snowflake/snowflake_test.go
2019-04-12 17:07:23 -05:00

463 lines
8.6 KiB
Go

package snowflake
import (
"bytes"
"reflect"
"testing"
)
//******************************************************************************
// General Test funcs
// lazy check if Generate will create duplicate IDs
// would be good to later enhance this with more smarts
func TestGenerateDuplicateID(t *testing.T) {
node, _ := NewNode(1)
var x, y ID
for i := 0; i < 1000000; i++ {
y = node.Generate()
if x == y {
t.Errorf("x(%d) & y(%d) are the same", x, y)
}
x = y
}
}
// I feel like there's probably a better way
func TestRace(t *testing.T) {
node, _ := NewNode(1)
go func() {
for i := 0; i < 1000000000; i++ {
NewNode(1)
}
}()
for i := 0; i < 4000; i++ {
node.Generate()
}
}
//******************************************************************************
// Converters/Parsers Test funcs
// We should have funcs here to test conversion both ways for everything
func TestPrintAll(t *testing.T) {
node, err := NewNode(0)
if err != nil {
t.Fatalf("error creating NewNode, %s", err)
}
id := node.Generate()
t.Logf("Int64 : %#v", id.Int64())
t.Logf("String : %#v", id.String())
t.Logf("Base2 : %#v", id.Base2())
t.Logf("Base32 : %#v", id.Base32())
t.Logf("Base36 : %#v", id.Base36())
t.Logf("Base58 : %#v", id.Base58())
t.Logf("Base64 : %#v", id.Base64())
t.Logf("Bytes : %#v", id.Bytes())
t.Logf("IntBytes : %#v", id.IntBytes())
}
func TestInt64(t *testing.T) {
node, err := NewNode(0)
if err != nil {
t.Fatalf("error creating NewNode, %s", err)
}
oID := node.Generate()
i := oID.Int64()
pID := ParseInt64(i)
if pID != oID {
t.Fatalf("pID %v != oID %v", pID, oID)
}
mi := int64(1116766490855473152)
pID = ParseInt64(mi)
if pID.Int64() != mi {
t.Fatalf("pID %v != mi %v", pID.Int64(), mi)
}
}
func TestString(t *testing.T) {
node, err := NewNode(0)
if err != nil {
t.Fatalf("error creating NewNode, %s", err)
}
oID := node.Generate()
si := oID.String()
pID, err := ParseString(si)
if err != nil {
t.Fatalf("error parsing, %s", err)
}
if pID != oID {
t.Fatalf("pID %v != oID %v", pID, oID)
}
ms := `1116766490855473152`
_, err = ParseString(ms)
if err != nil {
t.Fatalf("error parsing, %s", err)
}
ms = `1112316766490855473152`
_, err = ParseString(ms)
if err == nil {
t.Fatalf("no error parsing %s", ms)
}
}
func TestBase2(t *testing.T) {
node, err := NewNode(0)
if err != nil {
t.Fatalf("error creating NewNode, %s", err)
}
oID := node.Generate()
i := oID.Base2()
pID, err := ParseBase2(i)
if err != nil {
t.Fatalf("error parsing, %s", err)
}
if pID != oID {
t.Fatalf("pID %v != oID %v", pID, oID)
}
ms := `111101111111101110110101100101001000000000000000000000000000`
_, err = ParseBase2(ms)
if err != nil {
t.Fatalf("error parsing, %s", err)
}
ms = `1112316766490855473152`
_, err = ParseBase2(ms)
if err == nil {
t.Fatalf("no error parsing %s", ms)
}
}
func TestBase32(t *testing.T) {
node, err := NewNode(0)
if err != nil {
t.Fatalf("error creating NewNode, %s", err)
}
for i := 0; i < 100; i++ {
sf := node.Generate()
b32i := sf.Base32()
psf, err := ParseBase32([]byte(b32i))
if err != nil {
t.Fatal(err)
}
if sf != psf {
t.Fatal("Parsed does not match String.")
}
}
}
func TestBase36(t *testing.T) {
node, err := NewNode(0)
if err != nil {
t.Fatalf("error creating NewNode, %s", err)
}
oID := node.Generate()
i := oID.Base36()
pID, err := ParseBase36(i)
if err != nil {
t.Fatalf("error parsing, %s", err)
}
if pID != oID {
t.Fatalf("pID %v != oID %v", pID, oID)
}
ms := `8hgmw4blvlkw`
_, err = ParseBase36(ms)
if err != nil {
t.Fatalf("error parsing, %s", err)
}
ms = `68h5gmw443blv2lk1w`
_, err = ParseBase36(ms)
if err == nil {
t.Fatalf("no error parsing, %s", err)
}
}
func TestBase58(t *testing.T) {
node, err := NewNode(0)
if err != nil {
t.Fatalf("error creating NewNode, %s", err)
}
for i := 0; i < 10; i++ {
sf := node.Generate()
b58 := sf.Base58()
psf, err := ParseBase58([]byte(b58))
if err != nil {
t.Fatal(err)
}
if sf != psf {
t.Fatal("Parsed does not match String.")
