add wasCalledTimesVariable in func mocker

Author: wangjiejacques

CodeGeneratorTests/FuncMockTests.swift

@@ -31,6 +31,9 @@ class FuncMockerTests: XCTestCase {
         XCTAssertEqual(funcMocker.sensibleVariables[3], VarSignature(string: " var testSuccessHandlerParam1: Int!"))
         XCTAssertEqual(funcMocker.sensibleVariables[4], VarSignature(string: " var testSuccessHandlerDidReturn: String?"))
         XCTAssertEqual(funcMocker.wasCalledVariable, VarSignature(string: " var testFuncMockWasCalled: Bool?"))
+        var wasCalledTimesVar = VarSignature(declaration: "var", name: "testFuncMockWasCalledTimes", type: "Int", accessLevel: .internal)
+        wasCalledTimesVar.initValue = "0"
+        XCTAssertEqual(funcMocker.wasCalledTimesVariable, wasCalledTimesVar)
         XCTAssertEqual(funcMocker.returnVariable, VarSignature(string: " var testFuncMockShouldReturn: String!"))
 
         var expectedBodyLines = string(from: "funcMock", ofType: "txt").components(separatedBy: "\n")

Generate.../FuncMocker.swift

@@ -28,6 +28,12 @@ struct FuncMocker {
         return VarSignature(declaration: "var", name:  funcSignature.readableName + "WasCalled", type: "Bool?")
     }
 
+    var wasCalledTimesVariable: VarSignature {
+        var varSignature = VarSignature(declaration: "var", name: funcSignature.readableName + "WasCalledTimes", type: "Int")
+        varSignature.initValue = "0"
+        return varSignature
+    }
+
     var returnVariable: VarSignature? {
         if funcSignature.isReturnVoid {
             return nil