add error pkg

internal/errors/already_exists_test.go

@@ -0,0 +1,34 @@
+package errors_test
+
+import (
+	"errors"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+
+	caos_errs "github.com/caos/utils/errors"
+)
+
+func TestAlreadyExistsError(t *testing.T) {
+	var alreadyExistsError interface{}
+	alreadyExistsError = new(caos_errs.AlreadyExistsError)
+	_, ok := alreadyExistsError.(caos_errs.AlreadyExists)
+	assert.True(t, ok)
+}
+
+func TestThrowAlreadyExistsf(t *testing.T) {
+	err := caos_errs.ThrowAlreadyExistsf(nil, "id", "msg")
+
+	_, ok := err.(*caos_errs.AlreadyExistsError)
+	assert.True(t, ok)
+}
+
+func TestIsErrorAlreadyExists(t *testing.T) {
+	err := caos_errs.ThrowAlreadyExists(nil, "id", "msg")
+	ok := caos_errs.IsErrorAlreadyExists(err)
+	assert.True(t, ok)
+
+	err = errors.New("Already Exists!")
+	ok = caos_errs.IsErrorAlreadyExists(err)
+	assert.False(t, ok)
+}