Added and updated tests for fall back languages

src/Umbraco.Tests/Persistence/Repositories/LanguageRepositoryTest.cs

@@ -47,6 +47,7 @@ namespace Umbraco.Tests.Persistence.Repositories
                 Assert.That(language.HasIdentity, Is.True);
                 Assert.That(language.CultureName, Is.EqualTo("en-US"));
                 Assert.That(language.IsoCode, Is.EqualTo("en-US"));
+                Assert.That(language.FallbackLanguage, Is.Null);
             }
         }
 
@@ -61,7 +62,8 @@ namespace Umbraco.Tests.Persistence.Repositories
                 var au = CultureInfo.GetCultureInfo("en-AU");
                 var language = (ILanguage)new Language(au.Name)
                 {
-                    CultureName = au.DisplayName
+                    CultureName = au.DisplayName,
+                    FallbackLanguage = repository.Get(1)
                 };
                 repository.Save(language);
 
@@ -73,6 +75,7 @@ namespace Umbraco.Tests.Persistence.Repositories
                 Assert.That(language.HasIdentity, Is.True);
                 Assert.That(language.CultureName, Is.EqualTo(au.DisplayName));
                 Assert.That(language.IsoCode, Is.EqualTo(au.Name));
+                Assert.That(language.FallbackLanguage.IsoCode, Is.EqualTo("en-US"));
             }
         }
 
@@ -182,7 +185,7 @@ namespace Umbraco.Tests.Persistence.Repositories
                 var repository = CreateRepository(provider);
 
                 // Act
-                var languageBR = new Language("pt-BR") {CultureName = "pt-BR"};
+                var languageBR = new Language("pt-BR") { CultureName = "pt-BR" };
                 repository.Save(languageBR);
 
                 // Assert
@@ -190,6 +193,7 @@ namespace Umbraco.Tests.Persistence.Repositories
                 Assert.That(languageBR.Id, Is.EqualTo(6)); //With 5 existing entries the Id should be 6
                 Assert.IsFalse(languageBR.IsDefaultVariantLanguage);
                 Assert.IsFalse(languageBR.Mandatory);
+                Assert.IsNull(languageBR.FallbackLanguage);
             }
         }
 
@@ -211,6 +215,31 @@ namespace Umbraco.Tests.Persistence.Repositories
                 Assert.That(languageBR.Id, Is.EqualTo(6)); //With 5 existing entries the Id should be 6
                 Assert.IsTrue(languageBR.IsDefaultVariantLanguage);
                 Assert.IsTrue(languageBR.Mandatory);
+                Assert.IsNull(languageBR.FallbackLanguage);
+            }
+        }
+
+        [Test]
+        public void Can_Perform_Add_On_LanguageRepository_With_Fallback_Language()
+        {
+            // Arrange
+            var provider = TestObjects.GetScopeProvider(Logger);
+            using (var scope = provider.CreateScope())
+            {
+                var repository = CreateRepository(provider);
+
+                // Act
+                var languageBR = new Language("pt-BR")
+                    {
+                        CultureName = "pt-BR",
+                        FallbackLanguage = repository.Get(1)
+                    };
+                repository.Save(languageBR);
+
+                // Assert
+                Assert.That(languageBR.HasIdentity, Is.True);
+                Assert.That(languageBR.Id, Is.EqualTo(6)); //With 5 existing entries the Id should be 6
+                Assert.That(languageBR.FallbackLanguage.IsoCode, Is.EqualTo("en-US"));
             }
         }
 
@@ -232,13 +261,11 @@ namespace Umbraco.Tests.Persistence.Repositories
                 Assert.IsTrue(languageBR.Mandatory);
 
                 // Act
-
                 var languageNZ = new Language("en-NZ") { CultureName = "en-NZ", IsDefaultVariantLanguage = true, Mandatory = true };
                 repository.Save(languageNZ);
                 languageBR = repository.Get(languageBR.Id);
 
                 // Assert
-
                 Assert.IsFalse(languageBR.IsDefaultVariantLanguage);
                 Assert.IsTrue(languageNZ.IsDefaultVariantLanguage);
             }
@@ -257,6 +284,7 @@ namespace Umbraco.Tests.Persistence.Repositories
                 var language = repository.Get(5);
                 language.IsoCode = "pt-BR";
                 language.CultureName = "pt-BR";
+                language.FallbackLanguage = repository.Get(1);
 
                 repository.Save(language);
 
@@ -266,6 +294,7 @@ namespace Umbraco.Tests.Persistence.Repositories
                 Assert.That(languageUpdated, Is.Not.Null);
                 Assert.That(languageUpdated.IsoCode, Is.EqualTo("pt-BR"));
                 Assert.That(languageUpdated.CultureName, Is.EqualTo("pt-BR"));
+                Assert.That(languageUpdated.FallbackLanguage.IsoCode, Is.EqualTo("en-US"));
             }
         }
 
@@ -314,7 +343,7 @@ namespace Umbraco.Tests.Persistence.Repositories
             base.TearDown();
         }
 
-        public void CreateTestData()
+        private void CreateTestData()
         {
             var languageDK = new Language("da-DK") { CultureName = "da-DK" };
             ServiceContext.LocalizationService.Save(languageDK);//Id 2