public void CanSetMessage()
{
AssertionFailureBuilder builder = new AssertionFailureBuilder("Description");
builder.SetMessage("Message");
Assert.AreEqual("Message", builder.ToAssertionFailure().Message);
builder.SetMessage(null);
Assert.IsNull(builder.ToAssertionFailure().Message);
builder.SetMessage("New Message", null);
Assert.AreEqual("New Message", builder.ToAssertionFailure().Message);
builder.SetMessage("New Message: {0}", "Hello!");
Assert.AreEqual("New Message: Hello!", builder.ToAssertionFailure().Message);
builder.SetMessage(null, null);
Assert.IsNull(builder.ToAssertionFailure().Message);
}
/// <summary>
/// Reports an assertion failure.
/// </summary>
/// <param name="testContext"></param>
/// <param name="testInfoData"></param>
/// <param name="testStepResult"></param>
public void Run(ITestContext testContext, TestInfoData testInfoData, TestStepResult testStepResult)
{
if (testStepResult.TestOutcome == TestOutcome.Failed)
{
MbUnitCppAssertionFailure failure = testStepResult.Failure;
var builder = new AssertionFailureBuilder(failure.Description);
if (failure.HasExpectedValue && failure.HasActualValue && failure.Diffing)
{
builder.AddRawExpectedAndActualValuesWithDiffs(failure.ExpectedValue, failure.ActualValue);
}
else if (failure.HasUnexpectedValue && failure.HasActualValue && failure.Diffing)
{
builder.AddRawLabeledValuesWithDiffs("Unexpected Value", failure.UnexpectedValue, "Actual Value", failure.ActualValue);
}
else
{
if (failure.HasExpectedValue)
builder.AddRawExpectedValue(failure.ExpectedValue);
if (failure.HasActualValue)
builder.AddRawActualValue(failure.ActualValue);
if (failure.HasUnexpectedValue)
builder.AddRawLabeledValue("Unexpected Value", failure.UnexpectedValue);
}
foreach (var extra in failure.ExtraLabeledValues)
{
builder.AddRawLabeledValue(extra.First, extra.Second);
}
if (failure.Message.Length > 0)
builder.SetMessage(failure.Message);
builder.SetStackTrace(testInfoData.GetStackTraceData(failure.Line));
builder.ToAssertionFailure().WriteTo(testContext.LogWriter.Failures);
}
}
public void AutomaticStackTraceUsedIfNotSet()
{
AssertionFailureBuilder builder = new AssertionFailureBuilder("Description");
Assert.Contains(builder.ToAssertionFailure().StackTrace.ToString(), "AutomaticStackTraceUsedIfNotSet");
}
public void CanSetStackTraceToNullToOmit()
{
AssertionFailureBuilder builder = new AssertionFailureBuilder("Description");
builder.SetStackTrace(null);
Assert.IsNull(builder.ToAssertionFailure().StackTrace);
}
public void CanSetStackTrace()
{
AssertionFailureBuilder builder = new AssertionFailureBuilder("Description");
builder.SetStackTrace(new StackTraceData("Stack"));
Assert.AreEqual("Stack", builder.ToAssertionFailure().StackTrace.ToString());
}
public void ConstructorSetsDescription()
{
AssertionFailureBuilder builder = new AssertionFailureBuilder("Description");
Assert.AreEqual("Description", builder.ToAssertionFailure().Description);
}
public void CanAddInnerFailures()
{
AssertionFailure inner1 = new AssertionFailureBuilder("Inner1").ToAssertionFailure();
AssertionFailure inner2 = new AssertionFailureBuilder("Inner2").ToAssertionFailure();
AssertionFailure inner3 = new AssertionFailureBuilder("Inner3").ToAssertionFailure();
AssertionFailureBuilder builder = new AssertionFailureBuilder("Description");
builder.AddInnerFailures(new[] { inner1, inner2 });
builder.AddInnerFailure(inner3);
Assert.Over.Pairs(new[] { inner1, inner2, inner3 }, builder.ToAssertionFailure().InnerFailures,
Assert.AreEqual);
}
/// <summary>
/// Returns the diff as an assertion failure.
