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bytesconv_test.go
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bytesconv_test.go
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package fasthttp
import (
"bufio"
"bytes"
"fmt"
"net"
"testing"
"time"
"github.com/valyala/bytebufferpool"
)
func TestAppendHTMLEscape(t *testing.T) {
testAppendHTMLEscape(t, "", "")
testAppendHTMLEscape(t, "<", "<")
testAppendHTMLEscape(t, "a", "a")
testAppendHTMLEscape(t, `><"''`, "><"''")
testAppendHTMLEscape(t, "fo<b x='ss'>a</b>xxx", "fo<b x='ss'>a</b>xxx")
}
func testAppendHTMLEscape(t *testing.T, s, expectedS string) {
buf := AppendHTMLEscapeBytes(nil, []byte(s))
if string(buf) != expectedS {
t.Fatalf("unexpected html-escaped string %q. Expecting %q. Original string %q", buf, expectedS, s)
}
}
func TestParseIPv4(t *testing.T) {
testParseIPv4(t, "0.0.0.0", true)
testParseIPv4(t, "255.255.255.255", true)
testParseIPv4(t, "123.45.67.89", true)
// ipv6 shouldn't work
testParseIPv4(t, "2001:4860:0:2001::68", false)
// invalid ip
testParseIPv4(t, "foobar", false)
testParseIPv4(t, "1.2.3", false)
testParseIPv4(t, "123.456.789.11", false)
}
func testParseIPv4(t *testing.T, ipStr string, isValid bool) {
ip, err := ParseIPv4(nil, []byte(ipStr))
if isValid {
if err != nil {
t.Fatalf("unexpected error when parsing ip %q: %s", ipStr, err)
}
s := string(AppendIPv4(nil, ip))
if s != ipStr {
t.Fatalf("unexpected ip parsed %q. Expecting %q", s, ipStr)
}
} else {
if err == nil {
t.Fatalf("expecting error when parsing ip %q", ipStr)
}
}
}
func TestAppendIPv4(t *testing.T) {
testAppendIPv4(t, "0.0.0.0", true)
testAppendIPv4(t, "127.0.0.1", true)
testAppendIPv4(t, "8.8.8.8", true)
testAppendIPv4(t, "123.45.67.89", true)
// ipv6 shouldn't work
testAppendIPv4(t, "2001:4860:0:2001::68", false)
}
func testAppendIPv4(t *testing.T, ipStr string, isValid bool) {
ip := net.ParseIP(ipStr)
if ip == nil {
t.Fatalf("cannot parse ip %q", ipStr)
}
s := string(AppendIPv4(nil, ip))
if isValid {
if s != ipStr {
t.Fatalf("unepxected ip %q. Expecting %q", s, ipStr)
}
} else {
ipStr = "non-v4 ip passed to AppendIPv4"
if s != ipStr {
t.Fatalf("unexpected ip %q. Expecting %q", s, ipStr)
}
}
}
func testAppendUint(t *testing.T, n int) {
expectedS := fmt.Sprintf("%d", n)
s := AppendUint(nil, n)
if string(s) != expectedS {
t.Fatalf("unexpected uint %q. Expecting %q. n=%d", s, expectedS, n)
}
}
func testWriteHexInt(t *testing.T, n int, expectedS string) {
var w bytebufferpool.ByteBuffer
bw := bufio.NewWriter(&w)
if err := writeHexInt(bw, n); err != nil {
t.Fatalf("unexpected error when writing hex %x: %s", n, err)
}
if err := bw.Flush(); err != nil {
t.Fatalf("unexpected error when flushing hex %x: %s", n, err)
}
s := string(w.B)
if s != expectedS {
t.Fatalf("unexpected hex after writing %q. Expected %q", s, expectedS)
}
}
func TestReadHexIntError(t *testing.T) {
testReadHexIntError(t, "")
testReadHexIntError(t, "ZZZ")
testReadHexIntError(t, "-123")
testReadHexIntError(t, "+434")
}
func testReadHexIntError(t *testing.T, s string) {
r := bytes.NewBufferString(s)
br := bufio.NewReader(r)
n, err := readHexInt(br)
if err == nil {
t.Fatalf("expecting error when reading hex int %q", s)
}
if n >= 0 {
t.Fatalf("unexpected hex value read %d for hex int %q. must be negative", n, s)
}
}
func testReadHexIntSuccess(t *testing.T, s string, expectedN int) {
r := bytes.NewBufferString(s)
br := bufio.NewReader(r)
n, err := readHexInt(br)
if err != nil {
t.Fatalf("unexpected error: %s. s=%q", err, s)
}
if n != expectedN {
t.Fatalf("unexpected hex int %d. Expected %d. s=%q", n, expectedN, s)
}
}
func TestAppendHTTPDate(t *testing.T) {
d := time.Date(2009, time.November, 10, 23, 0, 0, 0, time.UTC)
s := string(AppendHTTPDate(nil, d))
expectedS := "Tue, 10 Nov 2009 23:00:00 GMT"
if s != expectedS {
t.Fatalf("unexpected date %q. Expecting %q", s, expectedS)
}
b := []byte("prefix")
s = string(AppendHTTPDate(b, d))
if s[:len(b)] != string(b) {
t.Fatalf("unexpected prefix %q. Expecting %q", s[:len(b)], b)
}
s = s[len(b):]
if s != expectedS {
t.Fatalf("unexpected date %q. Expecting %q", s, expectedS)
}
}
func TestParseUintError(t *testing.T) {
// empty string
testParseUintError(t, "")
// negative value
testParseUintError(t, "-123")
// non-num
testParseUintError(t, "foobar234")
// non-num chars at the end
testParseUintError(t, "123w")
// floating point num
testParseUintError(t, "1234.545")
// too big num
testParseUintError(t, "12345678901234567890")
testParseUintError(t, "1234567890123456789012")
}
func TestParseUfloatSuccess(t *testing.T) {
testParseUfloatSuccess(t, "0", 0)
testParseUfloatSuccess(t, "1.", 1.)
