Исходники и презентации

homework/errors/homework_test.go

@@ -0,0 +1,33 @@
+package main
+
+import (
+	"errors"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+)
+
+// go test -v homework_test.go
+
+type MultiError struct {
+	// need to implement
+}
+
+func (e *MultiError) Error() string {
+	// need to implement
+	return ""
+}
+
+func Append(err error, errs ...error) *MultiError {
+	// need to implement
+	return nil
+}
+
+func TestMultiError(t *testing.T) {
+	var err error
+	err = Append(err, errors.New("error 1"))
+	err = Append(err, errors.New("error 2"))
+
+	expectedMessage := "2 errors occured:\n\t* error 1\t* error 2\n"
+	assert.EqualError(t, err, expectedMessage)
+}