gotext/locale_test.go

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/*
* Copyright (c) 2018 DeineAgentur UG https://www.deineagentur.com. All rights reserved.
* Licensed under the MIT License. See LICENSE file in the project root for full license information.
*/
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package gotext
import (
"os"
"path"
"testing"
"testing/fstest"
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)
func TestLocale(t *testing.T) {
// Set PO content
str := `
msgid ""
msgstr ""
# Initial comment
# Headers below
"Language: en\n"
"Content-Type: text/plain; charset=UTF-8\n"
"Content-Transfer-Encoding: 8bit\n"
"Plural-Forms: nplurals=2; plural=(n != 1);\n"
# Some comment
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msgid "My text"
msgstr "Translated text"
# More comments
msgid "Another string"
msgstr ""
msgid "One with var: %s"
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msgid_plural "Several with vars: %s"
msgstr[0] "This one is the singular: %s"
msgstr[1] "This one is the plural: %s"
msgstr[2] "And this is the second plural form: %s"
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msgid "This one has invalid syntax translations"
msgid_plural "Plural index"
msgstr[abc] "Wrong index"
msgstr[1 "Forgot to close brackets"
msgstr[0] "Badly formatted string'
msgctxt "Ctx"
msgid "One with var: %s"
msgid_plural "Several with vars: %s"
msgstr[0] "This one is the singular in a Ctx context: %s"
msgstr[1] "This one is the plural in a Ctx context: %s"
msgid "Some random"
msgstr "Some random Translation"
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msgctxt "Ctx"
msgid "Some random in a context"
msgstr "Some random Translation in a context"
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msgid "More"
msgstr "More Translation"
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`
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var locales []*Locale
{ // test os
// Create Locales directory with simplified language code
dirname := path.Join("/tmp", "en", "LC_MESSAGES")
err := os.MkdirAll(dirname, os.ModePerm)
if err != nil {
t.Fatalf("Can't create test directory: %s", err.Error())
}
// Write PO content to file
filename := path.Join(dirname, "my_domain.po")
f, err := os.Create(filename)
if err != nil {
t.Fatalf("Can't create test file: %s", err.Error())
}
defer f.Close()
_, err = f.WriteString(str)
if err != nil {
t.Fatalf("Can't write to test file: %s", err.Error())
}
// Create Locale with full language code
locales = append(locales, NewLocale("/tmp", "en_US"))
}
{ // test fs
fs := make(fstest.MapFS)
fs["en/LC_MESSAGES/my_domain.po"] = &fstest.MapFile{Data: []byte(str)}
locales = append(locales, NewLocaleFS("en_US", fs))
}
for _, l := range locales {
// Force nil domain storage
l.Domains = nil
// Add domain
l.AddDomain("my_domain")
// Test translations
tr := l.GetD("my_domain", "My text")
if tr != translatedText {
t.Errorf("Expected '%s' but got '%s'", translatedText, tr)
}
v := "Variable"
tr = l.GetD("my_domain", "One with var: %s", v)
if tr != "This one is the singular: Variable" {
t.Errorf("Expected 'This one is the singular: Variable' but got '%s'", tr)
}
// Test plural
tr = l.GetND("my_domain", "One with var: %s", "Several with vars: %s", 7, v)
if tr != "This one is the plural: Variable" {
t.Errorf("Expected 'This one is the plural: Variable' but got '%s'", tr)
}
// Test context translations
tr = l.GetC("Some random in a context", "Ctx")
if tr != "Some random Translation in a context" {
t.Errorf("Expected 'Some random Translation in a context'. Got '%s'", tr)
}
v = "Test"
tr = l.GetNC("One with var: %s", "Several with vars: %s", 23, "Ctx", v)
if tr != "This one is the plural in a Ctx context: Test" {
t.Errorf("Expected 'This one is the plural in a Ctx context: Test'. Got '%s'", tr)
}
tr = l.GetDC("my_domain", "One with var: %s", "Ctx", v)
