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package termstatus
import (
"bytes"
"context"
"fmt"
"io"
"strconv"
"testing"
rtest "github.com/restic/restic/internal/test"
)
func TestSetStatus(t *testing.T) {
var buf bytes.Buffer
term := New(&buf, io.Discard, false)
term.canUpdateStatus = true
term.fd = ^uintptr(0)
term.clearCurrentLine = posixClearCurrentLine
term.moveCursorUp = posixMoveCursorUp
ctx, cancel := context.WithCancel(context.Background())
go term.Run(ctx)
const (
clear = posixControlClearLine
home = posixControlMoveCursorHome
up = posixControlMoveCursorUp
)
term.SetStatus([]string{"first"})
exp := home + clear + "first" + home
term.SetStatus([]string{"foo", "bar", "baz"})
exp += home + clear + "foo\n" + home + clear + "bar\n" +
home + clear + "baz" + home + up + up
term.SetStatus([]string{"quux", "needs\nquote"})
exp += home + clear + "quux\n" +
home + clear + "\"needs\\nquote\"\n" +
home + clear + home + up + up // Third line implicit.
cancel()
exp += home + clear + "\n" + home + clear + "\n" +
home + up + up // Status cleared.
<-term.closed
rtest.Equals(t, exp, buf.String())
}
func TestQuote(t *testing.T) {
for _, c := range []struct {
in string
needQuote bool
}{
{"foo.bar/baz", false},
{"föó_bàŕ-bãẑ", false},
{" foo ", false},
{"foo bar", false},
{"foo\nbar", true},
{"foo\rbar", true},
{"foo\abar", true},
{"\xff", true},
{`c:\foo\bar`, false},
// Issue #2260: terminal control characters.
{"\x1bm_red_is_beautiful", true},
} {
if c.needQuote {
rtest.Equals(t, strconv.Quote(c.in), Quote(c.in))
} else {
rtest.Equals(t, c.in, Quote(c.in))
}
}
}
func TestTruncate(t *testing.T) {
var tests = []struct {
input string
width int
output string
}{
{"", 80, ""},
{"", 0, ""},
{"", -1, ""},
{"foo", 80, "foo"},
{"foo", 4, "foo"},
{"foo", 3, "foo"},
{"foo", 2, "fo"},
{"foo", 1, "f"},
{"foo", 0, ""},
{"foo", -1, ""},
{"Löwen", 4, "Löwe"},
{"あああああ/data", 7, "あああ"},
{"あああああ/data", 10, "あああああ"},
{"あああああ/data", 11, "あああああ/"},
}
for _, test := range tests {
t.Run("", func(t *testing.T) {
out := Truncate(test.input, test.width)
if out != test.output {
t.Fatalf("wrong output for input %v, width %d: want %q, got %q",
test.input, test.width, test.output, out)
}
})
}
}
func benchmarkTruncate(b *testing.B, s string, w int) {
for i := 0; i < b.N; i++ {
Truncate(s, w)
}
}
func BenchmarkTruncateASCII(b *testing.B) {
s := "This is an ASCII-only status message...\r\n"
benchmarkTruncate(b, s, len(s)-1)
}
func BenchmarkTruncateUnicode(b *testing.B) {
s := "Hello World or Καλημέρα κόσμε or こんにちは 世界"
w := 0
for i := 0; i < len(s); {
w++
wide, utfsize := wideRune(s[i:])
if wide {
w++
}
i += int(utfsize)
}
b.ResetTimer()
benchmarkTruncate(b, s, w-1)
}
func TestSanitizeLines(t *testing.T) {
var tests = []struct {
input []string
width int
output []string
}{
{[]string{""}, 80, []string{""}},
{[]string{"too long test line"}, 10, []string{"too long"}},
{[]string{"too long test line", "text"}, 10, []string{"too long\n", "text"}},
{[]string{"too long test line", "second long test line"}, 10, []string{"too long\n", "second l"}},
}
for _, test := range tests {
t.Run(fmt.Sprintf("%s %d", test.input, test.width), func(t *testing.T) {
out := sanitizeLines(test.input, test.width)
rtest.Equals(t, test.output, out)
})
}
}
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