public void DoubleWriteReportedForPathOrderedBefore()
{
BuildXLContext context = BuildXLContext.CreateInstanceForTesting();
var graph = new QueryablePipDependencyGraph(context);
var analyzer = new TestFileMonitoringViolationAnalyzer(LoggingContext, context, graph);
AbsolutePath violatorOutput = CreateAbsolutePath(context, JunkPath);
AbsolutePath producerOutput = CreateAbsolutePath(context, DoubleWritePath);
Process producer = graph.AddProcess(producerOutput);
Process violator = graph.AddProcess(violatorOutput);
analyzer.AnalyzePipViolations(
violator,
new[] { CreateViolation(RequestedAccess.ReadWrite, producerOutput) },
new ReportedFileAccess[0],
exclusiveOpaqueDirectoryContent: null,
sharedOpaqueDirectoryWriteAccesses: null,
allowedUndeclaredReads: null,
absentPathProbesUnderOutputDirectories: null);
analyzer.AssertContainsViolation(
new DependencyViolation(
FileMonitoringViolationAnalyzer.DependencyViolationType.DoubleWrite,
FileMonitoringViolationAnalyzer.AccessLevel.Write,
producerOutput,
violator,
producer),
"The violator is after the producer, so this should be a double-write on the produced path.");
analyzer.AssertNoExtraViolationsCollected();
AssertErrorEventLogged(EventId.FileMonitoringError);
}
public void ReadLevelViolationReportedForUnknownPath()
{
BuildXLContext context = BuildXLContext.CreateInstanceForTesting();
var graph = new QueryablePipDependencyGraph(context);
var analyzer = new TestFileMonitoringViolationAnalyzer(LoggingContext, context, graph);
AbsolutePath unknown = CreateAbsolutePath(context, X("/X/out/unknown"));
AbsolutePath produced = CreateAbsolutePath(context, ProducedPath);
Process process = graph.AddProcess(produced);
analyzer.AnalyzePipViolations(
process,
new[] { CreateViolation(RequestedAccess.Read, unknown) },
new ReportedFileAccess[0],
exclusiveOpaqueDirectoryContent: null,
sharedOpaqueDirectoryWriteAccesses: null,
allowedUndeclaredReads: null,
absentPathProbesUnderOutputDirectories: null);
analyzer.AssertContainsViolation(
new DependencyViolation(
FileMonitoringViolationAnalyzer.DependencyViolationType.MissingSourceDependency,
FileMonitoringViolationAnalyzer.AccessLevel.Read,
unknown,
process,
null),
"A MissingSourceDependency should have been reported with no suggested value");
analyzer.AssertNoExtraViolationsCollected();
AssertErrorEventLogged(EventId.FileMonitoringError);
}
public void InvalidAccessedPathExcludedFromAnalysis()
{
BuildXLContext context = BuildXLContext.CreateInstanceForTesting();
var graph = new QueryablePipDependencyGraph(context);
var analyzer = new TestFileMonitoringViolationAnalyzer(LoggingContext, context, graph);
var declaredOuput = CreateAbsolutePath(context, X("/X/out/declared"));
var process = graph.AddProcess(declaredOuput);
var result = analyzer.AnalyzePipViolations(
process,
new[]
{
CreateViolationForInvalidPath(RequestedAccess.Read, X("c/invalid:name_1.txt"))
},
new[]
{
CreateViolationForInvalidPath(RequestedAccess.Read, X("c/invalid:name_2.txt"))
},
exclusiveOpaqueDirectoryContent: null,
sharedOpaqueDirectoryWriteAccesses: null,
allowedUndeclaredReads: null,
absentPathProbesUnderOutputDirectories: null
);
XAssert.IsTrue(result.IsViolationClean);
}
public void UndeclaredOutput()
{
BuildXLContext context = BuildXLContext.CreateInstanceForTesting();
var graph = new QueryablePipDependencyGraph(context);
var analyzer = new TestFileMonitoringViolationAnalyzer(LoggingContext, context, graph);
AbsolutePath declaredOutput = CreateAbsolutePath(context, X("/X/out/produced1"));
AbsolutePath undeclaredOutput = CreateAbsolutePath(context, X("/X/out/produced2"));
Process producer = graph.AddProcess(declaredOutput);
analyzer.AnalyzePipViolations(
