github.com/m3db/m3@v1.5.0/src/metrics/generated/proto/metricpb/custom_unmarshal_test.go (about)

     1  // Copyright (c) 2021 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
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     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 metricpb
    22  
    23  import (
    24  	"testing"
    25  
    26  	"github.com/gogo/protobuf/protoc-gen-gogo/descriptor"
    27  	"github.com/stretchr/testify/require"
    28  
    29  	"github.com/m3db/m3/src/metrics/generated/proto/pipelinepb"
    30  )
    31  
    32  func TestCatchNewFields(t *testing.T) {
    33  	verifyFields(t, &StagedMetadatas{}, 1)
    34  	verifyFields(t, &StagedMetadata{}, 3)
    35  	verifyFields(t, &Metadata{}, 1)
    36  	verifyFields(t, &PipelineMetadata{}, 5)
    37  	verifyFields(t, &pipelinepb.AppliedPipeline{}, 1)
    38  	verifyFields(t, &pipelinepb.AppliedPipelineOp{}, 3)
    39  	verifyFields(t, &pipelinepb.AppliedRollupOp{}, 2)
    40  }
    41  
    42  func verifyFields(t *testing.T, m descriptor.Message, expectedFieldCount int) {
    43  	_, d := descriptor.ForMessage(m)
    44  	require.Len(t, d.Field, expectedFieldCount, "Unexpected number of fields for %s. "+
    45  		"If you added a new field you need to update the reuse() function in custom_unmarshal.go to reset the field "+
    46  		"for reuse. After that you can update the expected number of fields in this test.", *d.Name)
    47  }