if tr != "This one is the singular in a Ctx context: Test" {
t.Errorf("Expected 'This one is the singular in a Ctx context: Test' but got '%s'", tr)
}
// Test plural
tr = l.GetNDC("my_domain", "One with var: %s", "Several with vars: %s", 3, "Ctx", v)
if tr != "This one is the plural in a Ctx context: Test" {
t.Errorf("Expected 'This one is the plural in a Ctx context: Test' but got '%s'", tr)
}
// Test last Translation
tr = l.GetD("my_domain", "More")
if tr != "More Translation" {
t.Errorf("Expected 'More Translation' but got '%s'", tr)
}
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}
}
func TestLocaleFails(t *testing.T) {
// Set PO content
str := `
msgid ""
msgstr ""
# Initial comment
# Headers below
"Language: en\n"
"Content-Type: text/plain; charset=UTF-8\n"
"Content-Transfer-Encoding: 8bit\n"
"Plural-Forms: nplurals=2; plural=(n != 1);\n"
# Some comment
msgid "My text"
msgstr "Translated text"
# More comments
msgid "Another string"
msgstr ""
msgid "One with var: %s"
msgid_plural "Several with vars: %s"
msgstr[0] "This one is the singular: %s"
msgstr[1] "This one is the plural: %s"
msgstr[2] "And this is the second plural form: %s"
msgid "This one has invalid syntax translations"
msgid_plural "Plural index"
msgstr[abc] "Wrong index"
msgstr[1 "Forgot to close brackets"
msgstr[0] "Badly formatted string'
msgid "Invalid formatted id[] with no translations
msgctxt "Ctx"
msgid "One with var: %s"
msgid_plural "Several with vars: %s"
msgstr[0] "This one is the singular in a Ctx context: %s"
msgstr[1] "This one is the plural in a Ctx context: %s"
msgid "Some random"
msgstr "Some random Translation"
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msgctxt "Ctx"
msgid "Some random in a context"
msgstr "Some random Translation in a context"
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msgid "More"
msgstr "More Translation"
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`
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// Create Locales directory with simplified language code
dirname := path.Join("/tmp", "en", "LC_MESSAGES")
err := os.MkdirAll(dirname, os.ModePerm)
if err != nil {
t.Fatalf("Can't create test directory: %s", err.Error())
}
// Write PO content to file
filename := path.Join(dirname, "my_domain.po")
f, err := os.Create(filename)
if err != nil {
t.Fatalf("Can't create test file: %s", err.Error())
}
defer f.Close()
_, err = f.WriteString(str)
if err != nil {
t.Fatalf("Can't write to test file: %s", err.Error())
}
// Create Locale with full language code
l := NewLocale("/tmp", "en_US")
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// Test language
language := l.GetLanguage()
if language != "en_US" {
t.Errorf("Expected 'en_US' but got '%s'", language)
}
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// Force nil domain storage
l.Domains = nil
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// Add domain
l.AddDomain("my_domain")
// Test non-existent "default" domain responses
tr := l.GetDomain()
if tr != "my_domain" {
t.Errorf("Expected 'my_domain' but got '%s'", tr)
}
// Set default domain to make it fail
l.SetDomain("default")
// Test non-existent "default" domain responses
tr = l.GetDomain()
if tr != "default" {
t.Errorf("Expected 'default' but got '%s'", tr)
}
// Test non-existent "default" domain responses
tr = l.Get("My text")
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if tr != "My text" {
t.Errorf("Expected 'My text' but got '%s'", tr)
}
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v := "Variable"
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tr = l.GetN("One with var: %s", "Several with vars: %s", 2, v)
if tr != "Several with vars: Variable" {
t.Errorf("Expected 'Several with vars: Variable' but got '%s'", tr)
}
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// Test inexistent translations
tr = l.Get("This is a test")
if tr != "This is a test" {
