public void Correctly_determines_existing_deployment_with_version_number_is_valid()
		{
			IDeploymentSelectionValidator validator = new DeploymentSelectionValidator();

			Assert.That(validator.IsValid("845", new Deployment()));
		}
		public void Correctly_determines_null_deployment_with_empty_version_number_is_invalid()
		{
			IDeploymentSelectionValidator validator = new DeploymentSelectionValidator();

			Assert.That(validator.IsValid(string.Empty, null), Is.False);
		}
		public void Correctly_determines_null_deployment_is_invalid()
		{
			IDeploymentSelectionValidator validator = new DeploymentSelectionValidator();
			
			Assert.That(validator.IsValid("845", null), Is.False);
		}