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787f6b257f
* chore: replace `os.ErrNotExist` with `fs.ErrNotExist` * check against permission error from `io/fs` package
681 lines
18 KiB
Go
681 lines
18 KiB
Go
// Copyright 2015 Matthew Holt and The Caddy Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package templates
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import (
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"bytes"
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"context"
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"errors"
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"fmt"
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"io/fs"
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"net/http"
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"os"
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"path/filepath"
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"reflect"
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"sort"
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"strings"
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"testing"
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"time"
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"github.com/caddyserver/caddy/v2/modules/caddyhttp"
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)
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type handle struct{}
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func (h *handle) ServeHTTP(w http.ResponseWriter, r *http.Request) {
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if r.Header.Get("Accept-Encoding") == "identity" {
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w.Write([]byte("good contents"))
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} else {
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w.Write([]byte("bad cause Accept-Encoding: " + r.Header.Get("Accept-Encoding")))
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}
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}
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func TestHTTPInclude(t *testing.T) {
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tplContext := getContextOrFail(t)
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for i, test := range []struct {
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uri string
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handler *handle
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expect string
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}{
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{
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uri: "https://example.com/foo/bar",
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handler: &handle{},
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expect: "good contents",
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},
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} {
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ctx := context.WithValue(tplContext.Req.Context(), caddyhttp.ServerCtxKey, test.handler)
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tplContext.Req = tplContext.Req.WithContext(ctx)
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tplContext.Req.Header.Add("Accept-Encoding", "gzip")
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result, err := tplContext.funcHTTPInclude(test.uri)
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if result != test.expect {
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t.Errorf("Test %d: expected '%s' but got '%s'", i, test.expect, result)
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}
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if err != nil {
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t.Errorf("Test %d: got error: %v", i, result)
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}
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}
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}
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func TestMarkdown(t *testing.T) {
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tplContext := getContextOrFail(t)
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for i, test := range []struct {
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body string
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expect string
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}{
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{
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body: "- str1\n- str2\n",
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expect: "<ul>\n<li>str1</li>\n<li>str2</li>\n</ul>\n",
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},
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} {
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result, err := tplContext.funcMarkdown(test.body)
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if result != test.expect {
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t.Errorf("Test %d: expected '%s' but got '%s'", i, test.expect, result)
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}
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if err != nil {
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t.Errorf("Test %d: got error: %v", i, result)
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}
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}
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}
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func TestCookie(t *testing.T) {
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for i, test := range []struct {
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cookie *http.Cookie
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cookieName string
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expect string
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}{
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{
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// happy path
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cookie: &http.Cookie{Name: "cookieName", Value: "cookieValue"},
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cookieName: "cookieName",
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expect: "cookieValue",
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},
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{
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// try to get a non-existing cookie
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cookie: &http.Cookie{Name: "cookieName", Value: "cookieValue"},
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cookieName: "notExisting",
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expect: "",
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},
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{
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// partial name match
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cookie: &http.Cookie{Name: "cookie", Value: "cookieValue"},
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cookieName: "cook",
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expect: "",
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},
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{
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// cookie with optional fields
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cookie: &http.Cookie{Name: "cookie", Value: "cookieValue", Path: "/path", Domain: "https://localhost", Expires: time.Now().Add(10 * time.Minute), MaxAge: 120},
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cookieName: "cookie",
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expect: "cookieValue",
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},
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} {
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tplContext := getContextOrFail(t)
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tplContext.Req.AddCookie(test.cookie)
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actual := tplContext.Cookie(test.cookieName)
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if actual != test.expect {
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t.Errorf("Test %d: Expected cookie value '%s' but got '%s' for cookie with name '%s'",
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i, test.expect, actual, test.cookieName)
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}
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}
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}
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func TestImport(t *testing.T) {
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for i, test := range []struct {
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fileContent string
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fileName string
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shouldErr bool
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expect string
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}{
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{
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// file exists, template is defined
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fileContent: `{{ define "imported" }}text{{end}}`,
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fileName: "file1",
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shouldErr: false,
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expect: `"imported"`,
