github.com/keybase/client/go@v0.0.0-20240309051027-028f7c731f8b/updater/util/strings_test.go (about)

     1  // Copyright 2015 Keybase, Inc. All rights reserved. Use of
     2  // this source code is governed by the included BSD license.
     3  
     4  package util
     5  
     6  import (
     7  	"strings"
     8  	"testing"
     9  )
    10  
    11  func TestJoinPredicate(t *testing.T) {
    12  	f := func(s string) bool { return strings.HasPrefix(s, "f") }
    13  	s := JoinPredicate([]string{"foo", "bar", "faa"}, "-", f)
    14  	if s != "foo-faa" {
    15  		t.Errorf("Unexpected output: %s", s)
    16  	}
    17  }