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package fingerprint
import (
"crypto"
"errors"
"hash"
"testing"
)
type failHash struct{}
func (h failHash) Write(b []byte) (int, error) {
return 0, errors.New("failed to write")
}
func (h failHash) Sum(b []byte) []byte { return nil }
func (h failHash) Reset() {}
func (h failHash) Size() int { return 32 }
func (h failHash) BlockSize() int { return 32 }
func TestNew(t *testing.T) {
data := []byte(`Lorem ipsum dolor sit amet`)
// This overwrites MD4 with failHash
crypto.RegisterHash(1, func() hash.Hash {
return failHash{}
})
type args struct {
data []byte
h crypto.Hash
encoding Encoding
}
tests := []struct {
name string
args args
want string
wantErr bool
}{
{"sha256", args{data, crypto.SHA256, HexFingerprint}, "16aba5393ad72c0041f5600ad3c2c52ec437a2f0c7fc08fadfc3c0fe9641d7a3", false},
{"unavailable", args{data, crypto.Hash(1000), HexFingerprint}, "", true},
{"fail encoding", args{data, crypto.SHA256, Encoding(1000)}, "", true},
{"fail write", args{data, crypto.Hash(1), HexFingerprint}, "", true},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
got, err := New(tt.args.data, tt.args.h, tt.args.encoding)
if (err != nil) != tt.wantErr {
t.Errorf("New() error = %v, wantErr %v", err, tt.wantErr)
return
}
if got != tt.want {
t.Errorf("New() = %v, want %v", got, tt.want)
}
})
}
}
func TestFingerprint(t *testing.T) {
digest := []byte{
0x38, 0x01, 0x16, 0x21, 0xec, 0xdc, 0xc2, 0x17,
0x2e, 0x93, 0x3a, 0x1e, 0xf2, 0x31, 0x7e, 0xfc,
0x53, 0x5a, 0x16, 0x1c, 0x00, 0x33, 0x3a, 0xee,
0x3f, 0x84, 0xab, 0xfa, 0xb4, 0xe6, 0x40, 0xbf,
}
type args struct {
digest []byte
encoding Encoding
}
tests := []struct {
name string
args args
want string
}{
{"HexFingerprint", args{digest, HexFingerprint}, "38011621ecdcc2172e933a1ef2317efc535a161c00333aee3f84abfab4e640bf"},
{"Base64Fingerprint", args{digest, Base64Fingerprint}, "OAEWIezcwhcukzoe8jF+/FNaFhwAMzruP4Sr+rTmQL8="},
{"Base64URLFingerprint", args{digest, Base64URLFingerprint}, "OAEWIezcwhcukzoe8jF-_FNaFhwAMzruP4Sr-rTmQL8="},
{"Base64RawFingerprint", args{digest, Base64RawFingerprint}, "OAEWIezcwhcukzoe8jF+/FNaFhwAMzruP4Sr+rTmQL8"},
{"Base64RawURLFingerprint", args{digest, Base64RawURLFingerprint}, "OAEWIezcwhcukzoe8jF-_FNaFhwAMzruP4Sr-rTmQL8"},
{"EmojiFingerprint", args{digest, EmojiFingerprint}, "💨🎱🌼📆🎠🎉🎿🚙🍪🌊♦️💡✌️🐮🔒❌🖕😬🌼👦👍👑♦️🇬🇧👂🔬📌♿🚀🚜🍆🐑"},
{"Unknown", args{digest, 0}, ""},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
if got := Fingerprint(tt.args.digest, tt.args.encoding); got != tt.want {
t.Errorf("Fingerprint() = %v, want %v", got, tt.want)
}
})
}
}
|