testParseUfloatSuccess(t, ".1", 0.1)
testParseUfloatSuccess(t, "123.456", 123.456)
testParseUfloatSuccess(t, "123", 123)
testParseUfloatSuccess(t, "1234e2", 1234e2)
testParseUfloatSuccess(t, "1234E-5", 1234E-5)
testParseUfloatSuccess(t, "1.234e+3", 1.234e+3)
}
func TestParseUfloatError(t *testing.T) {
// empty num
testParseUfloatError(t, "")
// negative num
testParseUfloatError(t, "-123.53")
// non-num chars
testParseUfloatError(t, "123sdfsd")
testParseUfloatError(t, "sdsf234")
testParseUfloatError(t, "sdfdf")
// non-num chars in exponent
testParseUfloatError(t, "123e3s")
testParseUfloatError(t, "12.3e-op")
testParseUfloatError(t, "123E+SS5")
// duplicate point
testParseUfloatError(t, "1.3.4")
// duplicate exponent
testParseUfloatError(t, "123e5e6")
// missing exponent
testParseUfloatError(t, "123534e")
}
func testParseUfloatError(t *testing.T, s string) {
n, err := ParseUfloat([]byte(s))
if err == nil {
t.Fatalf("Expecting error when parsing %q. obtained %f", s, n)
}
if n >= 0 {
t.Fatalf("Expecting negative num instead of %f when parsing %q", n, s)
}
}
func testParseUfloatSuccess(t *testing.T, s string, expectedF float64) {
f, err := ParseUfloat([]byte(s))
if err != nil {
t.Fatalf("Unexpected error when parsing %q: %s", s, err)
}
delta := f - expectedF
if delta < 0 {
delta = -delta
}
if delta > expectedF*1e-10 {
t.Fatalf("Unexpected value when parsing %q: %f. Expected %f", s, f, expectedF)
}
}
func testParseUintError(t *testing.T, s string) {
n, err := ParseUint([]byte(s))
if err == nil {
t.Fatalf("Expecting error when parsing %q. obtained %d", s, n)
}
if n >= 0 {
t.Fatalf("Unexpected n=%d when parsing %q. Expected negative num", n, s)
}
}
func testParseUintSuccess(t *testing.T, s string, expectedN int) {
n, err := ParseUint([]byte(s))
if err != nil {
t.Fatalf("Unexpected error when parsing %q: %s", s, err)
}
if n != expectedN {
t.Fatalf("Unexpected value %d. Expected %d. num=%q", n, expectedN, s)
}
}
func TestAppendUnquotedArg(t *testing.T) {
testAppendUnquotedArg(t, "", "")
testAppendUnquotedArg(t, "abc", "abc")
testAppendUnquotedArg(t, "тест.abc", "тест.abc")
testAppendUnquotedArg(t, "%D1%82%D0%B5%D1%81%D1%82%20%=&;:", "тест %=&;:")
}
func testAppendUnquotedArg(t *testing.T, s, expectedS string) {
// test appending to nil
result := AppendUnquotedArg(nil, []byte(s))
if string(result) != expectedS {
t.Fatalf("Unexpected AppendUnquotedArg(%q)=%q, want %q", s, result, expectedS)
}
// test appending to prefix
prefix := "prefix"
dst := []byte(prefix)
dst = AppendUnquotedArg(dst, []byte(s))
if !bytes.HasPrefix(dst, []byte(prefix)) {
t.Fatalf("Unexpected prefix for AppendUnquotedArg(%q)=%q, want %q", s, dst, prefix)
}
result = dst[len(prefix):]
if string(result) != expectedS {
t.Fatalf("Unexpected AppendUnquotedArg(%q)=%q, want %q", s, result, expectedS)
}
// test in-place appending
result = []byte(s)
result = AppendUnquotedArg(result[:0], result)
if string(result) != expectedS {
t.Fatalf("Unexpected AppendUnquotedArg(%q)=%q, want %q", s, result, expectedS)
}
// verify AppendQuotedArg <-> AppendUnquotedArg conversion
quotedS := AppendQuotedArg(nil, []byte(s))
unquotedS := AppendUnquotedArg(nil, quotedS)
if s != string(unquotedS) {
t.Fatalf("Unexpected AppendUnquotedArg(AppendQuotedArg(%q))=%q, want %q", s, unquotedS, s)
}
}