github.com/kaleido-io/firefly@v0.0.0-20210622132723-8b4b6aacb971/pkg/fftypes/uuid_test.go (about)

     1  // Copyright © 2021 Kaleido, Inc.
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //     http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, souware
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  
    15  package fftypes
    16  
    17  import (
    18  	"context"
    19  	"testing"
    20  
    21  	"github.com/stretchr/testify/assert"
    22  )
    23  
    24  func TestNewUUID(t *testing.T) {
    25  	assert.NotNil(t, NewUUID())
    26  }
    27  
    28  func TestDatabaseSerialization(t *testing.T) {
    29  
    30  	var u *UUID
    31  	v, err := u.Value() // nill
    32  	assert.NoError(t, err)
    33  	assert.Nil(t, v)
    34  	assert.Equal(t, "", u.String())
    35  
    36  	u, err = ParseUUID(context.Background(), "!not an id")
    37  	assert.Regexp(t, "FF10142", err)
    38  	u, err = ParseUUID(context.Background(), "03D31DFB-9DBB-43F2-9E0B-84DD3D293499")
    39  	assert.NoError(t, err)
    40  	v, err = u.Value()
    41  	assert.NoError(t, err)
    42  	assert.Equal(t, "03d31dfb-9dbb-43f2-9e0b-84dd3d293499", v)
    43  
    44  	err = u.Scan("8A57D469-D123-4CD1-81B2-6371AFB87C21")
    45  	assert.NoError(t, err)
    46  	assert.Equal(t, "8a57d469-d123-4cd1-81b2-6371afb87c21", u.String())
    47  
    48  }
    49  
    50  func TestBinaryMarshaling(t *testing.T) {
    51  
    52  	u := MustParseUUID("03D31DFB-9DBB-43F2-9E0B-84DD3D293499")
    53  	b, err := u.MarshalBinary()
    54  	assert.NoError(t, err)
    55  	assert.Equal(t, u[:], b)
    56  
    57  	var u2 UUID
    58  	err = u2.UnmarshalBinary(u[:])
    59  	assert.NoError(t, err)
    60  	assert.Equal(t, "03d31dfb-9dbb-43f2-9e0b-84dd3d293499", u2.String())
    61  
    62  }
    63  
    64  func TestSafeEquals(t *testing.T) {
    65  
    66  	var u1, u2 *UUID
    67  	assert.True(t, u1.Equals(u2))
    68  	u1 = NewUUID()
    69  	assert.False(t, u1.Equals(u2))
    70  	u2 = MustParseUUID(u1.String())
    71  	assert.True(t, u1.Equals(u2))
    72  	u2 = NewUUID()
    73  	assert.False(t, u1.Equals(u2))
    74  
    75  }