feat: support setVariable pipelineReturnValues

src/AzureDataFactory.TestingFramework/Generated/Models/SetVariableActivity.Serialization.cs

@@ -106,6 +106,7 @@ internal static SetVariableActivity DeserializeSetVariableActivity(JsonElement e
             Optional<IList<PipelineActivityUserProperty>> userProperties = default;
             Optional<string> variableName = default;
             Optional<DataFactoryElement<string>> value = default;
+            Optional<Dictionary<string, DataFactoryElement<string>>> pipelineReturnValues = default;
             Optional<bool> setSystemVariable = default;
             IDictionary<string, DataFactoryElement<string>> additionalProperties = default;
             Dictionary<string, DataFactoryElement<string>> additionalPropertiesDictionary = new Dictionary<string, DataFactoryElement<string>>();
@@ -201,6 +202,16 @@ internal static SetVariableActivity DeserializeSetVariableActivity(JsonElement e
                             {
                                 continue;
                             }
+
+                            if (property0.Value.ValueKind == JsonValueKind.Array)
+                            {
+                                pipelineReturnValues = new Dictionary<string, DataFactoryElement<string>>();
+                                foreach (var item in property0.Value.EnumerateArray())
+                                    pipelineReturnValues.Value.Add(item.GetProperty("key"u8).GetString(), JsonSerializer.Deserialize<DataFactoryElement<string>>(item.GetProperty("value"u8).GetRawText()));
+
+                                continue;
+                            }
+
                             value = JsonSerializer.Deserialize<DataFactoryElement<string>>(property0.Value.GetRawText());
                             continue;
                         }
@@ -219,7 +230,7 @@ internal static SetVariableActivity DeserializeSetVariableActivity(JsonElement e
                 additionalPropertiesDictionary.Add(property.Name, JsonSerializer.Deserialize<DataFactoryElement<string>>(property.Value.GetRawText()));
             }
             additionalProperties = additionalPropertiesDictionary;
-            return new SetVariableActivity(name, type, description.Value, Optional.ToNullable(state), Optional.ToNullable(onInactiveMarkAs), Optional.ToList(dependsOn), Optional.ToList(userProperties), additionalProperties, policy.Value, variableName.Value, value.Value, Optional.ToNullable(setSystemVariable));
+            return new SetVariableActivity(name, type, description.Value, Optional.ToNullable(state), Optional.ToNullable(onInactiveMarkAs), Optional.ToList(dependsOn), Optional.ToList(userProperties), additionalProperties, policy.Value, variableName.Value, value.Value, pipelineReturnValues.Value, Optional.ToNullable(setSystemVariable));
         }
     }
 }

src/AzureDataFactory.TestingFramework/Generated/Models/SetVariableActivity.cs

@@ -36,11 +36,12 @@ public SetVariableActivity(string name) : base(name)
         /// <param name="variableName"> Name of the variable whose value needs to be set. </param>
         /// <param name="value"> Value to be set. Could be a static value or Expression. </param>
         /// <param name="setSystemVariable"> If set to true, it sets the pipeline run return value. </param>
-        internal SetVariableActivity(string name, string activityType, string description, PipelineActivityState? state, ActivityOnInactiveMarkAs? onInactiveMarkAs, IList<PipelineActivityDependency> dependsOn, IList<PipelineActivityUserProperty> userProperties, IDictionary<string, DataFactoryElement<string>> additionalProperties, SecureInputOutputPolicy policy, string variableName, DataFactoryElement<string> value, bool? setSystemVariable) : base(name, activityType, description, state, onInactiveMarkAs, dependsOn, userProperties, additionalProperties)
+        internal SetVariableActivity(string name, string activityType, string description, PipelineActivityState? state, ActivityOnInactiveMarkAs? onInactiveMarkAs, IList<PipelineActivityDependency> dependsOn, IList<PipelineActivityUserProperty> userProperties, IDictionary<string, DataFactoryElement<string>> additionalProperties, SecureInputOutputPolicy policy, string variableName, DataFactoryElement<string> value, Dictionary<string, DataFactoryElement<string>> pipelineReturnValues, bool? setSystemVariable) : base(name, activityType, description, state, onInactiveMarkAs, dependsOn, userProperties, additionalProperties)
         {
             Policy = policy;
             VariableName = variableName;
             Value = value;
+            PipelineReturnValues = pipelineReturnValues;
             SetSystemVariable = setSystemVariable;
             ActivityType = activityType ?? "SetVariable";
         }
@@ -51,6 +52,8 @@ internal SetVariableActivity(string name, string activityType, string descriptio
         public string VariableName { get; set; }
         /// <summary> Value to be set. Could be a static value or Expression. </summary>
         public DataFactoryElement<string> Value { get; set; }
+        /// <summary> Value to be set. Could be a static value or Expression. </summary>
+        public Dictionary<string, DataFactoryElement<string>> PipelineReturnValues { get; set; }
         /// <summary> If set to true, it sets the pipeline run return value. </summary>
         public bool? SetSystemVariable { get; set; }
     }

src/AzureDataFactory.TestingFramework/Models/Activities/SetVariableActivity/SetVariableActivity.cs

@@ -9,6 +9,10 @@ public override PipelineActivity Evaluate(PipelineRunState state)
     {
         base.Evaluate(state);
 
+        // If SetVariable is used for setting return values, local variables are ignored
+        if (VariableName == "pipelineReturnValue")
+            return this;
+
         var existingVariable = state.Variables.SingleOrDefault(variable => variable.Name == VariableName) ??
                                throw new VariableBeingEvaluatedDoesNotExistException(VariableName);
 

src/AzureDataFactory.TestingFramework/Shared/DataFactoryElementJsonConverter.cs

@@ -334,7 +334,21 @@ private static bool TryGetNonLiteral<T>(JsonElement json, out DataFactoryElement
                         // Expression should only have two properties: type and value
                         return false;
                     }
-                    var expressionValue = json.GetProperty("value").GetString();
+
+                    string expressionValue = null;
+                    if (json.TryGetProperty("value", out var value))
+                    {
+                        expressionValue = value.GetString();
+                    }
+                    else if (json.TryGetProperty("content", out var content))
+                    {
+                        expressionValue = content.GetString();
+                    }
+                    else
+                    {
+                        throw new JsonException("Expression object does not have a value or content property.");
+                    }
+
                     element = new DataFactoryElement<T?>(expressionValue, DataFactoryElementKind.Expression);
                 }
                 else