public void EngineFactory_CreateSiteEngine()
{
var factory = new EngineFactory();
// tests for each handled site
Assert.AreNotEqual(null, factory.CreateSiteEngine <ISearchLinkParserEngine>(WebstoreSite.Amazon));
Assert.AreNotEqual(null, factory.CreateSiteEngine <IProductParserEngine>(WebstoreSite.Amazon));
Assert.AreNotEqual(null, factory.CreateSiteEngine <ISearchLinkParserEngine>(WebstoreSite.AMain));
Assert.AreNotEqual(null, factory.CreateSiteEngine <IProductParserEngine>(WebstoreSite.AMain));
// tests for bad parameters
// the following will throw an argument exception due to bad interface
try
{
Assert.AreEqual(null, factory.CreateSiteEngine <IFormatProvider>(WebstoreSite.Amazon));
}
catch (ArgumentException ex)
{
Assert.AreEqual("This interface is not supported by this factory", ex.Message);
}
catch (Exception)
{
Assert.Fail("unexpected exception");
}
}
public void AMainSearchLinkParserEngine_GetSearchUrl()
{
var factory = new EngineFactory();
var engine = factory.CreateSiteEngine <ISearchLinkParserEngine>(WebstoreSite.AMain);
Assert.AreEqual(@"http://www.amain.com/search?cID=&s=BAC00691", engine.GetSearchUrl("Bachmann", "00691", "BAC00691"));
}
public void AmazonSearchLinkParserEngine_GetSearchUrl()
{
var factory = new EngineFactory();
var engine = factory.CreateSiteEngine <ISearchLinkParserEngine>(WebstoreSite.Amazon);
Assert.AreEqual(@"http://www.amazon.com/gp/search/ref=sr_adv_toys/?search-alias=toys-and-games&unfiltered=1&field-keywords=00691&field-brand=Bachmann&node=&field-price=&field-age_range=&sort=relevancerank&Adv-Srch-Toys-Submit.x=23&Adv-Srch-Toys-Submit.y=8", engine.GetSearchUrl("Bachmann", "00691", "BAC00691"));
}
public void AMainSearchLinkParserEngine_GetProductUrls()
{
var factory = new EngineFactory();
var engine = factory.CreateSiteEngine <ISearchLinkParserEngine>(WebstoreSite.AMain);
Assert.IsTrue(File.Exists("AMainSingleSearchResult.txt"));
var urls = engine.GetProductUrls(File.ReadAllText("AMainSingleSearchResult.txt"));
Assert.AreEqual(1, urls.Length);
Assert.AreEqual(@"http://www.amain.com/bachmann-ho-scale-thoroughbred-train-set-norfolk-southern/p47395", urls[0]);
}
//TODO: make this class private and implement an interface while still supporting unit testing and mocking
public Product[] GetProductPricingUsingSearch(string brand, string productCode, string industryCode, bool useProxy, string connString)
{
// TODO: Need to refactor this so it is not so repetitive. Possibly pass in references to the engines and make the workflow here generic
// TODO: Once we have searched and identified a product page url we should not need to search for subsequent price refreshes.
// TODO: Consider breaking these calls out into discrete site-specific calls.
var products = new List <Product>();
// Get the amazon product pricing
var pageEngine = EngineFactory.CreateEngine <IWebPageEngine>();
var amznSearchParser = EngineFactory.CreateSiteEngine <ISearchLinkParserEngine>(WebstoreSite.Amazon);
var amznProductParser = EngineFactory.CreateSiteEngine <IProductParserEngine>(WebstoreSite.Amazon);
var productAccessor = AccessorFactory.CreateAccessor <IProductAccessor>();
string[] urls = amznSearchParser.GetProductUrls(pageEngine.GetWebPageContents(amznSearchParser.GetSearchUrl(brand, productCode, industryCode), useProxy));
// NOTE: for Amazon we are assuming that if more than 1 result returned then exact match not found so skip
if (urls.Length > 0)
{
// Assume the first product in the result is the product in question
// TODO: make this a little more robust in handling multiple search results coming back
var product = amznProductParser.GetProductInfo(pageEngine.GetWebPageContents(urls[0], useProxy), brand, productCode, industryCode);
if (product != null)
{
product.ProductUrl = urls[0];
product.ProductCode = industryCode;
product.Brand = brand;
products.Add(product);
productAccessor.Save(connString, product);
}
}
// Get the amain product pricing
var amainSearchParser = EngineFactory.CreateSiteEngine <ISearchLinkParserEngine>(WebstoreSite.AMain);
var amainProductParser = EngineFactory.CreateSiteEngine <IProductParserEngine>(WebstoreSite.AMain);
urls = amainSearchParser.GetProductUrls(pageEngine.GetWebPageContents(amainSearchParser.GetSearchUrl(brand, productCode, industryCode), useProxy));
if (urls.Length > 0)
{
// Assume the first product in the result is the product in question
// TODO: make this a little more robust in handling multiple search results coming back
var product = amainProductParser.GetProductInfo(pageEngine.GetWebPageContents(urls[0], useProxy), brand, productCode, industryCode);
if (product != null)
{
product.ProductUrl = urls[0];
product.ProductCode = industryCode;
product.Brand = brand;
products.Add(product);
productAccessor.Save(connString, product);
}
}
return(products.ToArray());
}
public void AmazonSearchLinkParserEngine_GetProductUrls()
{
var factory = new EngineFactory();
var engine = factory.CreateSiteEngine <ISearchLinkParserEngine>(WebstoreSite.Amazon);
Assert.IsTrue(File.Exists("AmazonSearchResults.txt"));
var urls = engine.GetProductUrls(File.ReadAllText("AmazonSearchResults.txt"));
Assert.AreEqual(24, urls.Length);
Assert.AreEqual(@"http://www.amazon.com/gp/product/B001RG7LDU/", urls[0]);
Assert.AreEqual(@"http://www.amazon.com/gp/product/B0000CGB0P/", urls[23]);
}
public void AMainProductParserEngine_GetProductInfo()
{
var factory = new EngineFactory();
var engine = factory.CreateSiteEngine <IProductParserEngine>(WebstoreSite.AMain);
Assert.IsTrue(File.Exists("AMainProductPage.txt"));
var product = engine.GetProductInfo(File.ReadAllText("AMainProductPage.txt"), "Bachmann", "00691", "BAC00691");
// TODO: Add tests for the other attributes parsed from the page
Assert.AreEqual("$82.99", product.Price);
Assert.AreEqual("Bachmann HO-Scale Thoroughbred Train Set (Norfolk Southern)", product.ProductName);
Assert.AreEqual("AMain", product.Site);
}
public void AmazonProductParserEngine_GetProductInfo()
{
var factory = new EngineFactory();
var engine = factory.CreateSiteEngine <IProductParserEngine>(WebstoreSite.Amazon);
Assert.IsTrue(File.Exists("AmazonProductPage.txt"));
var product = engine.GetProductInfo(File.ReadAllText("AmazonProductPage.txt"), "Bachmann", "00691", "BAC00691");
// TODO: Add tests for the other attributes parsed from the page
Assert.AreEqual("$64.50", product.Price);
Assert.AreEqual("Bachmann Trains Thoroughbred Ready-to-Run HO Scale Train Set", product.ProductName);
Assert.AreEqual("Amazon", product.Site);
}