public void AddXmlFile_ThrowsIfFileDoesNotExistAtPath()
{
// Arrange
var path = Path.Combine(Directory.GetCurrentDirectory(), "file-does-not-exist.xml");
var builder = new ConfigurationBuilder();
// Act and Assert
var ex = Assert.Throws <FileNotFoundException>(() => XmlConfigurationExtension.AddXmlFile(builder, path));
Assert.Equal($"The configuration file '{path}' was not found and is not optional.", ex.Message);
}
public void AddXmlFile_ThrowsIfFilePathIsNullOrEmpty(string path)
{
// Arrange
var builder = new ConfigurationBuilder();
// Act and Assert
var ex = Assert.Throws <ArgumentException>(() => XmlConfigurationExtension.AddXmlFile(builder, path));
Assert.Equal("path", ex.ParamName);
Assert.StartsWith("File path must be a non-empty string.", ex.Message);
}