public void CheckForSession_PathIsNullOrEmpty_SnapshotTestException(string path)
{
// arrange
var snapshotFullName = new SnapshotFullName("filename", path);
// act
Func <SnapshotFullName> action = () => LiveUnitTestingDirectoryResolver
.CheckForSession(snapshotFullName);
// assert
action.Should().Throw <SnapshotTestException>();
}
public void TryResolveName_NoFileMatch_ResultIsNull()
{
// arrange
ArrangeLiveUnitTestDirectory("Test2.cs");
var testName = "Test1.Foo";
// act
SnapshotFullName fullName = LiveUnitTestingDirectoryResolver
.TryResolveName(testName);
// assert
fullName.Should().BeNull();
}
public void CheckForSession_PathSet_ReturnSame()
{
// arrange
var snapshotFullName = new SnapshotFullName("filename", "dirname");
// act
SnapshotFullName fullNameResult = LiveUnitTestingDirectoryResolver
.CheckForSession(snapshotFullName);
// assert
fullNameResult.Should().NotBeNull();
fullNameResult.Filename.Should().Be(snapshotFullName.Filename);
fullNameResult.FolderPath.Should().Be(snapshotFullName.FolderPath);
}
public void TryResolveName_TwoFiles_SnapshotTestException()
{
// arrange
ArrangeLiveUnitTestDirectory("Test1.cs", "Test1.cs");
var testName = "Test1.Foo";
// act
Func <SnapshotFullName> action =
() => LiveUnitTestingDirectoryResolver
.TryResolveName(testName);
// assert
action.Should().Throw <SnapshotTestException>();
}
public void TryResolveName_OneFile_FullNameCorrect()
{
// arrange
var tempDir = ArrangeLiveUnitTestDirectory("Test1.cs");
var testName = "Test1.Foo";
// act
SnapshotFullName fullName = LiveUnitTestingDirectoryResolver
.TryResolveName(testName);
// assert
fullName.Should().NotBeNull();
fullName.FolderPath.Should().Be(Path.Combine(tempDir, "1"));
fullName.Filename.Should().Be(testName);
}
/// <summary>
/// Evaluates the snapshot full name information.
/// </summary>
/// <returns>The full name of the snapshot.</returns>
public SnapshotFullName ReadSnapshotFullName()
{
SnapshotFullName snapshotFullName = null;
StackFrame[] stackFrames = new StackTrace(true).GetFrames();
foreach (StackFrame stackFrame in stackFrames)
{
MethodBase method = stackFrame.GetMethod();
if (IsNUnitTestMethod(method))
{
snapshotFullName = new SnapshotFullName(
GetCurrentSnapshotName(),
Path.GetDirectoryName(stackFrame.GetFileName()));
break;
}
MethodBase asyncMethod = EvaluateAsynchronMethodBase(method);
if (IsNUnitTestMethod(asyncMethod))
{
snapshotFullName = new SnapshotFullName(
GetCurrentSnapshotName(),
Path.GetDirectoryName(stackFrame.GetFileName()));
break;
}
}
if (snapshotFullName == null)
{
throw new SnapshotTestException(
"The snapshot full name could not be evaluated. " +
"This error can occur, if you use the snapshot match " +
"within a async test helper child method. To solve this issue, " +
"use the Snapshot.FullName directly in the unit test to " +
"get the snapshot name, then reach this name to your " +
"Snapshot.Match method.");
}
snapshotFullName = LiveUnitTestingDirectoryResolver
.CheckForSession(snapshotFullName);
return(snapshotFullName);
}
