GoBlog/pkgs/maprouter/maprouter_test.go

55 lines
1.5 KiB
Go

package maprouter
import (
"io"
"net/http"
"net/http/httptest"
"testing"
"github.com/stretchr/testify/assert"
)
func TestMapRouter(t *testing.T) {
router := &MapRouter{
DefaultHandler: http.HandlerFunc(func(rw http.ResponseWriter, r *http.Request) {
_, _ = rw.Write([]byte("Default"))
}),
Handlers: map[string]http.Handler{
"a.example.org": http.HandlerFunc(func(rw http.ResponseWriter, r *http.Request) {
_, _ = rw.Write([]byte("a"))
}),
"b.example.org": http.HandlerFunc(func(rw http.ResponseWriter, r *http.Request) {
_, _ = rw.Write([]byte("b"))
}),
},
}
req := httptest.NewRequest(http.MethodGet, "http://a.example.org", nil)
rec := httptest.NewRecorder()
router.ServeHTTP(rec, req)
resBody, _ := io.ReadAll(rec.Result().Body)
assert.Equal(t, "a", string(resBody))
req = httptest.NewRequest(http.MethodGet, "http://b.example.org", nil)
rec = httptest.NewRecorder()
router.ServeHTTP(rec, req)
resBody, _ = io.ReadAll(rec.Result().Body)
assert.Equal(t, "b", string(resBody))
req = httptest.NewRequest(http.MethodGet, "http://c.example.org", nil)
rec = httptest.NewRecorder()
router.ServeHTTP(rec, req)
resBody, _ = io.ReadAll(rec.Result().Body)
assert.Equal(t, "Default", string(resBody))
router.KeyFunc = func(r *http.Request) string {
return "a.example.org"
}
req = httptest.NewRequest(http.MethodGet, "http://c.example.org", nil)
rec = httptest.NewRecorder()
router.ServeHTTP(rec, req)
resBody, _ = io.ReadAll(rec.Result().Body)
assert.Equal(t, "a", string(resBody))
}