test_helpers.hpp revision 1.1.1.2
1// 2// Automated Testing Framework (atf) 3// 4// Copyright (c) 2009, 2010 The NetBSD Foundation, Inc. 5// All rights reserved. 6// 7// Redistribution and use in source and binary forms, with or without 8// modification, are permitted provided that the following conditions 9// are met: 10// 1. Redistributions of source code must retain the above copyright 11// notice, this list of conditions and the following disclaimer. 12// 2. Redistributions in binary form must reproduce the above copyright 13// notice, this list of conditions and the following disclaimer in the 14// documentation and/or other materials provided with the distribution. 15// 16// THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND 17// CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, 18// INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 19// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 20// IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS BE LIABLE FOR ANY 21// DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22// DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE 23// GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 24// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER 25// IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR 26// OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN 27// IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 28// 29 30#if defined(TESTS_ATF_ATF_CXX_TEST_HELPERS_H) 31# error "Cannot include test_helpers.hpp more than once." 32#else 33# define TESTS_ATF_ATF_CXX_TEST_HELPERS_H 34#endif 35 36#include <cstdlib> 37#include <iostream> 38#include <sstream> 39#include <utility> 40 41#include "../macros.hpp" 42#include "../tests.hpp" 43#include "parser.hpp" 44#include "process.hpp" 45#include "text.hpp" 46 47#define HEADER_TC(name, hdrname) \ 48 ATF_TEST_CASE(name); \ 49 ATF_TEST_CASE_HEAD(name) \ 50 { \ 51 set_md_var("descr", "Tests that the " hdrname " file can be " \ 52 "included on its own, without any prerequisites"); \ 53 } \ 54 ATF_TEST_CASE_BODY(name) \ 55 { \ 56 header_check(*this, hdrname); \ 57 } 58 59#define BUILD_TC(name, sfile, descr, failmsg) \ 60 ATF_TEST_CASE(name); \ 61 ATF_TEST_CASE_HEAD(name) \ 62 { \ 63 set_md_var("descr", descr); \ 64 } \ 65 ATF_TEST_CASE_BODY(name) \ 66 { \ 67 build_check_cxx_o(*this, sfile, failmsg); \ 68 } 69 70namespace atf { 71namespace tests { 72class tc; 73} 74} 75 76void header_check(const atf::tests::tc&, const char*); 77void build_check_cxx_o(const atf::tests::tc&, const char*, const char*); 78atf::fs::path get_process_helpers_path(const atf::tests::tc&); 79bool grep_file(const char*, const char*); 80bool grep_string(const std::string&, const char*); 81 82struct run_h_tc_data { 83 const atf::tests::vars_map& m_config; 84 85 run_h_tc_data(const atf::tests::vars_map& config) : 86 m_config(config) {} 87}; 88 89template< class TestCase > 90void 91run_h_tc_child(void* v) 92{ 93 run_h_tc_data* data = static_cast< run_h_tc_data* >(v); 94 95 TestCase tc; 96 tc.init(data->m_config); 97 tc.run("result"); 98 std::exit(EXIT_SUCCESS); 99} 100 101template< class TestCase > 102void 103run_h_tc(atf::tests::vars_map config = atf::tests::vars_map()) 104{ 105 run_h_tc_data data(config); 106 atf::process::child c = atf::process::fork( 107 run_h_tc_child< TestCase >, 108 atf::process::stream_redirect_path(atf::fs::path("stdout")), 109 atf::process::stream_redirect_path(atf::fs::path("stderr")), 110 &data); 111 const atf::process::status s = c.wait(); 112 ATF_REQUIRE(s.exited()); 113} 114 115namespace test_helpers_detail { 116 117typedef std::vector< std::string > string_vector; 118 119template< class Reader > 120std::pair< string_vector, string_vector > 121do_read(const char* input) 122{ 123 string_vector errors; 124 125 std::istringstream is(input); 126 Reader reader(is); 127 try { 128 reader.read(); 129 } catch (const atf::parser::parse_errors& pes) { 130 for (std::vector< atf::parser::parse_error >::const_iterator iter = 131 pes.begin(); iter != pes.end(); iter++) 132 errors.push_back(*iter); 133 } catch (const atf::parser::parse_error& pe) { 134 ATF_FAIL("Raised a lonely parse error: " + 135 atf::text::to_string(pe.first) + ": " + pe.second); 136 } 137 138 return std::make_pair(reader.m_calls, errors); 139} 140 141void check_equal(const char*[], const string_vector&); 142 143} // namespace test_helpers_detail 144 145template< class Reader > 146void 147do_parser_test(const char* input, const char* exp_calls[], 148 const char* exp_errors[]) 149{ 150 const std::pair< test_helpers_detail::string_vector, 151 test_helpers_detail::string_vector > 152 actual = test_helpers_detail::do_read< Reader >(input); 153 test_helpers_detail::check_equal(exp_calls, actual.first); 154 test_helpers_detail::check_equal(exp_errors, actual.second); 155} 156