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// Copyright 2019 The Hugo Authors. All rights reserved.
//
// 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.
package tplimpl
import (
"testing"
template "github.com/gohugoio/hugo/tpl/internal/go_templates/htmltemplate"
qt "github.com/frankban/quicktest"
"github.com/gohugoio/hugo/tpl"
)
// Issue #2927
func TestTransformRecursiveTemplate(t *testing.T) {
c := qt.New(t)
recursive := `
{{ define "menu-nodes" }}
{{ template "menu-node" }}
{{ end }}
{{ define "menu-node" }}
{{ template "menu-node" }}
{{ end }}
{{ template "menu-nodes" }}
`
templ, err := template.New("foo").Parse(recursive)
c.Assert(err, qt.IsNil)
ts := newTestTemplate(templ)
ctx := newTemplateContext(
ts,
newTestTemplateLookup(ts),
)
ctx.applyTransformations(templ.Tree.Root)
}
func newTestTemplate(templ tpl.Template) *templateState {
return newTemplateState(
templ,
templateInfo{
name: templ.Name(),
},
)
}
func newTestTemplateLookup(in *templateState) func(name string) *templateState {
m := make(map[string]*templateState)
return func(name string) *templateState {
if in.Name() == name {
return in
}
if ts, found := m[name]; found {
return ts
}
if templ, found := findTemplateIn(name, in); found {
ts := newTestTemplate(templ)
m[name] = ts
return ts
}
return nil
}
}
func TestCollectInfo(t *testing.T) {
configStr := `{ "version": 42 }`
tests := []struct {
name string
tplString string
expected tpl.ParseInfo
}{
{"Basic Inner", `{{ .Inner }}`, tpl.ParseInfo{IsInner: true, Config: tpl.DefaultParseConfig}},
{"Basic config map", "{{ $_hugo_config := `" + configStr + "` }}", tpl.ParseInfo{Config: tpl.ParseConfig{Version: 42}}},
}
echo := func(in interface{}) interface{} {
return in
}
funcs := template.FuncMap{
"highlight": echo,
}
for _, test := range tests {
t.Run(test.name, func(t *testing.T) {
c := qt.New(t)
templ, err := template.New("foo").Funcs(funcs).Parse(test.tplString)
c.Assert(err, qt.IsNil)
ts := newTestTemplate(templ)
ts.typ = templateShortcode
ctx := newTemplateContext(
ts,
newTestTemplateLookup(ts),
)
ctx.applyTransformations(templ.Tree.Root)
c.Assert(ctx.t.parseInfo, qt.DeepEquals, test.expected)
})
}
}
func TestPartialReturn(t *testing.T) {
tests := []struct {
name string
tplString string
expected bool
}{
{"Basic", `
{{ $a := "Hugo Rocks!" }}
{{ return $a }}
`, true},
{"Expression", `
{{ return add 32 }}
`, true},
}
echo := func(in interface{}) interface{} {
return in
}
funcs := template.FuncMap{
"return": echo,
"add": echo,
}
for _, test := range tests {
t.Run(test.name, func(t *testing.T) {
c := qt.New(t)
templ, err := template.New("foo").Funcs(funcs).Parse(test.tplString)
c.Assert(err, qt.IsNil)
ts := newTestTemplate(templ)
ctx := newTemplateContext(
ts,
newTestTemplateLookup(ts),
)
_, err = ctx.applyTransformations(templ.Tree.Root)
// Just check that it doesn't fail in this test. We have functional tests
// in hugoblib.
c.Assert(err, qt.IsNil)
})
}
}
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