public void Process_ReturnResultOfFirstMatchedStrategy_ResultMatchFirstStrategy()
{
// Arrange
var contentOfFirstNode = "First_Strategy";
var mockHttpMessageHandler = new MockHttpMessageHandler();
mockHttpMessageHandler
.When(HttpMethod.Get, URL_TEST).Respond("text/html", "Some Respond");
var mockParseStrategiesProvider = new Mock <IParseStrategiesProvider <IParseStrategy> >();
mockParseStrategiesProvider.Setup(m => m.Strategies).Returns(new List <IParseStrategy>
{
CreateMockIParseStrategy(returnNode: HtmlNode.CreateNode($"<div>{contentOfFirstNode}</div>")).Object,
CreateMockIParseStrategy(returnNode: HtmlNode.CreateNode("<div>Second_Strategy</div>")).Object
});
var strategiesProcessor = new StrategiesProcessorBase <IParseStrategy>(mockParseStrategiesProvider.Object, mockHttpMessageHandler.ToHttpClient());
// Act
var result = strategiesProcessor.Process(URL_TEST);
var innerText = result.InnerText;
// Assert
output.WriteLine($"Content of HtmlNode: {result?.InnerText ?? "NULL"}");
Assert.Equal(innerText, contentOfFirstNode);
}
public void Process_UrlIsValid_ResultNotNull()
{
// Arrange
var mockHttpMessageHandler = new MockHttpMessageHandler();
mockHttpMessageHandler
.When(HttpMethod.Get, URL_TEST).Respond("text/html", "Some Respond");
var mockParseStrategiesProvider = new Mock <IParseStrategiesProvider <IParseStrategy> >();
mockParseStrategiesProvider.Setup(m => m.Strategies).Returns(new List <IParseStrategy>
{
CreateMockIParseStrategy(returnNode: (HtmlNode)null, isUrlValid: true).Object,
});
// Act
var strategiesProcessor = new StrategiesProcessorBase <IParseStrategy>(mockParseStrategiesProvider.Object, mockHttpMessageHandler.ToHttpClient());
var result = strategiesProcessor.Process(URL_TEST, urlValidation: true);
// Assert
output.WriteLine($"Name of HtmlNode: {result?.Name ?? "NULL"}");
Assert.Null(result);
}
public void Process_SecondStrategyMatch_ResultNotNull()
{
// Arrange
var mockHttpMessageHandler = new MockHttpMessageHandler();
mockHttpMessageHandler
.When(HttpMethod.Get, URL_TEST).Respond("text/html", "Some Respond");
var mockParseStrategiesProvider = new Mock <IParseStrategiesProvider <IParseStrategy> >();
mockParseStrategiesProvider.Setup(m => m.Strategies).Returns(new List <IParseStrategy>
{
CreateMockIParseStrategy(returnNode: (HtmlNode)null).Object,
CreateMockIParseStrategy(returnNode: HtmlNode.CreateNode("<div></div>")).Object //Does need to be real node otherwise it will return null
});
var strategiesProcessor = new StrategiesProcessorBase <IParseStrategy>(mockParseStrategiesProvider.Object, mockHttpMessageHandler.ToHttpClient());
// Act
var result = strategiesProcessor.Process(URL_TEST);
// Assert
output.WriteLine($"Name of HtmlNode: {result?.Name ?? "NULL"}");
Assert.NotNull(result);
}
