golang.org/x/text@v0.14.0/message/catalog_test.go (about)

     1  // Copyright 2017 The Go Authors. All rights reserved.
     2  // Use of this source code is governed by a BSD-style
     3  // license that can be found in the LICENSE file.
     4  
     5  package message
     6  
     7  import (
     8  	"strings"
     9  	"testing"
    10  
    11  	"golang.org/x/text/language"
    12  	"golang.org/x/text/message/catalog"
    13  )
    14  
    15  func TestMatchLanguage(t *testing.T) {
    16  	c := catalog.NewBuilder(catalog.Fallback(language.English))
    17  	c.SetString(language.Bengali, "", "")
    18  	c.SetString(language.English, "", "")
    19  	c.SetString(language.German, "", "")
    20  
    21  	saved := DefaultCatalog
    22  	defer func() { DefaultCatalog = saved }()
    23  	DefaultCatalog = c
    24  
    25  	testCases := []struct {
    26  		args string // '|'-separated list
    27  		want string
    28  	}{{
    29  		args: "de-CH",
    30  		want: "de-u-rg-chzzzz",
    31  	}, {
    32  		args: "bn-u-nu-latn|en-US,en;q=0.9,de;q=0.8,nl;q=0.7",
    33  		want: "bn-u-nu-latn",
    34  	}, {
    35  		args: "gr",
    36  		want: "en",
    37  	}}
    38  	for _, tc := range testCases {
    39  		t.Run(tc.args, func(t *testing.T) {
    40  			got := MatchLanguage(strings.Split(tc.args, "|")...)
    41  			if got != language.Make(tc.want) {
    42  				t.Errorf("got %q; want %q", got, tc.want)
    43  			}
    44  		})
    45  	}
    46  }