public void ComputesScopes_ComputesUniqueScopes_ForCssFiles()
{
// Arrange
var taskInstance = new ComputeCssScope()
{
ScopedCssInput = new[]
{
new TaskItem("TestFiles/Pages/Counter.razor.css"),
new TaskItem("TestFiles/Pages/Index.razor.css"),
new TaskItem("TestFiles/Pages/Profile.razor.css"),
},
TargetName = "Test"
};
// Act
var result = taskInstance.Execute();
// Assert
Assert.True(result);
Assert.Equal(3, taskInstance.ScopedCss.Length);
Assert.All(taskInstance.ScopedCss, item =>
{
var scope = item.GetMetadata("CssScope");
Assert.NotEmpty(scope);
Assert.Matches("b-[a-z0-9]+", scope);
});
Assert.Equal(3, new HashSet <string>(taskInstance.ScopedCss.Select(s => s.GetMetadata("CssScope"))).Count);
}
public void ComputesScopes_VariesByPath()
{
// Arrange
var taskInstance = new ComputeCssScope()
{
ScopedCssInput = new[]
{
new TaskItem("TestFiles/Pages/Index.razor.css"),
new TaskItem("TestFiles/Index.razor.css"),
},
TargetName = "Test"
};
// Act
var result = taskInstance.Execute();
// Assert
Assert.True(result);
Assert.Equal(2, taskInstance.ScopedCss.Length);
Assert.NotEqual(taskInstance.ScopedCss[0].GetMetadata("CssScope"), taskInstance.ScopedCss[1].GetMetadata("CssScope"));
}
public void ComputesScopes_IsDeterministic()
{
// Arrange
var taskInstance = new ComputeCssScope()
{
ScopedCssInput = new[]
{
new TaskItem("TestFiles/Pages/Counter.razor.css"),
new TaskItem("TestFiles/Pages/Index.razor.css"),
new TaskItem("TestFiles/Pages/Profile.razor.css"),
},
TargetName = "Test"
};
// Act
taskInstance.Execute();
var existing = taskInstance.ScopedCss.Select(s => s.GetMetadata("CssScope")).OrderBy(id => id).ToArray();
var result = taskInstance.Execute();
// Assert
Assert.Equal(existing, taskInstance.ScopedCss.Select(newScoped => newScoped.GetMetadata("CssScope")).OrderBy(id => id).ToArray());
}
public void ComputesScopes_PreservesUserDefinedScopes()
{
// Arrange
var taskInstance = new ComputeCssScope()
{
ScopedCssInput = new[]
{
new TaskItem("TestFiles/Pages/Index.razor.css", new Dictionary <string, string> {
["CssScope"] = "b-predefined"
}),
},
TargetName = "Test"
};
// Act
var result = taskInstance.Execute();
// Assert
Assert.True(result);
var scopedCss = Assert.Single(taskInstance.ScopedCss);
Assert.Equal("b-predefined", scopedCss.GetMetadata("CssScope"));
}
public void ComputesScopes_ScopeVariesByTargetName()
{
// Arrange
var taskInstance = new ComputeCssScope()
{
ScopedCssInput = new[]
{
new TaskItem("TestFiles/Pages/Counter.razor.css"),
new TaskItem("TestFiles/Pages/Index.razor.css"),
new TaskItem("TestFiles/Pages/Profile.razor.css"),
},
TargetName = "Test"
};
// Act
taskInstance.Execute();
var existing = taskInstance.ScopedCss.Select(s => s.GetMetadata("CssScope")).ToArray();
taskInstance.TargetName = "AnotherLibrary";
var result = taskInstance.Execute();
// Assert
Assert.All(taskInstance.ScopedCss, newScoped => Assert.DoesNotContain(newScoped.GetMetadata("ScopedCss"), existing));
}