo>> GetFlightInfoStatement( + const ServerCallContext& context, const sql::StatementQuery& command, + const FlightDescriptor& descriptor) override { + ARROW_RETURN_NOT_OK(AssertEq<std::string>("SELECT STATEMENT", command.query)); + + ARROW_ASSIGN_OR_RAISE(auto handle, + sql::CreateStatementQueryTicket("SELECT STATEMENT HANDLE")); + + std::vector<FlightEndpoint> endpoints{FlightEndpoint{{handle}, {}}}; + ARROW_ASSIGN_OR_RAISE( + auto result, FlightInfo::Make(*GetQuerySchema(), descriptor, endpoints, -1, -1)) + + return std::unique_ptr<FlightInfo>(new FlightInfo(result)); + } + + arrow::Result<std::unique_ptr<FlightDataStream>> DoGetStatement( + const ServerCallContext& context, + const sql::StatementQueryTicket& command) override { + return DoGetForTestCase(GetQuerySchema()); + } + + arrow::Result<std::unique_ptr<FlightInfo>> GetFlightInfoPreparedStatement( + const ServerCallContext& context, const sql::PreparedStatementQuery& command, + const FlightDescriptor& descriptor) override { + ARROW_RETURN_NOT_OK(AssertEq<std::string>("SELECT PREPARED STATEMENT HANDLE", + command.prepared_statement_handle)); + + return GetFlightInfoForCommand(descriptor, GetQuerySchema()); + } + + arrow::Result<std::unique_ptr<FlightDataStream>> DoGetPreparedStatement( + const ServerCallContext& context, + const sql::PreparedStatementQuery& command) override { + return DoGetForTestCase(GetQuerySchema()); + } + + arrow::Result<std::unique_ptr<FlightInfo>> GetFlightInfoCatalogs( + const ServerCallContext& context, const FlightDescriptor& descriptor) override { + return GetFlightInfoForCommand(descriptor, sql::SqlSchema::GetCatalogsSchema()); + } + + arrow::Result<std::unique_ptr<FlightDataStream>> DoGetCatalogs( + const ServerCallContext& context) override { + return DoGetForTestCase(sql::SqlSchema::GetCatalogsSchema()); + } + + arrow::Result<std::unique_ptr<FlightInfo>> GetFlightInfoSqlInfo( + const ServerCallContext& context, const sql::GetSqlInfo& command, + const FlightDescriptor& descriptor) override { + ARROW_RETURN_NOT_OK(AssertEq<int>(2, command.info.size())); + ARROW_RETURN_NOT_OK(AssertEq<int>( + sql::SqlInfoOptions::SqlInfo::FLIGHT_SQL_SERVER_NAME, command.info[0])); + ARROW_RETURN_NOT_OK(AssertEq<int>( + sql::SqlInfoOptions::SqlInfo::FLIGHT_SQL_SERVER_READ_ONLY, command.info[1])); + + return GetFlightInfoForCommand(descriptor, sql::SqlSchema::GetSqlInfoSchema()); + } + + arrow::Result<std::unique_ptr<FlightDataStream>> DoGetSqlInfo( + const ServerCallContext& context, const sql::GetSqlInfo& command) override { + return DoGetForTestCase(sql::SqlSchema::GetSqlInfoSchema()); + } + + arrow::Result<std::unique_ptr<FlightInfo>> GetFlightInfoSchemas( + const ServerCallContext& context, const sql::GetDbSchemas& command, + const FlightDescriptor& descriptor) override { + ARROW_RETURN_NOT_OK(AssertEq<std::string>("catalog", command.catalog.value())); + ARROW_RETURN_NOT_OK(AssertEq<std::string>("db_schema_filter_pattern", + command.db_schema_filter_pattern.value())); + + return GetFlightInfoForCommand(descriptor, sql::SqlSchema::GetDbSchemasSchema()); + } + + arrow::Result<std::unique_ptr<FlightDataStream>> DoGetDbSchemas( + const ServerCallContext& context, const sql::GetDbSchemas& command) override { + return DoGetForTestCase(sql::SqlSchema::GetDbSchemasSchema()); + } + + arrow::Result<std::unique_ptr<FlightInfo>> GetFlightInfoTables( + const ServerCallContext& context, const sql::GetTables& command, + const FlightDescriptor& descriptor) override { + ARROW_RETURN_NOT_OK(AssertEq<std::string>("catalog", command.catalog.value())); + ARROW_RETURN_NOT_OK(AssertEq<std::string>("db_schema_filter_pattern", + command.db_schema_filter_pattern.value())); + ARROW_RETURN_NOT_OK(AssertEq<std::string>("table_filter_pattern", + command.table_name_filter_pattern.value())); + ARROW_RETURN_NOT_OK(AssertEq<int>(2, command.table_types.size())); + ARROW_RETURN_NOT_OK(AssertEq<std::string>("table", command.table_types[0])); + ARROW_RETURN_NOT_OK(AssertEq<std::string>("view", command.table_types[1])); + ARROW_RETURN_NOT_OK(AssertEq<bool>(true, command.include_schema)); + + return