/// </summary>
/// <param name="expected">The expected fragment used to format the diff.</param>
/// <param name="actual">The actual fragment used to format the diff.</param>
/// <returns>The resulting assertion failure.</returns>
/// <exception cref="ArgumentNullException">Thrown if <paramref name="expected"/> or <paramref name="actual"/> is null.</exception>
public AssertionFailure ToAssertionFailure(NodeFragment expected, NodeFragment actual)
{
bool showActual = ((targets & DiffTargets.Actual) != 0);
bool showExpected = ((targets & DiffTargets.Expected) != 0);
var builder = new AssertionFailureBuilder(diffType.Description, new NullFormatter());
const XmlPathRenderingOptions options = XmlPathRenderingOptions.UseIndentation;
if (showActual && showExpected)
{
var actualFormatted = XmlPathRenderer.Run(path, actual, options);
var expectedFormatted = XmlPathRenderer.Run(path, expected, options);
builder.AddRawExpectedAndActualValuesWithDiffs(expectedFormatted, actualFormatted);
}
else if (showActual)
{
var actualFormatted = XmlPathRenderer.Run(path, actual, options);
builder.AddRawActualValue(actualFormatted);
}
else if (showExpected)
{
var expectedFormatted = XmlPathRenderer.Run(path, expected, options);
builder.AddRawExpectedValue(expectedFormatted);
}
return builder.ToAssertionFailure();
}
public void TruncatesDiffContextWhenTooLong()
{
string expectedValue = "z" + new string('x', AssertionFailure.MaxFormattedValueLength) + "z";
string actualValue = "Z" + new string('x', AssertionFailure.MaxFormattedValueLength) + "Z";
AssertionFailureBuilder builder = new AssertionFailureBuilder("description");
builder.AddRawExpectedAndActualValuesWithDiffs(expectedValue, actualValue);
AssertionFailure failure = builder.ToAssertionFailure();
TestLog.Write(failure);
int split = AssertionFailureBuilder.CompressedDiffContextLength / 2;
Assert.AreEqual("\"z" + new string('x', split) + "..." + new string('x', split) + "z\"",
failure.LabeledValues[0].FormattedValue.ToString());
Assert.AreEqual("\"Z" + new string('x', split) + "..." + new string('x', split) + "Z\"",
failure.LabeledValues[1].FormattedValue.ToString());
}
public void ShowsLabeledValuesWithDiffs_Difference()
{
AssertionFailureBuilder builder = new AssertionFailureBuilder("description");
builder.AddRawLabeledValuesWithDiffs("Left", "acde", "Right", "bcef");
DiffSet diffSet = DiffSet.GetDiffSet("\"acde\"", "\"bcef\"").Simplify();
StructuredTextWriter expectedValueWriter = new StructuredTextWriter();
diffSet.WriteTo(expectedValueWriter, DiffStyle.LeftOnly);
StructuredTextWriter actualValueWriter = new StructuredTextWriter();
diffSet.WriteTo(actualValueWriter, DiffStyle.RightOnly);
Assert.AreElementsEqual(new[]
{
new AssertionFailure.LabeledValue("Left", expectedValueWriter.ToStructuredText()),
new AssertionFailure.LabeledValue("Right", actualValueWriter.ToStructuredText())
}, builder.ToAssertionFailure().LabeledValues);
}
public void ShowsExpectedAndActualValueWithDiffs_RepresentationalEquality()
{
AssertionFailureBuilder builder = new AssertionFailureBuilder("description");
builder.AddRawExpectedAndActualValuesWithDiffs(1, 1u);
Assert.AreElementsEqual(new[]
{
new AssertionFailure.LabeledValue("Expected Value & Actual Value", new StructuredText("1")),
new AssertionFailure.LabeledValue("Remark", "Both values look the same when formatted but they are distinct instances.")
}, builder.ToAssertionFailure().LabeledValues);
}
public void ShowsExpectedAndActualValueWithDiffs_ReferentialEquality()
{
const string str = "123";
AssertionFailureBuilder builder = new AssertionFailureBuilder("description");
builder.AddRawExpectedAndActualValuesWithDiffs(str, str);
Assert.AreElementsEqual(new[]
{
new AssertionFailure.LabeledValue("Expected Value & Actual Value", new StructuredText("\"123\"")),
new AssertionFailure.LabeledValue("Remark", "Both values are the same instance.")
