Fixed LINQ with camel case. (#909)

* Fixed linq with camel case.

* Updated changelog

Author: j82w

Microsoft.Azure.Cosmos/src/Linq/ExpressionToSQL.cs

@@ -86,8 +86,8 @@ public static class LinqMethods
         /// <returns>The corresponding SQL query.</returns>
         public static SqlQuery TranslateQuery(
             Expression inputExpression,
-            IDictionary<object, string> parameters = null,
-            CosmosSerializationOptions serializationOptions = null)
+            IDictionary<object, string> parameters,
+            CosmosSerializationOptions serializationOptions)
         {
             TranslationContext context = new TranslationContext(serializationOptions, parameters);
             ExpressionToSql.Translate(inputExpression, context); // ignore result here

Microsoft.Azure.Cosmos/src/Linq/SQLTranslator.cs

@@ -42,11 +42,11 @@ internal static string TranslateExpressionOld(
 
         internal static SqlQuerySpec TranslateQuery(
             Expression inputExpression,
-            CosmosSerializationOptions serializationOptions = null,
-            IDictionary<object, string> parameters = null)
+            CosmosSerializationOptions serializationOptions,
+            IDictionary<object, string> parameters)
         {
             inputExpression = ConstantEvaluator.PartialEval(inputExpression);
-            SqlQuery query = ExpressionToSql.TranslateQuery(inputExpression, parameters);
+            SqlQuery query = ExpressionToSql.TranslateQuery(inputExpression, parameters, serializationOptions);
             string queryText = null;
             SqlParameterCollection sqlParameters = new SqlParameterCollection();
             if (parameters != null && parameters.Count > 0)

Microsoft.Azure.Cosmos/tests/Microsoft.Azure.Cosmos.EmulatorTests/CosmosItemLinqTests.cs

@@ -404,15 +404,15 @@ public async Task QueryableExtentionFunctionsTest()
 
         [DataRow(false)]
         [DataRow(true)]
+        [TestMethod]
         public async Task ItemLINQWithCamelCaseSerializerOptions(bool isGatewayMode)
         {
             Action<CosmosClientBuilder> builder = action =>
             {
                 action.WithSerializerOptions(new CosmosSerializationOptions()
                 {
                     PropertyNamingPolicy = CosmosPropertyNamingPolicy.CamelCase
-                }
-                    );
+                });
                 if (isGatewayMode)
                 {
                     action.WithConnectionModeGateway();

changelog.md

@@ -5,7 +5,13 @@ Preview features are treated as a separate branch and will not be included in th
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
-## <a name="3.3.1"/> [3.3.0](https://www.nuget.org/packages/Microsoft.Azure.Cosmos/3.3.1) - 2019-10-11
+## Unreleased
+
+### Fixed
+
+- [#905](https://github.com/Azure/azure-cosmos-dotnet-v3/pull/909) Fixed linq camel case bug
+
+## <a name="3.3.1"/> [3.3.1](https://www.nuget.org/packages/Microsoft.Azure.Cosmos/3.3.1) - 2019-10-11
 
 ### Fixed