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package main
import (
"bytes"
"net/http"
"net/http/httptest"
"os"
"strings"
"testing"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
"golang.org/x/net/html"
)
// TempFile persists contents and returns the path and a clean func
func TempFile(t *testing.T, contents string) (path string, clean func()) {
content := []byte(contents)
tmpfile, err := os.CreateTemp("", "sally-tmp")
if err != nil {
t.Fatal("Unable to create tmpfile", err)
}
if _, err := tmpfile.Write(content); err != nil {
t.Fatal("Unable to write tmpfile", err)
}
if err := tmpfile.Close(); err != nil {
t.Fatal("Unable to close tmpfile", err)
}
return tmpfile.Name(), func() {
_ = os.Remove(tmpfile.Name())
}
}
// CreateHandlerFromYAML builds the Sally handler from a yaml config string
func CreateHandlerFromYAML(t *testing.T, content string) (handler http.Handler, clean func()) {
path, clean := TempFile(t, content)
config, err := Parse(path)
if err != nil {
t.Fatalf("Unable to parse %s: %v", path, err)
}
return CreateHandler(config), clean
}
// CallAndRecord makes a GET request to the Sally handler and returns a response recorder
func CallAndRecord(t *testing.T, config string, uri string) *httptest.ResponseRecorder {
handler, clean := CreateHandlerFromYAML(t, config)
defer clean()
req, err := http.NewRequest("GET", uri, nil)
if err != nil {
t.Fatalf("Unable to create request to %s: %v", uri, err)
}
rr := httptest.NewRecorder()
handler.ServeHTTP(rr, req)
return rr
}
// AssertResponse normalizes and asserts the body from rr against want
func AssertResponse(t *testing.T, rr *httptest.ResponseRecorder, code int, want string) {
assert.Equal(t, rr.Code, code)
assert.Equal(t, reformatHTML(t, want), reformatHTML(t, rr.Body.String()))
}
func reformatHTML(t *testing.T, s string) string {
n, err := html.Parse(strings.NewReader(s))
require.NoError(t, err)
var buff bytes.Buffer
require.NoError(t, html.Render(&buff, n))
return buff.String()
}
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