Warn when dab validate finds zero entities in the config

src/Cli.Tests/ConfigureOptionsTests.cs

@@ -811,7 +811,7 @@ public void TestDatabaseTypeUpdate(string dbType)
             string updatedConfig = _fileSystem!.File.ReadAllText(TEST_RUNTIME_CONFIG_FILE);
             Assert.IsTrue(RuntimeConfigLoader.TryParseConfig(updatedConfig, out RuntimeConfig? config));
             Assert.IsNotNull(config.Runtime);
-            Assert.AreEqual(config.DataSource.DatabaseType, Enum.Parse<DatabaseType>(dbType, ignoreCase: true));
+            Assert.AreEqual(config.DataSource!.DatabaseType, Enum.Parse<DatabaseType>(dbType, ignoreCase: true));
         }
 
         /// <summary>
@@ -841,7 +841,7 @@ public void TestDatabaseTypeUpdateCosmosDB_NoSQLToMSSQL()
             string updatedConfig = _fileSystem!.File.ReadAllText(TEST_RUNTIME_CONFIG_FILE);
             Assert.IsTrue(RuntimeConfigLoader.TryParseConfig(updatedConfig, out RuntimeConfig? config));
             Assert.IsNotNull(config.Runtime);
-            Assert.AreEqual(config.DataSource.DatabaseType, DatabaseType.MSSQL);
+            Assert.AreEqual(config.DataSource!.DatabaseType, DatabaseType.MSSQL);
             Assert.AreEqual(config.DataSource.Options!.GetValueOrDefault("set-session-context", false), true);
             Assert.IsFalse(config.DataSource.Options!.ContainsKey("database"));
             Assert.IsFalse(config.DataSource.Options!.ContainsKey("container"));
@@ -877,7 +877,7 @@ public void TestDatabaseTypeUpdateMSSQLToCosmosDB_NoSQL()
             string updatedConfig = _fileSystem!.File.ReadAllText(TEST_RUNTIME_CONFIG_FILE);
             Assert.IsTrue(RuntimeConfigLoader.TryParseConfig(updatedConfig, out RuntimeConfig? config));
             Assert.IsNotNull(config.Runtime);
-            Assert.AreEqual(config.DataSource.DatabaseType, DatabaseType.CosmosDB_NoSQL);
+            Assert.AreEqual(config.DataSource!.DatabaseType, DatabaseType.CosmosDB_NoSQL);
             Assert.AreEqual(config.DataSource.Options!.GetValueOrDefault("database"), "testdb");
             Assert.AreEqual(config.DataSource.Options!.GetValueOrDefault("container"), "testcontainer");
             Assert.AreEqual(config.DataSource.Options!.GetValueOrDefault("schema"), "testschema.gql");

src/Cli.Tests/EndToEndTests.cs

@@ -65,7 +65,7 @@ public Task TestInitForCosmosDBNoSql()
 
         Assert.IsNotNull(runtimeConfig);
         Assert.IsTrue(runtimeConfig.AllowIntrospection);
-        Assert.AreEqual(DatabaseType.CosmosDB_NoSQL, runtimeConfig.DataSource.DatabaseType);
+        Assert.AreEqual(DatabaseType.CosmosDB_NoSQL, runtimeConfig.DataSource!.DatabaseType);
         CosmosDbNoSQLDataSourceOptions? cosmosDataSourceOptions = runtimeConfig.DataSource.GetTypedOptions<CosmosDbNoSQLDataSourceOptions>();
         Assert.IsNotNull(cosmosDataSourceOptions);
         Assert.AreEqual("graphqldb", cosmosDataSourceOptions.Database);
@@ -93,7 +93,7 @@ public void TestInitForCosmosDBPostgreSql()
         Assert.IsTrue(_runtimeConfigLoader!.TryLoadConfig(TEST_RUNTIME_CONFIG_FILE, out RuntimeConfig? runtimeConfig));
 
         Assert.IsNotNull(runtimeConfig);
-        Assert.AreEqual(DatabaseType.CosmosDB_PostgreSQL, runtimeConfig.DataSource.DatabaseType);
+        Assert.AreEqual(DatabaseType.CosmosDB_PostgreSQL, runtimeConfig.DataSource!.DatabaseType);
         Assert.IsNotNull(runtimeConfig.Runtime);
         Assert.IsNotNull(runtimeConfig.Runtime.Rest);
         Assert.AreEqual("/rest-api", runtimeConfig.Runtime.Rest.Path);
@@ -124,7 +124,7 @@ public void TestInitializingRestAndGraphQLGlobalSettings()
             out RuntimeConfig? runtimeConfig,
             replacementSettings: replacementSettings));
 
