public void TryReadAsBase64_should_return_expected_results()
{
var fileResolver = new FileResolver();
var tempFile = Path.Combine(Path.GetTempPath(), $"BICEP_TEST_{Guid.NewGuid()}");
var tempFileUri = PathHelper.FilePathToFileUrl(tempFile);
File.WriteAllText(tempFile, "abcd\r\ndef\r\n\r\nghi");
fileResolver.TryReadAsBase64(tempFileUri, out var fileContents, out var failureMessage).Should().BeTrue();
fileContents.Should().Equals("YWJjZA0KZGVmDQoNCmdoaQ==");
failureMessage.Should().BeNull();
fileResolver.TryReadAsBase64(tempFileUri, out fileContents, out failureMessage, 8).Should().BeFalse();
fileContents.Should().BeNull();
failureMessage.Should().NotBeNull();
Core.Diagnostics.DiagnosticBuilder.DiagnosticBuilderInternal diag = new(new Core.Parsing.TextSpan(0, 5));
var err = failureMessage !.Invoke(diag);
err.Message.Should().Contain($"{8 / 4 * 3} bytes");
File.Delete(tempFile);
fileResolver.TryReadAsBase64(tempFileUri, out fileContents, out failureMessage).Should().BeFalse();
fileContents.Should().BeNull();
failureMessage.Should().NotBeNull();
}