public TestEnv(
string name,
string rootPath,
bool enableLazyOutputMaterialization = false,
int maxRelativeOutputDirectoryLength = 260,
List <IMount> mounts = null,
PathTable pathTable = null)
{
Contract.Requires(name != null);
Contract.Requires(!string.IsNullOrEmpty(rootPath));
LoggingContext = new LoggingContext("TestLogger." + name);
PathTable = pathTable ?? new PathTable();
PipDataBuilderPool = new ObjectPool <PipDataBuilder>(() => new PipDataBuilder(PathTable.StringTable), _ => { });
// The tests that use TestEnv need to be modernized to take a filesystem
var fileSystem = new PassThroughFileSystem(PathTable);
Context = EngineContext.CreateNew(CancellationToken.None, PathTable, fileSystem);
// Add some well-known paths with fixed casing to the Context.PathTable
AbsolutePath.Create(Context.PathTable, rootPath.ToLowerInvariant());
var root = AbsolutePath.Create(Context.PathTable, rootPath);
var configuration = ConfigHelpers.CreateDefaultForXml(Context.PathTable, root);
configuration.Layout.SourceDirectory = root.Combine(PathTable, PathAtom.Create(PathTable.StringTable, "src")); // These tests have non-standard src folder
configuration.Engine.MaxRelativeOutputDirectoryLength = maxRelativeOutputDirectoryLength;
configuration.Schedule.EnableLazyOutputMaterialization = enableLazyOutputMaterialization;
configuration.Schedule.UnsafeDisableGraphPostValidation = false;
configuration.Schedule.ComputePipStaticFingerprints = true;
configuration.Sandbox.FileAccessIgnoreCodeCoverage = true;
BuildXLEngine.PopulateFileSystemCapabilities(configuration, configuration, Context.PathTable, LoggingContext);
BuildXLEngine.PopulateLoggingAndLayoutConfiguration(configuration, Context.PathTable, bxlExeLocation: null, inTestMode: true);
BuildXLEngine.PopulateAndValidateConfiguration(configuration, configuration, Context.PathTable, LoggingContext);
Configuration = configuration;
var mountsTable = MountsTable.CreateAndRegister(LoggingContext, Context, Configuration, null);
if (mounts != null)
{
foreach (var mount in mounts)
{
mountsTable.AddResolvedMount(mount);
}
}
AbsolutePath specFile = SourceRoot.CreateRelative(Context.PathTable, "TestSpecFile.dsc");
var graph = TestSchedulerFactory.CreateEmptyPipGraph(Context, configuration, mountsTable.MountPathExpander);
PipTable = graph.PipTable;
PipGraph = graph;
var locationData = new LocationData(specFile, 0, 0);
var modulePip = ModulePip.CreateForTesting(Context.StringTable, specFile);
PipGraph.AddModule(modulePip);
PipGraph.AddSpecFile(new SpecFilePip(FileArtifact.CreateSourceFile(specFile), locationData, modulePip.Module));
PipConstructionHelper = PipConstructionHelper.CreateForTesting(
Context,
ObjectRoot,
redirectedRoot: Configuration.Layout.RedirectedDirectory,
pipGraph: PipGraph,
moduleName: modulePip.Identity.ToString(Context.StringTable),
symbol: name,
specPath: specFile);
Paths = new Paths(PathTable);
mountsTable.CompleteInitialization();
}
private bool ConstructAndEvaluateGraph(
LoggingContext loggingContext,
FrontEndEngineAbstraction frontEndEngineAbstration,
CacheInitializationTask engineCacheTask,
MountsTable mountsTable,
EvaluationFilter evaluationFilter,
[CanBeNull] GraphReuseResult reuseResult,
out PipGraph pipGraph)
{
Contract.Requires(frontEndEngineAbstration != null);
Contract.Requires(engineCacheTask != null);
Contract.Requires(mountsTable != null);
pipGraph = null;
IPipGraphBuilder pipGraphBuilder = null;
if (!AddConfigurationMountsAndCompleteInitialization(loggingContext, mountsTable))
{
return(false);
}
IDictionary <ModuleId, MountsTable> moduleMountsTableMap;
if (!mountsTable.PopulateModuleMounts(Configuration.ModulePolicies.Values, out moduleMountsTableMap))
{
Contract.Assume(loggingContext.ErrorWasLogged, "An error should have been logged after MountTable.PopulateModuleMounts()");
return(false);
}
m_visualization?.MountsTable.MakeAvailable(mountsTable);
if ((Configuration.Engine.Phase & EnginePhases.Schedule) != 0)
{
pipGraphBuilder = CreatePipGraphBuilder(loggingContext, mountsTable, reuseResult);
}
// Have to do some horrible magic here to get to a proper Task<T> with the BuildXL cache since
// someone updated the engine cache to be an await style pattern, and there is no way to get to the EngineCache
// If the cache was fast to startup, but perhaps blocked itself on first access we wouldn't have to do all these hoops.
Func <Task <Possible <EngineCache> > > getBuildCacheTask =
async() =>
{
return((await engineCacheTask).Then(engineCache => engineCache.CreateCacheForContext()));
};
if (!FrontEndController.PopulateGraph(
getBuildCacheTask(),
pipGraphBuilder,
frontEndEngineAbstration,
evaluationFilter,
Configuration,
m_initialCommandLineConfiguration.Startup))
{
LogFrontEndStats(loggingContext);
Contract.Assume(loggingContext.ErrorWasLogged, "An error should have been logged after FrontEndController.PopulateGraph()");
return(false);
}
LogFrontEndStats(loggingContext);
// Pip graph must become immutable now that evaluation is done (required to construct a scheduler).
return(pipGraphBuilder == null || (pipGraph = pipGraphBuilder.Build()) != null);
}
