search_error_test.go RawHistoryFolder

1package copy
2
3import (
4	"errors"
5	"testing"
6
7	"github.com/stretchr/testify/require"
8)
9
10func TestFindMatchesDiscardsPartialResultsOnHistoryError(t *testing.T) {
11	for _, tc := range []struct {
12		name    string
13		yielded bool
14	}{
15		{name: "before rows"},
16		{name: "after match", yielded: true},
17	} {
18		t.Run(tc.name, func(t *testing.T) {
19			m := modeFor([]string{"match"}, 1)
20			require.True(t, m.Search("match"))
21			matches := findMatches("match", func(yield func(int, []rune, []int, int) bool) error {
22				if tc.yielded {
23					require.True(t, yield(0, []rune("match"), []int{0, 1, 2, 3, 4}, 5))
24				}
25				return errors.New("corrupt cold history")
26			})
27			require.Nil(t, matches)
28			require.False(t, m.SetSearchMatches("match", matches, 0))
29			require.Empty(t, m.Searches)
30			require.Equal(t, -1, m.SearchIndex)
31		})
32	}
33}