func TestRWVFS(t *testing.T) {
tmpdir, err := ioutil.TempDir("", "rwvfs-test-")
if err != nil {
t.Fatal("TempDir", err)
}
defer os.RemoveAll(tmpdir)
h := http.Handler(rwvfs.HTTPHandler(rwvfs.Map(map[string]string{}), nil))
httpServer := httptest.NewServer(h)
defer httpServer.Close()
httpURL, err := url.Parse(httpServer.URL)
if err != nil {
t.Fatal(err)
}
tests := []struct {
fs rwvfs.FileSystem
}{
{rwvfs.OS(tmpdir)},
{rwvfs.Map(map[string]string{})},
{rwvfs.Sub(rwvfs.Map(map[string]string{}), "/x")},
{rwvfs.HTTP(httpURL, nil)},
{rwvfs.Union(rwvfs.Map(map[string]string{}), rwvfs.Map(map[string]string{}))},
}
for _, test := range tests {
testutil.Write(t, test.fs)
testutil.Mkdir(t, test.fs)
testutil.MkdirAll(t, test.fs)
testutil.Glob(t, test.fs)
}
}
func TestEmptyUnion(t *testing.T) {
u := rwvfs.Union()
infos, err := u.ReadDir("/")
if err != nil {
t.Fatal(err)
}
if got, want := len(infos), 0; got != want {
t.Errorf(`ReadDir: got %d, want %d`, got, want)
}
_, err = u.Create("/foo")
if err == nil {
t.Error("Create: read-only error expected")
}
}
func TestUnion(t *testing.T) {
m1 := map[string]string{"foo/file": ""}
m2 := map[string]string{"bar/file": ""}
u := rwvfs.Union(rwvfs.Map(m1), rwvfs.Map(m2))
infos, err := u.ReadDir("/")
if err != nil {
t.Fatal(err)
}
if got, want := len(infos), 2; got != want {
t.Errorf(`ReadDir: got %d, want %d`, got, want)
}
testCreate(t, u, "test", m1)
testCreate(t, u, "foo/test", m1)
testCreate(t, u, "bar/test", m2)
}
