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87 lines
2.2 KiB
C++
87 lines
2.2 KiB
C++
/*
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* ConfigKnobs.cpp
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*
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* This source file is part of the FoundationDB open source project
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*
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* Copyright 2013-2018 Apple Inc. and the FoundationDB project authors
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "fdbclient/ConfigKnobs.h"
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#include "fdbclient/Tuple.h"
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#include "flow/UnitTest.h"
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ConfigKey ConfigKeyRef::decodeKey(KeyRef const& key) {
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Tuple tuple;
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try {
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tuple = Tuple::unpack(key);
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} catch (Error& e) {
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TraceEvent(SevWarnAlways, "FailedToUnpackConfigKey").detail("Key", printable(key)).error(e);
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throw invalid_config_db_key();
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}
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if (tuple.size() != 2) {
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throw invalid_config_db_key();
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}
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if (tuple.getType(0) == Tuple::NULL_TYPE) {
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return ConfigKeyRef({}, tuple.getString(1));
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} else {
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if (tuple.getType(0) != Tuple::BYTES || tuple.getType(1) != Tuple::BYTES) {
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throw invalid_config_db_key();
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}
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return ConfigKeyRef(tuple.getString(0), tuple.getString(1));
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}
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}
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TEST_CASE("/fdbclient/ConfigDB/ConfigKey/EncodeDecode") {
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Tuple tuple;
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tuple << "class-A"_sr
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<< "test_long"_sr;
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auto packed = tuple.pack();
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auto unpacked = ConfigKeyRef::decodeKey(packed);
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ASSERT(unpacked.configClass.get() == "class-A"_sr);
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ASSERT(unpacked.knobName == "test_long"_sr);
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return Void();
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}
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namespace {
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void decodeFailureTest(KeyRef key) {
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try {
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ConfigKeyRef::decodeKey(key);
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} catch (Error& e) {
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ASSERT_EQ(e.code(), error_code_invalid_config_db_key);
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return;
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}
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ASSERT(false);
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}
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} // namespace
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TEST_CASE("/fdbclient/ConfigDB/ConfigKey/DecodeFailure") {
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{
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Tuple tuple;
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tuple << "s1"_sr
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<< "s2"_sr
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<< "s3"_sr;
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decodeFailureTest(tuple.pack());
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}
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{
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Tuple tuple;
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tuple << "s1"_sr << 5;
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decodeFailureTest(tuple.pack());
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}
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decodeFailureTest("non-tuple-key"_sr);
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return Void();
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}
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