/usr/share/gocode/src/github.com/mattn/go-colorable/colorable_test.go is in golang-github-mattn-go-colorable-dev 0.0.9-3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 | package colorable
import (
"bytes"
"os"
"runtime"
"testing"
)
// checkEncoding checks that colorable is output encoding agnostic as long as
// the encoding is a superset of ASCII. This implies that one byte not part of
// an ANSI sequence must give exactly one byte in output
func checkEncoding(t *testing.T, data []byte) {
// Send non-UTF8 data to colorable
b := bytes.NewBuffer(make([]byte, 0, 10))
if b.Len() != 0 {
t.FailNow()
}
// TODO move colorable wrapping outside the test
c := NewNonColorable(b)
c.Write(data)
if b.Len() != len(data) {
t.Fatalf("%d bytes expected, got %d", len(data), b.Len())
}
}
func TestEncoding(t *testing.T) {
checkEncoding(t, []byte{}) // Empty
checkEncoding(t, []byte(`abc`)) // "abc"
checkEncoding(t, []byte(`é`)) // "é" in UTF-8
checkEncoding(t, []byte{233}) // 'é' in Latin-1
}
func TestNonColorable(t *testing.T) {
var buf bytes.Buffer
want := "hello"
NewNonColorable(&buf).Write([]byte("\x1b[0m" + want + "\x1b[2J"))
got := buf.String()
if got != "hello" {
t.Fatalf("want %q but %q", want, got)
}
buf.Reset()
NewNonColorable(&buf).Write([]byte("\x1b["))
got = buf.String()
if got != "" {
t.Fatalf("want %q but %q", "", got)
}
}
func TestNonColorableNil(t *testing.T) {
paniced := false
func() {
defer func() {
recover()
paniced = true
}()
NewNonColorable(nil)
NewColorable(nil)
}()
if !paniced {
t.Fatalf("should panic")
}
}
func TestColorable(t *testing.T) {
if runtime.GOOS == "windows" {
t.Skipf("skip this test on windows")
}
_, ok := NewColorableStdout().(*os.File)
if !ok {
t.Fatalf("should os.Stdout on UNIX")
}
_, ok = NewColorableStderr().(*os.File)
if !ok {
t.Fatalf("should os.Stdout on UNIX")
}
_, ok = NewColorable(os.Stdout).(*os.File)
if !ok {
t.Fatalf("should os.Stdout on UNIX")
}
}
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