Files
ebiten/internal/file/file_test.go
2025-09-20 19:24:39 +09:00

81 lines
2.4 KiB
Go

// Copyright 2025 The Ebitengine Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//go:build !js
package file_test
import (
"io/fs"
"slices"
"strings"
"testing"
"github.com/hajimehoshi/ebiten/v2/internal/file"
)
func TestFSReadDir(t *testing.T) {
vfs := file.NewVirtualFS([]string{"testdata/foo.txt", "testdata/dir"})
rootEnts, err := fs.ReadDir(vfs, ".")
if err != nil {
t.Fatal(err)
}
if len(rootEnts) != 2 {
t.Errorf("len(ents): got: %d, want: %d", len(rootEnts), 2)
}
slices.SortFunc(rootEnts, func(a, b fs.DirEntry) int {
return strings.Compare(a.Name(), b.Name())
})
if got, want := rootEnts[0].Name(), "dir"; got != want {
t.Errorf("ents[0].Name(): got: %s, want: %s", got, want)
}
if got, want := rootEnts[0].IsDir(), true; got != want {
t.Errorf("ents[0].IsDir(): got: false, want: true")
}
if got, want := rootEnts[1].Name(), "foo.txt"; got != want {
t.Errorf("ents[1].Name(): got: %s, want: %s", got, want)
}
if got, want := rootEnts[1].IsDir(), false; got != want {
t.Errorf("ents[1].IsDir(): got: true, want: false")
}
subEnts, err := fs.ReadDir(vfs, "dir")
if err != nil {
t.Fatal(err)
}
if len(subEnts) != 2 {
t.Errorf("len(ents): got: %d, want: %d", len(subEnts), 1)
}
slices.SortFunc(subEnts, func(a, b fs.DirEntry) int {
return strings.Compare(a.Name(), b.Name())
})
if got, want := subEnts[0].Name(), "foo.txt"; got != want {
t.Errorf("ents[0].Name(): got: %s, want: %s", got, want)
}
if got, want := subEnts[0].IsDir(), false; got != want {
t.Errorf("ents[0].IsDir(): got: false, want: true")
}
if got, want := subEnts[1].Name(), "qux.txt"; got != want {
t.Errorf("ents[1].Name(): got: %s, want: %s", got, want)
}
if got, want := subEnts[1].IsDir(), false; got != want {
t.Errorf("ents[1].IsDir(): got: true, want: false")
}
if _, err := fs.ReadDir(vfs, "baz.txt"); err == nil {
t.Errorf("fs.ReadDir on a file must return an error")
}
}