fix: enums in body got parse incorrectly (#1625)

Author: hohobilly

operation.go

@@ -381,7 +381,8 @@ func (operation *Operation) ParseParamComment(commentLine string, astFile *ast.F
 		return fmt.Errorf("%s is not supported paramType", paramType)
 	}
 
-	err := operation.parseParamAttribute(commentLine, objectType, refType, &param)
+	err := operation.parseParamAttribute(commentLine, objectType, refType, paramType, &param)
+
 	if err != nil {
 		return err
 	}
@@ -436,7 +437,7 @@ var regexAttributes = map[string]*regexp.Regexp{
 	schemaExampleTag: regexp.MustCompile(`(?i)\s+schemaExample\(.*\)`),
 }
 
-func (operation *Operation) parseParamAttribute(comment, objectType, schemaType string, param *spec.Parameter) error {
+func (operation *Operation) parseParamAttribute(comment, objectType, schemaType, paramType string, param *spec.Parameter) error {
 	schemaType = TransToValidSchemeType(schemaType)
 
 	for attrKey, re := range regexAttributes {
@@ -447,7 +448,7 @@ func (operation *Operation) parseParamAttribute(comment, objectType, schemaType
 
 		switch attrKey {
 		case enumsTag:
-			err = setEnumParam(param, attr, objectType, schemaType)
+			err = setEnumParam(param, attr, objectType, schemaType, paramType)
 		case minimumTag, maximumTag:
 			err = setNumberParam(param, attrKey, schemaType, attr, comment)
 		case defaultTag:
@@ -526,7 +527,7 @@ func setNumberParam(param *spec.Parameter, name, schemaType, attr, commentLine s
 	}
 }
 
-func setEnumParam(param *spec.Parameter, attr, objectType, schemaType string) error {
+func setEnumParam(param *spec.Parameter, attr, objectType, schemaType, paramType string) error {
 	for _, e := range strings.Split(attr, ",") {
 		e = strings.TrimSpace(e)
 
@@ -539,7 +540,12 @@ func setEnumParam(param *spec.Parameter, attr, objectType, schemaType string) er
 		case ARRAY:
 			param.Items.Enum = append(param.Items.Enum, value)
 		default:
-			param.Enum = append(param.Enum, value)
+			switch paramType {
+			case "body":
+				param.Schema.Enum = append(param.Schema.Enum, value)
+			default:
+				param.Enum = append(param.Enum, value)
+			}
 		}
 	}
 

operation_test.go

@@ -1383,6 +1383,36 @@ func TestParseParamCommentByBodyTextPlain(t *testing.T) {
 	assert.Equal(t, expected, string(b))
 }
 
+// TODO: fix this
+func TestParseParamCommentByBodyEnumsText(t *testing.T) {
+	t.Parallel()
+
+	comment := `@Param text body string true "description" Enums(ENUM1, ENUM2, ENUM3)`
+	operation := NewOperation(nil)
+
+	err := operation.ParseComment(comment, nil)
+
+	assert.NoError(t, err)
+	b, _ := json.MarshalIndent(operation.Parameters, "", "    ")
+	expected := `[
+    {
+        "description": "description",
+        "name": "text",
+        "in": "body",
+        "required": true,
+        "schema": {
+            "type": "string",
+            "enum": [
+                "ENUM1",
+                "ENUM2",
+                "ENUM3"
+            ]
+        }
+    }
+]`
+	assert.Equal(t, expected, string(b))
+}
+
 func TestParseParamCommentByBodyTypeWithDeepNestedFields(t *testing.T) {
 	t.Parallel()
 
@@ -1968,6 +1998,7 @@ func TestParseAndExtractionParamAttribute(t *testing.T) {
 		" default(1) maximum(100) minimum(0) format(csv)",
 		"",
 		NUMBER,
+		"",
 		&numberParam,
 	)
 	assert.NoError(t, err)
@@ -1976,38 +2007,39 @@ func TestParseAndExtractionParamAttribute(t *testing.T) {
 	assert.Equal(t, "csv", numberParam.SimpleSchema.Format)
 	assert.Equal(t, float64(1), numberParam.Default)
 
-	err = op.parseParamAttribute(" minlength(1)", "", NUMBER, nil)
+	err = op.parseParamAttribute(" minlength(1)", "", NUMBER, "", nil)
 	assert.Error(t, err)
 
-	err = op.parseParamAttribute(" maxlength(1)", "", NUMBER, nil)
+	err = op.parseParamAttribute(" maxlength(1)", "", NUMBER, "", nil)
 	assert.Error(t, err)
 
 	stringParam := spec.Parameter{}
 	err = op.parseParamAttribute(
 		" default(test) maxlength(100) minlength(0) format(csv)",
 		"",
 		STRING,
+		"",
 		&stringParam,
 	)
 	assert.NoError(t, err)
 	assert.Equal(t, int64(0), *stringParam.MinLength)
 	assert.Equal(t, int64(100), *stringParam.MaxLength)
 	assert.Equal(t, "csv", stringParam.SimpleSchema.Format)
-	err = op.parseParamAttribute(" minimum(0)", "", STRING, nil)
+	err = op.parseParamAttribute(" minimum(0)", "", STRING, "", nil)
 	assert.Error(t, err)
 
-	err = op.parseParamAttribute(" maximum(0)", "", STRING, nil)
+	err = op.parseParamAttribute(" maximum(0)", "", STRING, "", nil)
 	assert.Error(t, err)
 
 	arrayParram := spec.Parameter{}
-	err = op.parseParamAttribute(" collectionFormat(tsv)", ARRAY, STRING, &arrayParram)
+	err = op.parseParamAttribute(" collectionFormat(tsv)", ARRAY, STRING, "", &arrayParram)
 	assert.Equal(t, "tsv", arrayParram.CollectionFormat)
 	assert.NoError(t, err)
 
-	err = op.parseParamAttribute(" collectionFormat(tsv)", STRING, STRING, nil)
+	err = op.parseParamAttribute(" collectionFormat(tsv)", STRING, STRING, "", nil)
 	assert.Error(t, err)
 
-	err = op.parseParamAttribute(" default(0)", "", ARRAY, nil)
+	err = op.parseParamAttribute(" default(0)", "", ARRAY, "", nil)
 	assert.NoError(t, err)
 }