1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
|
// Copyright 2024 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 template
import (
"bytes"
"context"
"reflect"
"strings"
"testing"
qt "github.com/frankban/quicktest"
"github.com/gohugoio/hugo/common/hreflect"
)
type TestStruct struct {
S string
M map[string]string
}
func (t TestStruct) Hello1(arg string) string {
return arg
}
func (t TestStruct) Hello2(arg1, arg2 string) string {
return arg1 + " " + arg2
}
type execHelper struct{}
func (e *execHelper) Init(ctx context.Context, tmpl Preparer) {
}
func (e *execHelper) GetFunc(ctx context.Context, tmpl Preparer, name string) (reflect.Value, reflect.Value, bool) {
if name == "print" {
return zero, zero, false
}
return reflect.ValueOf(func(s string) string {
return "hello " + s
}), zero, true
}
func (e *execHelper) GetMapValue(ctx context.Context, tmpl Preparer, m, key reflect.Value) (reflect.Value, bool) {
key = reflect.ValueOf(strings.ToLower(key.String()))
return m.MapIndex(key), true
}
func (e *execHelper) GetMethod(ctx context.Context, tmpl Preparer, receiver reflect.Value, name string) (reflect.Value, reflect.Value) {
if name != "Hello1" {
return zero, zero
}
m := hreflect.GetMethodByName(receiver, "Hello2")
return m, reflect.ValueOf("v2")
}
func (e *execHelper) OnCalled(ctx context.Context, tmpl Preparer, name string, args []reflect.Value, returnValue reflect.Value) {
}
func TestTemplateExecutor(t *testing.T) {
c := qt.New(t)
templ, err := New("").Parse(`
{{ print "foo" }}
{{ printf "hugo" }}
Map: {{ .M.A }}
Method: {{ .Hello1 "v1" }}
`)
c.Assert(err, qt.IsNil)
ex := NewExecuter(&execHelper{})
var b bytes.Buffer
data := TestStruct{S: "sv", M: map[string]string{"a": "av"}}
c.Assert(ex.ExecuteWithContext(context.Background(), templ, &b, data), qt.IsNil)
got := b.String()
c.Assert(got, qt.Contains, "foo")
c.Assert(got, qt.Contains, "hello hugo")
c.Assert(got, qt.Contains, "Map: av")
c.Assert(got, qt.Contains, "Method: v2 v1")
}
|