}
}
}
func TestBase64(t *testing.T) {
node, err := NewNode(0)
if err != nil {
t.Fatalf("error creating NewNode, %s", err)
}
oID := node.Generate()
i := oID.Base64()
pID, err := ParseBase64(i)
if err != nil {
t.Fatalf("error parsing, %s", err)
}
if pID != oID {
t.Fatalf("pID %v != oID %v", pID, oID)
}
ms := `MTExNjgxOTQ5NDY2MDk5NzEyMA==`
_, err = ParseBase64(ms)
if err != nil {
t.Fatalf("error parsing, %s", err)
}
ms = `MTExNjgxOTQ5NDY2MDk5NzEyMA`
_, err = ParseBase64(ms)
if err == nil {
t.Fatalf("no error parsing, %s", err)
}
}
func TestBytes(t *testing.T) {
node, err := NewNode(0)
if err != nil {
t.Fatalf("error creating NewNode, %s", err)
}
oID := node.Generate()
i := oID.Bytes()
pID, err := ParseBytes(i)
if err != nil {
t.Fatalf("error parsing, %s", err)
}
if pID != oID {
t.Fatalf("pID %v != oID %v", pID, oID)
}
ms := []byte{0x31, 0x31, 0x31, 0x36, 0x38, 0x32, 0x31, 0x36, 0x37, 0x39, 0x35, 0x37, 0x30, 0x34, 0x31, 0x39, 0x37, 0x31, 0x32}
_, err = ParseBytes(ms)
if err != nil {
t.Fatalf("error parsing, %#v", err)
}
ms = []byte{0xFF, 0xFF, 0xFF, 0x31, 0x31, 0x31, 0x36, 0x38, 0x32, 0x31, 0x36, 0x37, 0x39, 0x35, 0x37, 0x30, 0x34, 0x31, 0x39, 0x37, 0x31, 0x32}
_, err = ParseBytes(ms)
if err == nil {
t.Fatalf("no error parsing, %#v", err)
}
}
func TestIntBytes(t *testing.T) {
node, err := NewNode(0)
if err != nil {
t.Fatalf("error creating NewNode, %s", err)
}
oID := node.Generate()
i := oID.IntBytes()
pID := ParseIntBytes(i)
if pID != oID {
t.Fatalf("pID %v != oID %v", pID, oID)
}
ms := [8]uint8{0xf, 0x7f, 0xc0, 0xfc, 0x2f, 0x80, 0x0, 0x0}
mi := int64(1116823421972381696)
pID = ParseIntBytes(ms)
if pID.Int64() != mi {
t.Fatalf("pID %v != mi %v", pID.Int64(), mi)
}
}
//******************************************************************************
// Marshall Test Methods
func TestMarshalJSON(t *testing.T) {
id := ID(13587)
expected := "\"13587\""
bytes, err := id.MarshalJSON()
if err != nil {
t.Fatalf("Unexpected error during MarshalJSON")
}
if string(bytes) != expected {
t.Fatalf("Got %s, expected %s", string(bytes), expected)
}
}
func TestMarshalsIntBytes(t *testing.T) {
id := ID(13587).IntBytes()
expected := []byte{0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x35, 0x13}
if !bytes.Equal(id[:], expected) {
t.Fatalf("Expected ID to be encoded as %v, got %v", expected, id)
}
}
func TestUnmarshalJSON(t *testing.T) {
tt := []struct {
json string
expectedID ID
expectedErr error
}{
{`"13587"`, 13587, nil},
{`1`, 0, JSONSyntaxError{[]byte(`1`)}},
{`"invalid`, 0, JSONSyntaxError{[]byte(`"invalid`)}},
}
for _, tc := range tt {
var id ID
err := id.UnmarshalJSON([]byte(tc.json))
if !reflect.DeepEqual(err, tc.expectedErr) {
t.Fatalf("Expected to get error '%s' decoding JSON, but got '%s'", tc.expectedErr, err)
}
if id != tc.expectedID {
t.Fatalf("Expected to get ID '%s' decoding JSON, but got '%s'", tc.expectedID, id)
}
}
}
// ****************************************************************************
// Benchmark Methods
func BenchmarkParseBase32(b *testing.B) {
node, _ := NewNode(1)
sf := node.Generate()
b32i := sf.Base32()
b.ReportAllocs()
b.ResetTimer()
for n := 0; n < b.N; n++ {
ParseBase32([]byte(b32i))
}
}
func BenchmarkBase32(b *testing.B) {
node, _ := NewNode(1)
sf := node.Generate()
b.ReportAllocs()
b.ResetTimer()
for n := 0; n < b.N; n++ {
sf.Base32()
}
}
func BenchmarkParseBase58(b *testing.B) {
node, _ := NewNode(1)
sf := node.Generate()
b58 := sf.Base58()
b.ReportAllocs()
b.ResetTimer()
for n := 0; n < b.N; n++ {
ParseBase58([]byte(b58))
}
}
func BenchmarkBase58(b *testing.B) {
node, _ := NewNode(1)
sf := node.Generate()
b.ReportAllocs()
b.ResetTimer()
for n := 0; n < b.N; n++ {
sf.Base58()
}
}
func BenchmarkGenerate(b *testing.B) {
node, _ := NewNode(1)
b.ReportAllocs()
b.ResetTimer()
for n := 0; n < b.N; n++ {
_ = node.Generate()
}
}
func BenchmarkGenerateMaxSequence(b *testing.B) {
NodeBits = 1
StepBits = 21
node, _ := NewNode(1)
b.ReportAllocs()
b.ResetTimer()
for n := 0; n < b.N; n++ {
_ = node.Generate()
}
}
func BenchmarkUnmarshal(b *testing.B) {
// Generate the ID to unmarshal
node, _ := NewNode(1)
id := node.Generate()
bytes, _ := id.MarshalJSON()
var id2 ID
b.ReportAllocs()
b.ResetTimer()
for n := 0; n < b.N; n++ {
_ = id2.UnmarshalJSON(bytes)
}
}
func BenchmarkMarshal(b *testing.B) {
// Generate the ID to marshal
node, _ := NewNode(1)
id := node.Generate()
b.ReportAllocs()
b.ResetTimer()
for n := 0; n < b.N; n++ {
_, _ = id.MarshalJSON()
}
}