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},
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{
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// file does not exit
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fileContent: "",
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fileName: "",
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shouldErr: true,
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},
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} {
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tplContext := getContextOrFail(t)
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var absFilePath string
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// create files for test case
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if test.fileName != "" {
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absFilePath := filepath.Join(fmt.Sprintf("%s", tplContext.Root), test.fileName)
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if err := os.WriteFile(absFilePath, []byte(test.fileContent), os.ModePerm); err != nil {
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os.Remove(absFilePath)
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t.Fatalf("Test %d: Expected no error creating file, got: '%s'", i, err.Error())
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}
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}
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// perform test
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tplContext.NewTemplate("parent")
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actual, err := tplContext.funcImport(test.fileName)
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templateWasDefined := strings.Contains(tplContext.tpl.DefinedTemplates(), test.expect)
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if err != nil {
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if !test.shouldErr {
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t.Errorf("Test %d: Expected no error, got: '%s'", i, err)
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}
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} else if test.shouldErr {
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t.Errorf("Test %d: Expected error but had none", i)
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} else if !templateWasDefined && actual != "" {
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// template should be defined, return value should be an empty string
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t.Errorf("Test %d: Expected template %s to be define but got %s", i, test.expect, tplContext.tpl.DefinedTemplates())
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}
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if absFilePath != "" {
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if err := os.Remove(absFilePath); err != nil && !errors.Is(err, fs.ErrNotExist) {
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t.Fatalf("Test %d: Expected no error removing temporary test file, got: %v", i, err)
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}
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}
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}
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}
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func TestNestedInclude(t *testing.T) {
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for i, test := range []struct {
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child string
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childFile string
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parent string
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parentFile string
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shouldErr bool
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expect string
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child2 string
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child2File string
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}{
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{
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// include in parent
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child: `{{ include "file1" }}`,
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childFile: "file0",
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parent: `{{ $content := "file2" }}{{ $p := include $content}}`,
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parentFile: "file1",
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shouldErr: false,
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expect: ``,
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child2: `This shouldn't show`,
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child2File: "file2",
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},
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} {
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context := getContextOrFail(t)
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var absFilePath string
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var absFilePath0 string
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var absFilePath1 string
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var buf *bytes.Buffer
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var err error
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// create files and for test case
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if test.parentFile != "" {
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absFilePath = filepath.Join(fmt.Sprintf("%s", context.Root), test.parentFile)
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if err := os.WriteFile(absFilePath, []byte(test.parent), os.ModePerm); err != nil {
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os.Remove(absFilePath)
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t.Fatalf("Test %d: Expected no error creating file, got: '%s'", i, err.Error())
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}
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}
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if test.childFile != "" {
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absFilePath0 = filepath.Join(fmt.Sprintf("%s", context.Root), test.childFile)
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if err := os.WriteFile(absFilePath0, []byte(test.child), os.ModePerm); err != nil {
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os.Remove(absFilePath0)
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t.Fatalf("Test %d: Expected no error creating file, got: '%s'", i, err.Error())
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}
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}
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if test.child2File != "" {
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absFilePath1 = filepath.Join(fmt.Sprintf("%s", context.Root), test.child2File)
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if err := os.WriteFile(absFilePath1, []byte(test.child2), os.ModePerm); err != nil {
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os.Remove(absFilePath0)
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t.Fatalf("Test %d: Expected no error creating file, got: '%s'", i, err.Error())
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}
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}
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buf = bufPool.Get().(*bytes.Buffer)
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buf.Reset()
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defer bufPool.Put(buf)
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buf.WriteString(test.child)
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err = context.executeTemplateInBuffer(test.childFile, buf)
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if err != nil {
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if !test.shouldErr {
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t.Errorf("Test %d: Expected no error, got: '%s'", i, err)
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}
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} else if test.shouldErr {
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t.Errorf("Test %d: Expected error but had none", i)
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} else if buf.String() != test.expect {
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//
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t.Errorf("Test %d: Expected '%s' but got '%s'", i, test.expect, buf.String())
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}
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if absFilePath != "" {
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if err := os.Remove(absFilePath); err != nil && !errors.Is(err, fs.ErrNotExist) {
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t.Fatalf("Test %d: Expected no error removing temporary test file, got: %v", i, err)
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}
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}
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if absFilePath0 != "" {
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if err := os.Remove(absFilePath0); err != nil && !errors.Is(err, fs.ErrNotExist) {
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t.Fatalf("Test %d: Expected no error removing temporary test file, got: %v", i, err)
