github.com/m3db/m3@v1.5.0/src/dbnode/namespace/map_test.go (about)

     1  // Copyright (c) 2017 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 namespace
    22  
    23  import (
    24  	"testing"
    25  
    26  	"github.com/m3db/m3/src/x/ident"
    27  
    28  	"github.com/golang/mock/gomock"
    29  	"github.com/stretchr/testify/require"
    30  )
    31  
    32  func TestMapEmpty(t *testing.T) {
    33  	_, err := NewMap(nil)
    34  	require.Error(t, err)
    35  }
    36  
    37  func TestMapSingleElement(t *testing.T) {
    38  	var (
    39  		opts = NewOptions()
    40  		id   = ident.StringID("someID")
    41  	)
    42  	md1, err := NewMetadata(id, opts)
    43  	require.NoError(t, err)
    44  	metadatas := []Metadata{md1}
    45  	nsMap, err := NewMap(metadatas)
    46  	require.NoError(t, err)
    47  	require.Equal(t, 1, len(nsMap.IDs()))
    48  	require.Equal(t, id.String(), nsMap.IDs()[0].String())
    49  	require.Equal(t, 1, len(nsMap.Metadatas()))
    50  	md := nsMap.Metadatas()[0]
    51  	require.Equal(t, id.String(), md.ID().String())
    52  	require.Equal(t, opts, md.Options())
    53  }
    54  
    55  func TestMapMultipleElements(t *testing.T) {
    56  	var (
    57  		opts1 = NewOptions()
    58  		opts2 = opts1.SetRepairEnabled(true)
    59  		id1   = ident.StringID("someID1")
    60  		id2   = ident.StringID("someID2")
    61  	)
    62  	md1, err := NewMetadata(id1, opts1)
    63  	require.NoError(t, err)
    64  	md2, err := NewMetadata(id2, opts2)
    65  	require.NoError(t, err)
    66  	metadatas := []Metadata{md1, md2}
    67  	nsMap, err := NewMap(metadatas)
    68  	require.NoError(t, err)
    69  
    70  	require.Equal(t, 2, len(nsMap.IDs()))
    71  	ids := nsMap.IDs()
    72  	require.True(t, ids[0].Equal(id1) || ids[1].Equal(id1))
    73  	require.True(t, ids[0].Equal(id2) || ids[1].Equal(id2))
    74  
    75  	require.Equal(t, 2, len(nsMap.Metadatas()))
    76  	mds := nsMap.Metadatas()
    77  	require.True(t, id1.Equal(mds[0].ID()) || id1.Equal(mds[1].ID()))
    78  	require.True(t, id2.Equal(mds[0].ID()) || id2.Equal(mds[1].ID()))
    79  }
    80  
    81  func testMap(t *testing.T) Map {
    82  	var (
    83  		opts1 = NewOptions()
    84  		opts2 = opts1.SetRepairEnabled(true)
    85  		id1   = ident.StringID("someID1")
    86  		id2   = ident.StringID("someID2")
    87  	)
    88  	md1, err := NewMetadata(id1, opts1)
    89  	require.NoError(t, err)
    90  	md2, err := NewMetadata(id2, opts2)
    91  	require.NoError(t, err)
    92  	metadatas := []Metadata{md1, md2}
    93  	reg, err := NewMap(metadatas)
    94  	require.NoError(t, err)
    95  	return reg
    96  }
    97  
    98  func TestMapEqualsTrue(t *testing.T) {
    99  	r1 := testMap(t)
   100  	require.True(t, r1.Equal(r1))
   101  
   102  	r2 := testMap(t)
   103  	require.True(t, r1.Equal(r2))
   104  	require.True(t, r2.Equal(r1))
   105  }
   106  
   107  func TestMapValidateDuplicateID(t *testing.T) {
   108  	ctrl := gomock.NewController(t)
   109  	defer ctrl.Finish()
   110  
   111  	var (
   112  		opts = NewMockOptions(ctrl)
   113  		id   = ident.StringID("someID")
   114  	)
   115  	opts.EXPECT().Validate().Return(nil).AnyTimes()
   116  
   117  	md1, err := NewMetadata(id, opts)
   118  	require.NoError(t, err)
   119  
   120  	md2, err := NewMetadata(id, opts)
   121  	require.NoError(t, err)
   122  
   123  	metadatas := []Metadata{md1, md2}
   124  	_, err = NewMap(metadatas)
   125  	require.Error(t, err)
   126  }