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package file
import (
"io/fs"
"testing"
"testing/fstest"
"github.com/hairyhenderson/gomplate/v4/internal/datafs"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
func TestRead(t *testing.T) {
oldFS := fsys
defer func() { fsys = oldFS }()
fsys = datafs.WrapWdFS(fstest.MapFS{
"tmp": &fstest.MapFile{Mode: fs.ModeDir | 0o777},
"tmp/foo": &fstest.MapFile{Data: []byte("foo")},
})
actual, err := Read("/tmp/foo")
require.NoError(t, err)
assert.Equal(t, "foo", actual)
_, err = Read("/tmp/bar")
assert.Error(t, err)
}
func TestReadDir(t *testing.T) {
oldFS := fsys
defer func() { fsys = oldFS }()
fsys = datafs.WrapWdFS(fstest.MapFS{
"tmp": &fstest.MapFile{Mode: fs.ModeDir | 0o777},
"tmp/foo": &fstest.MapFile{Data: []byte("foo")},
"tmp/bar": &fstest.MapFile{Data: []byte("bar")},
"tmp/baz": &fstest.MapFile{Data: []byte("baz")},
"tmp/qux": &fstest.MapFile{Mode: fs.ModeDir | 0o777},
"tmp/qux/quux": &fstest.MapFile{Data: []byte("quux")},
})
actual, err := ReadDir("/tmp")
require.NoError(t, err)
assert.Equal(t, []string{"bar", "baz", "foo", "qux"}, actual)
_, err = ReadDir("/tmp/foo")
assert.Error(t, err)
}
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