AdGuardHome/internal/aghos/filewalker_internal_test.go

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package aghos
import (
"io/fs"
"path"
"testing"
"testing/fstest"
"github.com/AdguardTeam/golibs/errors"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
// errFS is an fs.FS implementation, method Open of which always returns
// errFSOpen.
type errFS struct{}
// errFSOpen is returned from errFS.Open.
const errFSOpen errors.Error = "test open error"
// Open implements the fs.FS interface for *errFS. fsys is always nil and err
// is always errFSOpen.
func (efs *errFS) Open(name string) (fsys fs.File, err error) {
return nil, errFSOpen
}
func TestWalkerFunc_CheckFile(t *testing.T) {
emptyFS := fstest.MapFS{}
t.Run("non-existing", func(t *testing.T) {
_, ok, err := checkFile(emptyFS, nil, "lol")
require.NoError(t, err)
assert.True(t, ok)
})
t.Run("invalid_argument", func(t *testing.T) {
_, ok, err := checkFile(&errFS{}, nil, "")
require.ErrorIs(t, err, errFSOpen)
assert.False(t, ok)
})
t.Run("ignore_dirs", func(t *testing.T) {
const dirName = "dir"
testFS := fstest.MapFS{
path.Join(dirName, "file"): &fstest.MapFile{Data: []byte{}},
}
patterns, ok, err := checkFile(testFS, nil, dirName)
require.NoError(t, err)
assert.Empty(t, patterns)
assert.True(t, ok)
})
}