public async Task Test_GetPostById_ReturnsPost()
{
HackerNewsPostResponse post = new HackerNewsPostResponse
{
by = "test",
title = "test",
url = "http://www.google.com",
score = 1,
descendants = 1,
};
var response = JsonConvert.SerializeObject(post);
http.Setup(m => m.GetAsync(It.IsAny <string>()))
.Returns(Task.FromResult(response))
.Verifiable();
var result = await scraper.GetPostById(5);
Assert.AreEqual(post.by, result.by);
Assert.AreEqual(post.title, result.title);
Assert.AreEqual(post.url, result.url);
Assert.AreEqual(post.score, result.score);
Assert.AreEqual(post.descendants, result.descendants);
http.VerifyAll();
}
public void Test_HackerNewsPost_IsValid()
{
var post = new HackerNewsPostResponse
{
by = "test",
title = "test",
url = "http://www.google.com",
score = 1,
descendants = 1,
};
Assert.IsFalse(scraper.PostIsInvalid(post));
}
public void Test_HackerNewsPost_IsNotValid()
{
var post1 = new HackerNewsPostResponse
{
by = "test",
title = "test",
url = "http://www.google.com",
score = -1,
descendants = 1,
};
var post2 = new HackerNewsPostResponse
{
by = "test",
title = "test",
url = "http://www.google.com",
score = 1,
descendants = -1,
};
var post3 = new HackerNewsPostResponse
{
by = "test",
title = "test",
url = "not a uri",
score = 1,
descendants = 1,
};
var post4 = new HackerNewsPostResponse
{
by = "test",
title = null,
url = "http://www.google.com",
score = -1,
descendants = 1,
};
var post5 = new HackerNewsPostResponse
{
by = "Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.",
title = "test",
url = "http://www.google.com",
score = -1,
descendants = 1,
};
Assert.IsTrue(scraper.PostIsInvalid(post1));
Assert.IsTrue(scraper.PostIsInvalid(post2));
Assert.IsTrue(scraper.PostIsInvalid(post3));
Assert.IsTrue(scraper.PostIsInvalid(post4));
Assert.IsTrue(scraper.PostIsInvalid(post5));
}
public async Task Test_GetPostsJson_ReturnsNPosts()
{
HackerNewsPostResponse post = new HackerNewsPostResponse
{
by = "test",
title = "test",
url = "http://www.google.com",
score = 1,
descendants = 1,
};
var response = JsonConvert.SerializeObject(post);
http.SetupSequence(m => m.GetAsync(It.IsAny <string>()))
.Returns(Task.FromResult("[1,2,3]"))
.Returns(Task.FromResult(response));
var result = await scraper.GetPostsJson(1);
var expected = "[\r\n {\r\n \"title\": \"test\",\r\n \"uri\": \"http://www.google.com\",\r\n \"author\": \"test\",\r\n \"points\": 1,\r\n \"comments\": 1,\r\n \"rank\": 1\r\n }\r\n]";
Assert.AreEqual(expected, result);
}
