public void Load_Should_Throw_Exception_On_Not_Existing_File()
{
var tempFile = GetTemporaryFile();
var repository = new CatDataRepository(new Settings(tempFile));
Assert.ThrowsAsync <FileNotFoundException>(() => repository.LoadAsync());
}
public void Load_Should_Throw_Exception_On_Bad_Data()
{
var tempFile = GetTemporaryFile();
var repository = new CatDataRepository(new Settings(tempFile));
File.WriteAllText(tempFile, "Non-JSON gibberish");
Assert.ThrowsAsync <JsonReaderException>(() => repository.LoadAsync());
}
public async Task Save_Should_Write_To_File()
{
var tempFile = GetTemporaryFile();
var repository = new CatDataRepository(new Settings(tempFile));
await repository.SaveAsync(Cats);
var contents = File.ReadAllText(tempFile);
contents.Should().Contain($"\"Name\":\"{Cats.FirstOrDefault().Name}\"");
File.Delete(tempFile);
}
public async Task Load_Should_Cat_Data()
{
var tempFile = GetTemporaryFile();
var repository = new CatDataRepository(new Settings(tempFile));
File.WriteAllText(tempFile, JsonConvert.SerializeObject(Cats));
var cats = await repository.LoadAsync();
cats.Count().Should().BeGreaterThan(0);
File.Delete(tempFile);
}
public void Save_Should_Throw_General_Exception()
{
Assert.ThrowsAsync <ArgumentNullException>(() => CatDataRepository.SaveAsync(Cats));
}
public void Load_Should_Throw_General_Exception()
{
Assert.ThrowsAsync <ArgumentNullException>(() => CatDataRepository.LoadAsync());
}
