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97 lines
1.7 KiB
C++
97 lines
1.7 KiB
C++
//
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// IntGaugeTest.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 "IntGaugeTest.h"
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#include "CppUnit/TestCaller.h"
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#include "CppUnit/TestSuite.h"
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#include "Poco/Prometheus/IntGauge.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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IntGaugeTest::IntGaugeTest(const std::string& name):
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CppUnit::TestCase("IntGaugeTest"s)
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{
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}
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void IntGaugeTest::testBasicBehavior()
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{
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IntGauge gauge("gauge"s);
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assertEqual(0, gauge.value());
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gauge.inc();
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assertEqual(1, gauge.value());
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gauge.inc(2);
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assertEqual(3, gauge.value());
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gauge.dec(2);
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assertEqual(1, gauge.value());
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gauge.set(5);
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assertEqual(5, gauge.value());
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}
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void IntGaugeTest::testExport()
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{
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IntGauge gauge1("gauge_1"s);
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gauge1.help("A test gauge"s);
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IntGauge gauge2("gauge_2"s);
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gauge2.help("Another test gauge"s);
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gauge2.inc(42);
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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 gauge_1 A test gauge\n"
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"# TYPE gauge_1 gauge\n"
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"gauge_1 0\n"
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"# HELP gauge_2 Another test gauge\n"
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"# TYPE gauge_2 gauge\n"
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"gauge_2 42\n"s,
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text);
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}
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void IntGaugeTest::setUp()
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{
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Registry::defaultRegistry().clear();
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}
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void IntGaugeTest::tearDown()
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{
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}
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CppUnit::Test* IntGaugeTest::suite()
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{
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CppUnit::TestSuite* pSuite = new CppUnit::TestSuite("IntGaugeTest");
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CppUnit_addTest(pSuite, IntGaugeTest, testBasicBehavior);
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CppUnit_addTest(pSuite, IntGaugeTest, testExport);
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return pSuite;
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}
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