public void GetsTopicByTopicSlug()
{
const string slug = "a-slug";
var contentfulTopic = new ContentfulTopicBuilder().Slug(slug).Build();
var collection = new ContentfulCollection <ContentfulTopic>();
collection.Items = new List <ContentfulTopic> {
contentfulTopic
};
var builder = new QueryBuilder <ContentfulTopic>().ContentTypeIs("topic").FieldEquals("fields.slug", slug).Include(2);
_contentfulClient.Setup(o => o.GetEntries(It.Is <QueryBuilder <ContentfulTopic> >(q => q.Build() == builder.Build()),
It.IsAny <CancellationToken>())).ReturnsAsync(collection);
_topicFactory.Setup(o => o.ToModel(contentfulTopic)).Returns(_topic);
var response = AsyncTestHelper.Resolve(_repository.GetTopicByTopicSlug(slug));
response.StatusCode.Should().Be(HttpStatusCode.OK);
var topic = response.Get <Topic>();
topic.Should().BeEquivalentTo(_topic);
}