github.com/m3db/m3@v1.5.0/src/dbnode/storage/limits/errors_test.go (about)

     1  // Copyright (c) 2020 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 limits
    22  
    23  import (
    24  	"errors"
    25  	"testing"
    26  
    27  	"github.com/stretchr/testify/assert"
    28  
    29  	xerrors "github.com/m3db/m3/src/x/errors"
    30  )
    31  
    32  func TestIsQueryLimitExceededError(t *testing.T) {
    33  	randomErr := xerrors.NewNonRetryableError(errors.New("random error"))
    34  	limitExceededErr := NewQueryLimitExceededError("query limit exceeded")
    35  
    36  	tests := []struct {
    37  		name     string
    38  		err      error
    39  		expected bool
    40  	}{
    41  		{
    42  			"not query limit exceeded",
    43  			randomErr,
    44  			false,
    45  		},
    46  		{
    47  			"query limit exceeded",
    48  			limitExceededErr,
    49  			true,
    50  		},
    51  		{
    52  			"inner non query limit exceeded",
    53  			xerrors.NewInvalidParamsError(randomErr),
    54  			false,
    55  		},
    56  		{
    57  			"inner query limit exceeded",
    58  			xerrors.NewInvalidParamsError(limitExceededErr),
    59  			true,
    60  		},
    61  		{
    62  			"empty multi error",
    63  			multiError(),
    64  			false,
    65  		},
    66  		{
    67  			"multi error without query limit exceeded",
    68  			multiError(randomErr),
    69  			false,
    70  		},
    71  		{
    72  			"multi error with only query limit exceeded",
    73  			multiError(limitExceededErr),
    74  			true,
    75  		},
    76  		{
    77  			"multi error with query limit exceeded",
    78  			multiError(randomErr, xerrors.NewRetryableError(limitExceededErr)),
    79  			true,
    80  		},
    81  	}
    82  
    83  	for _, tt := range tests {
    84  		t.Run(tt.name, func(t *testing.T) {
    85  			assert.Equal(t, tt.expected, IsQueryLimitExceededError(tt.err))
    86  		})
    87  	}
    88  }
    89  
    90  func multiError(errs ...error) error {
    91  	multiErr := xerrors.NewMultiError()
    92  	for _, e := range errs {
    93  		multiErr = multiErr.Add(e)
    94  	}
    95  	return multiErr.FinalError()
    96  }