Feature/collections support

QueryKit.IntegrationTests/Tests/DatabaseFilteringTests.cs

@@ -7,6 +7,7 @@ namespace QueryKit.IntegrationTests.Tests;
 using Microsoft.EntityFrameworkCore;
 using SharedTestingHelper.Fakes;
 using SharedTestingHelper.Fakes.Author;
+using SharedTestingHelper.Fakes.Ingredients;
 using SharedTestingHelper.Fakes.Recipes;
 using WebApiTestProject.Database;
 using WebApiTestProject.Entities;
@@ -28,7 +29,7 @@ public async Task can_filter_by_string()
         await testingServiceScope.InsertAsync(fakePersonOne, fakePersonTwo);
 
         var input = $"""{nameof(TestingPerson.Title)} == "{fakePersonOne.Title}" """;
-
+        
         // Act
         var queryablePeople = testingServiceScope.DbContext().People;
         var appliedQueryable = queryablePeople.ApplyQueryKitFilter(input);
@@ -39,6 +40,130 @@ public async Task can_filter_by_string()
         people[0].Id.Should().Be(fakePersonOne.Id);
     }
 
+    [Fact]
+    public async Task can_filter_by_string_for_collection()
+    {
+        // Arrange
+        var testingServiceScope = new TestingServiceScope();
+        var faker = new Faker();
+        var fakeIngredientOne = new FakeIngredientBuilder()
+            .WithName(faker.Lorem.Sentence())
+            .Build();
+        var fakeRecipeOne = new FakeRecipeBuilder().Build();
+        fakeRecipeOne.AddIngredient(fakeIngredientOne);
+
+        var fakeIngredientTwo = new FakeIngredientBuilder()
+            .WithName(faker.Lorem.Sentence())
+            .Build();
+        var fakeRecipeTwo = new FakeRecipeBuilder().Build();
+        fakeRecipeTwo.AddIngredient(fakeIngredientTwo);
+        await testingServiceScope.InsertAsync(fakeRecipeOne, fakeRecipeTwo);
+
+        var input = $"""Ingredients.Name == "{fakeIngredientOne.Name}" """;
+
+        // Act
+        var queryableRecipes = testingServiceScope.DbContext().Recipes;
+        var appliedQueryable = queryableRecipes.ApplyQueryKitFilter(input);
+        var recipes = await appliedQueryable.ToListAsync();
+
+        // Assert
+        recipes.Count.Should().Be(1);
+        recipes[0].Id.Should().Be(fakeRecipeOne.Id);
+    }
+
+    [Fact]
+    public async Task can_filter_by_string_for_collection_with_count()
+    {
+        // Arrange
+        var testingServiceScope = new TestingServiceScope();
+        var faker = new Faker();
+        var fakeIngredientOne = new FakeIngredientBuilder()
+            .WithName(faker.Lorem.Sentence())
+            .Build();
+        var fakeRecipeOne = new FakeRecipeBuilder().Build();
+        fakeRecipeOne.AddIngredient(fakeIngredientOne);
+
+        var fakeIngredientTwo = new FakeIngredientBuilder()
+            .WithName(faker.Lorem.Sentence())
+            .Build();
+        var fakeRecipeTwo = new FakeRecipeBuilder().Build();
+        fakeRecipeTwo.AddIngredient(fakeIngredientTwo);
+        await testingServiceScope.InsertAsync(fakeRecipeOne, fakeRecipeTwo);
+
+        var input = $"""Title == "{fakeRecipeOne.Title}" && Ingredients #>= 1""";
+
+        // Act
+        var queryableRecipes = testingServiceScope.DbContext().Recipes;
+        var appliedQueryable = queryableRecipes.ApplyQueryKitFilter(input);
+        var recipes = await appliedQueryable.ToListAsync();
+
+        // Assert
+        recipes.Count.Should().Be(1);
+        recipes[0].Id.Should().Be(fakeRecipeOne.Id);
+    }
+
+    [Fact]
+    public async Task can_filter_by_string_for_collection_contains()
+    {
+        // Arrange
+        var testingServiceScope = new TestingServiceScope();
+        var faker = new Faker();
+        var fakeIngredientOne = new FakeIngredientBuilder()
+            .WithName($"{faker.Lorem.Sentence()}partial")
+            .Build();
+        var fakeRecipeOne = new FakeRecipeBuilder().Build();
+        fakeRecipeOne.AddIngredient(fakeIngredientOne);
+
+        var fakeIngredientTwo = new FakeIngredientBuilder()
+            .WithName(faker.Lorem.Sentence())
+            .Build();
+        var fakeRecipeTwo = new FakeRecipeBuilder().Build();
+        fakeRecipeTwo.AddIngredient(fakeIngredientTwo);
+        await testingServiceScope.InsertAsync(fakeRecipeOne, fakeRecipeTwo);
+
+        var input = $"""Ingredients.Name @= "partial" """;
+
+        // Act
+        var queryableRecipes = testingServiceScope.DbContext().Recipes;
+        var appliedQueryable = queryableRecipes.ApplyQueryKitFilter(input);
+        var recipes = await appliedQueryable.ToListAsync();
+
+        // Assert
+        recipes.Count.Should().Be(1);
+        recipes[0].Id.Should().Be(fakeRecipeOne.Id);
+    }
+
+    [Fact]
+    public async Task can_filter_by_string_for_collection_does_not_contain()
+    {
+        // Arrange
+        var testingServiceScope = new TestingServiceScope();
+        var faker = new Faker();
+        var fakeIngredientOne = new FakeIngredientBuilder()
+            .WithName($"{faker.Lorem.Sentence()}partial")
+            .Build();
+        var fakeRecipeOne = new FakeRecipeBuilder().Build();
+        fakeRecipeOne.AddIngredient(fakeIngredientOne);
+
+        var fakeIngredientTwo = new FakeIngredientBuilder()
+            .WithName(faker.Lorem.Sentence())
+            .Build();
+        var fakeRecipeTwo = new FakeRecipeBuilder().Build();
+        fakeRecipeTwo.AddIngredient(fakeIngredientTwo);
+        await testingServiceScope.InsertAsync(fakeRecipeOne, fakeRecipeTwo);
+
+        var input = $"""Ingredients.Name !@= "partial" """;
+
+        // Act
+        var queryableRecipes = testingServiceScope.DbContext().Recipes;
+        var appliedQueryable = queryableRecipes.ApplyQueryKitFilter(input);
+        var recipes = await appliedQueryable.ToListAsync();
+
+        // Assert
+        recipes.FirstOrDefault(x => x.Id == fakeRecipeOne.Id).Should().BeNull();
+        recipes.FirstOrDefault(x => x.Id == fakeRecipeTwo.Id).Should().NotBeNull();
+    }
+
     [Fact]
     public async Task can_use_soundex_equals()
     {