github.com/whiteCcinn/protobuf-go@v1.0.9/internal/descfmt/desc_test.go (about)

     1  // Copyright 2018 The Go Authors. All rights reserved.
     2  // Use of this source code is governed by a BSD-style
     3  // license that can be found in the LICENSE file.
     4  
     5  package descfmt
     6  
     7  import (
     8  	"testing"
     9  )
    10  
    11  // TestDescriptorAccessors tests that descriptorAccessors is up-to-date.
    12  func TestDescriptorAccessors(t *testing.T) {
    13  	ignore := map[string]bool{
    14  		"ParentFile":    true,
    15  		"Parent":        true,
    16  		"Index":         true,
    17  		"Syntax":        true,
    18  		"Name":          true,
    19  		"FullName":      true,
    20  		"IsPlaceholder": true,
    21  		"Options":       true,
    22  		"ProtoInternal": true,
    23  		"ProtoType":     true,
    24  
    25  		"TextName":           true, // derived from other fields
    26  		"HasOptionalKeyword": true, // captured by HasPresence
    27  		"IsSynthetic":        true, // captured by HasPresence
    28  
    29  		"SourceLocations":       true, // specific to FileDescriptor
    30  		"ExtensionRangeOptions": true, // specific to MessageDescriptor
    31  		"DefaultEnumValue":      true, // specific to FieldDescriptor
    32  		"MapKey":                true, // specific to FieldDescriptor
    33  		"MapValue":              true, // specific to FieldDescriptor
    34  	}
    35  
    36  	for rt, m := range descriptorAccessors {
    37  		got := map[string]bool{}
    38  		for _, s := range m {
    39  			got[s] = true
    40  		}
    41  		want := map[string]bool{}
    42  		for i := 0; i < rt.NumMethod(); i++ {
    43  			want[rt.Method(i).Name] = true
    44  		}
    45  
    46  		// Check if descriptorAccessors contains a non-existent accessor.
    47  		// If this test fails, remove the accessor from descriptorAccessors.
    48  		for s := range got {
    49  			if !want[s] && !ignore[s] {
    50  				t.Errorf("%v.%v does not exist", rt, s)
    51  			}
    52  		}
    53  
    54  		// Check if there are new protoreflect interface methods that are not
    55  		// handled by the formatter. If this fails, either add the method to
    56  		// ignore or add them to descriptorAccessors.
    57  		for s := range want {
    58  			if !got[s] && !ignore[s] {
    59  				t.Errorf("%v.%v is not called by formatter", rt, s)
    60  			}
    61  		}
    62  	}
    63  }