// Copyright 2015 The Hugo Authors. All rights reserved.
//
// 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 helpers
import (
"bytes"
"regexp"
"testing"
"github.com/spf13/viper"
)
// Renders a codeblock using Blackfriday
func render(input string) string {
ctx := newViperProvidedRenderingContext()
render := getHTMLRenderer(0, ctx)
buf := &bytes.Buffer{}
render.BlockCode(buf, []byte(input), "html")
return buf.String()
}
// Renders a codeblock using Mmark
func renderWithMmark(input string) string {
ctx := newViperProvidedRenderingContext()
render := getMmarkHTMLRenderer(0, ctx)
buf := &bytes.Buffer{}
render.BlockCode(buf, []byte(input), "html", []byte(""), false, false)
return buf.String()
}
func TestCodeFence(t *testing.T) {
if !HasPygments() {
t.Skip("Skipping Pygments test as Pygments is not installed or available.")
return
}
type test struct {
enabled bool
input, expected string
}
// Pygments 2.0 and 2.1 have slightly different outputs so only do partial matching
data := []test{
{true, "", `(?s)^\n$`},
{false, "", `(?s)^.*?
\n$`},
}
viper.Reset()
defer viper.Reset()
viper.Set("PygmentsStyle", "monokai")
viper.Set("PygmentsUseClasses", true)
for i, d := range data {
viper.Set("PygmentsCodeFences", d.enabled)
result := render(d.input)
expectedRe, err := regexp.Compile(d.expected)
if err != nil {
t.Fatal("Invalid regexp", err)
}
matched := expectedRe.MatchString(result)
if !matched {
t.Errorf("Test %d failed. BlackFriday enabled:%t, Expected:\n%q got:\n%q", i, d.enabled, d.expected, result)
}
result = renderWithMmark(d.input)
matched = expectedRe.MatchString(result)
if !matched {
t.Errorf("Test %d failed. Mmark enabled:%t, Expected:\n%q got:\n%q", i, d.enabled, d.expected, result)
}
}
}
func TestBlackfridayTaskList(t *testing.T) {
for i, this := range []struct {
markdown string
taskListEnabled bool
expect string
}{
{`
TODO:
- [x] On1
- [X] On2
- [ ] Off
END
`, true, `TODO:
END
`},
{`- [x] On1`, false, `
`},
} {
blackFridayConfig := NewBlackfriday(viper.GetViper())
blackFridayConfig.TaskLists = this.taskListEnabled
ctx := &RenderingContext{Content: []byte(this.markdown), PageFmt: "markdown", Config: blackFridayConfig}
result := string(RenderBytes(ctx))
if result != this.expect {
t.Errorf("[%d] got \n%v but expected \n%v", i, result, this.expect)
}
}
}