fix: formData parameters in only supports files type (#146)

operation.go

@@ -129,7 +129,7 @@ func (operation *Operation) ParseParamComment(commentLine string) error {
 			}
 		}
 	case "formData":
-		param = createParameter(paramType, description, name, "file", required)
+		param = createParameter(paramType, description, name, TransToValidSchemeType(schemaType), required)
 	}
 	param = operation.parseAndExtractionParamAttribute(commentLine, schemaType, param)
 	operation.Operation.Parameters = append(operation.Operation.Parameters, param)

operation_test.go

@@ -315,7 +315,7 @@ func TestParseParamCommentByBodyTypeErr(t *testing.T) {
 }
 
 func TestParseParamCommentByFormDataType(t *testing.T) {
-	comment := `@Param   file formData file true  "this is a test file"`
+	comment := `@Param file formData file true "this is a test file"`
 	operation := NewOperation()
 	operation.parser = New()
 
@@ -337,6 +337,29 @@ func TestParseParamCommentByFormDataType(t *testing.T) {
 	assert.Equal(t, expected, string(b))
 }
 
+func TestParseParamCommentByFormDataTypeUint64(t *testing.T) {
+	comment := `@Param file formData uint64 true "this is a test file"`
+	operation := NewOperation()
+	operation.parser = New()
+
+	err := operation.ParseComment(comment)
+	assert.NoError(t, err)
+
+	b, _ := json.MarshalIndent(operation, "", "    ")
+	expected := `{
+    "parameters": [
+        {
+            "type": "integer",
+            "description": "this is a test file",
+            "name": "file",
+            "in": "formData",
+            "required": true
+        }
+    ]
+}`
+	assert.Equal(t, expected, string(b))
+}
+
 func TestParseParamCommentNotMatch(t *testing.T) {
 	comment := `@Param some_id body mock true`
 	operation := NewOperation()

schema.go

@@ -12,7 +12,7 @@ func CheckSchemaType(typeName string) {
 	}
 }
 
-// TransToValidSchemeType is int type will transfer to integer which is goswagger supported type
+// TransToValidSchemeType indicates type will transfer golang basic type to swagger supported type.
 func TransToValidSchemeType(typeName string) string {
 	switch typeName {
 	case "uint", "int", "uint8", "int8", "uint16", "int16", "byte":
@@ -28,7 +28,6 @@ func TransToValidSchemeType(typeName string) string {
 	case "string":
 		return "string"
 	default:
-		// panic(fmt.Errorf("%s is not valid go basic types", typeName))
 		return typeName // to support user defined types
 	}
 }