GetFlightInfoForCommand(descriptor, + sql::SqlSchema::GetTablesSchemaWithIncludedSchema()); + } + + arrow::Result<std::unique_ptr<FlightDataStream>> DoGetTables( + const ServerCallContext& context, const sql::GetTables& command) override { + return DoGetForTestCase(sql::SqlSchema::GetTablesSchemaWithIncludedSchema()); + } + + arrow::Result<std::unique_ptr<FlightInfo>> GetFlightInfoTableTypes( + const ServerCallContext& context, const FlightDescriptor& descriptor) override { + return GetFlightInfoForCommand(descriptor, sql::SqlSchema::GetTableTypesSchema()); + } + + arrow::Result<std::unique_ptr<FlightDataStream>> DoGetTableTypes( + const ServerCallContext& context) override { + return DoGetForTestCase(sql::SqlSchema::GetTableTypesSchema()); + } + + arrow::Result<std::unique_ptr<FlightInfo>> GetFlightInfoPrimaryKeys( + const ServerCallContext& context, const sql::GetPrimaryKeys& command, + const FlightDescriptor& descriptor) override { + ARROW_RETURN_NOT_OK( + AssertEq<std::string>("catalog", command.table_ref.catalog.value())); + ARROW_RETURN_NOT_OK( + AssertEq<std::string>("db_schema", command.table_ref.db_schema.value())); + ARROW_RETURN_NOT_OK(AssertEq<std::string>("table", command.table_ref.table)); + + return GetFlightInfoForCommand(descriptor, sql::SqlSchema::GetPrimaryKeysSchema()); + } + + arrow::Result<std::unique_ptr<FlightDataStream>> DoGetPrimaryKeys( + const ServerCallContext& context, const sql::GetPrimaryKeys& command) override { + return DoGetForTestCase(sql::SqlSchema::GetPrimaryKeysSchema()); + } + + arrow::Result<std::unique_ptr<FlightInfo>> GetFlightInfoExportedKeys( + const ServerCallContext& context, const sql::GetExportedKeys& command, + const FlightDescriptor& descriptor) override { + ARROW_RETURN_NOT_OK( + AssertEq<std::string>("catalog", command.table_ref.catalog.value())); + ARROW_RETURN_NOT_OK( + AssertEq<std::string>("db_schema", command.table_ref.db_schema.value())); + ARROW_RETURN_NOT_OK(AssertEq<std::string>("table", command.table_ref.table)); + + return GetFlightInfoForCommand(descriptor, sql::SqlSchema::GetExportedKeysSchema()); + } + + arrow::Result<std::unique_ptr<FlightDataStream>> DoGetExportedKeys( + const ServerCallContext& context, const sql::GetExportedKeys& command) override { + return DoGetForTestCase(sql::SqlSchema::GetExportedKeysSchema()); + } + + arrow::Result<std::unique_ptr<FlightInfo>> GetFlightInfoImportedKeys( + const ServerCallContext& context, const sql::GetImportedKeys& command, + const FlightDescriptor& descriptor) override { + ARROW_RETURN_NOT_OK( + AssertEq<std::string>("catalog", command.table_ref.catalog.value())); + ARROW_RETURN_NOT_OK( + AssertEq<std::string>("db_schema", command.table_ref.db_schema.value())); + ARROW_RETURN_NOT_OK(AssertEq<std::string>("table", command.table_ref.table)); + + return GetFlightInfoForCommand(descriptor, sql::SqlSchema::GetImportedKeysSchema()); + } + + arrow::Result<std::unique_ptr<FlightDataStream>> DoGetImportedKeys( + const ServerCallContext& context, const sql::GetImportedKeys& command) override { + return DoGetForTestCase(sql::SqlSchema::GetImportedKeysSchema()); + } + + arrow::Result<std::unique_ptr<FlightInfo>> GetFlightInfoCrossReference( + const ServerCallContext& context, const sql::GetCrossReference& command, + const FlightDescriptor& descriptor) override { + ARROW_RETURN_NOT_OK( + AssertEq<std::string>("pk_catalog", command.pk_table_ref.catalog.value())); + ARROW_RETURN_NOT_OK( + AssertEq<std::string>("pk_db_schema", command.pk_table_ref.db_schema.value())); + ARROW_RETURN_NOT_OK(AssertEq<std::string>("pk_table", command.pk_table_ref.table)); + ARROW_RETURN_NOT_OK( + AssertEq<std::string>("fk_catalog", command.fk_table_ref.catalog.value())); + ARROW_RETURN_NOT_OK( + AssertEq<std::string>("fk_db_schema", command.fk_table_ref.db_schema.value())); + ARROW_RETURN_NOT_OK(AssertEq<std::string>("fk_table", command.fk_table_ref.table)); + + return