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gitea/modules/markup/internal/internal_test.go
wxiaoguang 8a20fba8eb
Refactor markup render system (#32533)
Remove unmaintainable sanitizer rules. No need to add special "class"
regexp rules anymore, use RenderInternal.SafeAttr instead, more details
(and examples) are in the tests
2024-11-18 13:25:42 +08:00

61 lines
1.9 KiB
Go

// Copyright 2024 The Gitea Authors. All rights reserved.
// SPDX-License-Identifier: MIT
package internal
import (
"bytes"
"html/template"
"io"
"testing"
"github.com/stretchr/testify/assert"
)
func TestRenderInternal(t *testing.T) {
cases := []struct {
input, protected, recovered string
}{
{
input: `<div class="test">class="content"</div>`,
protected: `<div data-attr-class="sec:test">class="content"</div>`,
recovered: `<div class="test">class="content"</div>`,
},
{
input: "<div\nclass=\"test\" data-xxx></div>",
protected: `<div data-attr-class="sec:test" data-xxx></div>`,
recovered: `<div class="test" data-xxx></div>`,
},
}
for _, c := range cases {
var r RenderInternal
out := &bytes.Buffer{}
in := r.init("sec", out)
protected := r.ProtectSafeAttrs(template.HTML(c.input))
assert.EqualValues(t, c.protected, protected)
_, _ = io.WriteString(in, string(protected))
_ = in.Close()
assert.EqualValues(t, c.recovered, out.String())
}
var r1, r2 RenderInternal
protected := r1.ProtectSafeAttrs(`<div class="test"></div>`)
assert.EqualValues(t, `<div class="test"></div>`, protected, "non-initialized RenderInternal should not protect any attributes")
_ = r1.init("sec", nil)
protected = r1.ProtectSafeAttrs(`<div class="test"></div>`)
assert.EqualValues(t, `<div data-attr-class="sec:test"></div>`, protected)
assert.EqualValues(t, "data-attr-class", r1.SafeAttr("class"))
assert.EqualValues(t, "sec:val", r1.SafeValue("val"))
recovered, ok := r1.RecoverProtectedValue("sec:val")
assert.True(t, ok)
assert.EqualValues(t, "val", recovered)
recovered, ok = r1.RecoverProtectedValue("other:val")
assert.False(t, ok)
assert.Empty(t, recovered)
out2 := &bytes.Buffer{}
in2 := r2.init("sec-other", out2)
_, _ = io.WriteString(in2, string(protected))
_ = in2.Close()
assert.EqualValues(t, `<div data-attr-class="sec:test"></div>`, out2.String(), "different secureID should not recover the value")
}