producer,
new[]
{
CreateViolation(RequestedAccess.Write, undeclaredOutput),
},
new ReportedFileAccess[0],
exclusiveOpaqueDirectoryContent: null,
sharedOpaqueDirectoryWriteAccesses: null,
allowedUndeclaredReads: null,
absentPathProbesUnderOutputDirectories: null);
analyzer.AssertContainsViolation(
new DependencyViolation(
FileMonitoringViolationAnalyzer.DependencyViolationType.UndeclaredOutput,
FileMonitoringViolationAnalyzer.AccessLevel.Write,
undeclaredOutput,
producer,
null),
"The violator has an undeclared output but it wasn't reported.");
AssertErrorEventLogged(EventId.FileMonitoringError);
}
public void UndeclaredReadCycleReportedForPathOrderedAfter()
{
BuildXLContext context = BuildXLContext.CreateInstanceForTesting();
var graph = new QueryablePipDependencyGraph(context);
var analyzer = new TestFileMonitoringViolationAnalyzer(LoggingContext, context, graph);
AbsolutePath violatorOutput = CreateAbsolutePath(context, JunkPath);
AbsolutePath producerOutput = CreateAbsolutePath(context, ProducedPath);
Process violator = graph.AddProcess(violatorOutput);
Process producer = graph.AddProcess(producerOutput);
analyzer.AnalyzePipViolations(
violator,
new[] { CreateViolation(RequestedAccess.Read, producerOutput) },
new ReportedFileAccess[0],
exclusiveOpaqueDirectoryContent: null,
sharedOpaqueDirectoryWriteAccesses: null,
allowedUndeclaredReads: null,
absentPathProbesUnderOutputDirectories: null);
analyzer.AssertContainsViolation(
new DependencyViolation(
FileMonitoringViolationAnalyzer.DependencyViolationType.UndeclaredReadCycle,
FileMonitoringViolationAnalyzer.AccessLevel.Read,
producerOutput,
violator,
producer),
"An UndeclaredReadCycle should have been reported since an earlier pip has an undeclared read of a later pip's output.");
analyzer.AssertNoExtraViolationsCollected();
AssertErrorEventLogged(EventId.FileMonitoringError);
}
public void DoubleWriteNotReportedForPathOrderedAfter()
{
BuildXLContext context = BuildXLContext.CreateInstanceForTesting();
var graph = new QueryablePipDependencyGraph(context);
var analyzer = new TestFileMonitoringViolationAnalyzer(LoggingContext, context, graph);
AbsolutePath violatorOutput = CreateAbsolutePath(context, JunkPath);
AbsolutePath producerOutput = CreateAbsolutePath(context, DoubleWritePath);
Process violator = graph.AddProcess(violatorOutput);
Process producer = graph.AddProcess(producerOutput);
analyzer.AnalyzePipViolations(
violator,
new[] { CreateViolation(RequestedAccess.ReadWrite, producerOutput) },
new ReportedFileAccess[0],
exclusiveOpaqueDirectoryContent: null,
sharedOpaqueDirectoryWriteAccesses: null,
allowedUndeclaredReads: null,
absentPathProbesUnderOutputDirectories: null,
ReadOnlyArray <(FileArtifact, FileMaterializationInfo, PipOutputOrigin)> .Empty,
out _);
analyzer.AssertContainsViolation(
new DependencyViolation(
FileMonitoringViolationAnalyzer.DependencyViolationType.UndeclaredOutput,
FileMonitoringViolationAnalyzer.AccessLevel.Write,
producerOutput,
violator,
null),
"The violator has an undeclared output but it wasn't reported.");
analyzer.AssertNoExtraViolationsCollected();
AssertErrorEventLogged(EventId.FileMonitoringError);
}
public void UndeclaredOrderedReadReportedForPathOrderedBefore()
{
BuildXLContext context = BuildXLContext.CreateInstanceForTesting();
var graph = new QueryablePipDependencyGraph(context);
var analyzer = new TestFileMonitoringViolationAnalyzer(LoggingContext, context, graph, true);
AbsolutePath producerOutput = CreateAbsolutePath(context, ProducedPath);
AbsolutePath violatorOutput = CreateAbsolutePath(context, JunkPath);
Process producer = graph.AddProcess(producerOutput);
Process violator = graph.AddProcess(violatorOutput);
