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package strfmt
import (
"bytes"
"database/sql/driver"
"encoding/gob"
"fmt"
"sync"
"testing"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
"go.mongodb.org/mongo-driver/bson"
)
const testUlid = string("01EYXZVGBHG26MFTG4JWR4K558")
const testUlidAlt = string("01EYXZW663G7PYHVSQ8WTMDA67")
var testUlidOverrideMtx sync.Mutex
var testUlidOverrideValMtx sync.Mutex
func TestFormatULID_Text(t *testing.T) {
t.Parallel()
t.Run("positive", func(t *testing.T) {
t.Parallel()
ulid, err := ParseULID(testUlid)
require.NoError(t, err)
res, err := ulid.MarshalText()
require.NoError(t, err)
assert.Equal(t, testUlid, string(res))
ulid2, _ := ParseULID(testUlidAlt)
require.NoError(t, err)
what := []byte(testUlid)
err = ulid2.UnmarshalText(what)
require.NoError(t, err)
assert.Equal(t, testUlid, ulid2.String())
})
t.Run("negative", func(t *testing.T) {
t.Parallel()
ulid, err := ParseULID(testUlid)
require.NoError(t, err)
what := []byte("00000000-0000-0000-0000-000000000000")
err = ulid.UnmarshalText(what)
require.Error(t, err)
})
}
func TestFormatULID_BSON(t *testing.T) {
t.Parallel()
t.Run("positive", func(t *testing.T) {
t.Parallel()
ulid, _ := ParseULID(testUlid)
bsonData, err := bson.Marshal(&ulid)
require.NoError(t, err)
var ulidUnmarshaled ULID
err = bson.Unmarshal(bsonData, &ulidUnmarshaled)
require.NoError(t, err)
assert.Equal(t, ulid, ulidUnmarshaled)
// Check value marshaling explicitly
m := bson.M{"data": ulid}
bsonData, err = bson.Marshal(&m)
require.NoError(t, err)
var mUnmarshaled bson.M
err = bson.Unmarshal(bsonData, &mUnmarshaled)
require.NoError(t, err)
data, ok := m["data"].(ULID)
assert.True(t, ok)
assert.Equal(t, ulid, data)
})
t.Run("negative", func(t *testing.T) {
t.Parallel()
uuid := UUID("00000000-0000-0000-0000-000000000000")
bsonData, err := bson.Marshal(&uuid)
require.NoError(t, err)
var ulidUnmarshaled ULID
err = bson.Unmarshal(bsonData, &ulidUnmarshaled)
require.Error(t, err)
})
}
func TestFormatULID_JSON(t *testing.T) {
t.Parallel()
t.Run("positive", func(t *testing.T) {
t.Parallel()
ulid, err := ParseULID(testUlid)
require.NoError(t, err)
whatStr := fmt.Sprintf(`"%s"`, testUlidAlt)
what := []byte(whatStr)
err = ulid.UnmarshalJSON(what)
require.NoError(t, err)
assert.Equal(t, testUlidAlt, ulid.String())
data, err := ulid.MarshalJSON()
require.NoError(t, err)
assert.Equal(t, whatStr, string(data))
})
t.Run("null", func(t *testing.T) {
t.Parallel()
ulid, err := ParseULID(testUlid)
require.NoError(t, err)
err = ulid.UnmarshalJSON([]byte("null"))
require.NoError(t, err)
})
t.Run("negative", func(t *testing.T) {
t.Parallel()
// Check UnmarshalJSON failure with no lexed items
ulid := NewULIDZero()
err := ulid.UnmarshalJSON([]byte("zorg emperor"))
require.Error(t, err)
// Check lexer failure
err = ulid.UnmarshalJSON([]byte(`"zorg emperor"`))
require.Error(t, err)
})
}
func TestFormatULID_Scan(t *testing.T) {
t.Parallel()
t.Run("db.Scan", func(t *testing.T) {
t.Parallel()
testUlidOverrideMtx.Lock()
defer testUlidOverrideMtx.Unlock()
srcUlid := testUlidAlt
ulid, err := ParseULID(testUlid)
require.NoError(t, err)
err = ulid.Scan(srcUlid)
require.NoError(t, err)
assert.Equal(t, srcUlid, ulid.String())
ulid, _ = ParseULID(testUlid)
err = ulid.Scan([]byte(srcUlid))
require.NoError(t, err)
assert.Equal(t, srcUlid, ulid.String())
})
t.Run("db.Scan_Failed", func(t *testing.T) {
t.Parallel()
testUlidOverrideMtx.Lock()
defer testUlidOverrideMtx.Unlock()
ulid, err := ParseULID(testUlid)
zero := NewULIDZero()
require.NoError(t, err)
err = ulid.Scan(nil)
require.NoError(t, err)
assert.Equal(t, zero, ulid)
err = ulid.Scan("")
require.NoError(t, err)
assert.Equal(t, zero, ulid)
err = ulid.Scan(int64(0))
require.Error(t, err)
err = ulid.Scan(float64(0))
require.Error(t, err)
})
t.Run("db.Value", func(t *testing.T) {
t.Parallel()
testUlidOverrideValMtx.Lock()
defer testUlidOverrideValMtx.Unlock()
