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80 lines
1.5 KiB
C++
80 lines
1.5 KiB
C++
//
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// CallbackMetricTest.cpp
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//
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// Copyright (c) 2022, Applied Informatics Software Engineering GmbH.
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// and Contributors.
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//
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// SPDX-License-Identifier: BSL-1.0
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//
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#include "CallbackMetricTest.h"
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#include "CppUnit/TestCaller.h"
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#include "CppUnit/TestSuite.h"
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#include "Poco/Prometheus/CallbackMetric.h"
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#include "Poco/Prometheus/Registry.h"
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#include "Poco/Prometheus/TextExporter.h"
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#include "Poco/Exception.h"
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#include <sstream>
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using namespace Poco::Prometheus;
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using namespace std::string_literals;
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CallbackMetricTest::CallbackMetricTest(const std::string& name):
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CppUnit::TestCase("CallbackMetricTest"s)
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{
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}
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void CallbackMetricTest::testExport()
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{
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CallbackIntCounter counter1("counter_1"s, []()
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{
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return 42;
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});
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counter1.help("A test counter"s);
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CallbackIntGauge gauge1("gauge_1"s, []()
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{
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return 2112;
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});
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gauge1.help("A test gauge"s);
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std::ostringstream stream;
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TextExporter exporter(stream);
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Registry::defaultRegistry().exportTo(exporter);
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const std::string text = stream.str();
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assertEqual(
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"# HELP counter_1 A test counter\n"
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"# TYPE counter_1 counter\n"
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"counter_1 42\n"
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"# HELP gauge_1 A test gauge\n"
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"# TYPE gauge_1 gauge\n"
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"gauge_1 2112\n"s,
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text);
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}
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void CallbackMetricTest::setUp()
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{
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Registry::defaultRegistry().clear();
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}
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void CallbackMetricTest::tearDown()
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{
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}
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CppUnit::Test* CallbackMetricTest::suite()
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{
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CppUnit::TestSuite* pSuite = new CppUnit::TestSuite("CallbackMetricTest");
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CppUnit_addTest(pSuite, CallbackMetricTest, testExport);
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return pSuite;
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}
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