using Grand.Domain.Blogs;
using Microsoft.VisualStudio.TestTools.UnitTesting;

namespace Grand.Business.Cms.Tests.Extensions
{
    [TestClass()]
    public class BlogExtensionsTests
    {
        private List<BlogPost> _blogPosts;

        [TestInitialize()]
        public void Init()
        {
            _blogPosts = [
                new BlogPost { StartDateUtc = DateTime.Now.AddDays(4), Id = "5" },
                new BlogPost { StartDateUtc = DateTime.Now.AddDays(3), Id = "4" },
                new BlogPost { StartDateUtc = DateTime.Now.AddDays(2), Id = "3" },
                new BlogPost { StartDateUtc = DateTime.Now.AddDays(1), Id = "2" },
                new BlogPost { StartDateUtc = DateTime.Now, Id = "1" }
            ];
        }

        [TestMethod()]
        public void GetPostsByDate_BlogPostContainsInDateRange()
        {
            var from = DateTime.Now;
            var to = DateTime.Now.AddDays(3);
            var result = _blogPosts.GetPostsByDate(from, to);
            Assert.AreEqual(4, result.Count);
            Assert.IsTrue(result.Any(b => b.Id.Equals("1")));
            Assert.IsTrue(result.Any(b => b.Id.Equals("2")));
            Assert.IsTrue(result.Any(b => b.Id.Equals("3")));
            Assert.IsTrue(result.Any(b => b.Id.Equals("4")));
        }

        [TestMethod()]
        public void GetPostsByDate_BlogPostsNotContainsInDateRange_ReturnEmptyList()
        {
            var from = DateTime.Now.AddDays(-3);
            var to = DateTime.Now.AddDays(-1);
            var result = _blogPosts.GetPostsByDate(from, to);
            Assert.AreEqual(0, result.Count);
        }
    }
}
