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Copy pathtruncate_test.go
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265 lines (261 loc) · 4.45 KB
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package text
import (
"testing"
)
func TestTruncate(t *testing.T) {
type args struct {
max int
s string
}
tests := []struct {
name string
args args
want string
}{
{
name: "Short enough",
args: args{
max: 5,
s: "short",
},
want: "short",
},
{
name: "Too short",
args: args{
max: 4,
s: "short",
},
want: "shor",
},
{
name: "Japanese",
args: args{
max: 11,
s: "テストテストテストテスト",
},
want: "テストテ...",
},
{
name: "Japanese filled",
args: args{
max: 11,
s: "aテストテストテストテスト",
},
want: "aテスト... ",
},
{
name: "Chinese",
args: args{
max: 11,
s: "幫新舉報違章工廠新增編號",
},
want: "幫新舉報...",
},
{
name: "Chinese filled",
args: args{
max: 11,
s: "a幫新舉報違章工廠新增編號",
},
want: "a幫新舉... ",
},
{
name: "Korean",
args: args{
max: 11,
s: "프로젝트 내의",
},
want: "프로젝트...",
},
{
name: "Korean filled",
args: args{
max: 11,
s: "a프로젝트 내의",
},
want: "a프로젝... ",
},
{
name: "Emoji",
args: args{
max: 11,
s: "💡💡💡💡💡💡💡💡💡💡💡💡",
},
want: "💡💡💡💡...",
},
{
name: "Accented characters",
args: args{
max: 11,
s: "é́́é́́é́́é́́é́́é́́é́́é́́é́́é́́é́́é́́é́́é́́é́́é́́é́́é́́é́́é́́é́́é́́é́́é́́",
},
want: "é́́é́́é́́é́́é́́é́́é́́é́́...",
},
{
name: "Red accented characters",
args: args{
max: 11,
s: "\x1b[0;31mé́́é́́é́́é́́é́́é́́é́́é́́é́́é́́é́́é́́é́́é́́é́́é́́é́́é́́é́́é́́é́́é́́é́́é́́\x1b[0m",
},
want: "\x1b[0;31mé́́é́́é́́é́́é́́é́́é́́é́́...\x1b[0m",
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
if got := Truncate(tt.args.max, tt.args.s); got != tt.want {
t.Errorf("Truncate() = %q, want %q", got, tt.want)
}
})
}
}
func TestTruncateColumn(t *testing.T) {
type args struct {
max int
s string
}
tests := []struct {
name string
args args
want string
}{
{
name: "exactly minimum width",
args: args{
max: 5,
s: "short",
},
want: "short",
},
{
name: "exactly minimum width with new line",
args: args{
max: 5,
s: "short\n",
},
want: "sh...",
},
{
name: "less than minimum width",
args: args{
max: 4,
s: "short",
},
want: "shor",
},
{
name: "less than minimum width with new line",
args: args{
max: 4,
s: "short\n",
},
want: "shor",
},
{
name: "first line of multiple is short enough",
args: args{
max: 80,
s: "short\n\nthis is a new line",
},
want: "short...",
},
{
name: "using Windows line endings",
args: args{
max: 80,
s: "short\r\n\r\nthis is a new line",
},
want: "short...",
},
{
name: "using older MacOS line endings",
args: args{
max: 80,
s: "short\r\rthis is a new line",
},
want: "short...",
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
if got := TruncateColumn(tt.args.max, tt.args.s); got != tt.want {
t.Errorf("TruncateColumn() = %q, want %q", got, tt.want)
}
})
}
}
func TestDisplayWidth(t *testing.T) {
tests := []struct {
name string
text string
want int
}{
{
name: "check mark",
text: `✓`,
want: 1,
},
{
name: "bullet icon",
text: `•`,
want: 1,
},
{
name: "middle dot",
text: `·`,
want: 1,
},
{
name: "ellipsis",
text: `…`,
want: 1,
},
{
name: "right arrow",
text: `→`,
want: 1,
},
{
name: "smart double quotes",
text: `“”`,
want: 2,
},
{
name: "smart single quotes",
text: `‘’`,
want: 2,
},
{
name: "em dash",
text: `—`,
want: 1,
},
{
name: "en dash",
text: `–`,
want: 1,
},
{
name: "emoji",
text: `👍`,
want: 2,
},
{
name: "accent character",
text: `é́́`,
want: 1,
},
{
name: "color codes",
text: "\x1b[0;31mred\x1b[0m",
want: 3,
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
if got := DisplayWidth(tt.text); got != tt.want {
t.Errorf("DisplayWidth() = %v, want %v", got, tt.want)
}
})
}
}