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}
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}
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if absFilePath1 != "" {
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if err := os.Remove(absFilePath1); err != nil && !errors.Is(err, fs.ErrNotExist) {
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t.Fatalf("Test %d: Expected no error removing temporary test file, got: %v", i, err)
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}
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}
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}
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}
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func TestInclude(t *testing.T) {
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for i, test := range []struct {
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fileContent string
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fileName string
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shouldErr bool
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expect string
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args string
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}{
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{
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// file exists, content is text only
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fileContent: "text",
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fileName: "file1",
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shouldErr: false,
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expect: "text",
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},
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{
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// file exists, content is template
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fileContent: "{{ if . }}text{{ end }}",
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fileName: "file1",
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shouldErr: false,
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expect: "text",
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},
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{
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// file does not exit
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fileContent: "",
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fileName: "",
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shouldErr: true,
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},
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{
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// args
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fileContent: "{{ index .Args 0 }}",
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fileName: "file1",
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shouldErr: false,
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args: "text",
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expect: "text",
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},
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{
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// args, reference arg out of range
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fileContent: "{{ index .Args 1 }}",
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fileName: "file1",
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shouldErr: true,
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args: "text",
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},
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} {
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tplContext := getContextOrFail(t)
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var absFilePath string
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// create files for test case
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if test.fileName != "" {
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absFilePath := filepath.Join(fmt.Sprintf("%s", tplContext.Root), test.fileName)
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if err := os.WriteFile(absFilePath, []byte(test.fileContent), os.ModePerm); err != nil {
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os.Remove(absFilePath)
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t.Fatalf("Test %d: Expected no error creating file, got: '%s'", i, err.Error())
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}
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}
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// perform test
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actual, err := tplContext.funcInclude(test.fileName, test.args)
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if err != nil {
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if !test.shouldErr {
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t.Errorf("Test %d: Expected no error, got: '%s'", i, err)
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}
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} else if test.shouldErr {
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t.Errorf("Test %d: Expected error but had none", i)
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} else if actual != test.expect {
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t.Errorf("Test %d: Expected %s but got %s", i, test.expect, actual)
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}
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if absFilePath != "" {
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if err := os.Remove(absFilePath); err != nil && !errors.Is(err, fs.ErrNotExist) {
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t.Fatalf("Test %d: Expected no error removing temporary test file, got: %v", i, err)
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}
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}
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}
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}
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func TestCookieMultipleCookies(t *testing.T) {
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tplContext := getContextOrFail(t)
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cookieNameBase, cookieValueBase := "cookieName", "cookieValue"
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for i := 0; i < 10; i++ {
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tplContext.Req.AddCookie(&http.Cookie{
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Name: fmt.Sprintf("%s%d", cookieNameBase, i),
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Value: fmt.Sprintf("%s%d", cookieValueBase, i),
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})
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}
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for i := 0; i < 10; i++ {
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expectedCookieVal := fmt.Sprintf("%s%d", cookieValueBase, i)
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actualCookieVal := tplContext.Cookie(fmt.Sprintf("%s%d", cookieNameBase, i))
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if actualCookieVal != expectedCookieVal {
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t.Errorf("Expected cookie value %s, found %s", expectedCookieVal, actualCookieVal)
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}
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}
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}
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func TestIP(t *testing.T) {
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tplContext := getContextOrFail(t)
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for i, test := range []struct {
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inputRemoteAddr string
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expect string
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}{
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{"1.1.1.1:1111", "1.1.1.1"},
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{"1.1.1.1", "1.1.1.1"},
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{"[::1]:11", "::1"},
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{"[2001:db8:a0b:12f0::1]", "[2001:db8:a0b:12f0::1]"},
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{`[fe80:1::3%eth0]:44`, `fe80:1::3%eth0`},
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} {
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tplContext.Req.RemoteAddr = test.inputRemoteAddr
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if actual := tplContext.RemoteIP(); actual != test.expect {
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t.Errorf("Test %d: Expected %s but got %s", i, test.expect, actual)
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}
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}
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}
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func TestStripHTML(t *testing.T) {
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tplContext := getContextOrFail(t)
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for i, test := range []struct {
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input string
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expect string
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}{