t.Errorf("Expected 'This is a test' but got '%s'", tr)
}
tr = l.GetN("This is a test", "This are tests", 1)
if tr != "This is a test" {
t.Errorf("Expected 'This is a test' but got '%s'", tr)
}
tr = l.GetN("This is a test", "This are tests", 7)
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if tr != "This are tests" {
t.Errorf("Expected 'This are tests' but got '%s'", tr)
}
// Test syntax error parsed translations
tr = l.Get("This one has invalid syntax translations")
if tr != "This one has invalid syntax translations" {
t.Errorf("Expected 'This one has invalid syntax translations' but got '%s'", tr)
}
tr = l.GetN("This one has invalid syntax translations", "This are tests", 1)
if tr != "This one has invalid syntax translations" {
t.Errorf("Expected 'This one has invalid syntax translations' but got '%s'", tr)
}
tr = l.GetN("This one has invalid syntax translations", "This are tests", 2)
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if tr != "This are tests" {
t.Errorf("Expected 'This are tests' but got '%s'", tr)
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}
// Create Locale with full language code
l = NewLocale("/tmp", "golem")
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// Test language
language = l.GetLanguage()
if language != "golem" {
t.Errorf("Expected 'golem' but got '%s'", language)
}
// Force nil domain storage
l.Domains = nil
// Add domain
l.SetDomain("my_domain")
// Test non-existent "default" domain responses
tr = l.GetDomain()
if tr != "my_domain" {
t.Errorf("Expected 'my_domain' but got '%s'", tr)
}
// Test syntax error parsed translations
tr = l.Get("This one has invalid syntax translations")
if tr != "This one has invalid syntax translations" {
t.Errorf("Expected 'This one has invalid syntax translations' but got '%s'", tr)
}
tr = l.GetN("This one has invalid syntax translations", "This are tests", 1)
if tr != "This one has invalid syntax translations" {
t.Errorf("Expected 'This one has invalid syntax translations' but got '%s'", tr)
}
tr = l.GetN("This one has invalid syntax translations", "This are tests", 111)
if tr != "This are tests" {
t.Errorf("Expected 'This are tests' but got '%s'", tr)
}
// Create Locale with full language code
l = NewLocale("fixtures/", "fr_FR")
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// Test language
language = l.GetLanguage()
if language != "fr_FR" {
t.Errorf("Expected 'fr_FR' but got '%s'", language)
}
// Force nil domain storage
l.Domains = nil
// Add domain
l.SetDomain("default")
// Test non-existent "default" domain responses
tr = l.GetDomain()
if tr != "default" {
t.Errorf("Expected 'my_domain' but got '%s'", tr)
}
// Test syntax error parsed translations
tr = l.Get("This one has invalid syntax translations")
if tr != "This one has invalid syntax translations" {
t.Errorf("Expected 'This one has invalid syntax translations' but got '%s'", tr)
}
tr = l.GetN("This one has invalid syntax translations", "This are tests", 1)
if tr != "This one has invalid syntax translations" {
t.Errorf("Expected 'This one has invalid syntax translations' but got '%s'", tr)
}
tr = l.GetN("This one has invalid syntax translations", "This are tests", 21)
if tr != "This are tests" {
t.Errorf("Expected 'This are tests' but got '%s'", tr)
}
// Create Locale with full language code
l = NewLocale("fixtures/", "de_DE")
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// Test language
language = l.GetLanguage()
if language != "de_DE" {
t.Errorf("Expected 'de_DE' but got '%s'", language)
}
// Force nil domain storage
l.Domains = nil
// Add domain
l.SetDomain("default")
// Test non-existent "default" domain responses
tr = l.GetDomain()
if tr != "default" {
t.Errorf("Expected 'my_domain' but got '%s'", tr)
}
// Test syntax error parsed translations
tr = l.Get("This one has invalid syntax translations")
if tr != "This one has invalid syntax translations" {
