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Diffstat (limited to 'absl/flags/usage_config_test.cc')
| -rw-r--r-- | absl/flags/usage_config_test.cc | 198 |
1 files changed, 198 insertions, 0 deletions
diff --git a/absl/flags/usage_config_test.cc b/absl/flags/usage_config_test.cc new file mode 100644 index 000000000000..3bde13af8f84 --- /dev/null +++ b/absl/flags/usage_config_test.cc @@ -0,0 +1,198 @@ +// +// Copyright 2019 The Abseil Authors. +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// https://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +#include "absl/flags/usage_config.h" + +#include "gtest/gtest.h" +#include "absl/flags/internal/path_util.h" +#include "absl/flags/internal/program_name.h" +#include "absl/strings/match.h" + +namespace { + +class FlagsUsageConfigTest : public testing::Test { + protected: + void SetUp() override { + // Install Default config for the use on this unit test. + // Binary may install a custom config before tests are run. + absl::FlagsUsageConfig default_config; + absl::SetFlagsUsageConfig(default_config); + } +}; + +namespace flags = absl::flags_internal; + +bool TstContainsHelpshortFlags(absl::string_view f) { + return absl::StartsWith(flags::Basename(f), "progname."); +} + +bool TstContainsHelppackageFlags(absl::string_view f) { + return absl::EndsWith(flags::Package(f), "aaa/"); +} + +bool TstContainsHelpFlags(absl::string_view f) { + return absl::EndsWith(flags::Package(f), "zzz/"); +} + +std::string TstVersionString() { return "program 1.0.0"; } + +std::string TstNormalizeFilename(absl::string_view filename) { + return std::string(filename.substr(2)); +} + +void TstReportUsageMessage(absl::string_view msg) {} + +// -------------------------------------------------------------------- + +TEST_F(FlagsUsageConfigTest, TestGetSetFlagsUsageConfig) { + EXPECT_TRUE(flags::GetUsageConfig().contains_helpshort_flags); + EXPECT_TRUE(flags::GetUsageConfig().contains_help_flags); + EXPECT_TRUE(flags::GetUsageConfig().contains_helppackage_flags); + EXPECT_TRUE(flags::GetUsageConfig().version_string); + EXPECT_TRUE(flags::GetUsageConfig().normalize_filename); + + absl::FlagsUsageConfig empty_config; + empty_config.contains_helpshort_flags = &TstContainsHelpshortFlags; + empty_config.contains_help_flags = &TstContainsHelpFlags; + empty_config.contains_helppackage_flags = &TstContainsHelppackageFlags; + empty_config.version_string = &TstVersionString; + empty_config.normalize_filename = &TstNormalizeFilename; + absl::SetFlagsUsageConfig(empty_config); + + EXPECT_TRUE(flags::GetUsageConfig().contains_helpshort_flags); + EXPECT_TRUE(flags::GetUsageConfig().contains_help_flags); + EXPECT_TRUE(flags::GetUsageConfig().contains_helppackage_flags); + EXPECT_TRUE(flags::GetUsageConfig().version_string); + EXPECT_TRUE(flags::GetUsageConfig().normalize_filename); +} + +// -------------------------------------------------------------------- + +TEST_F(FlagsUsageConfigTest, TestContainsHelpshortFlags) { + flags::SetProgramInvocationName("usage_config_test"); + + auto config = flags::GetUsageConfig(); + EXPECT_TRUE(config.contains_helpshort_flags("adir/cd/usage_config_test.cc")); + EXPECT_TRUE( + config.contains_helpshort_flags("aaaa/usage_config_test-main.cc")); + EXPECT_TRUE(config.contains_helpshort_flags("abc/usage_config_test_main.cc")); + EXPECT_FALSE(config.contains_helpshort_flags("usage_config_main.cc")); + + absl::FlagsUsageConfig empty_config; + empty_config.contains_helpshort_flags = &TstContainsHelpshortFlags; + absl::SetFlagsUsageConfig(empty_config); + + EXPECT_TRUE( + flags::GetUsageConfig().contains_helpshort_flags("aaa/progname.cpp")); + EXPECT_FALSE( + flags::GetUsageConfig().contains_helpshort_flags("aaa/progmane.cpp")); +} + +// -------------------------------------------------------------------- + +TEST_F(FlagsUsageConfigTest, TestContainsHelpFlags) { + flags::SetProgramInvocationName("usage_config_test"); + + auto