typo in timeout tests + adding tests for standarderror

internal/pkg/standarderror/standarderror_test.go

@@ -0,0 +1,70 @@
+package standarderror
+
+import (
+	"errors"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func scenario1() error {
+	rootErr := errors.New("root error")
+	nestedErr := &Error{
+		Code:    Invalid,
+		Op:      "bar",
+		Message: "nested error",
+		Err:     rootErr,
+	}
+	err := &Error{
+		Op:  "foo",
+		Err: nestedErr,
+	}
+	return err
+}
+
+func scenario2() error {
+	nestedErr := &Error{
+		Code:    Invalid,
+		Op:      "bar",
+		Message: "nested error",
+	}
+	err := &Error{
+		Code: Internal,
+		Op:   "foo",
+		Err:  nestedErr,
+	}
+	return err
+}
+
+func TestError(t *testing.T) {
+	err := scenario1()
+	assert.Equal(t, "root error", err.Error())
+	err = scenario2()
+	assert.Equal(t, "<invalid> nested error", err.Error())
+}
+
+func TestCode(t *testing.T) {
+	assert.Equal(t, "", Code(nil))
+	err := scenario1()
+	assert.Equal(t, Invalid, Code(err))
+	err = scenario2()
+	assert.Equal(t, Internal, Code(err))
+	err = errors.New("some error")
+	assert.Equal(t, Internal, Code(err))
+}
+
+func TestMessage(t *testing.T) {
+	assert.Equal(t, "", Message(nil))
+	err := scenario1()
+	assert.Equal(t, "nested error", Message(err))
+	err = errors.New("some error")
+	assert.Equal(t, defaultMessage, Message(err))
+}
+
+func TestOp(t *testing.T) {
+	assert.Equal(t, "", Op(nil))
+	err := scenario1()
+	assert.Equal(t, "foo: bar", Op(err))
+	err = errors.New("some error")
+	assert.Equal(t, "", Op(err))
+}