analyzer.AnalyzePipViolations(
violator,
new[] { CreateViolation(RequestedAccess.Read, producerOutput) },
new ReportedFileAccess[0],
exclusiveOpaqueDirectoryContent: null,
sharedOpaqueDirectoryWriteAccesses: null,
allowedUndeclaredReads: null,
absentPathProbesUnderOutputDirectories: null,
ReadOnlyArray <(FileArtifact, FileMaterializationInfo, PipOutputOrigin)> .Empty,
out _);
AssertVerboseEventLogged(LogEventId.DependencyViolationUndeclaredOrderedRead);
AssertErrorEventLogged(EventId.FileMonitoringError);
}
public void DoubleWritePolicyDeterminesViolationSeverity(DoubleWritePolicy doubleWritePolicy)
{
BuildXLContext context = BuildXLContext.CreateInstanceForTesting();
var graph = new QueryablePipDependencyGraph(context);
var analyzer = new TestFileMonitoringViolationAnalyzer(
LoggingContext,
context,
graph,
// Set this to test the logic of base.HandleDependencyViolation(...) instead of the overriding fake
doLogging: true,
collectNonErrorViolations: true);
AbsolutePath violatorOutput = CreateAbsolutePath(context, JunkPath);
AbsolutePath producerOutput = CreateAbsolutePath(context, DoubleWritePath);
Process producer = graph.AddProcess(producerOutput, doubleWritePolicy);
Process violator = graph.AddProcess(violatorOutput, doubleWritePolicy);
analyzer.AnalyzePipViolations(
violator,
new[] { CreateViolation(RequestedAccess.ReadWrite, producerOutput) },
new ReportedFileAccess[0],
exclusiveOpaqueDirectoryContent: null,
sharedOpaqueDirectoryWriteAccesses: null,
allowedUndeclaredReads: null,
absentPathProbesUnderOutputDirectories: null,
ReadOnlyArray <(FileArtifact, FileMaterializationInfo, PipOutputOrigin)> .Empty,
out _);
analyzer.AssertContainsViolation(
new DependencyViolation(
FileMonitoringViolationAnalyzer.DependencyViolationType.DoubleWrite,
FileMonitoringViolationAnalyzer.AccessLevel.Write,
producerOutput,
violator,
producer),
"The violator is after the producer, so this should be a double-write on the produced path.");
analyzer.AssertNoExtraViolationsCollected();
AssertVerboseEventLogged(LogEventId.DependencyViolationDoubleWrite);
// Based on the double write policy, the violation is an error or a warning
if (doubleWritePolicy == DoubleWritePolicy.DoubleWritesAreErrors)
{
AssertErrorEventLogged(EventId.FileMonitoringError);
}
else
{
AssertWarningEventLogged(EventId.FileMonitoringWarning);
}
}
public void AggregateLogMessageOnUndeclaredReadWrite()
{
BuildXLContext context = BuildXLContext.CreateInstanceForTesting();
var graph = new QueryablePipDependencyGraph(context);
var analyzer = new TestFileMonitoringViolationAnalyzer(LoggingContext, context, graph);
AbsolutePath declaredOuput = CreateAbsolutePath(context, X("/X/out/declared"));
AbsolutePath undeclaredRead = CreateAbsolutePath(context, X("/X/out/undeclaredR"));
AbsolutePath undeclaredWrite = CreateAbsolutePath(context, X("/X/out/undeclaredW"));
AbsolutePath undeclaredReadWrite = CreateAbsolutePath(context, X("/X/out/undeclaredRW"));
Process process = graph.AddProcess(declaredOuput);
analyzer.AnalyzePipViolations(
process,
new[]
{
CreateViolation(RequestedAccess.Read, undeclaredRead),
CreateViolation(RequestedAccess.Write, undeclaredWrite),
CreateViolation(RequestedAccess.Read, undeclaredReadWrite),
CreateViolation(RequestedAccess.Write, undeclaredReadWrite)
},
new ReportedFileAccess[0],
exclusiveOpaqueDirectoryContent: null,
sharedOpaqueDirectoryWriteAccesses: null,
allowedUndeclaredReads: null,
absentPathProbesUnderOutputDirectories: null,
ReadOnlyArray <(FileArtifact, FileMaterializationInfo, PipOutputOrigin)> .Empty,
out _);
AssertErrorEventLogged(EventId.FileMonitoringError);
// The ending of the expected log message.
