func main() {
// NOTE: this example is omitting allot of error checking for brevity
e := en.New()
universalTraslator = ut.New(e, e, en_CA.New(), nl.New(), fr.New())
en, _ := universalTraslator.GetTranslator("en")
// generally used after parsing an http 'Accept-Language' header
// and this will try to find a matching locale you support or
// fallback locale.
// en, _ := ut.FindTranslator([]string{"en", "en_CA", "nl"})
// this will help
fmt.Println("Cardinal Plural Rules:", en.PluralsCardinal())
fmt.Println("Ordinal Plural Rules:", en.PluralsOrdinal())
fmt.Println("Range Plural Rules:", en.PluralsRange())
// add basic language only translations
// last param indicates if it's ok to override the translation if one already exists
en.Add("welcome", "Welcome {0} to our test", false)
// add language translations dependant on cardinal plural rules
en.AddCardinal("days", "You have {0} day left to register", locales.PluralRuleOne, false)
en.AddCardinal("days", "You have {0} days left to register", locales.PluralRuleOther, false)
// add language translations dependant on ordinal plural rules
en.AddOrdinal("day-of-month", "{0}st", locales.PluralRuleOne, false)
en.AddOrdinal("day-of-month", "{0}nd", locales.PluralRuleTwo, false)
en.AddOrdinal("day-of-month", "{0}rd", locales.PluralRuleFew, false)
en.AddOrdinal("day-of-month", "{0}th", locales.PluralRuleOther, false)
// add language translations dependant on range plural rules
// NOTE: only one plural rule for range in 'en' locale
en.AddRange("between", "It's {0}-{1} days away", locales.PluralRuleOther, false)
// now lets use the translations we just added, in the same order we added them
fmt.Println(en.T("welcome", "Joeybloggs"))
fmt.Println(en.C("days", 1, 0, en.FmtNumber(1, 0))) // you'd normally have variables defined for 1 and 0
fmt.Println(en.C("days", 2, 0, en.FmtNumber(2, 0)))
fmt.Println(en.C("days", 10456.25, 2, en.FmtNumber(10456.25, 2)))
fmt.Println(en.O("day-of-month", 1, 0, en.FmtNumber(1, 0)))
fmt.Println(en.O("day-of-month", 2, 0, en.FmtNumber(2, 0)))
fmt.Println(en.O("day-of-month", 3, 0, en.FmtNumber(3, 0)))
fmt.Println(en.O("day-of-month", 4, 0, en.FmtNumber(4, 0)))
fmt.Println(en.O("day-of-month", 10456.25, 0, en.FmtNumber(10456.25, 0)))
fmt.Println(en.R("between", 0, 0, 1, 0, en.FmtNumber(0, 0), en.FmtNumber(1, 0)))
fmt.Println(en.R("between", 1, 0, 2, 0, en.FmtNumber(1, 0), en.FmtNumber(2, 0)))
fmt.Println(en.R("between", 1, 0, 100, 0, en.FmtNumber(1, 0), en.FmtNumber(100, 0)))
}
func TestCardinalTranslation(t *testing.T) {
e := en.New()
uni := New(e, e)
en, found := uni.GetTranslator("en")
if !found {
t.Fatalf("Expected '%t' Got '%t'", true, found)
}
translations := []struct {
key interface{}
trans string
rule locales.PluralRule
expected error
expectedError bool
override bool
}{
// bad translation
{
key: "cardinal_test",
trans: "You have a day left.",
rule: locales.PluralRuleOne,
expected: &ErrCardinalTranslation{text: fmt.Sprintf("error: parameter '%s' not found, may want to use 'Add' instead of 'AddCardinal'", paramZero)},
expectedError: true,
},
{
key: "cardinal_test",
trans: "You have {0} day",
rule: locales.PluralRuleOne,
expected: nil,
},
{
key: "cardinal_test",
trans: "You have {0} days left.",
rule: locales.PluralRuleOther,
expected: nil,
},
{
key: "cardinal_test",
trans: "You have {0} days left.",
rule: locales.PluralRuleOther,
expected: &ErrConflictingTranslation{key: "cardinal_test", rule: locales.PluralRuleOther, text: "You have {0} days left."},
expectedError: true,
},
{
key: "cardinal_test",
trans: "You have {0} day left.",
rule: locales.PluralRuleOne,
expected: nil,
override: true,
},
}
for _, tt := range translations {
err := en.AddCardinal(tt.key, tt.trans, tt.rule, tt.override)
if err != tt.expected {
if !tt.expectedError || err.Error() != tt.expected.Error() {
t.Errorf("Expected '<nil>' Got '%s'", err)
}
}
}
tests := []struct {
key interface{}
num float64
digits uint64
param string
expected string
expectedError bool
}{
{
key: "cardinal_test",
num: 1,
digits: 0,
param: string(en.FmtNumber(1, 0)),
expected: "You have 1 day left.",
},
// bad translation key
{
key: "non-existant",
num: 1,
digits: 0,
param: string(en.FmtNumber(1, 0)),
expected: "",
expectedError: true,
},
}
for _, tt := range tests {
s, err := en.C(tt.key, tt.num, tt.digits, tt.param)
if err != nil {
if !tt.expectedError && err != ErrUnknowTranslation {
t.Errorf("Expected '<nil>' Got '%s'", err)
}
}
if s != tt.expected {
t.Errorf("Expected '%s' Got '%s'", tt.expected, s)
}
}
}