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50a72e7a83
The idea is to use a Layered Asset File-system (modules/assetfs/layered.go) For example: when there are 2 layers: "custom", "builtin", when access to asset "my/page.tmpl", the Layered Asset File-system will first try to use "custom" assets, if not found, then use "builtin" assets. This approach will hugely simplify a lot of code, make them testable. Other changes: * Simplify the AssetsHandlerFunc code * Simplify the `gitea embedded` sub-command code --------- Co-authored-by: Jason Song <i@wolfogre.com> Co-authored-by: Lunny Xiao <xiaolunwen@gmail.com>
110 lines
2.8 KiB
Go
110 lines
2.8 KiB
Go
// Copyright 2023 The Gitea Authors. All rights reserved.
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// SPDX-License-Identifier: MIT
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package assetfs
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import (
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"io"
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"io/fs"
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"os"
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"path/filepath"
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"testing"
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"github.com/stretchr/testify/assert"
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)
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func TestLayered(t *testing.T) {
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dir := filepath.Join(t.TempDir(), "assetfs-layers")
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dir1 := filepath.Join(dir, "l1")
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dir2 := filepath.Join(dir, "l2")
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mkdir := func(elems ...string) {
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assert.NoError(t, os.MkdirAll(filepath.Join(elems...), 0o755))
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}
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write := func(content string, elems ...string) {
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assert.NoError(t, os.WriteFile(filepath.Join(elems...), []byte(content), 0o644))
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}
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// d1 & f1: only in "l1"; d2 & f2: only in "l2"
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// da & fa: in both "l1" and "l2"
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mkdir(dir1, "d1")
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mkdir(dir1, "da")
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mkdir(dir1, "da/sub1")
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mkdir(dir2, "d2")
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mkdir(dir2, "da")
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mkdir(dir2, "da/sub2")
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write("dummy", dir1, ".DS_Store")
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write("f1", dir1, "f1")
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write("fa-1", dir1, "fa")
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write("d1-f", dir1, "d1/f")
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write("da-f-1", dir1, "da/f")
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write("f2", dir2, "f2")
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write("fa-2", dir2, "fa")
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write("d2-f", dir2, "d2/f")
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write("da-f-2", dir2, "da/f")
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assets := Layered(Local("l1", dir1), Local("l2", dir2))
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f, err := assets.Open("f1")
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assert.NoError(t, err)
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bs, err := io.ReadAll(f)
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assert.NoError(t, err)
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assert.EqualValues(t, "f1", string(bs))
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_ = f.Close()
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assertRead := func(expected string, expectedErr error, elems ...string) {
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bs, err := assets.ReadFile(elems...)
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if err != nil {
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assert.ErrorAs(t, err, &expectedErr)
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} else {
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assert.NoError(t, err)
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assert.Equal(t, expected, string(bs))
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}
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}
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assertRead("f1", nil, "f1")
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assertRead("f2", nil, "f2")
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assertRead("fa-1", nil, "fa")
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assertRead("d1-f", nil, "d1/f")
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assertRead("d2-f", nil, "d2/f")
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assertRead("da-f-1", nil, "da/f")
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assertRead("", fs.ErrNotExist, "no-such")
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files, err := assets.ListFiles(".", true)
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assert.NoError(t, err)
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assert.EqualValues(t, []string{"f1", "f2", "fa"}, files)
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files, err = assets.ListFiles(".", false)
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assert.NoError(t, err)
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assert.EqualValues(t, []string{"d1", "d2", "da"}, files)
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files, err = assets.ListFiles(".")
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assert.NoError(t, err)
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assert.EqualValues(t, []string{"d1", "d2", "da", "f1", "f2", "fa"}, files)
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files, err = assets.ListAllFiles(".", true)
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assert.NoError(t, err)
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assert.EqualValues(t, []string{"d1/f", "d2/f", "da/f", "f1", "f2", "fa"}, files)
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files, err = assets.ListAllFiles(".", false)
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assert.NoError(t, err)
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assert.EqualValues(t, []string{"d1", "d2", "da", "da/sub1", "da/sub2"}, files)
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files, err = assets.ListAllFiles(".")
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assert.NoError(t, err)
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assert.EqualValues(t, []string{
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"d1", "d1/f",
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"d2", "d2/f",
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"da", "da/f", "da/sub1", "da/sub2",
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"f1", "f2", "fa",
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}, files)
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assert.Empty(t, assets.GetFileLayerName("no-such"))
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assert.EqualValues(t, "l1", assets.GetFileLayerName("f1"))
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assert.EqualValues(t, "l2", assets.GetFileLayerName("f2"))
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}
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