-        SqlConnectionStringBuilder builder = new(runtimeConfig.DataSource.ConnectionString);
+        SqlConnectionStringBuilder builder = new(runtimeConfig.DataSource!.ConnectionString);
         Assert.AreEqual(ProductInfo.GetDataApiBuilderUserAgent(), builder.ApplicationName);
 
         Assert.IsNotNull(runtimeConfig);
@@ -205,7 +205,7 @@ public void TestEnablingMultipleCreateOperation(CliBool isMultipleCreateEnabled,
             replacementSettings: replacementSettings));
 
         Assert.IsNotNull(runtimeConfig);
-        Assert.AreEqual(expectedDbType, runtimeConfig.DataSource.DatabaseType);
+        Assert.AreEqual(expectedDbType, runtimeConfig.DataSource!.DatabaseType);
         Assert.IsNotNull(runtimeConfig.Runtime);
         Assert.IsNotNull(runtimeConfig.Runtime.GraphQL);
         if (runtimeConfig.DataSource.DatabaseType is DatabaseType.MSSQL && isMultipleCreateEnabled is not CliBool.None)
@@ -244,7 +244,7 @@ public void TestAddEntity()
 
         Assert.IsTrue(_runtimeConfigLoader!.TryLoadConfig(TEST_RUNTIME_CONFIG_FILE, out RuntimeConfig? addRuntimeConfig));
         Assert.IsNotNull(addRuntimeConfig);
-        Assert.AreEqual(TEST_ENV_CONN_STRING, addRuntimeConfig.DataSource.ConnectionString);
+        Assert.AreEqual(TEST_ENV_CONN_STRING, addRuntimeConfig.DataSource!.ConnectionString);
         Assert.AreEqual(1, addRuntimeConfig.Entities.Count()); // 1 new entity added
         Assert.IsTrue(addRuntimeConfig.Entities.ContainsKey("todo"));
         Entity entity = addRuntimeConfig.Entities["todo"];

src/Cli.Tests/ModuleInitializer.cs

@@ -119,6 +119,14 @@ public static void Init()
         VerifierSettings.IgnoreMember<DataSource>(dataSource => dataSource.DatabaseTypeNotSupportedMessage);
         // Ignore DefaultDataSourceName as that's not serialized in our config file.
         VerifierSettings.IgnoreMember<RuntimeConfig>(config => config.DefaultDataSourceName);
+        // Ignore IsRootConfig as that's a computed property for validation, not serialized.
+        VerifierSettings.IgnoreMember<RuntimeConfig>(config => config.IsRootConfig);
+        // Ignore IsChildConfig as that's a runtime flag for validation, not serialized.
+        VerifierSettings.IgnoreMember<RuntimeConfig>(config => config.IsChildConfig);
+        // Ignore AutoentityResolutionCounts as that's populated at runtime during metadata initialization.
+        VerifierSettings.IgnoreMember<RuntimeConfig>(config => config.AutoentityResolutionCounts);
+        // Ignore ChildConfigs as that's populated at runtime during child config loading.
+        VerifierSettings.IgnoreMember<RuntimeConfig>(config => config.ChildConfigs);
         // Ignore MaxResponseSizeMB as as that's unimportant from a test standpoint.
         VerifierSettings.IgnoreMember<HostOptions>(options => options.MaxResponseSizeMB);
         // Ignore UserProvidedMaxResponseSizeMB as that's not serialized in our config file.

src/Cli.Tests/UserDelegatedAuthRuntimeParsingTests.cs

@@ -50,7 +50,7 @@ public void TestRuntimeCanParseUserDelegatedAuthConfig()
             // Assert
             Assert.IsTrue(success);
             Assert.IsNotNull(config);
-            Assert.IsNotNull(config.DataSource.UserDelegatedAuth);
+            Assert.IsNotNull(config.DataSource!.UserDelegatedAuth);
             Assert.IsTrue(config.DataSource.UserDelegatedAuth.Enabled);
             Assert.AreEqual("https://database.windows.net", config.DataSource.UserDelegatedAuth.DatabaseAudience);
         }
@@ -95,7 +95,7 @@ public void TestRuntimeCanParseConfigWithoutUserDelegatedAuth()
             // Assert
             Assert.IsTrue(success);
             Assert.IsNotNull(config);
-            Assert.IsNull(config.DataSource.UserDelegatedAuth);
+            Assert.IsNull(config.DataSource!.UserDelegatedAuth);
         }
     }
 }