github.com/m3db/m3@v1.5.0/src/m3ninx/search/query/util_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 query
    22  
    23  import (
    24  	"strings"
    25  	"testing"
    26  
    27  	"github.com/m3db/m3/src/m3ninx/search"
    28  
    29  	"github.com/golang/mock/gomock"
    30  	"github.com/stretchr/testify/require"
    31  )
    32  
    33  func TestJoin(t *testing.T) {
    34  	mockCtrl := gomock.NewController(t)
    35  	defer mockCtrl.Finish()
    36  
    37  	query := search.NewMockQuery(mockCtrl)
    38  	query.EXPECT().String().AnyTimes().Return("query")
    39  
    40  	tests := []struct {
    41  		name             string
    42  		input            []search.Query
    43  		expected         string
    44  		expectedNegation string
    45  	}{
    46  		{
    47  			name:             "0 queries",
    48  			input:            nil,
    49  			expected:         "",
    50  			expectedNegation: "",
    51  		},
    52  		{
    53  			name:             "1 query",
    54  			input:            []search.Query{query},
    55  			expected:         "query",
    56  			expectedNegation: "negation(query)",
    57  		},
    58  		{
    59  			name:             "multiple queries",
    60  			input:            []search.Query{query, query, query},
    61  			expected:         "query, query, query",
    62  			expectedNegation: "negation(query), negation(query), negation(query)",
    63  		},
    64  	}
    65  
    66  	for _, test := range tests {
    67  		t.Run(test.name, func(t *testing.T) {
    68  			var j, jn strings.Builder
    69  			join(&j, test.input)
    70  			joinNegation(&jn, test.input)
    71  			require.Equal(t, test.expected, j.String())
    72  			require.Equal(t, test.expectedNegation, jn.String())
    73  		})
    74  	}
    75  }