public void ParameterProvider_should_throw_ConfigurationErrorsException_when_key_does_not_exist()
{
//Arrange
var provider = new AppConfigConfigurationParameterProvider();
//Assert
Assert.Throws<ConfigurationErrorsException>(() => provider.GetString("ErrorTest1"));
}
public void ParameterProvider_should_return_the_value_specified_in_the_configuration_file()
{
//Arrange
var provider = new AppConfigConfigurationParameterProvider();
//Assert
Assert.AreEqual(ConfigurationManager.AppSettings["KeyTest1"], provider.GetString("KeyTest1"));
}
public void ParameterProvider_exception_should_contain_parameter_key()
{
//Arrange
var parameterKey = "ErrorTest1";
var provider = new AppConfigConfigurationParameterProvider();
//Assert
var exc=Assert.Throws<ConfigurationErrorsException>(() => provider.GetString(parameterKey));
exc.Message.Should().Contain(parameterKey);
}