package bencode import ( "bytes" "fmt" "math/big" "testing" "github.com/stretchr/testify/assert" ) type random_encode_test struct { value interface{} expected string } type random_struct struct { ABC int `bencode:"abc"` SkipThisOne string `bencode:"-"` CDE string } type dummy struct { a, b, c int } func (d *dummy) MarshalBencode() ([]byte, error) { var b bytes.Buffer _, err := fmt.Fprintf(&b, "i%dei%dei%de", d.a+1, d.b+1, d.c+1) if err != nil { return nil, err } return b.Bytes(), nil } var random_encode_tests = []random_encode_test{ {int(10), "i10e"}, {uint(10), "i10e"}, {"hello, world", "12:hello, world"}, {true, "i1e"}, {false, "i0e"}, {int8(-8), "i-8e"}, {int16(-16), "i-16e"}, {int32(32), "i32e"}, {int64(-64), "i-64e"}, {uint8(8), "i8e"}, {uint16(16), "i16e"}, {uint32(32), "i32e"}, {uint64(64), "i64e"}, {random_struct{123, "nono", "hello"}, "d3:CDE5:hello3:abci123ee"}, {map[string]string{"a": "b", "c": "d"}, "d1:a1:b1:c1:de"}, {[]byte{1, 2, 3, 4}, "4:\x01\x02\x03\x04"}, {[4]byte{1, 2, 3, 4}, "li1ei2ei3ei4ee"}, {nil, ""}, {[]byte{}, "0:"}, {[]byte(nil), "0:"}, {"", "0:"}, {[]int{}, "le"}, {map[string]int{}, "de"}, {&dummy{1, 2, 3}, "i2ei3ei4e"}, {struct { A *string }{nil}, "d1:A0:e"}, {struct { A *string }{new(string)}, "d1:A0:e"}, {struct { A *string `bencode:",omitempty"` }{nil}, "de"}, {struct { A *string `bencode:",omitempty"` }{new(string)}, "d1:A0:e"}, {bigIntFromString("62208002200000000000"), "i62208002200000000000e"}, {*bigIntFromString("62208002200000000000"), "i62208002200000000000e"}, } func bigIntFromString(s string) *big.Int { bi, ok := new(big.Int).SetString(s, 10) if !ok { panic(s) } return bi } func TestRandomEncode(t *testing.T) { for _, test := range random_encode_tests { data, err := Marshal(test.value) assert.NoError(t, err, "%s", test) assert.EqualValues(t, test.expected, string(data)) } }