Function TestIssue55

storage/filesystem/dotgit/dotgit_test.go:1127–1183

(t *testing.T)

}

func TestIssue55(t *testing.T) {
	t.Parallel()

	writeObject := func(fs billy.Filesystem) {
		t.Helper()

		dir := New(fs)
		err := dir.Initialize()
		require.NoError(t, err)

		w, err := dir.NewObject()
		require.NoError(t, err)

		err = w.WriteHeader(plumbing.BlobObject, 14)
		require.NoError(t, err)
		n, err := w.Write([]byte("this is a test"))
		require.NoError(t, err)
		assert.Equal(t, 14, n)

		assert.Equal(t, "a8a940627d132695a9769df883f85992f0ff4a43", w.Hash().String())

		err = w.Close()
		require.NoError(t, err)
	}

	for _, tc := range []struct {
		name string
		fs   billy.Filesystem
	}{
		{"BoundOS", osfs.New(t.TempDir(), osfs.WithBoundOS())},
		{"ChrootOS", osfs.New(t.TempDir(), osfs.WithChrootOS())},
	} {
		t.Run(tc.name, func(t *testing.T) {
			t.Parallel()
			path := filepath.Join("objects", "a8", "a940627d132695a9769df883f85992f0ff4a43")

			writeObject(tc.fs)
			i, err := tc.fs.Stat(path)
			require.NoError(t, err)
			assert.Equal(t, int64(34), i.Size())

			ro, err := isReadOnly(tc.fs, path)
			require.NoError(t, err)
			assert.True(t, ro, "file %q is not read-only", path)

			// Recreate the same object.
			writeObject(tc.fs)
			i, err = tc.fs.Stat(path)
			require.NoError(t, err)
			assert.Equal(t, int64(34), i.Size())

			ro, err = isReadOnly(tc.fs, path)
			require.NoError(t, err)
			assert.True(t, ro, "file %q is not read-only", path)
		})
	}
}