// Copyright 2023 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_test
import (
"bytes"
"html/template"
"strings"
"testing"
qt "github.com/frankban/quicktest"
"github.com/gohugoio/hugo/config"
"github.com/gohugoio/hugo/helpers"
)
const tstHTMLContent = "content foobar. Follow up
This is some text. And some more.
"
func TestTrimShortHTML(t *testing.T) {
tests := []struct {
input, output []byte
}{
{[]byte(""), []byte("")},
{[]byte("Plain text"), []byte("Plain text")},
// This seems wrong. Why touch it if it doesn't have p tag?
// {[]byte(" \t\n Whitespace text\n\n"), []byte("Whitespace text")},
{[]byte("
")},
}
c := newTestContentSpec(nil)
for i, test := range tests {
output := c.TrimShortHTML(test.input)
if !bytes.Equal(test.output, output) {
t.Errorf("Test %d failed. Expected %q got %q", i, test.output, output)
}
}
}
func TestBytesToHTML(t *testing.T) {
c := qt.New(t)
c.Assert(helpers.BytesToHTML([]byte("dobedobedo")), qt.Equals, template.HTML("dobedobedo"))
}
var benchmarkTruncateString = strings.Repeat("This is a sentence about nothing.", 20)
func BenchmarkTestTruncateWordsToWholeSentence(b *testing.B) {
c := newTestContentSpec(nil)
b.ResetTimer()
for i := 0; i < b.N; i++ {
c.TruncateWordsToWholeSentence(benchmarkTruncateString)
}
}
func TestTruncateWordsToWholeSentence(t *testing.T) {
type test struct {
input, expected string
max int
truncated bool
}
data := []test{
{"a b c", "a b c", 12, false},
{"a b c", "a b c", 3, false},
{"a", "a", 1, false},
{"This is a sentence.", "This is a sentence.", 5, false},
{"This is also a sentence!", "This is also a sentence!", 1, false},
{"To be. Or not to be. That's the question.", "To be.", 1, true},
{" \nThis is not a sentence\nAnd this is another", "This is not a sentence", 4, true},
{"", "", 10, false},
{"This... is a more difficult test?", "This... is a more difficult test?", 1, false},
}
for i, d := range data {
cfg := config.New()
cfg.Set("summaryLength", d.max)
c := newTestContentSpec(cfg)
output, truncated := c.TruncateWordsToWholeSentence(d.input)
if d.expected != output {
t.Errorf("Test %d failed. Expected %q got %q", i, d.expected, output)
}
if d.truncated != truncated {
t.Errorf("Test %d failed. Expected truncated=%t got %t", i, d.truncated, truncated)
}
}
}
func TestTruncateWordsByRune(t *testing.T) {
type test struct {
input, expected string
max int
truncated bool
}
data := []test{
{"", "", 1, false},
{"a b c", "a b c", 12, false},
{"a b c", "a b c", 3, false},
{"a", "a", 1, false},
{"Hello 中国", "", 0, true},
{"这是中文，全中文。", "这是中文，", 5, true},
{"Hello 中国", "Hello 中", 2, true},
{"Hello 中国", "Hello 中国", 3, false},
{"Hello中国 Good 好的", "Hello中国 Good 好", 9, true},
{"This is a sentence.", "This is", 2, true},
{"This is also a sentence!", "This", 1, true},
{"To be. Or not to be. That's the question.", "To be. Or not", 4, true},
{" \nThis is not a sentence\n ", "This is not", 3, true},
}
for i, d := range data {
cfg := config.New()
cfg.Set("summaryLength", d.max)
c := newTestContentSpec(cfg)
output, truncated := c.TruncateWordsByRune(strings.Fields(d.input))
if d.expected != output {
t.Errorf("Test %d failed. Expected %q got %q", i, d.expected, output)
}
if d.truncated != truncated {
t.Errorf("Test %d failed. Expected truncated=%t got %t", i, d.truncated, truncated)
}
}
}
func TestExtractTOCNormalContent(t *testing.T) {
content := []byte("