ulid, err := ParseULID(testUlid)
require.NoError(t, err)
val, err := ulid.Value()
require.NoError(t, err)
assert.EqualValues(t, testUlid, val)
})
t.Run("override.Scan", func(t *testing.T) {
t.Parallel()
testUlidOverrideMtx.Lock()
defer testUlidOverrideMtx.Unlock()
ulid, err := ParseULID(testUlid)
require.NoError(t, err)
ulid2, err := ParseULID(testUlidAlt)
require.NoError(t, err)
ULIDScanOverrideFunc = func(raw interface{}) (ULID, error) {
u := NewULIDZero()
switch x := raw.(type) {
case [16]byte:
return u, u.ULID.UnmarshalBinary(x[:])
case int: // just for linter
return u, fmt.Errorf("cannot sql.Scan() strfmt.ULID from: %#v", raw)
}
return u, fmt.Errorf("cannot sql.Scan() strfmt.ULID from: %#v", raw)
}
// get underlying binary implementation which is actually [16]byte
bytes := [16]byte(ulid.ULID)
err = ulid2.Scan(bytes)
require.NoError(t, err)
assert.Equal(t, ulid2, ulid)
assert.Equal(t, ulid2.String(), ulid.String())
// check other default cases became unreachable
err = ulid2.Scan(testUlid)
require.Error(t, err)
// return default Scan method
ULIDScanOverrideFunc = ULIDScanDefaultFunc
err = ulid2.Scan(testUlid)
require.NoError(t, err)
assert.Equal(t, testUlid, ulid2.String())
})
t.Run("override.Value", func(t *testing.T) {
t.Parallel()
testUlidOverrideValMtx.Lock()
defer testUlidOverrideValMtx.Unlock()
ulid, err := ParseULID(testUlid)
require.NoError(t, err)
ulid2, err := ParseULID(testUlid)
require.NoError(t, err)
ULIDValueOverrideFunc = func(u ULID) (driver.Value, error) {
bytes := [16]byte(u.ULID)
return driver.Value(bytes), nil
}
exp := [16]byte(ulid2.ULID)
val, err := ulid.Value()
require.NoError(t, err)
assert.EqualValues(t, exp, val)
// return default Value method
ULIDValueOverrideFunc = ULIDValueDefaultFunc
val, err = ulid.Value()
require.NoError(t, err)
assert.EqualValues(t, testUlid, val)
})
}
func TestFormatULID_DeepCopy(t *testing.T) {
ulid, err := ParseULID(testUlid)
require.NoError(t, err)
in := &ulid
out := new(ULID)
in.DeepCopyInto(out)
assert.Equal(t, in, out)
out2 := in.DeepCopy()
assert.Equal(t, in, out2)
var inNil *ULID
out3 := inNil.DeepCopy()
assert.Nil(t, out3)
}
func TestFormatULID_GobEncoding(t *testing.T) {
ulid, err := ParseULID(testUlid)
require.NoError(t, err)
b := bytes.Buffer{}
enc := gob.NewEncoder(&b)
err = enc.Encode(ulid)
require.NoError(t, err)
assert.NotEmpty(t, b.Bytes())
var result ULID
dec := gob.NewDecoder(&b)
err = dec.Decode(&result)
require.NoError(t, err)
assert.Equal(t, ulid, result)
assert.Equal(t, ulid.String(), result.String())
}
func TestFormatULID_NewULID_and_Equal(t *testing.T) {
t.Parallel()
ulid1, err := NewULID()
require.NoError(t, err)
ulid2, err := NewULID()
require.NoError(t, err)
//nolint:gocritic
assert.True(t, ulid1.Equal(ulid1), "ULID instances should be equal")
assert.False(t, ulid1.Equal(ulid2), "ULID instances should not be equal")
ulidZero := NewULIDZero()
ulidZero2 := NewULIDZero()
assert.True(t, ulidZero.Equal(ulidZero2), "ULID instances should be equal")
}
func TestIsULID(t *testing.T) {
t.Parallel()
tcases := []struct {
ulid string
expect bool
}{
{ulid: "01EYXZVGBHG26MFTG4JWR4K558", expect: true},
{ulid: "01EYXZW663G7PYHVSQ8WTMDA67", expect: true},
{ulid: "7ZZZZZZZZZ0000000000000000", expect: true},
{ulid: "00000000000000000000000000", expect: true},
{ulid: "7ZZZZZZZZZZZZZZZZZZZZZZZZZ", expect: true},
{ulid: "not-a-ulid", expect: false},
{ulid: "8000000000FJ2MMFJ3ATV3XB2C", expect: false},
{ulid: "81EYY0NEYJZZZZZZZZZZZZZZZZ", expect: false},
{ulid: "7ZZZZZZZZZ000000000000000U", expect: false},
{ulid: "7ZZZZZZZZZ000000000000000L", expect: false},
{ulid: "7ZZZZZZZZZ000000000000000O", expect: false},
{ulid: "7ZZZZZZZZZ000000000000000I", expect: false},
}
for _, tcase := range tcases {
tc := tcase
t.Run(fmt.Sprintf("%s:%t", tc.ulid, tc.expect), func(t *testing.T) {
t.Parallel()
if tc.expect {
assert.True(t, IsULID(tc.ulid))
} else {
assert.False(t, IsULID(tc.ulid))
}
})
}
}