public void ShouldNotMarkIfSearchStringNotFound()
{
// Arrange.
const string FullText = "";
const string SearchText = "loremipsum";
var highlightMarker = new HighlightMarker(FullText, SearchText);
// Act.
var highlightList = highlightMarker.ToList();
// Assert
highlightList.Should().NotBeNull();
highlightList.Should().HaveCount(1);
AssertHighlightIndex(highlightList.ElementAt(0), fromIndex: 0, length: 0, isHighlighted: false);
}
public void ShouldNotMarkIfEmptyString()
{
// Arrange.
const string FullText = "full text for highlight marking";
const string SearchText = "";
var highlightMarker = new HighlightMarker(FullText, SearchText);
// Act.
var highlightList = highlightMarker.ToList();
// Assert
highlightList.Should().NotBeNull();
highlightList.Should().HaveCount(1);
AssertHighlightIndex(highlightList.ElementAt(0), fromIndex: 0, length: FullText.Length, isHighlighted: false);
}
public void ShouldMarkSingleWordInTheEnd()
{
// Arrange
const string FullText = "full text for highlight marking";
const string SearchText = "marking";
var highlightMarker = new HighlightMarker(FullText, SearchText);
// Act
var highlightList = highlightMarker.ToList();
// Assert
highlightList.Should().NotBeNull();
highlightList.Should().HaveCount(2);
AssertHighlightIndex(highlightList.ElementAt(0), fromIndex: 0, length: 24, isHighlighted: false);
AssertHighlightIndex(highlightList.ElementAt(1), fromIndex: 24, length: 7, isHighlighted: true);
}
public void ShouldSplitWithCustomDelimiters()
{
// Arrange
const string FullText = "full text for highlight marking";
const string SearchText = "full, for;king";
var highlightMarker = new HighlightMarker(FullText, SearchText, highlightProcessor: null, searchTextDelimiters: new[] { ',', ';' });
// Act
var highlightList = highlightMarker.ToList();
// Assert
highlightList.Should().NotBeNull();
highlightList.Should().HaveCount(5);
AssertHighlightIndex(highlightList.ElementAt(0), fromIndex: 0, length: 4, isHighlighted: true);
AssertHighlightIndex(highlightList.ElementAt(1), fromIndex: 4, length: 5, isHighlighted: false);
AssertHighlightIndex(highlightList.ElementAt(2), fromIndex: 9, length: 4, isHighlighted: true);
AssertHighlightIndex(highlightList.ElementAt(3), fromIndex: 13, length: 14, isHighlighted: false);
AssertHighlightIndex(highlightList.ElementAt(4), fromIndex: 27, length: 4, isHighlighted: true);
}
public void ShouldSupportHighlightProcessor()
{
// Arrange
const string FullText = "ääääää";
const string SearchText = "a";
var highlightMarkerWithoutProcessors = new HighlightMarker(FullText, SearchText);
var highlightMarkerWithTestProcessor = new HighlightMarker(FullText, SearchText, highlightProcessor: new TestHighlightProcessor("ä", "a"));
// Act
var highlightListWithoutProcessing = highlightMarkerWithoutProcessors.ToList();
var highlightListWithProcessing = highlightMarkerWithTestProcessor.ToList();
// Assert
highlightListWithoutProcessing.Should().NotBeNull();
highlightListWithoutProcessing.Should().HaveCount(1);
AssertHighlightIndex(highlightListWithoutProcessing.ElementAt(0), fromIndex: 0, length: 6, isHighlighted: false);
highlightListWithProcessing.Should().NotBeNull();
highlightListWithProcessing.Should().HaveCount(1);
AssertHighlightIndex(highlightListWithProcessing.ElementAt(0), fromIndex: 0, length: 6, isHighlighted: true);
}
public void ShouldMarkSingleLetter()
{
// Arrange
const string FullText = "full text for highlight marking";
const string SearchText = "g";
var highlightMarker = new HighlightMarker(FullText, SearchText);
// Act
var highlightList = highlightMarker.ToList();
// Assert
highlightList.Should().NotBeNull();
highlightList.Should().HaveCount(6);
AssertHighlightIndex(highlightList.ElementAt(0), fromIndex: 0, length: 16, isHighlighted: false);
AssertHighlightIndex(highlightList.ElementAt(1), fromIndex: 16, length: 1, isHighlighted: true);
AssertHighlightIndex(highlightList.ElementAt(2), fromIndex: 17, length: 3, isHighlighted: false);
AssertHighlightIndex(highlightList.ElementAt(3), fromIndex: 20, length: 1, isHighlighted: true);
AssertHighlightIndex(highlightList.ElementAt(4), fromIndex: 21, length: 9, isHighlighted: false);
AssertHighlightIndex(highlightList.ElementAt(5), fromIndex: 30, length: 1, isHighlighted: true);
}