-
Notifications
You must be signed in to change notification settings - Fork 0
/
handler_test.go
114 lines (81 loc) · 3.32 KB
/
handler_test.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
package rewritehtml_test
//
import (
"errors"
"github.com/simon-engledew/rewritehtml"
"github.com/stretchr/testify/require"
"golang.org/x/net/html"
"io"
"net/http"
"net/http/httptest"
"testing"
)
func TestHandlerWithIdentity(t *testing.T) {
req, err := http.NewRequest("GET", "/", nil)
require.NoError(t, err)
rr := httptest.NewRecorder()
basicDocument := http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
w.WriteHeader(http.StatusOK)
w.Header().Set("Content-Type", "text/html")
_, _ = io.WriteString(w, `<html><head><title>Basic Document></head><body>Found</body></html>`)
})
handler := rewritehtml.Handle(basicDocument, func(r *http.Request) (rewritehtml.EditorFunc, error) {
return func(raw []byte, token *html.Token) (data []byte, done bool) {
return nil, false
}, nil
})
handler.ServeHTTP(rr, req)
require.Equal(t, http.StatusOK, rr.Code)
require.Equal(t, `<html><head><title>Basic Document></head><body>Found</body></html>`, rr.Body.String())
}
func TestHandlerWithHtml(t *testing.T) {
req, err := http.NewRequest("GET", "/", nil)
require.NoError(t, err)
rr := httptest.NewRecorder()
basicDocument := http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
w.WriteHeader(http.StatusOK)
w.Header().Set("Content-Type", "text/html")
_, _ = io.WriteString(w, `<html><head><title>Basic Document></head><body>Found</body></html>`)
})
handler := rewritehtml.Handle(basicDocument, func(r *http.Request) (rewritehtml.EditorFunc, error) {
return rewritehtml.AfterHead(`<meta name="rewritehtml" content="true" />`), nil
})
handler.ServeHTTP(rr, req)
require.Equal(t, http.StatusOK, rr.Code)
require.Equal(t, `<html><head><meta name="rewritehtml" content="true" /><title>Basic Document></head><body>Found</body></html>`, rr.Body.String())
}
func TestHandlerWithError(t *testing.T) {
errTestFailed := errors.New("test failed")
req, err := http.NewRequest("GET", "/", nil)
require.NoError(t, err)
rr := httptest.NewRecorder()
basicDocument := http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
w.WriteHeader(http.StatusOK)
w.Header().Set("Content-Type", "text/html")
_, _ = io.WriteString(w, `<html><head><title>Basic Document></head><body>Found</body></html>`)
})
handler := rewritehtml.Handle(basicDocument, func(r *http.Request) (rewritehtml.EditorFunc, error) {
return rewritehtml.AfterHead(`<meta name="rewritehtml" content="true" />`), errTestFailed
})
handler.ServeHTTP(rr, req)
require.Equal(t, http.StatusInternalServerError, rr.Code)
require.Equal(t, errTestFailed.Error()+"\n", rr.Body.String())
}
func TestHandlerWithJson(t *testing.T) {
req, err := http.NewRequest("GET", "/", nil)
require.NoError(t, err)
rr := httptest.NewRecorder()
basicDocument := http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
w.WriteHeader(http.StatusOK)
w.Header().Set("Content-Type", "application/json")
_, _ = io.WriteString(w, `{"content": "moose"}`)
})
handler := rewritehtml.Handle(basicDocument, func(r *http.Request) (rewritehtml.EditorFunc, error) {
return func(raw []byte, token *html.Token) (data []byte, done bool) {
panic("function should not have been called for Content-Type application/json")
}, nil
})
handler.ServeHTTP(rr, req)
require.Equal(t, http.StatusOK, rr.Code)
require.Equal(t, `{"content": "moose"}`, rr.Body.String())
}