}, builder.ToAssertionFailure().LabeledValues);
}
public void CanAddFormattedLabeledValueAsLabeledValueStruct()
{
AssertionFailureBuilder builder = new AssertionFailureBuilder("Description");
builder.AddLabeledValue(new AssertionFailure.LabeledValue("Abc", new StructuredText("123")));
Assert.AreElementsEqual(new[]
{
new AssertionFailure.LabeledValue("Abc", new StructuredText("123"))
}, builder.ToAssertionFailure().LabeledValues);
}
public void CanAddFormattedLabeledValueAsPlainTextString()
{
AssertionFailureBuilder builder = new AssertionFailureBuilder("Description");
builder.AddLabeledValue("Abc", "123");
Assert.AreElementsEqual(new[]
{
new AssertionFailure.LabeledValue("Abc", "123")
}, builder.ToAssertionFailure().LabeledValues);
}
public void CanAddRawLabeledValue()
{
AssertionFailureBuilder builder = new AssertionFailureBuilder("Description");
builder.AddRawLabeledValue("Abc", 123);
builder.AddRawLabeledValue("Def", 3.0m);
Assert.AreElementsEqual(new[]
{
new AssertionFailure.LabeledValue("Abc", "123"),
new AssertionFailure.LabeledValue("Def", "3.0m")
}, builder.ToAssertionFailure().LabeledValues);
}
public void CanAddRawExpectedValue()
{
AssertionFailureBuilder builder = new AssertionFailureBuilder("Description");
builder.AddRawExpectedValue("Abc");
Assert.AreElementsEqual(new[]
{
new AssertionFailure.LabeledValue("Expected Value", "\"Abc\"")
}, builder.ToAssertionFailure().LabeledValues);
}
/// <summary>
/// Asserts that the XML fragment contains the searched element or attribute, that it has the expected value, and that this element or attribute is unique in the entire fragment.
/// </summary>
/// <remarks>
/// <para>
/// If <paramref name="expectedValue"/> is set to <c>null</c>, the assertion behaves like <see cref="Assert.Xml.Exists(string, IXmlPathLoose, XmlOptions, string, object[])"/>.
/// </para>
/// </remarks>
/// <param name="actualXml">The actual XML fragment.</param>
/// <param name="searchedPath">The path of the searched element or attribute in the XML fragment.</param>
/// <param name="options">Options for the search.</param>
/// <param name="expectedValue">The expected value of the searched item (element or attribute).</param>
/// <param name="messageFormat">The custom assertion message format, or null if none.</param>
/// <param name="messageArgs">The custom assertion message arguments, or null if none.</param>
/// <exception cref="AssertionException">Thrown if the verification failed unless the current <see cref="AssertionContext.AssertionFailureBehavior" /> indicates otherwise.</exception>
/// <exception cref="ArgumentNullException">Thrown if <paramref name="actualXml"/>, <paramref name="searchedPath"/>, or <paramref name="options"/> is null.</exception>
public static void IsUnique(string actualXml, IXmlPathLoose searchedPath, XmlOptions options, string expectedValue, string messageFormat, params object[] messageArgs)
{
if (actualXml == null)
throw new ArgumentNullException("actualXml");
if (searchedPath == null)
throw new ArgumentNullException("searchedPath");
if (options == null)
throw new ArgumentNullException("options");
AssertionHelper.Verify(() =>
{
NodeFragment actual;
try
{
actual = Parser.Run(actualXml, options.Value);
}
catch (XmlException exception)
{
return new AssertionFailureBuilder("Cannot parse the actual XML fragment.")
.SetMessage(messageFormat, messageArgs)
.AddException(exception)
.ToAssertionFailure();
}
int count = actual.CountAt(searchedPath, expectedValue, options.Value);
if (count == 1)
return null;
var builder = new AssertionFailureBuilder("Expected the XML fragment to contain only once the searched XML element or attribute, " +
(count == 0 ? "but none was found." : "But several were found."))
.SetMessage(messageFormat, messageArgs)
.AddLabeledValue("Item searched", searchedPath.ToString())
.AddRawLabeledValue("Number of items found", count);
if (expectedValue != null)
{
builder.AddLabeledValue("Expected value", expectedValue);
}
return builder.ToAssertionFailure();
});
}
public void CanAddExceptions()
{
AssertionFailureBuilder builder = new AssertionFailureBuilder("Description");
builder.AddException(new InvalidOperationException("Boom 1"));
builder.AddException(new InvalidOperationException("Boom 2"));
Assert.Over.Pairs(new[] { "Boom 1", "Boom 2" }, builder.ToAssertionFailure().Exceptions,
(expectedSubstring, actual) => Assert.Contains(actual.ToString(), expectedSubstring));
}
