public async Task VerifyFileWatcherRegistrationOnTreeChange(string inputTree, string changedTree, int numRegisterCalls, int numUnregisterCalls)
{
uint adviseCookie = 100;
var fileChangeService = IVsFileChangeExFactory.CreateWithAdviseUnadviseFileChange(adviseCookie);
var tasksService = IUnconfiguredProjectTasksServiceFactory.ImplementLoadedProjectAsync <ConfiguredProject>(t => t());
using var watcher = new ProjectAssetFileWatcherInstance(
IVsServiceFactory.Create <SVsFileChangeEx, IVsAsyncFileChangeEx>(fileChangeService),
IProjectTreeProviderFactory.Create(),
IUnconfiguredProjectCommonServicesFactory.Create(threadingService: IProjectThreadingServiceFactory.Create()),
tasksService,
IActiveConfiguredProjectSubscriptionServiceFactory.Create());
await watcher.InitializeAsync();
var projectUpdate = IProjectSubscriptionUpdateFactory.FromJson(ProjectCurrentStateJson);
var firstTree = ProjectTreeParser.Parse(inputTree);
await watcher.DataFlow_ChangedAsync(IProjectVersionedValueFactory.Create(Tuple.Create(IProjectTreeSnapshotFactory.Create(firstTree), projectUpdate)));
var secondTree = ProjectTreeParser.Parse(changedTree);
await watcher.DataFlow_ChangedAsync(IProjectVersionedValueFactory.Create(Tuple.Create(IProjectTreeSnapshotFactory.Create(secondTree), projectUpdate)));
// If fileToWatch is null then we expect to not register any filewatcher.
var fileChangeServiceMock = Mock.Get(fileChangeService);
fileChangeServiceMock.Verify(s => s.AdviseFileChangeAsync(It.IsAny <string>(), It.IsAny <_VSFILECHANGEFLAGS>(), watcher, CancellationToken.None),
Times.Exactly(numRegisterCalls));
fileChangeServiceMock.Verify(s => s.UnadviseFileChangeAsync(adviseCookie, CancellationToken.None), Times.Exactly(numUnregisterCalls));
}
public async Task WhenBaseIntermediateOutputPathNotSet_DoesNotAttemptToAdviseFileChange()
{
var fileChangeService = IVsFileChangeExFactory.CreateWithAdviseUnadviseFileChange(100);
var tasksService = IUnconfiguredProjectTasksServiceFactory.ImplementLoadedProjectAsync <ConfiguredProject>(t => t());
using var watcher = new ProjectAssetFileWatcherInstance(
IVsServiceFactory.Create <SVsFileChangeEx, IVsAsyncFileChangeEx>(fileChangeService),
IProjectTreeProviderFactory.Create(),
IUnconfiguredProjectCommonServicesFactory.Create(threadingService: IProjectThreadingServiceFactory.Create()),
tasksService,
IActiveConfiguredProjectSubscriptionServiceFactory.Create());
var tree = ProjectTreeParser.Parse(@"Root (flags: {ProjectRoot}), FilePath: ""C:\Foo\foo.proj""");
var projectUpdate = IProjectSubscriptionUpdateFactory.FromJson(@"{
""CurrentState"": {
""ConfigurationGeneral"": {
""Properties"": {
""MSBuildProjectFullPath"": ""C:\\Foo\\foo.proj""
}
}
}
}");
await watcher.InitializeAsync();
await watcher.DataFlow_ChangedAsync(IProjectVersionedValueFactory.Create(Tuple.Create(IProjectTreeSnapshotFactory.Create(tree), projectUpdate)));
var fileChangeServiceMock = Mock.Get(fileChangeService);
fileChangeServiceMock.Verify(s => s.AdviseFileChangeAsync(It.IsAny <string>(), It.IsAny <_VSFILECHANGEFLAGS>(), watcher, CancellationToken.None),
Times.Never());
}