cd1de45ba5
Also add some unit tests -- one of which currently fails due to ongoing design discussion about how certain escape codes should be handled. Signed-off-by: Aleksa Sarai <asarai@suse.de>
92 lines
2.7 KiB
Go
92 lines
2.7 KiB
Go
/*
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* govis: unicode aware vis(3) encoding implementation
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* Copyright (C) 2017 SUSE LLC.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package govis
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import (
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"testing"
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)
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func TestUnvisOctalEscape(t *testing.T) {
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for _, test := range []struct {
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input string
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expected string
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}{
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{"", ""},
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{"\\1", "\001"},
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{"\\01\\02\\3", "\001\002\003"},
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{"\\001\\023\\32", "\001\023\032"},
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{"this is a test\\0k1\\133", "this is a test\000k1\133"},
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{"\\170YET\\01another test\\1\\\\82", "\170YET\001another test\001\\82"},
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{"\\177MORE tests\\09a", "\177MORE tests\x009a"},
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{"\\\\710more\\1215testing", "\\710more\1215testing"},
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} {
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got, err := Unvis(test.input, DefaultVisFlags)
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if err != nil {
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t.Errorf("unexpected error doing unvis(%q): %q", test.input, err)
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continue
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}
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if got != test.expected {
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t.Errorf("expected unvis(%q) = %q, got %q", test.input, test.expected, got)
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}
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}
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}
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func TestUnvisHexEscape(t *testing.T) {
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for _, test := range []struct {
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input string
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expected string
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}{
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{"", ""},
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{"\\x01", "\x01"},
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{"\\x01\\x02\\x7a", "\x01\x02\x7a"},
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{"this is a test\\x13\\x52\\x6f", "this is a test\x13\x52\x6f"},
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{"\\x170YET\\x01a\\x22nother test\\x11", "\x170YET\x01a\x22nother test\x11"},
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{"\\\\x007more\\\\x215testing", "\\x007more\\x215testing"},
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// Make sure that decoding unicode works properly.
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{"\\xf0\\x9f\\x95\\xb4", "\U0001f574"},
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} {
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got, err := Unvis(test.input, DefaultVisFlags)
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if err != nil {
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t.Errorf("unexpected error doing unvis(%q): %q", test.input, err)
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continue
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}
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if got != test.expected {
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t.Errorf("expected unvis(%q) = %q, got %q", test.input, test.expected, got)
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}
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}
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}
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func TestUnvisUnicode(t *testing.T) {
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// Ensure that unicode strings are not messed up by Unvis.
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for _, test := range []string{
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"",
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"this.is.a.normal_string",
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"AC_Raíz_Certicámara_S.A..pem",
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"NetLock_Arany_=Class_Gold=_Főtanúsítvány.pem",
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"TÜBİTAK_UEKAE_Kök_Sertifika_Hizmet_Sağlayıcısı_-_Sürüm_3.pem",
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} {
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got, err := Unvis(test, DefaultVisFlags)
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if err != nil {
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t.Errorf("unexpected error doing unvis(%q): %s", test, err)
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continue
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}
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if got != test {
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t.Errorf("expected %q to be unchanged, got %q", test, got)
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}
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}
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}
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