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// Copyright 2017 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 i18n
import (
"testing"
"io/ioutil"
"os"
"log"
"github.com/nicksnyder/go-i18n/i18n/bundle"
"github.com/spf13/hugo/config"
jww "github.com/spf13/jwalterweatherman"
"github.com/spf13/viper"
"github.com/stretchr/testify/require"
)
var logger = jww.NewNotepad(jww.LevelError, jww.LevelError, os.Stdout, ioutil.Discard, "", log.Ldate|log.Ltime)
type i18nTest struct {
data map[string][]byte
args interface{}
lang, id, expected, expectedFlag string
}
var i18nTests = []i18nTest{
// All translations present
{
data: map[string][]byte{
"en.yaml": []byte("- id: \"hello\"\n translation: \"Hello, World!\""),
"es.yaml": []byte("- id: \"hello\"\n translation: \"¡Hola, Mundo!\""),
},
args: nil,
lang: "es",
id: "hello",
expected: "¡Hola, Mundo!",
expectedFlag: "¡Hola, Mundo!",
},
// Translation missing in current language but present in default
{
data: map[string][]byte{
"en.yaml": []byte("- id: \"hello\"\n translation: \"Hello, World!\""),
"es.yaml": []byte("- id: \"goodbye\"\n translation: \"¡Adiós, Mundo!\""),
},
args: nil,
lang: "es",
id: "hello",
expected: "Hello, World!",
expectedFlag: "[i18n] hello",
},
// Translation missing in default language but present in current
{
data: map[string][]byte{
"en.yaml": []byte("- id: \"goodybe\"\n translation: \"Goodbye, World!\""),
"es.yaml": []byte("- id: \"hello\"\n translation: \"¡Hola, Mundo!\""),
},
args: nil,
lang: "es",
id: "hello",
expected: "¡Hola, Mundo!",
expectedFlag: "¡Hola, Mundo!",
},
// Translation missing in both default and current language
{
data: map[string][]byte{
"en.yaml": []byte("- id: \"goodbye\"\n translation: \"Goodbye, World!\""),
"es.yaml": []byte("- id: \"goodbye\"\n translation: \"¡Adiós, Mundo!\""),
},
args: nil,
lang: "es",
id: "hello",
expected: "",
expectedFlag: "[i18n] hello",
},
// Default translation file missing or empty
{
data: map[string][]byte{
"en.yaml": []byte(""),
},
args: nil,
lang: "es",
id: "hello",
expected: "",
expectedFlag: "[i18n] hello",
},
// Context provided
{
data: map[string][]byte{
"en.yaml": []byte("- id: \"wordCount\"\n translation: \"Hello, {{.WordCount}} people!\""),
"es.yaml": []byte("- id: \"wordCount\"\n translation: \"¡Hola, {{.WordCount}} gente!\""),
},
args: struct {
WordCount int
}{
50,
},
lang: "es",
id: "wordCount",
expected: "¡Hola, 50 gente!",
expectedFlag: "¡Hola, 50 gente!",
},
}
func doTestI18nTranslate(t *testing.T, data map[string][]byte, lang, id string, args interface{}, cfg config.Provider) string {
i18nBundle := bundle.New()
for file, content := range data {
err := i18nBundle.ParseTranslationFileBytes(file, content)
if err != nil {
t.Errorf("Error parsing translation file: %s", err)
}
}
translator := NewTranslator(i18nBundle, cfg, logger)
f := translator.Func(lang)
translated := f(id, args)
return translated
}
func TestI18nTranslate(t *testing.T) {
var actual, expected string
v := viper.New()
v.SetDefault("defaultContentLanguage", "en")
// Test without and with placeholders
for _, enablePlaceholders := range []bool{false, true} {
v.Set("enableMissingTranslationPlaceholders", enablePlaceholders)
for _, test := range i18nTests {
if enablePlaceholders {
expected = test.expectedFlag
} else {
expected = test.expected
}
actual = doTestI18nTranslate(t, test.data, test.lang, test.id, test.args, v)
require.Equal(t, expected, actual)
}
}
}
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