// Copyright 2015 Light Code Labs, LLC
//
// 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 templates
import (
"bytes"
"context"
"net/http"
"net/http/httptest"
"sync"
"testing"
"github.com/mholt/caddy/caddyhttp/httpserver"
"github.com/mholt/caddy/caddyhttp/staticfiles"
)
func TestTemplates(t *testing.T) {
siteRoot := "./testdata"
tmpl := Templates{
Next: staticfiles.FileServer{Root: http.Dir(siteRoot)},
Rules: []Rule{
{
Extensions: []string{".html"},
IndexFiles: []string{"index.html"},
Path: "/photos",
},
{
Extensions: []string{".html", ".htm"},
IndexFiles: []string{"index.html", "index.htm"},
Path: "/images",
Delims: [2]string{"{%", "%}"},
},
},
Root: siteRoot,
FileSys: http.Dir(siteRoot),
BufPool: &sync.Pool{New: func() interface{} { return new(bytes.Buffer) }},
}
tmplroot := Templates{
Next: staticfiles.FileServer{Root: http.Dir(siteRoot)},
Rules: []Rule{
{
Extensions: []string{".html"},
IndexFiles: []string{"index.html"},
Path: "/",
},
},
Root: siteRoot,
FileSys: http.Dir(siteRoot),
BufPool: &sync.Pool{New: func() interface{} { return new(bytes.Buffer) }},
}
// register custom function which is used in template
httpserver.TemplateFuncs["root"] = func() string { return "root" }
for _, c := range []struct {
tpl Templates
req string
respCode int
res string
}{
{
tpl: tmpl,
req: "/photos/test.html",
respCode: http.StatusOK,
res: `test pageHeader title
`,
},
{
tpl: tmpl,
req: "/images/img.htm",
respCode: http.StatusOK,
res: `imgHeader title
`,
},
{
tpl: tmpl,
req: "/images/img2.htm",
respCode: http.StatusOK,
res: `img{{.Include "header.html"}}
`,
},
{
tpl: tmplroot,
req: "/root.html",
respCode: http.StatusOK,
res: `rootHeader title
`,
},
// test extension filter
{
tpl: tmplroot,
req: "/as_it_is.txt",
respCode: http.StatusOK,
res: `as it is{{.Include "header.html"}}
`,
},
} {
c := c
t.Run("", func(t *testing.T) {
req, err := http.NewRequest("GET", c.req, nil)
if err != nil {
t.Fatalf("Test: Could not create HTTP request: %v", err)
}
req = req.WithContext(context.WithValue(req.Context(), httpserver.OriginalURLCtxKey, *req.URL))
rec := httptest.NewRecorder()
c.tpl.ServeHTTP(rec, req)
if rec.Code != c.respCode {
t.Fatalf("Test: Wrong response code: %d, should be %d", rec.Code, c.respCode)
}
respBody := rec.Body.String()
if respBody != c.res {
t.Fatalf("Test: the expected body %v is different from the response one: %v", c.res, respBody)
}
})
}
}