/// <summary>
/// Creates a new SearchEngineOrchestrator instance.
/// </summary>
/// <param name="searchEngineDefinition">The ISearchEngineDefinition with which this orchestrator is associated.</param>
/// <param name="httpClientHelperProvider">An IHttpClientHelperProvider to be used by this instance.</param>
public SearchEngineOrchestrator(ISearchEngineDefinition <T> searchEngineDefinition, IHttpClientHelperProvider httpClientHelperProvider)
{
this.searchEngineDefinition = searchEngineDefinition ?? throw new ArgumentNullException(nameof(searchEngineDefinition));
if (httpClientHelperProvider == null)
{
throw new ArgumentNullException(nameof(httpClientHelperProvider));
}
// Create a properly-configured HttpClientHelper instance.
var defaultHeaders = new Dictionary <string, string>();
if (!string.IsNullOrWhiteSpace(searchEngineDefinition.UserAgentString))
{
defaultHeaders.Add("User-Agent", searchEngineDefinition.UserAgentString);
}
httpClientHelper = httpClientHelperProvider.GetHttpClientHelper();
httpClientHelper.SetDefaultRequestHeaders(defaultHeaders);
}
public void Initialize()
{
mockHtmlDocument.LoadHtml("<html><body><p>Text</p></body></html>");
var mockResults = new List <SimpleSearchResult>
{
new SimpleSearchResult("Test Page 1", new Uri("http://www.google.com"), 1)
};
var mockResultScraper = Substitute.For <ISearchResultScraper <ISimpleSearchResult> >();
mockResultScraper.ScrapeResults(Arg.Any <HtmlDocument>(), Arg.Any <int>()).Returns(mockResults);
mockSearchEngineDefinition = Substitute.For <ISearchEngineDefinition <ISimpleSearchResult> >();
mockSearchEngineDefinition.UriFormat.Returns("http://www.google.com/{0}");
mockSearchEngineDefinition.ResultScraper.Returns(mockResultScraper);
mockHttpClientHelper = Substitute.For <IHttpClientHelper>();
mockHttpClientHelperProvider = Substitute.For <IHttpClientHelperProvider>();
mockHttpClientHelperProvider.GetHttpClientHelper().Returns(mockHttpClientHelper);
testInstance = new SearchEngineOrchestrator <ISimpleSearchResult>(mockSearchEngineDefinition, mockHttpClientHelperProvider);
}