t.Errorf("Expected 'This one has invalid syntax translations' but got '%s'", tr)
}
tr = l.GetN("This one has invalid syntax translations", "This are tests", 1)
if tr != "This one has invalid syntax translations" {
t.Errorf("Expected 'This one has invalid syntax translations' but got '%s'", tr)
}
tr = l.GetN("This one has invalid syntax translations", "This are tests", 2)
if tr != "This are tests" {
t.Errorf("Expected 'This are tests' but got '%s'", tr)
}
// Create Locale with full language code
l = NewLocale("fixtures/", "de_AT")
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// Test language
language = l.GetLanguage()
if language != "de_AT" {
t.Errorf("Expected 'de_AT' but got '%s'", language)
}
// Force nil domain storage
l.Domains = nil
// Add domain
l.SetDomain("default")
// Test non-existent "default" domain responses
tr = l.GetDomain()
if tr != "default" {
t.Errorf("Expected 'my_domain' but got '%s'", tr)
}
// Test syntax error parsed translations
tr = l.Get("This one has invalid syntax translations")
if tr != "This one has invalid syntax translations" {
t.Errorf("Expected 'This one has invalid syntax translations' but got '%s'", tr)
}
// Test syntax error parsed translations
tr = l.GetNDC("mega", "This one has invalid syntax translations", "plural", 2, "ctx")
if tr != "plural" {
t.Errorf("Expected 'plural' but got '%s'", tr)
}
tr = l.GetN("This one has invalid syntax translations", "This are tests", 1)
if tr != "This one has invalid syntax translations" {
t.Errorf("Expected 'This one has invalid syntax translations' but got '%s'", tr)
}
tr = l.GetN("This one has invalid syntax translations", "This are tests", 14)
if tr != "This are tests" {
t.Errorf("Expected 'This are tests' but got '%s'", tr)
}
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}
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func TestLocaleRace(t *testing.T) {
// Set PO content
str := `# Some comment
msgid "My text"
msgstr "Translated text"
# More comments
msgid "Another string"
msgstr ""
msgid "One with var: %s"
msgid_plural "Several with vars: %s"
msgstr[0] "This one is the singular: %s"
msgstr[1] "This one is the plural: %s"
msgstr[2] "And this is the second plural form: %s"
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`
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var locales []*Locale
{ // test os
// Create Locales directory with simplified language code
dirname := path.Join("/tmp", "es")
err := os.MkdirAll(dirname, os.ModePerm)
if err != nil {
t.Fatalf("Can't create test directory: %s", err.Error())
}
// Write PO content to file
filename := path.Join(dirname, "race.po")
f, err := os.Create(filename)
if err != nil {
t.Fatalf("Can't create test file: %s", err.Error())
}
defer f.Close()
_, err = f.WriteString(str)
if err != nil {
t.Fatalf("Can't write to test file: %s", err.Error())
}
// Create Locale
locales = append(locales, NewLocale("/tmp", "es"))
}
{ // test fs
fs := make(fstest.MapFS)
fs["es/LC_MESSAGES/race.po"] = &fstest.MapFile{Data: []byte(str)}
locales = append(locales, NewLocaleFS("es", fs))
}
for _, l := range locales {
// Init sync channels
ac := make(chan bool)
rc := make(chan bool)
// Add domain in goroutine
go func(l *Locale, done chan bool) {
l.AddDomain("race")
done <- true
}(l, ac)
// Get translations in goroutine
go func(l *Locale, done chan bool) {
l.GetD("race", "My text")
done <- true
}(l, rc)
// Get translations at top level
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l.GetD("race", "My text")
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// Wait for goroutines to finish
<-ac
<-rc
}
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}
func TestAddTranslator(t *testing.T) {
// Create po object
po := NewPo()
// Parse file
po.ParseFile("fixtures/en_US/default.po")
// Create Locale
l := NewLocale("", "en")
// Add PO Translator to Locale object
