add: import code

портирован код из старого репозитория https://di9.ru/git/Voomra/Conventional-Commits

internal/commitlint/commitlint_test.go

@@ -0,0 +1,35 @@
+package commitlint
+
+import (
+	"github.com/stretchr/testify/assert"
+	"os"
+	"testing"
+)
+
+func TestReadCommitMessage(t *testing.T) {
+	createTmpFile := func() string {
+		tmpFile, err := os.CreateTemp("", "COMMIT_EDITMSG")
+		if err != nil {
+			panic(err)
+		}
+		defer func(tmpFile *os.File) {
+			_ = tmpFile.Close()
+		}(tmpFile)
+
+		_, err = tmpFile.WriteString("Line 1\nLine 2\nLine 3")
+		if err != nil {
+			panic(err)
+		}
+
+		return tmpFile.Name()
+	}
+
+	exceptedContent := []string{"Line 1", "Line 2", "Line 3"}
+
+	message, err := ReadCommitMessage(createTmpFile())
+	if err != nil {
+		panic(err)
+	}
+
+	assert.Equal(t, exceptedContent, message)
+}