public void ProcessEnvHigherThanUserConfig()
{
const string retryKey = "Retry";
const string envName = "ENV_FOR_RETRY";
var config = new SimpleTypedConfig <int>(retryKey, "", -1, envName);
var path = Path.GetRandomFileName();
var dataStore = new MockDataStore();
dataStore.WriteFile(path,
@"{
""Az"": {
""Retry"": 100
}
}");
var env = new MockEnvironmentVariableProvider();
env.Set(envName, "10", System.EnvironmentVariableTarget.Process);
IConfigManager icm = GetConfigManager(
new InitSettings()
{
DataStore = dataStore,
Path = path,
EnvironmentVariableProvider = env
},
config);
Assert.Equal(10, icm.GetConfigValue <int>(retryKey));
}
public void ProcessConfigHigherThanProcessEnv()
{
const string retryKey = "Retry";
const string envName = "ENV_FOR_RETRY";
var config = new SimpleTypedConfig <int>(retryKey, "", -1, envName);
var env = new MockEnvironmentVariableProvider();
env.Set(envName, "10", System.EnvironmentVariableTarget.Process);
IConfigManager icm = GetConfigManager(
new InitSettings()
{
EnvironmentVariableProvider = env
},
config);
icm.UpdateConfig(new UpdateConfigOptions(retryKey, 100, ConfigScope.Process));
Assert.Equal(100, icm.GetConfigValue <int>(retryKey));
}
public void ShouldNotThrowWhenEnvVarIsWrong()
{
const string key = "FromEnv";
const string envKey = "ENV_VAR_FOR_CONFIG";
const int defaultValue = -1;
var config = new SimpleTypedConfig <int>(key, "", defaultValue, envKey);
const bool valueWithWrongType = true;
IEnvironmentVariableProvider env = new MockEnvironmentVariableProvider();
env.Set(envKey, valueWithWrongType.ToString());
var configurationManager = GetConfigManager(
new InitSettings()
{
EnvironmentVariableProvider = env
},
config);
Assert.Equal(defaultValue, configurationManager.GetConfigValue <int>(key));
}
public void CanGetFromEnvironmentVar()
{
const string key = "FromEnv";
const string envKey = "ENV_VAR_FOR_CONFIG";
var config = new SimpleTypedConfig <int>(key, "", -1, envKey);
const int value = 20;
IEnvironmentVariableProvider env = new MockEnvironmentVariableProvider();
env.Set(envKey, value.ToString());
var configurationManager = GetConfigManager(
new InitSettings()
{
EnvironmentVariableProvider = env
},
config);
Assert.Equal(value, configurationManager.GetConfigValue <int>(key));
}
/// <summary>
/// Initializes and returns an <see cref="IConfigManager"/> with the specified configs registered with initial state.
/// </summary>
/// <param name="configFileWriter">An action to set up the config file before config manager initializes.</param>
/// <param name="envVarWriter">An action to set up the environments before config manager initializes.</param>
/// <param name="config">Definitions of configs to be registered to the config manager.</param>
/// <returns>A config manager with initial state, ready to use.</returns>
protected IConfigManager GetConfigManagerWithInitState(Action <MockDataStore, string> configFileWriter, Action <MockEnvironmentVariableProvider> envVarWriter, params ConfigDefinition[] config)
{
if (configFileWriter == null)
{
configFileWriter = _noopFileWriter;
}
if (envVarWriter == null)
{
envVarWriter = _noopEnvVarWriter;
}
string configPath = Path.GetRandomFileName();
var mockDataStore = new MockDataStore();
configFileWriter(mockDataStore, configPath);
var environmentVariables = new MockEnvironmentVariableProvider();
envVarWriter(environmentVariables);
ConfigInitializer ci = new ConfigInitializer(new List <string>()
{
configPath
})
{
DataStore = mockDataStore,
EnvironmentVariableProvider = environmentVariables
};
IConfigManager icm = ci.GetConfigManager();
foreach (var configDefinition in config)
{
icm.RegisterConfig(configDefinition);
}
icm.BuildConfig();
return(icm);
}