l.AddTranslator("default", po)
// Test translations
tr := l.Get("My text")
if tr != translatedText {
t.Errorf("Expected '%s' but got '%s'", translatedText, tr)
}
// Test translations
tr = l.Get("language")
if tr != "en_US" {
t.Errorf("Expected 'en_US' but got '%s'", tr)
}
}
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func TestAddTranslatorFS(t *testing.T) {
fs := os.DirFS("fixtures")
// Create po object
po := NewPoFS(fs)
// Parse file
po.ParseFile("en_US/default.po")
// Create Locale
l := NewLocaleFS("en", fs)
// Add PO Translator to Locale object
l.AddTranslator("default", po)
// Test translations
tr := l.Get("My text")
if tr != translatedText {
t.Errorf("Expected '%s' but got '%s'", translatedText, tr)
}
// Test translations
tr = l.Get("language")
if tr != "en_US" {
t.Errorf("Expected 'en_US' but got '%s'", tr)
}
}
func TestArabicTranslation(t *testing.T) {
var locales []*Locale
{ // test os
// Create Locale
locales = append(locales, NewLocale("fixtures/", "ar"))
}
{ // test fs
locales = append(locales, NewLocaleFS("ar", os.DirFS("fixtures")))
}
for _, l := range locales {
// Add domain
l.AddDomain("categories")
// Plurals formula missing + Plural translation string missing
tr := l.GetD("categories", "Alcohol & Tobacco")
if tr != "الكحول والتبغ" {
t.Errorf("Expected to get 'الكحول والتبغ', but got '%s'", tr)
}
// Plural translation string present without translations, should get the msgid_plural
tr = l.GetND("categories", "%d selected", "%d selected", 10)
if tr != "%d selected" {
t.Errorf("Expected to get '%%d selected', but got '%s'", tr)
}
//Plurals formula present + Plural translation string present and complete
tr = l.GetND("categories", "Load %d more document", "Load %d more documents", 0)
if tr != "حمّل %d مستندات إضافيّة" {
t.Errorf("Expected to get 'msgstr[0]', but got '%s'", tr)
}
tr = l.GetND("categories", "Load %d more document", "Load %d more documents", 1)
if tr != "حمّل مستند واحد إضافي" {
t.Errorf("Expected to get 'msgstr[1]', but got '%s'", tr)
}
tr = l.GetND("categories", "Load %d more document", "Load %d more documents", 2)
if tr != "حمّل مستندين إضافيين" {
t.Errorf("Expected to get 'msgstr[2]', but got '%s'", tr)
}
tr = l.GetND("categories", "Load %d more document", "Load %d more documents", 6)
if tr != "حمّل %d مستندات إضافيّة" {
t.Errorf("Expected to get 'msgstr[3]', but got '%s'", tr)
}
tr = l.GetND("categories", "Load %d more document", "Load %d more documents", 116)
if tr != "حمّل %d مستندا إضافيّا" {
t.Errorf("Expected to get 'msgstr[4]', but got '%s'", tr)
}
tr = l.GetND("categories", "Load %d more document", "Load %d more documents", 102)
if tr != "حمّل %d مستند إضافي" {
t.Errorf("Expected to get 'msgstr[5]', but got '%s'", tr)
}
}
}
func TestArabicMissingPluralForm(t *testing.T) {
var locales []*Locale
{ // test os
// Create Locale
locales = append(locales, NewLocale("fixtures/", "ar"))
}
{ // test fs
locales = append(locales, NewLocaleFS("ar", os.DirFS("fixtures")))
}
for _, l := range locales {
// Add domain
l.AddDomain("no_plural_header")
// Get translation
tr := l.GetD("no_plural_header", "Alcohol & Tobacco")
if tr != "الكحول والتبغ" {
t.Errorf("Expected to get 'الكحول والتبغ', but got '%s'", tr)
}
}
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}
func TestLocale_GetTranslations(t *testing.T) {
var locales []*Locale
{ // test os
locales = append(locales, NewLocale("fixtures/", "en_US"))
}
{ // test fs
locales = append(locales, NewLocaleFS("en_US", os.DirFS("fixtures")))
}
for _, l := range locales {
l.AddDomain("default")
all := l.GetTranslations()
if len(all) < 5 {
t.Errorf("length of all translations is too few: %d", len(all))
}
const moreMsgID = "More"
more, ok := all[moreMsgID]
if !ok {
t.Error("missing expected translation")
}
if more.Get() != l.Get(moreMsgID) {
t.Errorf("translations of msgid %s do not match: \"%s\" != \"%s\"", moreMsgID, more.Get(), l.Get(moreMsgID))
}
}
}