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tests/config.cc: add tests for Config::applyConfig

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This commit is contained in:
Andreas Rammhold 2020-05-27 14:41:01 +02:00
parent e1b8c64c04
commit 9df3d8ccd7
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1 changed files with 60 additions and 0 deletions
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60
src/libutil/tests/config.cc
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@ -201,4 +201,64 @@ namespace nix {
config.reapplyUnknownSettings();
ASSERT_EQ(setting.get(), "unknownvalue");
}
TEST(Config, applyConfigEmpty) {
Config config;
std::map<std::string, Config::SettingInfo> settings;
config.applyConfig("");
config.getSettings(settings);
ASSERT_TRUE(settings.empty());
}
TEST(Config, applyConfigEmptyWithComment) {
Config config;
std::map<std::string, Config::SettingInfo> settings;
config.applyConfig("# just a comment");
config.getSettings(settings);
ASSERT_TRUE(settings.empty());
}
TEST(Config, applyConfigAssignment) {
Config config;
std::map<std::string, Config::SettingInfo> settings;
Setting<std::string> setting{&config, "", "name-of-the-setting", "description"};
config.applyConfig(
"name-of-the-setting = value-from-file #useful comment\n"
"# name-of-the-setting = foo\n"
);
config.getSettings(settings);
ASSERT_FALSE(settings.empty());
ASSERT_EQ(settings["name-of-the-setting"].value, "value-from-file");
}
TEST(Config, applyConfigWithReassignedSetting) {
Config config;
std::map<std::string, Config::SettingInfo> settings;
Setting<std::string> setting{&config, "", "name-of-the-setting", "description"};
config.applyConfig(
"name-of-the-setting = first-value\n"
"name-of-the-setting = second-value\n"
);
config.getSettings(settings);
ASSERT_FALSE(settings.empty());
ASSERT_EQ(settings["name-of-the-setting"].value, "second-value");
}
TEST(Config, applyConfigFailsOnMissingIncludes) {
Config config;
std::map<std::string, Config::SettingInfo> settings;
Setting<std::string> setting{&config, "", "name-of-the-setting", "description"};
ASSERT_THROW(config.applyConfig(
"name-of-the-setting = value-from-file\n"
"# name-of-the-setting = foo\n"
"include /nix/store/does/not/exist.nix"
), Error);
}
TEST(Config, applyConfigInvalidThrows) {
Config config;
ASSERT_THROW(config.applyConfig("value == key"), UsageError);
ASSERT_THROW(config.applyConfig("value "), UsageError);
}
}