/// <summary>
/// Lines that already have comments aren't automatically tested, so if a line changes order in a conversion, just add a comment to that line.
/// If there's a comment conversion issue, set the optional incompatibleWithAutomatedCommentTesting to true
/// </summary>
private async Task AssertLineCommentsConvertedInSameOrderAsync <TLanguageConversion>(string source, TextConversionOptions conversion, string singleLineCommentStart, Func <string, bool> lineCanHaveComment) where TLanguageConversion : ILanguageConversion, new()
{
var(sourceLinesWithComments, lineNumbersAdded) = AddLineNumberComments(source, singleLineCommentStart, AutoTestCommentPrefix, lineCanHaveComment);
string sourceWithComments = string.Join(Environment.NewLine, sourceLinesWithComments);
var convertedCode = await ConvertAsync <TLanguageConversion>(sourceWithComments, conversion);
var convertedCommentLineNumbers = convertedCode.Split(new[] { AutoTestCommentPrefix }, StringSplitOptions.None)
.Skip(1).Select(afterPrefix => afterPrefix.Split('\n')[0].TrimEnd()).ToList();
var missingSourceLineNumbers = lineNumbersAdded.Except(convertedCommentLineNumbers);
if (missingSourceLineNumbers.Any())
{
Assert.False(true, "Comments not converted from source lines: " + string.Join(", ", missingSourceLineNumbers) + GetSourceAndConverted(sourceWithComments, convertedCode));
}
OurAssert.Equal(string.Join(", ", lineNumbersAdded), string.Join(", ", convertedCommentLineNumbers), () => GetSourceAndConverted(sourceWithComments, convertedCode));
}
private static void AssertCodeEqual(string originalSource, string expectedConversion, string actualConversion)
{
OurAssert.EqualIgnoringNewlines(expectedConversion, actualConversion, () =>
{
StringBuilder sb = OurAssert.DescribeStringDiff(expectedConversion, actualConversion);
sb.AppendLine(OurAssert.LineSplitter);
sb.AppendLine("source:");
sb.AppendLine(originalSource);
if (RecharacterizeByWritingExpectedOverActual)
{
TestFileRewriter.UpdateFiles(expectedConversion, actualConversion);
}
return(sb.ToString());
});
Assert.False(RecharacterizeByWritingExpectedOverActual, $"Test setup issue: Set {nameof(RecharacterizeByWritingExpectedOverActual)} to false after using it");
}
