public void TestUnexistingKeyReturnsNull()
{
_manager = new AppConfigProvider();
var value = _manager.Get("nonExisting");
Assert.IsNull(value);
}
public void TestNoProviderReturnsEmptyString()
{
try
{
_manager = new AppConfigProvider();
ConfigurationManager.AppSettings["existingKey"] = "myValue";
var value = _manager.Get("existingKey");
Assert.AreEqual("myValue", value);
}
finally
{
ConfigurationManager.AppSettings["existingKey"] = null;
}
}