public async Task CompileAsync_ReturnsResultWithExpirationToken()
{
// Arrange
var path = "/file/does-not-exist";
var fileProvider = new TestFileProvider();
var viewCompiler = GetViewCompiler(fileProvider);
// Act
var result1 = await viewCompiler.CompileAsync(path);
var result2 = await viewCompiler.CompileAsync(path);
// Assert
Assert.Same(result1, result2);
Assert.Null(result1.Item);
Assert.Collection(
result1.ExpirationTokens,
token => Assert.Equal(fileProvider.GetChangeToken(path), token));
}
public async Task CompileAsync_ReturnsResultWithNullAttribute_IfFileIsNotFoundInFileSystem()
{
// Arrange
var path = "/file/does-not-exist";
var fileProvider = new TestFileProvider();
var viewCompiler = GetViewCompiler(fileProvider);
// Act
var result1 = await viewCompiler.CompileAsync(path);
var result2 = await viewCompiler.CompileAsync(path);
// Assert
Assert.Same(result1, result2);
Assert.Null(result1.Item);
var token = Assert.Single(result1.ExpirationTokens);
Assert.Same(fileProvider.GetChangeToken(path), token);
}
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_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);
}