// The order of files here is based on the sorting in FileMonitoringViolationAnalyzer.AggregateAccessViolationPaths()
StringBuilder expectedLog = new StringBuilder();
expectedLog.AppendLine("- Disallowed file accesses were detected (R = read, W = write):");
// process that 'caused' the violations
expectedLog.AppendLine($"Disallowed file accesses performed by: {ReportedExecutablePath}");
// aggregated paths
expectedLog.AppendLine(ReportedFileAccess.ReadDescriptionPrefix + undeclaredRead.ToString(context.PathTable));
expectedLog.AppendLine(ReportedFileAccess.WriteDescriptionPrefix + undeclaredReadWrite.ToString(context.PathTable));
expectedLog.AppendLine(ReportedFileAccess.WriteDescriptionPrefix + undeclaredWrite.ToString(context.PathTable));
var eventLog = OperatingSystemHelper.IsUnixOS ? EventListener.GetLog().Replace("\r", "") : EventListener.GetLog();
XAssert.IsTrue(eventLog.EndsWith(expectedLog.ToString()));
}
public void ReadRaceReportedForConcurrentPath()
{
BuildXLContext context = BuildXLContext.CreateInstanceForTesting();
var graph = new QueryablePipDependencyGraph(context);
var analyzer = new TestFileMonitoringViolationAnalyzer(LoggingContext, context, graph);
AbsolutePath violatorOutput = CreateAbsolutePath(context, JunkPath);
AbsolutePath producerOutput = CreateAbsolutePath(context, ProducedPath);
Process producer = graph.AddProcess(producerOutput);
Process violator = graph.AddProcess(violatorOutput);
graph.SetConcurrentRange(producer, violator);
analyzer.AnalyzePipViolations(
violator,
new[] { CreateViolation(RequestedAccess.Read, producerOutput) },
new ReportedFileAccess[0],
exclusiveOpaqueDirectoryContent: null,
sharedOpaqueDirectoryWriteAccesses: null,
allowedUndeclaredReads: null,
absentPathProbesUnderOutputDirectories: null,
ReadOnlyArray <(FileArtifact, FileMaterializationInfo, PipOutputOrigin)> .Empty,
out _);
analyzer.AssertContainsViolation(
new DependencyViolation(
FileMonitoringViolationAnalyzer.DependencyViolationType.ReadRace,
FileMonitoringViolationAnalyzer.AccessLevel.Read,
producerOutput,
violator,
producer),
"The violator is concurrent with the producer, so this should be a read-race on the produced path.");
analyzer.AssertNoExtraViolationsCollected();
AssertErrorEventLogged(EventId.FileMonitoringError);
}
public void ReadUndeclaredOutput()
{
BuildXLContext context = BuildXLContext.CreateInstanceForTesting();
var graph = new QueryablePipDependencyGraph(context);
var analyzer = new TestFileMonitoringViolationAnalyzer(LoggingContext, context, graph, true);
AbsolutePath producerOutput = CreateAbsolutePath(context, ProducedPath);
AbsolutePath undeclaredOutput = CreateAbsolutePath(context, X("/X/out/produced2"));
AbsolutePath consumerOutput = CreateAbsolutePath(context, JunkPath);
AbsolutePath consumerOutput2 = CreateAbsolutePath(context, X("/X/out/junk2"));
Process producerViolator = graph.AddProcess(producerOutput);
Process consumerViolator = graph.AddProcess(consumerOutput);
Process consumerViolator2 = graph.AddProcess(consumerOutput2);
analyzer.AnalyzePipViolations(
consumerViolator,
new[]
{
CreateViolation(RequestedAccess.Read, undeclaredOutput),
},
new ReportedFileAccess[0],
exclusiveOpaqueDirectoryContent: null,
sharedOpaqueDirectoryWriteAccesses: null,
allowedUndeclaredReads: null,
absentPathProbesUnderOutputDirectories: null);
analyzer.AnalyzePipViolations(
producerViolator,
new[]
{
CreateViolation(RequestedAccess.Write, undeclaredOutput),
},
new ReportedFileAccess[0],
exclusiveOpaqueDirectoryContent: null,
sharedOpaqueDirectoryWriteAccesses: null,
allowedUndeclaredReads: null,
absentPathProbesUnderOutputDirectories: null);
analyzer.AnalyzePipViolations(
consumerViolator2,
new[]
{
CreateViolation(RequestedAccess.Read, undeclaredOutput)
},
new ReportedFileAccess[0],
exclusiveOpaqueDirectoryContent: null,
sharedOpaqueDirectoryWriteAccesses: null,
allowedUndeclaredReads: null,
absentPathProbesUnderOutputDirectories: null);
analyzer.AssertContainsViolation(
new DependencyViolation(