config = flags::GetUsageConfig(); + EXPECT_TRUE(config.contains_help_flags("zzz/usage_config_test.cc")); + EXPECT_TRUE( + config.contains_help_flags("bdir/a/zzz/usage_config_test-main.cc")); + EXPECT_TRUE( + config.contains_help_flags("//aqse/zzz/usage_config_test_main.cc")); + EXPECT_FALSE(config.contains_help_flags("zzz/aa/usage_config_main.cc")); + + absl::FlagsUsageConfig empty_config; + empty_config.contains_help_flags = &TstContainsHelpFlags; + absl::SetFlagsUsageConfig(empty_config); + + EXPECT_TRUE(flags::GetUsageConfig().contains_help_flags("zzz/main-body.c")); + EXPECT_FALSE( + flags::GetUsageConfig().contains_help_flags("zzz/dir/main-body.c")); +} + +// -------------------------------------------------------------------- + +TEST_F(FlagsUsageConfigTest, TestContainsHelppackageFlags) { + flags::SetProgramInvocationName("usage_config_test"); + + auto config = flags::GetUsageConfig(); + EXPECT_TRUE(config.contains_helppackage_flags("aaa/usage_config_test.cc")); + EXPECT_TRUE( + config.contains_helppackage_flags("bbdir/aaa/usage_config_test-main.cc")); + EXPECT_TRUE(config.contains_helppackage_flags( + "//aqswde/aaa/usage_config_test_main.cc")); + EXPECT_FALSE(config.contains_helppackage_flags("aadir/usage_config_main.cc")); + + absl::FlagsUsageConfig empty_config; + empty_config.contains_helppackage_flags = &TstContainsHelppackageFlags; + absl::SetFlagsUsageConfig(empty_config); + + EXPECT_TRUE( + flags::GetUsageConfig().contains_helppackage_flags("aaa/main-body.c")); + EXPECT_FALSE( + flags::GetUsageConfig().contains_helppackage_flags("aadir/main-body.c")); +} + +// -------------------------------------------------------------------- + +TEST_F(FlagsUsageConfigTest, TestVersionString) { + flags::SetProgramInvocationName("usage_config_test"); + +#ifdef NDEBUG + std::string expected_output = "usage_config_test\n"; +#else + std::string expected_output = + "usage_config_test\nDebug build (NDEBUG not #defined)\n"; +#endif + + EXPECT_EQ(flags::GetUsageConfig().version_string(), expected_output); + + absl::FlagsUsageConfig empty_config; + empty_config.version_string = &TstVersionString; + absl::SetFlagsUsageConfig(empty_config); + + EXPECT_EQ(flags::GetUsageConfig().version_string(), "program 1.0.0"); +} + +// -------------------------------------------------------------------- + +TEST_F(FlagsUsageConfigTest, TestNormalizeFilename) { + // This tests the default implementation. + EXPECT_EQ(flags::GetUsageConfig().normalize_filename("a/a.cc"), "a/a.cc"); + EXPECT_EQ(flags::GetUsageConfig().normalize_filename("/a/a.cc"), "a/a.cc"); + EXPECT_EQ(flags::GetUsageConfig().normalize_filename("///a/a.cc"), "a/a.cc"); + EXPECT_EQ(flags::GetUsageConfig().normalize_filename("/"), ""); + + // This tests that the custom implementation is called. + absl::FlagsUsageConfig empty_config; + empty_config.normalize_filename = &TstNormalizeFilename; + absl::SetFlagsUsageConfig(empty_config); + + EXPECT_EQ(flags::GetUsageConfig().normalize_filename("a/a.cc"), "a.cc"); + EXPECT_EQ(flags::GetUsageConfig().normalize_filename("aaa/a.cc"), "a/a.cc"); + + // This tests that the default implementation is called. + empty_config.normalize_filename = nullptr; + absl::SetFlagsUsageConfig(empty_config); + + EXPECT_EQ(flags::GetUsageConfig().normalize_filename("a/a.cc"), "a/a.cc"); + EXPECT_EQ(flags::GetUsageConfig().normalize_filename("/a/a.cc"), "a/a.cc"); + EXPECT_EQ(flags::GetUsageConfig().normalize_filename("///a/a.cc"), "a/a.cc"); + EXPECT_EQ(flags::GetUsageConfig().normalize_filename("\\a\\a.cc"), "a\\a.cc"); + EXPECT_EQ(flags::GetUsageConfig().normalize_filename("//"), ""); + EXPECT_EQ(flags::GetUsageConfig().normalize_filename("\\\\"), ""); +} + +} // namespace |