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/*
* Copyright (c) 2023 Project CHIP Authors
*
* Licensed 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 <gtest/gtest.h>
#include <lib/support/UnitTestRegistration.h>
#include <tracing/backend.h>
#include <tracing/macros.h>
#include <tracing/registry.h>
#include <algorithm>
#include <string>
#include <vector>
using namespace chip;
using namespace chip::Tracing;
namespace {
// This keeps a log of all received trace items
class LoggingTraceBackend : public Backend
{
public:
LoggingTraceBackend() {}
const std::vector<std::string> & traces() const { return mTraces; }
// Implementation
void TraceBegin(const char * label, const char * group) override
{
mTraces.push_back(std::string("BEGIN:") + group + ":" + label);
}
void TraceEnd(const char * label, const char * group) override { mTraces.push_back(std::string("END:") + group + ":" + label); }
void TraceInstant(const char * label, const char * group) override
{
mTraces.push_back(std::string("INSTANT:") + group + ":" + label);
}
private:
std::vector<std::string> mTraces;
};
TEST(TestTracing, TestBasicTracing)
{
LoggingTraceBackend backend;
{
ScopedRegistration scope(backend);
MATTER_TRACE_SCOPE("A", "Group");
{
MATTER_TRACE_SCOPE("B", "Group");
// direct scope begin/end (not usual, but should work)
MATTER_TRACE_BEGIN("C", "Group");
MATTER_TRACE_BEGIN("D", "Group");
MATTER_TRACE_END("D", "Group");
MATTER_TRACE_INSTANT("FOO", "Group");
MATTER_TRACE_END("C", "Group");
}
{
MATTER_TRACE_SCOPE("E", "Group");
}
}
std::vector<std::string> expected = {
"BEGIN:Group:A", "BEGIN:Group:B", "BEGIN:Group:C", "BEGIN:Group:D", "END:Group:D", "INSTANT:Group:FOO",
"END:Group:C", "END:Group:B", "BEGIN:Group:E", "END:Group:E", "END:Group:A",
};
EXPECT_EQ(backend.traces().size(), expected.size());
EXPECT_TRUE(std::equal(backend.traces().begin(), backend.traces().end(), expected.begin(), expected.end()));
}
TEST(TestTracing, TestMultipleBackends)
{
LoggingTraceBackend b1;
LoggingTraceBackend b2;
LoggingTraceBackend b3;
{
ScopedRegistration register1(b1);
MATTER_TRACE_SCOPE("1", "G");
{
ScopedRegistration register2(b2);
MATTER_TRACE_SCOPE("2", "G");
{
ScopedRegistration register3(b3);
MATTER_TRACE_SCOPE("3", "G");
}
{
MATTER_TRACE_SCOPE("4", "G");
}
}
}
std::vector<std::string> expected1 = {
"BEGIN:G:1", "BEGIN:G:2", "BEGIN:G:3", "END:G:3", "BEGIN:G:4", "END:G:4", "END:G:2", "END:G:1",
};
EXPECT_EQ(b1.traces().size(), expected1.size());
EXPECT_TRUE(std::equal(b1.traces().begin(), b1.traces().end(), expected1.begin(), expected1.end()));
std::vector<std::string> expected2 = {
"BEGIN:G:2", "BEGIN:G:3", "END:G:3", "BEGIN:G:4", "END:G:4", "END:G:2",
};
EXPECT_EQ(b2.traces().size(), expected2.size());
EXPECT_TRUE(std::equal(b2.traces().begin(), b2.traces().end(), expected2.begin(), expected2.end()));
std::vector<std::string> expected3 = {
"BEGIN:G:3",
"END:G:3",
};
EXPECT_EQ(b3.traces().size(), expected3.size());
EXPECT_TRUE(std::equal(b3.traces().begin(), b3.traces().end(), expected3.begin(), expected3.end()));
}
} // namespace