FileMonitoringViolationAnalyzer.DependencyViolationType.UndeclaredOutput,
FileMonitoringViolationAnalyzer.AccessLevel.Write,
undeclaredOutput,
producerViolator,
null),
"The violator has wrote undeclared output but it wasn't reported.");
analyzer.AssertContainsViolation(
new DependencyViolation(
FileMonitoringViolationAnalyzer.DependencyViolationType.ReadUndeclaredOutput,
FileMonitoringViolationAnalyzer.AccessLevel.Read,
undeclaredOutput,
consumerViolator2,
producerViolator),
"The violator read an undeclared output but it wasn't reported as ReadUndeclaredOutput.");
analyzer.AssertContainsViolation(
new DependencyViolation(
FileMonitoringViolationAnalyzer.DependencyViolationType.MissingSourceDependency,
FileMonitoringViolationAnalyzer.AccessLevel.Read,
undeclaredOutput,
consumerViolator2,
null),
"The violator read an undeclared output but it wasn't reported as MissingSourceDependency.");
analyzer.AssertContainsViolation(
new DependencyViolation(
FileMonitoringViolationAnalyzer.DependencyViolationType.ReadUndeclaredOutput,
FileMonitoringViolationAnalyzer.AccessLevel.Read,
undeclaredOutput,
consumerViolator,
producerViolator),
"The violator read an undeclared output but it wasn't reported as ReadUndeclaredOutput.");
analyzer.AssertContainsViolation(
new DependencyViolation(
FileMonitoringViolationAnalyzer.DependencyViolationType.MissingSourceDependency,
FileMonitoringViolationAnalyzer.AccessLevel.Read,
undeclaredOutput,
consumerViolator,
null),
"The violator read an undeclared output but it wasn't reported as MissingSourceDependency.");
AssertVerboseEventLogged(LogEventId.DependencyViolationReadUndeclaredOutput, 2);
AssertVerboseEventLogged(LogEventId.DependencyViolationUndeclaredOutput);
AssertVerboseEventLogged(LogEventId.DependencyViolationMissingSourceDependency, 2);
AssertErrorEventLogged(EventId.FileMonitoringError, 3);
}
public void MultipleViolationsReportedForSinglePip()
{
BuildXLContext context = BuildXLContext.CreateInstanceForTesting();
var graph = new QueryablePipDependencyGraph(context);
var analyzer = new TestFileMonitoringViolationAnalyzer(LoggingContext, context, graph);
AbsolutePath produced1 = CreateAbsolutePath(context, X("/X/out/produced1"));
AbsolutePath produced2 = CreateAbsolutePath(context, X("/X/out/produced2"));
AbsolutePath produced3 = CreateAbsolutePath(context, X("/X/out/produced3"));
Process producer1 = graph.AddProcess(produced1);
Process producer2 = graph.AddProcess(produced2);
Process producer3 = graph.AddProcess(produced3);
Process violator = graph.AddProcess(CreateAbsolutePath(context, X("/X/out/violator")));
graph.SetConcurrentRange(producer3, violator);
analyzer.AnalyzePipViolations(
violator,
new[]
{
CreateViolation(RequestedAccess.Read, produced3),
CreateViolation(RequestedAccess.Read, produced2),
CreateViolation(RequestedAccess.Write, produced1),
},
new ReportedFileAccess[0],
exclusiveOpaqueDirectoryContent: null,
sharedOpaqueDirectoryWriteAccesses: null,
allowedUndeclaredReads: null,
absentPathProbesUnderOutputDirectories: null);
analyzer.AssertContainsViolation(
new DependencyViolation(
FileMonitoringViolationAnalyzer.DependencyViolationType.ReadRace,
FileMonitoringViolationAnalyzer.AccessLevel.Read,
produced3,
violator,
producer3),
"The violator is concurrent with the producer, so this should be a read-race on the produced path.");
analyzer.AssertContainsViolation(
new DependencyViolation(
FileMonitoringViolationAnalyzer.DependencyViolationType.UndeclaredOrderedRead,
FileMonitoringViolationAnalyzer.AccessLevel.Read,
produced2,
violator,
producer2),
"The violator has an undeclared read on the producer but it wasn't reported.");
analyzer.AssertContainsViolation(
new DependencyViolation(
FileMonitoringViolationAnalyzer.DependencyViolationType.DoubleWrite,
FileMonitoringViolationAnalyzer.AccessLevel.Write,
produced1,
violator,
producer1),
"The violator is after the producer, so this should be a double-write on the produced path.");
analyzer.AssertNoExtraViolationsCollected();
AssertErrorEventLogged(EventId.FileMonitoringError);
}