public void SimpleCompilerDiagnostics()
{
var source = @"
public class C
{
private int x;
}";
var sourceFile = Temp.CreateFile().WriteAllText(source).Path;
var errorLogDir = Temp.CreateDirectory();
var errorLogFile = Path.Combine(errorLogDir.Path, "ErrorLog.txt");
var cmd = new MockCSharpCompiler(null, _baseDirectory, new[] {
"/nologo", sourceFile, "/preferreduilang:en", $"/errorlog:{errorLogFile}"
});
var outWriter = new StringWriter(CultureInfo.InvariantCulture);
var exitCode = cmd.Run(outWriter);
var actualConsoleOutput = outWriter.ToString().Trim();
Assert.Contains("CS0169", actualConsoleOutput);
Assert.Contains("CS5001", actualConsoleOutput);
Assert.NotEqual(0, exitCode);
var actualOutput = File.ReadAllText(errorLogFile).Trim();
var expectedHeader = GetExpectedErrorLogHeader(actualOutput, cmd);
var expectedIssues = string.Format(@"
""results"": [
{{
""ruleId"": ""CS0169"",
""kind"": ""warning"",
""locations"": [
{{
""analysisTarget"": [
{{
""uri"": ""{0}"",
""region"": {{
""startLine"": 4,
""startColumn"": 17,
""endLine"": 4,
""endColumn"": 18
}}
}}
]
}}
],
""fullMessage"": ""The field 'C.x' is never used"",
""isSuppressedInSource"": false,
""tags"": [
""Compiler"",
""Telemetry""
],
""properties"": {{
""severity"": ""Warning"",
""warningLevel"": ""3"",
""defaultSeverity"": ""Warning"",
""title"": ""Field is never used"",
""category"": ""Compiler"",
""isEnabledByDefault"": ""True""
}}
}},
{{
""ruleId"": ""CS5001"",
""kind"": ""error"",
""locations"": [
],
""fullMessage"": ""Program does not contain a static 'Main' method suitable for an entry point"",
""isSuppressedInSource"": false,
""tags"": [
""Compiler"",
""Telemetry"",
""NotConfigurable""
],
""properties"": {{
""severity"": ""Error"",
""defaultSeverity"": ""Error"",
""category"": ""Compiler"",
""isEnabledByDefault"": ""True""
}}
}}
]
}}
]
}}", AnalyzerForErrorLogTest.GetEscapedUriForPath(sourceFile));
var expectedText = expectedHeader + expectedIssues;
Assert.Equal(expectedText, actualOutput);
CleanupAllGeneratedFiles(sourceFile);
CleanupAllGeneratedFiles(errorLogFile);
}