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{
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// no tags
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input: `h1`,
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expect: `h1`,
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},
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{
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// happy path
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input: `<h1>h1</h1>`,
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expect: `h1`,
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},
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{
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// tag in quotes
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input: `<h1">">h1</h1>`,
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expect: `h1`,
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},
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{
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// multiple tags
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input: `<h1><b>h1</b></h1>`,
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expect: `h1`,
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},
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{
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// tags not closed
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input: `<h1`,
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expect: `<h1`,
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},
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{
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// false start
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input: `<h1<b>hi`,
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expect: `<h1hi`,
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},
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} {
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actual := tplContext.funcStripHTML(test.input)
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if actual != test.expect {
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t.Errorf("Test %d: Expected %s, found %s. Input was StripHTML(%s)", i, test.expect, actual, test.input)
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}
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}
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}
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func TestFileListing(t *testing.T) {
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for i, test := range []struct {
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fileNames []string
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inputBase string
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shouldErr bool
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verifyErr func(error) bool
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}{
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{
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// directory and files exist
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fileNames: []string{"file1", "file2"},
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shouldErr: false,
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},
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{
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// directory exists, no files
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fileNames: []string{},
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shouldErr: false,
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},
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{
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// file or directory does not exist
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fileNames: nil,
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inputBase: "doesNotExist",
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shouldErr: true,
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verifyErr: func(err error) bool { return errors.Is(err, fs.ErrNotExist) },
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},
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{
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// directory and files exist, but path to a file
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fileNames: []string{"file1", "file2"},
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inputBase: "file1",
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shouldErr: true,
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verifyErr: func(err error) bool {
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return strings.HasSuffix(err.Error(), "is not a directory")
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},
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},
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{
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// try to escape Context Root
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fileNames: nil,
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inputBase: filepath.Join("..", "..", "..", "..", "..", "etc"),
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shouldErr: true,
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verifyErr: func(err error) bool { return errors.Is(err, fs.ErrNotExist) },
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},
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} {
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tplContext := getContextOrFail(t)
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var dirPath string
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var err error
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// create files for test case
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if test.fileNames != nil {
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dirPath, err = os.MkdirTemp(fmt.Sprintf("%s", tplContext.Root), "caddy_ctxtest")
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if err != nil {
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t.Fatalf("Test %d: Expected no error creating directory, got: '%s'", i, err.Error())
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}
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for _, name := range test.fileNames {
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absFilePath := filepath.Join(dirPath, name)
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if err = os.WriteFile(absFilePath, []byte(""), os.ModePerm); err != nil {
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os.RemoveAll(dirPath)
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t.Fatalf("Test %d: Expected no error creating file, got: '%s'", i, err.Error())
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}
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}
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}
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// perform test
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input := filepath.ToSlash(filepath.Join(filepath.Base(dirPath), test.inputBase))
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actual, err := tplContext.funcListFiles(input)
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if err != nil {
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if !test.shouldErr {
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t.Errorf("Test %d: Expected no error, got: '%s'", i, err)
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} else if !test.verifyErr(err) {
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t.Errorf("Test %d: Could not verify error content, got: '%s'", i, err)
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}
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} else if test.shouldErr {
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t.Errorf("Test %d: Expected error but had none", i)
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} else {
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numFiles := len(test.fileNames)
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// reflect.DeepEqual does not consider two empty slices to be equal
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if numFiles == 0 && len(actual) != 0 {
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t.Errorf("Test %d: Expected files %v, got: %v",
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|
i, test.fileNames, actual)
|
|
} else {
|
|
sort.Strings(actual)
|
|
if numFiles > 0 && !reflect.DeepEqual(test.fileNames, actual) {
|
|
t.Errorf("Test %d: Expected files %v, got: %v",
|
|
i, test.fileNames, actual)
|
|
}
|
|
}
|
|
}
|
|
|
|
if dirPath != "" {
|
|
if err := os.RemoveAll(dirPath); err != nil && !errors.Is(err, fs.ErrNotExist) {
|
|
t.Fatalf("Test %d: Expected no error removing temporary test directory, got: %v", i, err)
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
func TestSplitFrontMatter(t *testing.T) {
|
|
tplContext := getContextOrFail(t)
|
|
|
|
for i, test := range []struct {
|
|
input string
|
|
expect string
|
|
body string
|
|
}{
|
|
{
|
|
// yaml with windows newline
|
|
input: "---\r\ntitle: Welcome\r\n---\r\n# Test\\r\\n",
|
|
expect: `Welcome`,
|
|
body: "\r\n# Test\\r\\n",
|
|
},
|
|
{
|
|
// yaml
|
|
input: `---
|
|
title: Welcome
|
|
---
|
|
### Test`,
|
|
expect: `Welcome`,
|
|
body: "\n### Test",
|
|
},
|
|
{
|
|
// yaml with dots for closer
|
|
input: `---
|
|
title: Welcome
|
|
...
