github.com/m3db/m3@v1.5.1-0.20231129193456-75a402aa583b/src/m3ninx/util/uuid_test.go (about)

     1  // Copyright (c) 2018 Uber Technologies, Inc.
     2  //
     3  // Permission is hereby granted, free of charge, to any person obtaining a copy
     4  // of this software and associated documentation files (the "Software"), to deal
     5  // in the Software without restriction, including without limitation the rights
     6  // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
     7  // copies of the Software, and to permit persons to whom the Software is
     8  // furnished to do so, subject to the following conditions:
     9  //
    10  // The above copyright notice and this permission notice shall be included in
    11  // all copies or substantial portions of the Software.
    12  //
    13  // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
    14  // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
    15  // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
    16  // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
    17  // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
    18  // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
    19  // THE SOFTWARE.
    20  
    21  package util
    22  
    23  import (
    24  	"testing"
    25  
    26  	"github.com/stretchr/testify/require"
    27  )
    28  
    29  func TestNewUUID(t *testing.T) {
    30  	var (
    31  		numIters = 1000
    32  		uuids    = make(map[string]struct{}, numIters)
    33  	)
    34  	for i := 0; i < numIters; i++ {
    35  		uuid, err := NewUUID()
    36  		require.NoError(t, err)
    37  
    38  		_, ok := uuids[string(uuid)]
    39  		require.False(t, ok)
    40  
    41  		uuids[string(uuid)] = struct{}{}
    42  	}
    43  }
    44  
    45  func TestNewUUIDForbidden(t *testing.T) {
    46  	_, err := NewUUIDForbidden()
    47  	require.Error(t, err)
    48  }