sshushliapin · December 9, 2015 10:18 · Dec 9, 2015
diff --git a/ContentSearchProviderSample b/ContentSearchProviderSample
@@ -0,0 +1,85 @@
+namespace FakeDbSamples
+{
+  using System.Collections.Generic;
+  using System.Linq;
+  using NSubstitute;
+  using Ploeh.AutoFixture;
+  using Ploeh.AutoFixture.AutoNSubstitute;
+  using Ploeh.AutoFixture.Xunit2;
+  using Sitecore.Abstractions;
+  using Sitecore.Common;
+  using Sitecore.ContentSearch;
+  using Sitecore.ContentSearch.SearchTypes;
+  using Xunit;
+
+  /// <summary>
+  /// Inspired by the Kevin Brechbühl's post "Create simple Unit Tests for the Sitecore Content Search"
+  /// http://ctor.io/create-simple-unit-tests-for-the-sitecore-content-search/?utm_campaign=twitter&utm_medium=twitter&utm_source=twitter
+  ///
+  /// NuGet packages required:
+  /// PM> Install-Package xunit
+  /// PM> Install-Package NSubstitute
+  /// PM> Install-Package AutoFixture.Xunit2
+  /// PM> Install-Package AutoFixture.AutoNSubstitute
+  /// </summary>
+  public class ContentSearchProviderSample
+  {
+    [Theory, DefaultAutoData]
+    public void ShouldGetFreeProducts(
+      SearchRepository sut,
+      ISearchIndex searchIndex,
+      IIndexable indexable,
+      [Frozen]SearchProvider provider,
+      Switcher<SearchProvider> switcher)
+    {
+      // arrange
+      searchIndex
+        .CreateSearchContext()
+        .GetQueryable<ProductSearchResultItem>()
+        .Returns(new[]
+          {
+            new ProductSearchResultItem { Free = true },
+            new ProductSearchResultItem { Free = false },
+            new ProductSearchResultItem { Free = true }
+          }.AsQueryable());
+
+      ContentSearchManager.SearchConfiguration.Indexes["indexName"] = searchIndex;
+      provider.GetContextIndexName(indexable, Arg.Any<ICorePipeline>()).Returns("indexName");
+
+      // act
+      var products = sut.GetProducts(indexable);
+
+      // assert
+      Assert.Equal(2, products.Count());
+    }
+
+    public class SearchRepository
+    {
+      public virtual IEnumerable<ProductSearchResultItem> GetProducts(IIndexable item)
+      {
+        using (var context = ContentSearchManager.CreateSearchContext(item))
+        {
+          var query = context.GetQueryable<ProductSearchResultItem>();
+
+          var products = query.Where(searchResultItem => searchResultItem.Free);
+
+          return products.ToList();
+        }
+      }
+    }
+
+    public class ProductSearchResultItem : SearchResultItem
+    {
+      [IndexField("free")]
+      public virtual bool Free { get; set; }
+    }
+
+    private class DefaultAutoDataAttribute : AutoDataAttribute
+    {
+      public DefaultAutoDataAttribute()
+        : base(new Fixture().Customize(new AutoNSubstituteCustomization()))
+      {
+      }
+    }
+  }
+}