public async Task CompileAsync_DoesNotCreateMultipleCompilationResults_ForConcurrentInvocations()
{
// Arrange
var path = "/Views/Home/Index.cshtml";
var waitDuration = TimeSpan.FromSeconds(20);
var fileProvider = new TestFileProvider();
fileProvider.AddFile(path, "some content");
var resetEvent1 = new ManualResetEvent(initialState: false);
var resetEvent2 = new ManualResetEvent(initialState: false);
var compiler = GetViewCompiler(fileProvider);
compiler.Compile = _ => {
// Event 2
resetEvent1.WaitOne(waitDuration);
// Event 3
resetEvent2.Set();
return(new CompiledViewDescriptor());
};
// Act
var task1 = Task.Run(() => compiler.CompileAsync(path));
var task2 = Task.Run(() => {
// Event 4
Assert.True(resetEvent2.WaitOne(waitDuration));
return(compiler.CompileAsync(path));
});
// Event 1
resetEvent1.Set();
await Task.WhenAll(task1, task2);
// Assert
var result1 = task1.Result;
var result2 = task2.Result;
Assert.Same(result1, result2);
}
public async Task CompileAsync_PrecompiledViewWithChecksum_CanRecompileWhenViewImportChanges()
{
// Arrange
var path = "/Views/Home/Index.cshtml";
var importPath = "/Views/_ViewImports.cshtml";
var fileProvider = new TestFileProvider();
fileProvider.AddFile(path, "some content");
var importFile = fileProvider.AddFile(importPath, "some import");
var expected2 = new CompiledViewDescriptor();
var precompiledView = new CompiledViewDescriptor {
RelativePath = path,
Item = new TestRazorCompiledItem(typeof(string), "mvc.1.0.view", path, new object[]
{
new RazorSourceChecksumAttribute("SHA1", GetChecksum("some content"), path),
new RazorSourceChecksumAttribute("SHA1", GetChecksum("some import"), importPath),
}),
};
var viewCompiler = GetViewCompiler(fileProvider, precompiledViews: new[] { precompiledView });
// Act - 1
var result = await viewCompiler.CompileAsync(path);
// Assert - 1
Assert.Same(precompiledView.Item, result.Item);
// Act - 2
importFile.Content = "different content";
fileProvider.GetChangeToken(importPath).HasChanged = true;
viewCompiler.Compile = _ => expected2;
result = await viewCompiler.CompileAsync(path);
// Assert - 2
Assert.Same(expected2, result);
}
public async Task CompileAsync_PerformsCaseInsensitiveLookupsForPrecompiledViews_WithNonNormalizedPaths()
{
// Arrange
var path = "/Views/Home/Index.cshtml";
var fileProvider = new TestFileProvider();
fileProvider.AddFile(path, "some content");
var precompiledView = new CompiledViewDescriptor {
RelativePath = path,
Item = new TestRazorCompiledItem(typeof(string), "mvc.1.0.view", path, new object[]
{
new RazorSourceChecksumAttribute("sha1", GetChecksum("some content"), "/Views/Some-Other-View"),
}),
};
var viewCompiler = GetViewCompiler(fileProvider, precompiledViews: new[] { precompiledView });
// Act
var result = await viewCompiler.CompileAsync("Views\\Home\\Index.cshtml");
// Assert
Assert.Same(precompiledView, result);
}
public async Task CompileAsync_PrecompiledViewWithoutChecksumForMainSource_DoesNotSupportRecompilation()
{
// Arrange
var path = "/Views/Home/Index.cshtml";
var fileProvider = new TestFileProvider();
fileProvider.AddFile(path, "some content");
var precompiledView = new CompiledViewDescriptor {
RelativePath = path,
Item = new TestRazorCompiledItem(typeof(string), "mvc.1.0.view", path, new object[]
{
new RazorSourceChecksumAttribute("sha1", GetChecksum("some content"), "/Views/Home/Index.cshtml"),
}),
ExpirationTokens = new[] { fileProvider.Watch("/Views/Home/Index.cshtml") }
};
var viewCompiler = GetViewCompiler(fileProvider, precompiledViews: new[] { precompiledView });
// Act - 1
var result = await viewCompiler.CompileAsync(path);
// Assert - 1
Assert.Same(precompiledView.Item, result.Item);
// Act - 2
fileProvider.Watch(path);
fileProvider.GetChangeToken(path).HasChanged = true;
result = await viewCompiler.CompileAsync(path);
// Assert - 2
Assert.Same(precompiledView.Item, result.Item);
// This view doesn't have checksums so it can't be recompiled.
// NB: This is from the original tests and is no longer true
// Assert.Null(result.ExpirationTokens);
}
public async Task GetOrAdd_AllowsConcurrentCompilationOfMultipleRazorPages()
{
// Arrange
var path1 = "/Views/Home/Index.cshtml";
var path2 = "/Views/Home/About.cshtml";
var waitDuration = TimeSpan.FromSeconds(20);
var fileProvider = new TestFileProvider();
fileProvider.AddFile(path1, "some content");
fileProvider.AddFile(path2, "some content");
var resetEvent1 = new AutoResetEvent(initialState: false);
var resetEvent2 = new ManualResetEvent(initialState: false);
var compilingOne = false;
var compilingTwo = false;
var result1 = new CompiledViewDescriptor();
var result2 = new CompiledViewDescriptor();
var compiler = GetViewCompiler(fileProvider);
compiler.Compile = path => {
if (path == path1)
{
compilingOne = true;
// Event 2
Assert.True(resetEvent1.WaitOne(waitDuration));
// Event 3
Assert.True(resetEvent2.Set());
// Event 6
Assert.True(resetEvent1.WaitOne(waitDuration));
Assert.True(compilingTwo);
return(result1);
}
else if (path == path2)
{
compilingTwo = true;
// Event 4
Assert.True(resetEvent2.WaitOne(waitDuration));
// Event 5
Assert.True(resetEvent1.Set());
Assert.True(compilingOne);
return(result2);
}
else
{
throw new Exception();
}
};
// Act
var task1 = Task.Run(() => compiler.CompileAsync(path1));
var task2 = Task.Run(() => compiler.CompileAsync(path2));
// Event 1
resetEvent1.Set();
await Task.WhenAll(task1, task2);
// Assert
Assert.True(compilingOne);
Assert.True(compilingTwo);
Assert.Same(result1, task1.Result);
Assert.Same(result2, task2.Result);
}
