public void Should_create_folder_when_it_does_not_exist()
{
//Arrange
var directoryPath = "ABC";
var doesFolderExist = false;
var doesFileExist = true;
var fileLoaderMock = new Mock <IFileLoaderAgent>(MockBehavior.Strict);
fileLoaderMock.Setup(x => x.GetApplicationFolderPath()).Returns(directoryPath);
fileLoaderMock.Setup(x => x.DoesDirectoryExist(directoryPath)).Returns(() => doesFolderExist).Callback(() => { doesFolderExist = true; });
fileLoaderMock.Setup(x => x.DoesFileExist(It.IsAny <string>())).Returns(() => doesFileExist).Callback(() => { doesFileExist = false; });;
fileLoaderMock.Setup(x => x.CreateDirectory(directoryPath));
fileLoaderMock.Setup(x => x.DeleteFile(It.IsAny <string>()));
fileLoaderMock.Setup(x => x.WriteAllText(It.IsAny <string>(), It.IsAny <string>()));
fileLoaderMock.Setup(x => x.ReadAllText(It.IsAny <string>())).Returns("<a/>");
var configBusiness = new ConfigBusiness(fileLoaderMock.Object);
//Act
var config = configBusiness.OpenDatabaseConfig().First();
//Assert
Assert.That(config, Is.Not.Null);
Assert.That(config.Url, Is.EqualTo(Constants.NoConfigUrl));
Assert.That(config.Username, Is.EqualTo(null));
Assert.That(config.Password, Is.EqualTo(null));
Assert.That(config.Name, Is.EqualTo(null));
fileLoaderMock.Verify(x => x.CreateDirectory(directoryPath), Times.Once);
}
