protected void ShouldVerifyTest(TestUnityProject <TAnalyzer> testProject)
{
if (string.IsNullOrWhiteSpace(_version))
{
return;
}
testProject.DisableVerifierOn(_version, _comparision);
}
protected async Task VerifyAnalyzerAsync(string source, params DiagnosticResult[] expected)
{
var testProject = new TestUnityProject <TAnalyzer>(expected.Select(w => w.Id).Distinct().ToArray());
ShouldVerifyTest(testProject);
ParseSource(testProject, source, expected);
await testProject.RunAnalyzerAsync(CancellationToken.None);
}
protected async Task VerifyCodeFixAsync(string source, DiagnosticResult[] expected, string fixedSource)
{
var testProject = new TestUnityProject <TAnalyzer>(expected.Select(w => w.Id).Distinct().ToArray());
ParseSource(testProject, source, expected);
await testProject.RunAnalyzerAsync(CancellationToken.None);
await testProject.RunCodeFixAsync <TCodeFix>(fixedSource, CancellationToken.None);
}
protected void ParseSource(TestUnityProject <TAnalyzer> testProject, string source, DiagnosticResult[] expected)
{
var sb = new StringBuilder();
var diagnostics = expected.ToList();
var line = 1;
var column = 1;
var expectedLine = 0;
var expectedColumn = 0;
var isReading = false;
var i = 0;
using var sr = new StringReader(source);
while (sr.Peek() > -1)
{
var c = sr.Read();
switch (c)
{
case '\n':
sb.Append((char)c);
line++;
column = 1;
break;
case '[' when sr.Peek() == '|':
sr.Read();
expectedLine = line;
expectedColumn = column;
isReading = true;
break;
case '|' when isReading && sr.Peek() == ']':
sr.Read();
diagnostics[i] = diagnostics[i].WithSpan(expectedLine, expectedColumn, line, column);
i++;
isReading = false;
break;
default:
sb.Append((char)c);
column++;
break;
}
}
testProject.ExpectedDiagnostics.AddRange(diagnostics);
testProject.SourceCode = sb.ToString();
}
