static async Task <int> Main(string[] args)
{
Console.WriteLine("Please enter a web page address of a food recipe:");
var address = Console.ReadLine();
try
{
var webpage = new Uri(address);
var parser = new PageParser();
var pageEater = new EaterMain(client, parser);
var recipe = await pageEater.ScrapeWebPage(webpage);
Console.WriteLine(recipe);
return(0);
}
catch (UriFormatException e)
{
Console.WriteLine($"Sorry, {address} is not a valid url.");
return(1);
}
}
public async Task ThrowsWhenWebAddressNotFound()
{
mockMessageHandler.Protected().Setup <Task <HttpResponseMessage> >(
"SendAsync",
ItExpr.IsAny <HttpRequestMessage>(),
ItExpr.IsAny <CancellationToken>()
)
.ReturnsAsync(new HttpResponseMessage
{
StatusCode = HttpStatusCode.NotFound,
Content = new StringContent("")
});
var main = new EaterMain(client, pageParser.Object);
await Assert.ThrowsAsync <NoRecipePresentException>(
async() => await main.ScrapeWebPage(testWebpageAddress)
);
}
public async Task ReturnsRecipeMarkupWhenPageContainsIt()
{
mockMessageHandler.Protected().Setup <Task <HttpResponseMessage> >(
"SendAsync",
ItExpr.IsAny <HttpRequestMessage>(),
ItExpr.IsAny <CancellationToken>()
)
.ReturnsAsync(new HttpResponseMessage
{
StatusCode = HttpStatusCode.OK,
Content = new StringContent("<some_markup_that_contains>\"@type\": \"Recipe\"</some_markup_that_contains>")
});
pageParser.Setup(p => p.ParseRecipeFromMarkup(It.IsAny <string>()))
.Returns("\"@type\": \"Recipe\"");
var main = new EaterMain(client, pageParser.Object);
var recipeMarkup = await main.ScrapeWebPage(new Uri("http://example.com/recipe1"));
Assert.Contains(("\"@type\": \"Recipe\""), recipeMarkup);
}
public async Task ThrowsWhenNoRecipeMarkupExistsInPage()
{
mockMessageHandler.Protected().Setup <Task <HttpResponseMessage> >(
"SendAsync",
ItExpr.IsAny <HttpRequestMessage>(),
ItExpr.IsAny <CancellationToken>()
)
.ReturnsAsync(new HttpResponseMessage
{
StatusCode = HttpStatusCode.OK,
Content = new StringContent("Some markup but no recipe")
});
pageParser.Setup(p => p.ParseRecipeFromMarkup(It.IsAny <string>()))
.Returns(string.Empty);
var main = new EaterMain(client, pageParser.Object);
await Assert.ThrowsAsync <NoRecipePresentException>(
async() => await main.ScrapeWebPage(testWebpageAddress)
);
}
