diff options
Diffstat (limited to 'abseil-cpp/absl/flags/internal/usage_test.cc')
| -rw-r--r-- | abseil-cpp/absl/flags/internal/usage_test.cc | 221 |
1 files changed, 178 insertions, 43 deletions
diff --git a/abseil-cpp/absl/flags/internal/usage_test.cc b/abseil-cpp/absl/flags/internal/usage_test.cc index 6e583fb..6847386 100644 --- a/abseil-cpp/absl/flags/internal/usage_test.cc +++ b/abseil-cpp/absl/flags/internal/usage_test.cc @@ -20,10 +20,10 @@ #include <sstream> #include <string> +#include "gmock/gmock.h" #include "gtest/gtest.h" #include "absl/flags/flag.h" #include "absl/flags/internal/parse.h" -#include "absl/flags/internal/path_util.h" #include "absl/flags/internal/program_name.h" #include "absl/flags/reflection.h" #include "absl/flags/usage.h" @@ -39,15 +39,20 @@ ABSL_FLAG(double, usage_reporting_test_flag_03, 1.03, "usage_reporting_test_flag_03 help message"); ABSL_FLAG(int64_t, usage_reporting_test_flag_04, 1000000000000004L, "usage_reporting_test_flag_04 help message"); +ABSL_FLAG(std::string, usage_reporting_test_flag_07, "\r\n\f\v\a\b\t ", + "usage_reporting_test_flag_07 help \r\n\f\v\a\b\t "); static const char kTestUsageMessage[] = "Custom usage message"; struct UDT { UDT() = default; UDT(const UDT&) = default; + UDT& operator=(const UDT&) = default; }; -bool AbslParseFlag(absl::string_view, UDT*, std::string*) { return true; } -std::string AbslUnparseFlag(const UDT&) { return "UDT{}"; } +static bool AbslParseFlag(absl::string_view, UDT*, std::string*) { + return true; +} +static std::string AbslUnparseFlag(const UDT&) { return "UDT{}"; } ABSL_FLAG(UDT, usage_reporting_test_flag_05, {}, "usage_reporting_test_flag_05 help message"); @@ -87,6 +92,11 @@ class UsageReportingTest : public testing::Test { default_config.normalize_filename = &NormalizeFileName; absl::SetFlagsUsageConfig(default_config); } + ~UsageReportingTest() override { + flags::SetFlagsHelpMode(flags::HelpMode::kNone); + flags::SetFlagsHelpMatchSubstr(""); + flags::SetFlagsHelpFormat(flags::HelpFormat::kHumanReadable); + } private: absl::FlagSaver flag_saver_; @@ -97,14 +107,19 @@ class UsageReportingTest : public testing::Test { using UsageReportingDeathTest = UsageReportingTest; TEST_F(UsageReportingDeathTest, TestSetProgramUsageMessage) { +#if !defined(GTEST_HAS_ABSL) || !GTEST_HAS_ABSL + // Check for kTestUsageMessage set in main() below. EXPECT_EQ(absl::ProgramUsageMessage(), kTestUsageMessage); +#else + // Check for part of the usage message set by GoogleTest. + EXPECT_THAT(absl::ProgramUsageMessage(), + ::testing::HasSubstr( + "This program contains tests written using Google Test")); +#endif -#ifndef _WIN32 - // TODO(rogeeff): figure out why this does not work on Windows. EXPECT_DEATH_IF_SUPPORTED( absl::SetProgramUsageMessage("custom usage message"), - ".*SetProgramUsageMessage\\(\\) called twice.*"); -#endif + ::testing::HasSubstr("SetProgramUsageMessage() called twice")); } // -------------------------------------------------------------------- @@ -190,7 +205,15 @@ TEST_F(UsageReportingTest, TestFlagsHelpHRF) { Some more help. Even more long long long long long long long long long long long long help - message.); default: ""; + message.); default: "";)" + + "\n --usage_reporting_test_flag_07 (usage_reporting_test_flag_07 " + "help\n\n \f\v\a\b ); default: \"\r\n\f\v\a\b\t \";\n" + + R"( +Try --helpfull to get a list of all flags or --help=substring shows help for +flags which include specified substring in either in the name, or description or +path. )"; std::stringstream test_buf_01; @@ -214,7 +237,11 @@ TEST_F(UsageReportingTest, TestFlagsHelpHRF) { EXPECT_EQ(test_buf_04.str(), R"(usage_test: Custom usage message - No modules matched: use -helpfull +No flags matched. + +Try --helpfull to get a list of all flags or --help=substring shows help for +flags which include specified substring in either in the name, or description or +path. )"); std::stringstream test_buf_05; @@ -226,30 +253,29 @@ TEST_F(UsageReportingTest, TestFlagsHelpHRF) { absl::StartsWith(test_out_str, "usage_test: Custom usage message")); EXPECT_TRUE(absl::StrContains( test_out_str, "Flags from absl/flags/internal/usage_test.cc:")); - EXPECT_TRUE(absl::StrContains(test_out_str, - "Flags from absl/flags/internal/usage.cc:")); EXPECT_TRUE( absl::StrContains(test_out_str, "-usage_reporting_test_flag_01 ")); - EXPECT_TRUE(absl::StrContains(test_out_str, "-help (show help")) - << test_out_str; } // -------------------------------------------------------------------- TEST_F(UsageReportingTest, TestNoUsageFlags) { std::stringstream test_buf; - EXPECT_EQ(flags::HandleUsageFlags(test_buf, kTestUsageMessage), -1); + EXPECT_EQ(flags::HandleUsageFlags(test_buf, kTestUsageMessage), + flags::HelpMode::kNone); } // -------------------------------------------------------------------- TEST_F(UsageReportingTest, TestUsageFlag_helpshort) { - absl::SetFlag(&FLAGS_helpshort, true); + flags::SetFlagsHelpMode(flags::HelpMode::kShort); std::stringstream test_buf; - EXPECT_EQ(flags::HandleUsageFlags(test_buf, kTestUsageMessage), 1); - EXPECT_EQ(test_buf.str(), - R"(usage_test: Custom usage message + EXPECT_EQ(flags::HandleUsageFlags(test_buf, kTestUsageMessage), + flags::HelpMode::kShort); + EXPECT_EQ( + test_buf.str(), + R"(usage_test: Custom usage message Flags from absl/flags/internal/usage_test.cc: --usage_reporting_test_flag_01 (usage_reporting_test_flag_01 help message); @@ -266,21 +292,96 @@ TEST_F(UsageReportingTest, TestUsageFlag_helpshort) { Some more help. Even more long long long long long long long long long long long long help - message.); default: ""; + message.); default: "";)" + + "\n --usage_reporting_test_flag_07 (usage_reporting_test_flag_07 " + "help\n\n \f\v\a\b ); default: \"\r\n\f\v\a\b\t \";\n" + + R"( +Try --helpfull to get a list of all flags or --help=substring shows help for +flags which include specified substring in either in the name, or description or +path. )"); } // -------------------------------------------------------------------- -TEST_F(UsageReportingTest, TestUsageFlag_help) { - absl::SetFlag(&FLAGS_help, true); +TEST_F(UsageReportingTest, TestUsageFlag_help_simple) { + flags::SetFlagsHelpMode(flags::HelpMode::kImportant); std::stringstream test_buf; - EXPECT_EQ(flags::HandleUsageFlags(test_buf, kTestUsageMessage), 1); + EXPECT_EQ(flags::HandleUsageFlags(test_buf, kTestUsageMessage), + flags::HelpMode::kImportant); + EXPECT_EQ( + test_buf.str(), + R"(usage_test: Custom usage message + + Flags from absl/flags/internal/usage_test.cc: + --usage_reporting_test_flag_01 (usage_reporting_test_flag_01 help message); + default: 101; + --usage_reporting_test_flag_02 (usage_reporting_test_flag_02 help message); + default: false; + --usage_reporting_test_flag_03 (usage_reporting_test_flag_03 help message); + default: 1.03; + --usage_reporting_test_flag_04 (usage_reporting_test_flag_04 help message); + default: 1000000000000004; + --usage_reporting_test_flag_05 (usage_reporting_test_flag_05 help message); + default: UDT{}; + --usage_reporting_test_flag_06 (usage_reporting_test_flag_06 help message. + + Some more