public void ParseEntity()
{
var service = SpiderFactory.CreateScope();
var dataContext = new DataFlowContext(service);
dataContext.AddResponse(new Response
{
Request = new Request("https://list.jd.com/list.html?cat=9987,653,655",
new Dictionary <string, string>
{
{ "cat", "手机" },
{ "cat3", "110" }
}),
RawText = File.ReadAllText("Jd.html")
});
DataParser <Product> extractor = new DataParser <Product>();
extractor.HandleAsync(dataContext).GetAwaiter().GetResult();
var results = ((List <object>)dataContext.GetItem(typeof(Product).FullName)).Select(x => (Product)x)
.ToList();
Assert.Equal(60, results.Count);
Assert.Equal("手机", results[0].CategoryName);
Assert.Equal(110, results[0].CategoryId);
Assert.Equal("https://item.jd.com/3031737.html", results[0].Url);
Assert.Equal("3031737", results[0].Sku);
Assert.Equal("荣耀官方旗舰店", results[0].ShopName);
Assert.Equal("荣耀 NOTE 8 4GB+32GB 全网通版 冰河银", results[0].Name);
Assert.Equal("1000000904", results[0].VenderId);
Assert.Equal("1000000904", results[0].JdzyShopId);
Assert.Equal(DateTime.Now.ToString("yyyy-MM-dd"), results[0].RunId.ToString("yyyy-MM-dd"));
}
public void XpathFollow()
{
var service = SpiderFactory.CreateScope();
var dataContext = new DataFlowContext(service);
dataContext.AddResponse(new Response
{
Request = new Request("http://cnblogs.com"),
RawText = File.ReadAllText("cnblogs.html")
});
var xpathFollow = DataParser.XpathFollow(".//div[@class='pager']");
var requests = xpathFollow.Invoke(dataContext);
Assert.Equal(12, requests.Length);
Assert.Contains(requests, r => r == "http://cnblogs.com/sitehome/p/2");
}
public void MultiEntitySelector()
{
var service = SpiderFactory.CreateScope();
var dataContext = new DataFlowContext(service);
dataContext.AddResponse(new Response
{
Request = new Request("http://abcd.com"),
RawText = Html
});
var parser = new DataParser <E>();
parser.HandleAsync(dataContext).GetAwaiter().GetResult();
var results = ((List <object>)dataContext.GetItem(typeof(E).FullName)).Select(x => (E)x).ToList();
Assert.Equal("a", results[0].title);
Assert.Equal("b", results[1].title);
}