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83 lines
2.8 KiB
C++
83 lines
2.8 KiB
C++
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// Copyright Catch2 Authors
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// Distributed under the Boost Software License, Version 1.0.
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// (See accompanying file LICENSE.txt or copy at
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// https://www.boost.org/LICENSE_1_0.txt)
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// SPDX-License-Identifier: BSL-1.0
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/**\file
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* Test that the captured stdout/err in (partial) testCaseEnded events
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* is correct (e.g. that the partial test case event does not get accumulated
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* output).
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*
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* This is done by having a single test case that is entered multiple
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* times through generator, and a custom capturing reporter that knows
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* what it should expect captured from the test case.
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*/
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#include <catch2/catch_test_macros.hpp>
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#include <catch2/generators/catch_generators.hpp>
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#include <catch2/generators/catch_generators_range.hpp>
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#include <catch2/reporters/catch_reporter_streaming_base.hpp>
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#include <catch2/reporters/catch_reporter_registrars.hpp>
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#include <iostream>
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#include <string>
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#include <utility>
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class TestReporter : public Catch::StreamingReporterBase {
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std::string stdOutString( uint64_t iter ){
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return "stdout " + std::to_string( iter ) + '\n';
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}
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std::string stdErrString(uint64_t iter) {
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return "stderr " + std::to_string( iter ) + '\n';
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}
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public:
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TestReporter( Catch::ReporterConfig&& _config ):
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StreamingReporterBase( std::move(_config) ) {
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m_preferences.shouldRedirectStdOut = true;
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std::cout << "X27 - TestReporter constructed\n";
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}
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static std::string getDescription() {
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return "X27 test reporter";
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}
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void testCasePartialEnded( Catch::TestCaseStats const& stats,
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uint64_t iter ) override {
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if ( stats.stdOut != stdOutString( iter ) ) {
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std::cerr << "X27 ERROR in partial stdout\n" << stats.stdOut;
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}
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if ( stats.stdErr != stdErrString( iter ) ) {
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std::cerr << "X27 ERROR in partial stderr\n" << stats.stdErr;
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}
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}
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void testCaseEnded( Catch::TestCaseStats const& stats ) override {
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if ( stats.stdOut != "stdout 0\nstdout 1\nstdout 2\nstdout 3\nstdout 4\nstdout 5\n" ) {
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std::cerr << "X27 ERROR in full stdout\n" << stats.stdOut;
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}
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if ( stats.stdErr != "stderr 0\nstderr 1\nstderr 2\nstderr 3\nstderr 4\nstderr 5\n" ) {
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std::cerr << "X27 ERROR in full stderr\n" << stats.stdErr;
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}
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}
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~TestReporter() override;
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};
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TestReporter::~TestReporter() = default;
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CATCH_REGISTER_REPORTER( "test-reporter", TestReporter )
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TEST_CASE( "repeatedly entered test case" ) {
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auto i = GENERATE( range(0, 6) );
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std::cout << "stdout " << i << '\n';
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// Switch between writing to std::cerr and std::clog just to make sure
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// both are properly captured and redirected.
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( ( i % 2 == 0 ) ? std::cerr : std::clog ) << "stderr " << i << '\n';
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}
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