help. + Even more long long long long long long long long long long long long help + message.); default: "";)" + + "\n --usage_reporting_test_flag_07 (usage_reporting_test_flag_07 " + "help\n\n \f\v\a\b ); default: \"\r\n\f\v\a\b\t \";\n" + + R"( +Try --helpfull to get a list of all flags or --help=substring shows help for +flags which include specified substring in either in the name, or description or +path. +)"); +} + +// -------------------------------------------------------------------- + +TEST_F(UsageReportingTest, TestUsageFlag_help_one_flag) { + flags::SetFlagsHelpMode(flags::HelpMode::kMatch); + flags::SetFlagsHelpMatchSubstr("usage_reporting_test_flag_06"); + + std::stringstream test_buf; + EXPECT_EQ(flags::HandleUsageFlags(test_buf, kTestUsageMessage), + flags::HelpMode::kMatch); EXPECT_EQ(test_buf.str(), R"(usage_test: Custom usage message Flags from absl/flags/internal/usage_test.cc: + --usage_reporting_test_flag_06 (usage_reporting_test_flag_06 help message. + + Some more help. + Even more long long long long long long long long long long long long help + message.); default: ""; + +Try --helpfull to get a list of all flags or --help=substring shows help for +flags which include specified substring in either in the name, or description or +path. +)"); +} + +// -------------------------------------------------------------------- + +TEST_F(UsageReportingTest, TestUsageFlag_help_multiple_flag) { + flags::SetFlagsHelpMode(flags::HelpMode::kMatch); + flags::SetFlagsHelpMatchSubstr("test_flag"); + + std::stringstream test_buf; + EXPECT_EQ(flags::HandleUsageFlags(test_buf, kTestUsageMessage), + flags::HelpMode::kMatch); + EXPECT_EQ( + test_buf.str(), + R"(usage_test: Custom usage message + + Flags from absl/flags/internal/usage_test.cc: --usage_reporting_test_flag_01 (usage_reporting_test_flag_01 help message); default: 101; --usage_reporting_test_flag_02 (usage_reporting_test_flag_02 help message); @@ -295,21 +396,29 @@ TEST_F(UsageReportingTest, TestUsageFlag_help) { Some more help. Even more long long long long long long long long long long long long help - message.); default: ""; + message.); default: "";)" -Try --helpfull to get a list of all flags. + "\n --usage_reporting_test_flag_07 (usage_reporting_test_flag_07 " + "help\n\n \f\v\a\b ); default: \"\r\n\f\v\a\b\t \";\n" + + R"( +Try --helpfull to get a list of all flags or --help=substring shows help for +flags which include specified substring in either in the name, or description or +path. )"); } // -------------------------------------------------------------------- TEST_F(UsageReportingTest, TestUsageFlag_helppackage) { - absl::SetFlag(&FLAGS_helppackage, true); + flags::SetFlagsHelpMode(flags::HelpMode::kPackage); std::stringstream test_buf; - EXPECT_EQ(flags::HandleUsageFlags(test_buf, kTestUsageMessage), 1); - EXPECT_EQ(test_buf.str(), - R"(usage_test: Custom usage message + EXPECT_EQ(flags::HandleUsageFlags(test_buf, kTestUsageMessage), + flags::HelpMode::kPackage); + EXPECT_EQ( + test_buf.str(), + R"(usage_test: Custom usage message Flags from absl/flags/internal/usage_test.cc: --usage_reporting_test_flag_01 (usage_reporting_test_flag_01 help message); @@ -326,19 +435,26 @@ TEST_F(UsageReportingTest, TestUsageFlag_helppackage) { Some more help. Even more long long long long long long long long long long long long help - message.); default: ""; + message.); default: "";)" -Try --helpfull to get a list of all flags. + "\n --usage_reporting_test_flag_07 (usage_reporting_test_flag_07 " + "help\n\n \f\v\a\b ); default: \"\r\n\f\v\a\b\t \";\n" + + R"( +Try --helpfull to get a list of all flags or --help=substring shows help for +flags which include specified substring in either in the name, or description or +path. )"); } // -------------------------------------------------------------------- TEST_F(UsageReportingTest, TestUsageFlag_version) { - absl::SetFlag(&FLAGS_version, true); + flags::SetFlagsHelpMode(flags::HelpMode::kVersion); std::stringstream test_buf; - EXPECT_EQ(flags::HandleUsageFlags(test_buf, kTestUsageMessage), 0); + EXPECT_EQ(flags::HandleUsageFlags(test_buf, kTestUsageMessage), + flags::HelpMode::kVersion); #ifndef NDEBUG EXPECT_EQ(test_buf.str(), "usage_test\nDebug build (NDEBUG not #defined)\n"); #else @@ -349,32 +465,41 @@ TEST_F(UsageReportingTest, TestUsageFlag_version) { // -------------------------------------------------------------------- TEST_F(UsageReportingTest, TestUsageFlag_only_check_args) { - absl::SetFlag(&FLAGS_only_check_args, true); + flags::SetFlagsHelpMode(flags::HelpMode::kOnlyCheckArgs); std::stringstream test_buf; - EXPECT_EQ(flags::HandleUsageFlags(test_buf, kTestUsageMessage), 0); + EXPECT_EQ(flags::HandleUsageFlags(test_buf, kTestUsageMessage), + flags::HelpMode::kOnlyCheckArgs); EXPECT_EQ(test_buf.str(), ""); } // -------------------------------------------------------------------- TEST_F(UsageReportingTest, TestUsageFlag_helpon) { - absl::SetFlag(&FLAGS_helpon, "bla-bla"); + flags::SetFlagsHelpMode(flags::HelpMode::kMatch); + flags::SetFlagsHelpMatchSubstr("/bla-bla."); std::stringstream test_buf_01; - EXPECT_EQ(flags::HandleUsageFlags(test_buf_01, kTestUsageMessage), 1); + EXPECT_EQ(flags::HandleUsageFlags(test_buf_01, kTestUsageMessage), + flags::HelpMode::kMatch); EXPECT_EQ(test_buf_01.str(), R"(usage_test: Custom usage message - No modules matched: use -helpfull +No flags matched. + +Try --helpfull to get a list of all flags or --help=substring shows help for +flags which include specified substring in either in the name, or description or +path. )"); - absl::SetFlag(&FLAGS_helpon, "usage_test"); + flags::SetFlagsHelpMatchSubstr("/usage_test."); std::stringstream test_buf_02; - EXPECT_EQ(flags::HandleUsageFlags(test_buf_02, kTestUsageMessage), 1); - EXPECT_EQ(test_buf_02.str(), - R"(usage_test: Custom usage message + EXPECT_EQ(flags::HandleUsageFlags(test_buf_02, kTestUsageMessage), + flags::HelpMode::kMatch); + EXPECT_EQ( + test_buf_02.str(), + R"(usage_test: Custom usage message Flags from absl/flags/internal/usage_test.cc: --usage_reporting_test_flag_01 (usage_reporting_test_flag_01 help message); @@ -391,7 +516,15 @@ TEST_F(UsageReportingTest, TestUsageFlag_helpon) { Some more help. Even more long long long long long long long long long long long long help - message.); default: ""; + message.); default: "";)" + + "\n --usage_reporting_test_flag_07 (usage_reporting_test_flag_07 " + "help\n\n \f\v\a\b ); default: \"\r\n\f\v\a\b\t \";\n" + + R"( +Try --helpfull to get a list of all flags or --help=substring shows help for +flags which include specified substring in either in the name, or description or +path. )"); } @@ -402,8 +535,10 @@ TEST_F(UsageReportingTest, TestUsageFlag_helpon) { int main(int argc, char* argv[]) { (void)absl::GetFlag(FLAGS_undefok); // Force linking of parse.cc flags::SetProgramInvocationName("usage_test"); +#if !defined(GTEST_HAS_ABSL) || !GTEST_HAS_ABSL + // GoogleTest calls absl::SetProgramUsageMessage() already. absl::SetProgramUsageMessage(kTestUsageMessage); +#endif ::testing::InitGoogleTest(&argc, argv); - return RUN_ALL_TESTS(); } |