ref: c80132bbe50f443a8be06dcbc51b855a5a5f8fa2
dir: /langs/i18n/i18n_test.go/
// 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 (
"path/filepath"
"testing"
"github.com/gohugoio/hugo/modules"
"github.com/gohugoio/hugo/tpl/tplimpl"
"github.com/gohugoio/hugo/common/loggers"
"github.com/gohugoio/hugo/langs"
"github.com/gohugoio/hugo/resources/page"
"github.com/spf13/afero"
"github.com/spf13/viper"
"github.com/gohugoio/hugo/deps"
qt "github.com/frankban/quicktest"
"github.com/gohugoio/hugo/config"
"github.com/gohugoio/hugo/hugofs"
)
var logger = loggers.NewErrorLogger()
type i18nTest struct {
name string
data map[string][]byte
args interface{}
lang, id, expected, expectedFlag string
}
var i18nTests = []i18nTest{
// All translations present
{
name: "all-present",
data: map[string][]byte{
"en.toml": []byte("[hello]\nother = \"Hello, World!\""),
"es.toml": []byte("[hello]\nother = \"¡Hola, Mundo!\""),
},
args: nil,
lang: "es",
id: "hello",
expected: "¡Hola, Mundo!",
expectedFlag: "¡Hola, Mundo!",
},
// Translation missing in current language but present in default
{
name: "present-in-default",
data: map[string][]byte{
"en.toml": []byte("[hello]\nother = \"Hello, World!\""),
"es.toml": []byte("[goodbye]\nother = \"¡Adiós, Mundo!\""),
},
args: nil,
lang: "es",
id: "hello",
expected: "Hello, World!",
expectedFlag: "[i18n] hello",
},
// Translation missing in default language but present in current
{
name: "present-in-current",
data: map[string][]byte{
"en.toml": []byte("[goodbye]\nother = \"Goodbye, World!\""),
"es.toml": []byte("[hello]\nother = \"¡Hola, Mundo!\""),
},
args: nil,
lang: "es",
id: "hello",
expected: "¡Hola, Mundo!",
expectedFlag: "¡Hola, Mundo!",
},
// Translation missing in both default and current language
{
name: "missing",
data: map[string][]byte{
"en.toml": []byte("[goodbye]\nother = \"Goodbye, World!\""),
"es.toml": []byte("[goodbye]\nother = \"¡Adiós, Mundo!\""),
},
args: nil,
lang: "es",
id: "hello",
expected: "",
expectedFlag: "[i18n] hello",
},
// Default translation file missing or empty
{
name: "file-missing",
data: map[string][]byte{
"en.toml": []byte(""),
},
args: nil,
lang: "es",
id: "hello",
expected: "",
expectedFlag: "[i18n] hello",
},
// Context provided
{
name: "context-provided",
data: map[string][]byte{
"en.toml": []byte("[wordCount]\nother = \"Hello, {{.WordCount}} people!\""),
"es.toml": []byte("[wordCount]\nother = \"¡Hola, {{.WordCount}} gente!\""),
},
args: struct {
WordCount int
}{
50,
},
lang: "es",
id: "wordCount",
expected: "¡Hola, 50 gente!",
expectedFlag: "¡Hola, 50 gente!",
},
// Same id and translation in current language
// https://github.com/gohugoio/hugo/issues/2607
{
name: "same-id-and-translation",
data: map[string][]byte{
"es.toml": []byte("[hello]\nother = \"hello\""),
"en.toml": []byte("[hello]\nother = \"hi\""),
},
args: nil,
lang: "es",
id: "hello",
expected: "hello",
expectedFlag: "hello",
},
// Translation missing in current language, but same id and translation in default
{
name: "same-id-and-translation-default",
data: map[string][]byte{
"es.toml": []byte("[bye]\nother = \"bye\""),
"en.toml": []byte("[hello]\nother = \"hello\""),
},
args: nil,
lang: "es",
id: "hello",
expected: "hello",
expectedFlag: "[i18n] hello",
},
// Unknown language code should get its plural spec from en
{
name: "unknown-language-code",
data: map[string][]byte{
"en.toml": []byte(`[readingTime]
one ="one minute read"
other = "{{.Count}} minutes read"`),
"klingon.toml": []byte(`[readingTime]
one = "eitt minutt med lesing"
other = "{{ .Count }} minuttar lesing"`),
},
args: 3,
lang: "klingon",
id: "readingTime",
expected: "3 minuttar lesing",
expectedFlag: "3 minuttar lesing",
},
}
func doTestI18nTranslate(t testing.TB, test i18nTest, cfg config.Provider) string {
tp := prepareTranslationProvider(t, test, cfg)
f := tp.t.Func(test.lang)
return f(test.id, test.args)
}
func prepareTranslationProvider(t testing.TB, test i18nTest, cfg config.Provider) *TranslationProvider {
c := qt.New(t)
fs := hugofs.NewMem(cfg)
for file, content := range test.data {
err := afero.WriteFile(fs.Source, filepath.Join("i18n", file), []byte(content), 0755)
c.Assert(err, qt.IsNil)
}
tp := NewTranslationProvider()
depsCfg := newDepsConfig(tp, cfg, fs)
d, err := deps.New(depsCfg)
c.Assert(err, qt.IsNil)
c.Assert(d.LoadResources(), qt.IsNil)
return tp
}
func newDepsConfig(tp *TranslationProvider, cfg config.Provider, fs *hugofs.Fs) deps.DepsCfg {
l := langs.NewLanguage("en", cfg)
l.Set("i18nDir", "i18n")
return deps.DepsCfg{
Language: l,
Site: page.NewDummyHugoSite(cfg),
Cfg: cfg,
Fs: fs,
Logger: logger,
TemplateProvider: tplimpl.DefaultTemplateProvider,
TranslationProvider: tp,
}
}
func getConfig() *viper.Viper {
v := viper.New()
v.SetDefault("defaultContentLanguage", "en")
v.Set("contentDir", "content")
v.Set("dataDir", "data")
v.Set("i18nDir", "i18n")
v.Set("layoutDir", "layouts")
v.Set("archetypeDir", "archetypes")
v.Set("assetDir", "assets")
v.Set("resourceDir", "resources")
v.Set("publishDir", "public")
langs.LoadLanguageSettings(v, nil)
mod, err := modules.CreateProjectModule(v)
if err != nil {
panic(err)
}
v.Set("allModules", modules.Modules{mod})
return v
}
func TestI18nTranslate(t *testing.T) {
c := qt.New(t)
var actual, expected string
v := getConfig()
// 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, v)
c.Assert(actual, qt.Equals, expected)
}
}
}
func BenchmarkI18nTranslate(b *testing.B) {
v := getConfig()
for _, test := range i18nTests {
b.Run(test.name, func(b *testing.B) {
tp := prepareTranslationProvider(b, test, v)
b.ResetTimer()
for i := 0; i < b.N; i++ {
f := tp.t.Func(test.lang)
actual := f(test.id, test.args)
if actual != test.expected {
b.Fatalf("expected %v got %v", test.expected, actual)
}
}
})
}
}