|
|
### Test`,
|
|
expect: `Welcome`,
|
|
body: "\n### Test",
|
|
},
|
|
{
|
|
// yaml with non-fence '...' line after closing fence (i.e. first matching closing fence should be used)
|
|
input: `---
|
|
title: Welcome
|
|
---
|
|
### Test
|
|
...
|
|
yeah`,
|
|
expect: `Welcome`,
|
|
body: "\n### Test\n...\nyeah",
|
|
},
|
|
{
|
|
// toml
|
|
input: `+++
|
|
title = "Welcome"
|
|
+++
|
|
### Test`,
|
|
expect: `Welcome`,
|
|
body: "\n### Test",
|
|
},
|
|
{
|
|
// json
|
|
input: `{
|
|
"title": "Welcome"
|
|
}
|
|
### Test`,
|
|
expect: `Welcome`,
|
|
body: "\n### Test",
|
|
},
|
|
} {
|
|
result, _ := tplContext.funcSplitFrontMatter(test.input)
|
|
if result.Meta["title"] != test.expect {
|
|
t.Errorf("Test %d: Expected %s, found %s. Input was SplitFrontMatter(%s)", i, test.expect, result.Meta["title"], test.input)
|
|
}
|
|
if result.Body != test.body {
|
|
t.Errorf("Test %d: Expected body %s, found %s. Input was SplitFrontMatter(%s)", i, test.body, result.Body, test.input)
|
|
}
|
|
}
|
|
}
|
|
|
|
func TestHumanize(t *testing.T) {
|
|
tplContext := getContextOrFail(t)
|
|
for i, test := range []struct {
|
|
format string
|
|
inputData string
|
|
expect string
|
|
errorCase bool
|
|
verifyErr func(actual_string, substring string) bool
|
|
}{
|
|
{
|
|
format: "size",
|
|
inputData: "2048000",
|
|
expect: "2.0 MB",
|
|
errorCase: false,
|
|
verifyErr: strings.Contains,
|
|
},
|
|
{
|
|
format: "time",
|
|
inputData: "Fri, 05 May 2022 15:04:05 +0200",
|
|
expect: "ago",
|
|
errorCase: false,
|
|
verifyErr: strings.HasSuffix,
|
|
},
|
|
{
|
|
format: "time:2006-Jan-02",
|
|
inputData: "2022-May-05",
|
|
expect: "ago",
|
|
errorCase: false,
|
|
verifyErr: strings.HasSuffix,
|
|
},
|
|
{
|
|
format: "time",
|
|
inputData: "Fri, 05 May 2022 15:04:05 GMT+0200",
|
|
expect: "error:",
|
|
errorCase: true,
|
|
verifyErr: strings.HasPrefix,
|
|
},
|
|
} {
|
|
if actual, err := tplContext.funcHumanize(test.format, test.inputData); !test.verifyErr(actual, test.expect) {
|
|
if !test.errorCase {
|
|
t.Errorf("Test %d: Expected '%s' but got '%s'", i, test.expect, actual)
|
|
if err != nil {
|
|
t.Errorf("Test %d: error: %s", i, err.Error())
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
func getContextOrFail(t *testing.T) TemplateContext {
|
|
tplContext, err := initTestContext()
|
|
t.Cleanup(func() {
|
|
os.RemoveAll(string(tplContext.Root.(http.Dir)))
|
|
})
|
|
if err != nil {
|
|
t.Fatalf("failed to prepare test context: %v", err)
|
|
}
|
|
return tplContext
|
|
}
|
|
|
|
func initTestContext() (TemplateContext, error) {
|
|
body := bytes.NewBufferString("request body")
|
|
request, err := http.NewRequest("GET", "https://example.com/foo/bar", body)
|
|
if err != nil {
|
|
return TemplateContext{}, err
|
|
}
|
|
tmpDir, err := os.MkdirTemp(os.TempDir(), "caddy")
|
|
if err != nil {
|
|
return TemplateContext{}, err
|
|
}
|
|
return TemplateContext{
|
|
Root: http.Dir(tmpDir),
|
|
Req: request,
|
|
RespHeader: WrappedHeader{make(http.Header)},
|
|
}, nil
|
|
}
|