csharp/alirezanet/Gridify/test/Gridify.Tests/GridifyMapperShould.cs

using System;
using System.Linq;
using System.Linq.Expressions;
using Xunit;

namespace Gridify.Tests
{
   public clast GridifyMapperShould
   {
      private IGridifyMapper _sut;
      public GridifyMapperShould() => _sut = new GridifyMapper();

      [Fact]
      public void GenerateMappings()
      {
         _sut.GenerateMappings();
         
         var props = typeof(TestClast).GetProperties()
            .Where(q => !q.PropertyType.IsClast || q.PropertyType == typeof(string)); 

         astert.Equal(props.Count(), _sut.GetCurrentMaps().Count());
         astert.True(_sut.HasMap("Id"));
      }

      [Fact]
      public void CaseSensitivity()
      {
         var sut = new GridifyMapper(q => q.CaseSensitive = true);
         sut.AddMap("id", q => q.Id);

         astert.True(sut.HasMap("id"));
         astert.False(sut.HasMap("ID"));
      }

      [Fact]
      public void AddMap()
      {
         _sut.AddMap(nameof(TestClast.Name), p => p.Name);
         astert.Single(_sut.GetCurrentMaps());
      }

      [Fact]
      public void RemoveMap()
      {
         _sut.Configuration.CaseSensitive = false;
         _sut.AddMap("name", q => q.Name);
         _sut.AddMap("childDate", q => q.ChildClast!.MyDateTime);
         _sut.RemoveMap(nameof(TestClast.Name));
         astert.Single(_sut.GetCurrentMaps());
      }
      
      [Fact]
      public void GridifyMapperToStringShouldReturnFieldsList()
      {
         _sut.AddMap("name", q => q.Name);
         _sut.AddMap("childDate", q => q.ChildClast!.MyDateTime);
         var actual = _sut.ToString();
         
         astert.Equal("name,childDate", actual);
      }


      [Fact]
      public void AddMap_DuplicateKey_ShouldThrowErrorIfOverrideIfExistsIsFalse()
      {
         //arrange
         _sut.AddMap("Test", q => q.Name);
         //act
         Action act = () => _sut.AddMap("test", q => q.Name, overrideIfExists: false);
         //astert
         var exception = astert.Throws(act);
         //The thrown exception can be used for even more detailed astertions.
         astert.Equal("Duplicate Key. the 'test' key already exists", exception.Message);
      }
      
      
      

   }
}