termui/helper_test.go

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// Copyright 2017 Zack Guo <zack.y.guo@gmail.com>. All rights reserved.
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// Use of this source code is governed by a MIT license that can
// be found in the LICENSE file.
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package termui
import (
"testing"
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"github.com/stretchr/testify/assert"
)
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func TestStr2Rune(t *testing.T) {
s := "你好,世界."
rs := str2runes(s)
if len(rs) != 6 {
t.Error(t)
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}
}
func TestWidth(t *testing.T) {
s0 := "つのだ☆HIRO"
s1 := "11111111111"
// above not align for setting East Asian Ambiguous to wide!!
if strWidth(s0) != strWidth(s1) {
t.Error("str len failed")
}
len1 := []rune{'a', '2', '&', '「', 'オ', '。'} //will false: 'ᆵ', 'ᄚ', 'ᄒ'
for _, v := range len1 {
if charWidth(v) != 1 {
t.Error("len1 failed")
}
}
len2 := []rune{'漢', '字', '한', '자', '你', '好', 'だ', '。', '', '', '', 'ョ', '、', 'ヲ'}
for _, v := range len2 {
if charWidth(v) != 2 {
t.Error("len2 failed")
}
}
}
func TestTrim(t *testing.T) {
s := "つのだ☆HIRO"
if string(trimStr2Runes(s, 10)) != "つのだ☆HI"+dot {
t.Error("trim failed")
}
if string(trimStr2Runes(s, 11)) != "つのだ☆HIRO" {
t.Error("avoid tail trim failed")
}
if string(trimStr2Runes(s, 15)) != "つのだ☆HIRO" {
t.Error("avoid trim failed")
}
}
func TestTrimStrIfAppropriate_NoTrim(t *testing.T) {
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assert.Equal(t, "hello", TrimStrIfAppropriate("hello", 5))
}
func TestTrimStrIfAppropriate(t *testing.T) {
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assert.Equal(t, "hel…", TrimStrIfAppropriate("hello", 4))
assert.Equal(t, "h…", TrimStrIfAppropriate("hello", 2))
}
func TestStringToAttribute(t *testing.T) {
assert.Equal(t, ColorRed, StringToAttribute("ReD"))
assert.Equal(t, ColorRed|AttrBold, StringToAttribute("RED, bold"))
}