GetFlightInfoForCommand(descriptor, sql::SqlSchema::GetTableTypesSchema()); + } + + arrow::Result<std::unique_ptr<FlightDataStream>> DoGetCrossReference( + const ServerCallContext& context, const sql::GetCrossReference& command) override { + return DoGetForTestCase(sql::SqlSchema::GetCrossReferenceSchema()); + } + + arrow::Result<int64_t> DoPutCommandStatementUpdate( + const ServerCallContext& context, const sql::StatementUpdate& command) override { + ARROW_RETURN_NOT_OK(AssertEq<std::string>("UPDATE STATEMENT", command.query)); + + return kUpdateStatementExpectedRows; + } + + arrow::Result<sql::ActionCreatePreparedStatementResult> CreatePreparedStatement( + const ServerCallContext& context, + const sql::ActionCreatePreparedStatementRequest& request) override { + ARROW_RETURN_NOT_OK( + AssertEq<bool>(true, request.query == "SELECT PREPARED STATEMENT" || + request.query == "UPDATE PREPARED STATEMENT")); + + sql::ActionCreatePreparedStatementResult result; + result.prepared_statement_handle = request.query + " HANDLE"; + + return result; + } + + Status ClosePreparedStatement( + const ServerCallContext& context, + const sql::ActionClosePreparedStatementRequest& request) override { + return Status::OK(); + } + + Status DoPutPreparedStatementQuery(const ServerCallContext& context, + const sql::PreparedStatementQuery& command, + FlightMessageReader* reader, + FlightMetadataWriter* writer) override { + ARROW_RETURN_NOT_OK(AssertEq<std::string>("SELECT PREPARED STATEMENT HANDLE", + command.prepared_statement_handle)); + + ARROW_ASSIGN_OR_RAISE(auto actual_schema, reader->GetSchema()); + ARROW_RETURN_NOT_OK(AssertEq<Schema>(*GetQuerySchema(), *actual_schema)); + + return Status::OK(); + } + + arrow::Result<int64_t> DoPutPreparedStatementUpdate( + const ServerCallContext& context, const sql::PreparedStatementUpdate& command, + FlightMessageReader* reader) override { + ARROW_RETURN_NOT_OK(AssertEq<std::string>("UPDATE PREPARED STATEMENT HANDLE", + command.prepared_statement_handle)); + + return kUpdatePreparedStatementExpectedRows; + } + + private: + arrow::Result<std::unique_ptr<FlightInfo>> GetFlightInfoForCommand( + const FlightDescriptor& descriptor, const std::shared_ptr<Schema>& schema) { + std::vector<FlightEndpoint> endpoints{FlightEndpoint{{descriptor.cmd}, {}}}; + ARROW_ASSIGN_OR_RAISE(auto result, + FlightInfo::Make(*schema, descriptor, endpoints, -1, -1)) + + return std::unique_ptr<FlightInfo>(new FlightInfo(result)); + } + + arrow::Result<std::unique_ptr<FlightDataStream>> DoGetForTestCase( + const std::shared_ptr<Schema>& schema) { + ARROW_ASSIGN_OR_RAISE(auto reader, RecordBatchReader::Make({}, schema)); + return std::unique_ptr<FlightDataStream>(new RecordBatchStream(reader)); + } +}; + +/// \brief Integration test scenario for validating Flight SQL specs across multiple +/// implementations. This should ensure that RPC objects are being built and parsed +/// correctly for multiple languages and that the Arrow schemas are returned as expected. +class FlightSqlScenario : public Scenario { + Status MakeServer(std::unique_ptr<FlightServerBase>* server, + FlightServerOptions* options) override { + server->reset(new FlightSqlScenarioServer()); + return Status::OK(); + } + + Status MakeClient(FlightClientOptions* options) override { return Status::OK(); } + + Status Validate(std::shared_ptr<Schema> expectedSchema, + arrow::Result<std::unique_ptr<FlightInfo>> flightInfo, + sql::FlightSqlClient* sql_client) { + FlightCallOptions call_options; + + ARROW_ASSIGN_OR_RAISE(auto flight_info, flightInfo); + ARROW_ASSIGN_OR_RAISE( + auto reader, sql_client->DoGet(call_options, flight_info->endpoints()[0].ticket)); + + ARROW_ASSIGN_OR_RAISE(auto actual_schema, reader->GetSchema()); + + AssertSchemaEqual(expectedSchema, actual_schema); Review comment: Fixed -- This is an automated message from the Apache Git Service. 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