public void AllStackFramesAreConvertedIfSizeOfParsedStackIsLessOrEqualToMaximum()
{
var exp = this.CreateException(42);
ExceptionDetails expDetails = ExceptionConverter.ConvertToExceptionDetails(exp, null);
Assert.Equal(43, expDetails.parsedStack.Count);
Assert.True(expDetails.hasFullStack);
}
public void EmptyStringIsReturnedForExceptionWithoutStack()
{
var exp = new ArgumentException();
ExceptionDetails expDetails = ExceptionConverter.ConvertToExceptionDetails(exp, null);
Assert.Equal(string.Empty, expDetails.stack);
Assert.Equal(0, expDetails.parsedStack.Count);
// hasFullStack defaults to true.
Assert.True(expDetails.hasFullStack);
}
public void CheckThatAssemblyNameHasCorrectValue()
{
var exp = this.CreateException(2);
ExceptionDetails expDetails = ExceptionConverter.ConvertToExceptionDetails(exp, null);
string assemblyFullName = Assembly.GetExecutingAssembly().FullName;
foreach (var stackFrame in expDetails.parsedStack)
{
Assert.Equal(assemblyFullName.ToLowerInvariant(), stackFrame.assembly.ToLowerInvariant());
}
}
public void TestFirstAndLastStackPointsAreCollectedForLongStack()
{
var exp = this.CreateException(300);
ExceptionDetails expDetails = ExceptionConverter.ConvertToExceptionDetails(exp, null);
Assert.False(expDetails.hasFullStack);
Assert.True(expDetails.parsedStack.Count < 300);
// We should keep top of stack, and end of stack hence CreateException function should be present
Assert.Equal("Microsoft.ApplicationInsights.Extensibility.Implementation.ExceptionConverterTest.FailedFunction", expDetails.parsedStack[0].method);
Assert.Equal("Microsoft.ApplicationInsights.Extensibility.Implementation.ExceptionConverterTest.CreateException", expDetails.parsedStack[expDetails.parsedStack.Count - 1].method);
}
public void SizeOfParsedStackFrameIsLessThanMaxValue()
{
var exp = this.CreateException(300);
ExceptionDetails expDetails = ExceptionConverter.ConvertToExceptionDetails(exp, null);
int parsedStackLength = 0;
var stack = expDetails.parsedStack;
for (int i = 0; i < stack.Count; i++)
{
parsedStackLength += (stack[i].method == null ? 0 : stack[i].method.Length)
+ (stack[i].assembly == null ? 0 : stack[i].assembly.Length)
+ (stack[i].fileName == null ? 0 : stack[i].fileName.Length);
}
Assert.True(parsedStackLength <= ExceptionConverter.MaxParsedStackLength);
}
public void CheckLevelCorrespondsToFrameForLongStack()
{
const int NumberOfStackFrames = 100;
var exp = this.CreateException(NumberOfStackFrames - 1);
ExceptionDetails expDetails = ExceptionConverter.ConvertToExceptionDetails(exp, null);
var stack = expDetails.parsedStack;
// Checking levels for first few and last few.
for (int i = 0; i < 10; ++i)
{
Assert.Equal(i, stack[i].level);
}
for (int j = NumberOfStackFrames - 1, i = 0; j > NumberOfStackFrames - 10; --j, i++)
{
Assert.Equal(j, stack[stack.Count - 1 - i].level);
}
}
public void TestNullMethodInfoInStack()
{
var frameMock = new Mock <System.Diagnostics.StackFrame>(null, 0, 0);
frameMock.Setup(x => x.GetMethod()).Returns((MethodBase)null);
External.StackFrame stackFrame = null;
try
{
stackFrame = ExceptionConverter.GetStackFrame(frameMock.Object, 0);
}
catch (Exception e)
{
Assert.Fail("GetStackFrame threw " + e);
}
Assert.AreEqual("unknown", stackFrame.assembly);
Assert.AreEqual(null, stackFrame.fileName);
Assert.AreEqual("unknown", stackFrame.method);
Assert.AreEqual(0, stackFrame.line);
}
public void CheckThatFileNameAndLineAreCorrectIfAvailable()
{
var exp = this.CreateException(1);
StackTrace st = new StackTrace(exp, true);
var frame = st.GetFrame(0);
var line = frame.GetFileLineNumber();
var fileName = frame.GetFileName();
ExceptionDetails expDetails = ExceptionConverter.ConvertToExceptionDetails(exp, null);
var stack = expDetails.parsedStack;
if (line != 0)
{
Assert.Equal(line, stack[0].line);
Assert.Equal(fileName, stack[0].fileName);
}
else
{
Assert.Equal(0, stack[0].line);
Assert.Null(stack[0].fileName);
}
}
public void CallingConvertToExceptionDetailsWithNullExceptionThrowsArgumentNullException()
{
Assert.Throws <ArgumentNullException>(() => ExceptionConverter.ConvertToExceptionDetails(null, null));
}
