public void FromEnvironmentProviderTest_NullRetrieval()
{
var fromEnvironmentProvider = new FromEnvironmentProvider();
Environment.SetEnvironmentVariable("ExistingKey", "ExistingKeyValue");
var nullKeyValue = fromEnvironmentProvider.GetRawSetting(null);
}
public void FromEnvironmentProviderTest_NonExistingRetrieval()
{
var fromEnvironmentProvider = new FromEnvironmentProvider();
Environment.SetEnvironmentVariable("ExistingKey", "ExistingKeyValue");
var notExistingKeyValue = fromEnvironmentProvider.GetRawSetting("NotExistingKey");
Assert.IsNull(notExistingKeyValue, "Not existing key value is not null!");
}
public void FromEnvironmentProviderTest_SimpleRetrieval()
{
var fromEnvironmentProvider = new FromEnvironmentProvider();
Environment.SetEnvironmentVariable("ExistingKey", "ExistingKeyValue");
var existingKeyValue = fromEnvironmentProvider.GetRawSetting("ExistingKey");
Assert.AreEqual("ExistingKeyValue", existingKeyValue);
}