func TestDecodeBitsString(t *testing.T) {
for _, tc := range bitTests {
dec, err := zbase32.DecodeBitsString(tc.encoded, tc.bits)
if err != nil {
t.Errorf("DecodeBits %d bits from %q: error: %v", tc.bits, tc.encoded, err)
continue
}
if g, e := dec, tc.decoded; !bytes.Equal(g, e) {
t.Errorf("DecodeBits %d bits from %q, %x != %x", tc.bits, tc.encoded, g, e)
}
}
}
func TestQuickPythonDecodeBits(t *testing.T) {
if !*python {
t.Skip("Skipping, use -python to enable")
}
us := func(orig []byte, partial uint) ([]byte, error) {
bits := calcBits(orig, partial)
encoded := zbase32.EncodeBitsToString(orig, bits)
return zbase32.DecodeBitsString(encoded, bits)
}
them := func(orig []byte, partial uint) ([]byte, error) {
// the python library raises IndexError on zero-length input
if len(orig) == 0 {
return []byte{}, nil
}
bits := calcBits(orig, partial)
encoded := zbase32.EncodeBitsToString(orig, bits)
cmd := exec.Command("python", "-c", `
import sys, zbase32
enc = sys.stdin.read()
bits = int(sys.argv[1])
sys.stdout.write(zbase32.a2b_l(enc, bits))
`,
strconv.Itoa(bits),
)
cmd.Stdin = strings.NewReader(encoded)
cmd.Stderr = os.Stderr
output, err := cmd.Output()
if err != nil {
return nil, fmt.Errorf("cannot run python: %v", err)
}
return output, nil
}
if err := quick.CheckEqual(us, them, nil); err != nil {
t.Fatal(err)
}
}
func TestQuickRoundtripBits(t *testing.T) {
fn := func(orig []byte, partial uint) bool {
bits := calcBits(orig, partial)
encoded := zbase32.EncodeBitsToString(orig, bits)
decoded, err := zbase32.DecodeBitsString(encoded, bits)
if err != nil {
t.Logf("orig=\t%x", orig)
t.Logf("bits=\t%d", bits)
t.Logf("enc=\t%q", encoded)
t.Fatalf("encode-decode roundtrip gave error: %v", err)
}
if !bytes.Equal(orig, decoded) {
t.Logf("orig=\t%x", orig)
t.Logf("dec=\t%x", decoded)
t.Logf("bits=\t%d", bits)
t.Logf("enc=\t%q", encoded)
return false
}
return true
}
if err := quick.Check(fn, nil); err != nil {
t.Fatal(err)
}
}