static void Main(string[] args)
{
//Load configuration files - configuration files are loaded general -> specific.
//Files that are loaded later overwrite the ones that are loaded earlier
ConfigurationManager.AddConfiguration("Global_Config_Standard.txt"); //Layer 0
ConfigurationManager.AddConfiguration("Global_Config_ProjectSpecific.txt"); //Layer 1
ConfigurationManager.AddConfiguration("Global_Config_ExperimentSpecifix.txt"); //Layer 2
//Configure custom model
var config = ConfigurationManager.Configure <CustomConfig>();
//When using Configure method options can be access via property accessors example
Console.WriteLine($"Number of systems: {config.NumberOfSystems}");
Console.WriteLine("Get all loaded configuration entries");
foreach (var entry in ConfigurationManager.GetAll())
{
Console.WriteLine($"{entry.Key}: {entry.Value}");
}
Console.WriteLine("Get specific entry as string");
Console.WriteLine($"OrdersPerHour: {ConfigurationManager.GetValueAsString("OrdersPerHour")}");
Console.WriteLine($"OrderLinesPerOrder: {ConfigurationManager.GetValueAsString("OrderLinesPerOrder")}");
Console.WriteLine("Get specific entry casted");
Console.WriteLine($"OrdersPerHour: {ConfigurationManager.GetValue<int>("OrdersPerHour")}");
//Throws exception if wrong cast
//Console.WriteLine($"{ConfigurationManager.GetValue<bool>("OrdersPerHour")}");
Console.Read();
}
public void CanChainConfiguration()
{
// Arrange
var dic1 = new Dictionary <string, string>()
{
{ "Mem1:KeyInMem1", "ValueInMem1" }
};
var dic2 = new Dictionary <string, string>()
{
{ "Mem2:KeyInMem2", "ValueInMem2" }
};
var dic3 = new Dictionary <string, string>()
{
{ "Mem3:KeyInMem3", "ValueInMem3" }
};
var memConfigSrc1 = new MemoryConfigurationSource {
InitialData = dic1
};
var memConfigSrc2 = new MemoryConfigurationSource {
InitialData = dic2
};
var memConfigSrc3 = new MemoryConfigurationSource {
InitialData = dic3
};
var config = new ConfigurationManager();
IConfigurationBuilder configurationBuilder = config;
// Act
configurationBuilder.Add(memConfigSrc1);
configurationBuilder.Add(memConfigSrc2);
configurationBuilder.Add(memConfigSrc3);
var chained = new ConfigurationManager();
chained.AddConfiguration(config);
var memVal1 = chained["mem1:keyinmem1"];
var memVal2 = chained["Mem2:KeyInMem2"];
var memVal3 = chained["MEM3:KEYINMEM3"];
// Assert
Assert.Equal("ValueInMem1", memVal1);
Assert.Equal("ValueInMem2", memVal2);
Assert.Equal("ValueInMem3", memVal3);
Assert.Null(chained["NotExist"]);
}
public void ChainedConfigurationIsDisposedOnDispose(bool shouldDispose)
{
var provider = new DisposableTestConfigurationProvider("foo", "foo-value");
var chainedConfig = new ConfigurationRoot(new IConfigurationProvider[] {
provider
});
var config = new ConfigurationManager();
config.AddConfiguration(chainedConfig, shouldDisposeConfiguration: shouldDispose);
Assert.False(provider.IsDisposed);
config.Dispose();
Assert.Equal(shouldDispose, provider.IsDisposed);
}
public void ChainedAsEnumerateFlattensIntoDictionaryTest(bool removePath)
{
// Arrange
var dic1 = new Dictionary <string, string>()
{
{ "Mem1", "Value1" },
{ "Mem1:", "NoKeyValue1" },
{ "Mem1:KeyInMem1", "ValueInMem1" },
{ "Mem1:KeyInMem1:Deep1", "ValueDeep1" }
};
var dic2 = new Dictionary <string, string>()
{
{ "Mem2", "Value2" },
{ "Mem2:", "NoKeyValue2" },
{ "Mem2:KeyInMem2", "ValueInMem2" },
{ "Mem2:KeyInMem2:Deep2", "ValueDeep2" }
};
var dic3 = new Dictionary <string, string>()
{
{ "Mem3", "Value3" },
{ "Mem3:", "NoKeyValue3" },
{ "Mem3:KeyInMem3", "ValueInMem3" },
{ "Mem3:KeyInMem3:Deep3", "ValueDeep3" }
};
var memConfigSrc1 = new MemoryConfigurationSource {
InitialData = dic1
};
var memConfigSrc2 = new MemoryConfigurationSource {
InitialData = dic2
};
var memConfigSrc3 = new MemoryConfigurationSource {
InitialData = dic3
};
var config1 = new ConfigurationManager();
IConfigurationBuilder configurationBuilder = config1;
// Act
configurationBuilder.Add(memConfigSrc1);
configurationBuilder.Add(memConfigSrc2);
var config2 = new ConfigurationManager();
config2
.AddConfiguration(config1)
.Add(memConfigSrc3);
var dict = config2.AsEnumerable(makePathsRelative: removePath).ToDictionary(k => k.Key, v => v.Value);
// Assert
Assert.Equal("Value1", dict["Mem1"]);
Assert.Equal("NoKeyValue1", dict["Mem1:"]);
Assert.Equal("ValueDeep1", dict["Mem1:KeyInMem1:Deep1"]);
Assert.Equal("ValueInMem2", dict["Mem2:KeyInMem2"]);
Assert.Equal("Value2", dict["Mem2"]);
Assert.Equal("NoKeyValue2", dict["Mem2:"]);
Assert.Equal("ValueDeep2", dict["Mem2:KeyInMem2:Deep2"]);
Assert.Equal("Value3", dict["Mem3"]);
Assert.Equal("NoKeyValue3", dict["Mem3:"]);
Assert.Equal("ValueInMem3", dict["Mem3:KeyInMem3"]);
Assert.Equal("ValueDeep3", dict["Mem3:KeyInMem3:Deep3"]);
}