public void CalculateTagHelpersFromDelta_NoopResult()
{
// Arrange
var resolver = new TestTagHelperResolver(EngineFactory, ErrorReporter, Workspace);
var initialDelta = new TagHelperDeltaResult(Delta: false, ResultId: 1, Project1TagHelpers, Array.Empty <TagHelperDescriptor>());
resolver.PublicProduceTagHelpersFromDelta(Project1FilePath, lastResultId: -1, initialDelta);
var noopDelta = new TagHelperDeltaResult(Delta: true, initialDelta.ResultId, Array.Empty <TagHelperDescriptor>(), Array.Empty <TagHelperDescriptor>());
// Act
var tagHelpers = resolver.PublicProduceTagHelpersFromDelta(Project1FilePath, initialDelta.ResultId, noopDelta);
// Assert
Assert.Equal(Project1TagHelpers, tagHelpers);
}
public void CalculateTagHelpersFromDelta_ReplacedTagHelpers()
{
// Arrange
var resolver = new TestTagHelperResolver(EngineFactory, ErrorReporter, Workspace);
var initialDelta = new TagHelperDeltaResult(Delta: false, ResultId: 1, Project1TagHelpers, Array.Empty <TagHelperDescriptor>());
resolver.PublicProduceTagHelpersFromDelta(Project1FilePath, lastResultId: -1, initialDelta);
var changedDelta = new TagHelperDeltaResult(Delta: true, initialDelta.ResultId + 1, new[] { TagHelper2_Project2 }, new[] { TagHelper2_Project1 });
// Act
var tagHelpers = resolver.PublicProduceTagHelpersFromDelta(Project1FilePath, initialDelta.ResultId, changedDelta);
// Assert
Assert.Equal(new[] { TagHelper1_Project1, TagHelper2_Project2 }, tagHelpers.OrderBy(th => th.Name));
}
public void CalculateTagHelpersFromDelta_DeltaFailedToApplyToKnownProject()
{
// Arrange
var resolver = new TestTagHelperResolver(EngineFactory, ErrorReporter, Workspace);
var initialDelta = new TagHelperDeltaResult(Delta: false, ResultId: 1, Project1TagHelpers, Array.Empty <TagHelperDescriptor>());
resolver.PublicProduceTagHelpersFromDelta(Project1FilePath, lastResultId: -1, initialDelta);
var newTagHelperSet = new[] { TagHelper1_Project1 };
var failedDeltaApplication = new TagHelperDeltaResult(Delta: false, initialDelta.ResultId + 1, newTagHelperSet, Array.Empty <TagHelperDescriptor>());
// Act
var tagHelpers = resolver.PublicProduceTagHelpersFromDelta(Project1FilePath, initialDelta.ResultId, failedDeltaApplication);
// Assert
Assert.Equal(newTagHelperSet, tagHelpers);
}