MM-17888 Check plugin Helpers minimum server version comments (#12663)

plugin/checker/check_helpers_test.go

@@ -0,0 +1,48 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See License.txt for license information.
+
+package main
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestCheckHelpersVersionComments(t *testing.T) {
+	testCases := []struct {
+		name, pkgPath string
+		expected      result
+		err           string
+	}{
+		{
+			name:     "valid versions",
+			pkgPath:  "github.com/mattermost/mattermost-server/plugin/checker/internal/test/valid",
+			expected: result{},
+		},
+		{
+			name:    "invalid versions",
+			pkgPath: "github.com/mattermost/mattermost-server/plugin/checker/internal/test/invalid",
+			expected: result{
+				Errors:   []string{"internal/test/invalid/invalid.go:20:2: documented minimum server version too low on method LowerVersionMethod"},
+				Warnings: []string{"internal/test/invalid/invalid.go:23:2: documented minimum server version too high on method HigherVersionMethod"},
+			},
+		},
+	}
+
+	for _, tc := range testCases {
+		t.Run(tc.name, func(t *testing.T) {
+			assert := assert.New(t)
+
+			res, err := checkHelpersVersionComments(tc.pkgPath)
+			assert.Equal(tc.expected, res)
+
+			if tc.err != "" {
+				assert.EqualError(err, tc.err)
+			} else {
+				assert.NoError(err)
+			}
+
+		})
+	}
+}