-
Notifications
You must be signed in to change notification settings - Fork 7.7k
/
evaluate.go
124 lines (109 loc) · 3.08 KB
/
evaluate.go
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
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
// Copyright Istio Authors
//
// 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 tmpl
import (
"fmt"
"istio.io/istio/pkg/test"
"istio.io/istio/pkg/test/util/file"
)
// Evaluate parses the template and then executes it with the given parameters.
func Evaluate(tpl string, data any) (string, error) {
t, err := Parse(tpl)
if err != nil {
return "", err
}
return Execute(t, data)
}
func EvaluateFile(filePath string, data any) (string, error) {
tpl, err := file.AsString(filePath)
if err != nil {
return "", err
}
return Evaluate(tpl, data)
}
// EvaluateOrFail calls Evaluate and fails tests if it returns error.
func EvaluateOrFail(t test.Failer, tpl string, data any) string {
t.Helper()
s, err := Evaluate(tpl, data)
if err != nil {
t.Fatalf("tmpl.EvaluateOrFail: %v", err)
}
return s
}
func EvaluateFileOrFail(t test.Failer, filePath string, data any) string {
t.Helper()
s, err := EvaluateFile(filePath, data)
if err != nil {
t.Fatalf("tmpl.EvaluateFileOrFail: %v", err)
}
return s
}
// MustEvaluate calls Evaluate and panics if there is an error.
func MustEvaluate(tpl string, data any) string {
s, err := Evaluate(tpl, data)
if err != nil {
panic(fmt.Sprintf("tmpl.MustEvaluate: %v", err))
}
return s
}
func MustEvaluateFile(filePath string, data any) string {
s, err := EvaluateFile(filePath, data)
if err != nil {
panic(fmt.Sprintf("tmpl.MustEvaluate: %v", err))
}
return s
}
// EvaluateAll calls Evaluate the same data args against each of the given templates.
func EvaluateAll(data any, templates ...string) ([]string, error) {
out := make([]string, 0, len(templates))
for _, t := range templates {
content, err := Evaluate(t, data)
if err != nil {
return nil, err
}
out = append(out, content)
}
return out, nil
}
func EvaluateAllFiles(data any, filePaths ...string) ([]string, error) {
templates, err := file.AsStringArray(filePaths...)
if err != nil {
return nil, err
}
return EvaluateAll(data, templates...)
}
func MustEvaluateAll(data any, templates ...string) []string {
out, err := EvaluateAll(data, templates...)
if err != nil {
panic(fmt.Sprintf("tmpl.MustEvaluateAll: %v", err))
}
return out
}
// EvaluateAllOrFail calls Evaluate and fails t if an error occurs.
func EvaluateAllOrFail(t test.Failer, data any, templates ...string) []string {
t.Helper()
out, err := EvaluateAll(data, templates...)
if err != nil {
t.Fatal(err)
}
return out
}
func EvaluateAllFilesOrFail(t test.Failer, data any, filePaths ...string) []string {
t.Helper()
out, err := EvaluateAllFiles(data, filePaths...)
if err != nil {
t.Fatal(err)
}
return out
}