public string GetVideoTitle(string videoUrl)
{
string htmlSource = GetHtmlSource(videoUrl);
YouTubeParser parser = new YouTubeParser(htmlSource);
return parser.ExtractTitle();
}
public void ExtractTitle_MissingVideoTitleInSource_ThrowsException()
{
// Arrange
YouTubeParser parser = new YouTubeParser(YouTubeParser.VIDEO_START_TAG + YouTubeParser.VIDEO_END_TAG);
// Act + Assert
parser.ExtractTitle();
}
public void ExtractTitle_MissingStartTagInSource_ThrowsException()
{
// Arrange
string testVideoTitle = "TEST";
YouTubeParser parser = new YouTubeParser(testVideoTitle + YouTubeParser.VIDEO_END_TAG);
// Act + Assert
parser.ExtractTitle();
}
public void ExtractTitle_MissingEndTagInSource_ThrowsException()
{
// Arrange
string testVideoTitle = "TEST";
YouTubeParser parser = new YouTubeParser(YouTubeParser.VIDEO_START_TAG + testVideoTitle);
// Act + Assert
parser.ExtractTitle();
}
public void ExtractTitle_ValidHtml_ReturnsCorrectVideoTitle()
{
// Arrange
string expectedVideoTitle = "TEST";
YouTubeParser parser = new YouTubeParser(YouTubeParser.VIDEO_START_TAG + expectedVideoTitle + YouTubeParser.VIDEO_END_TAG);
// Act
string actualVideoTitle = parser.ExtractTitle();
// Assert
Assert.AreEqual(expectedVideoTitle, actualVideoTitle);
}
