go.chromium.org/luci@v0.0.0-20240309015107-7cdc2e660f33/starlark/starlarkproto/descriptor_set_test.go (about)

     1  // Copyright 2019 The LUCI Authors.
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //      http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  
    15  package starlarkproto
    16  
    17  import (
    18  	"testing"
    19  
    20  	"google.golang.org/protobuf/types/descriptorpb"
    21  )
    22  
    23  func fdp(name string, deps ...string) *descriptorpb.FileDescriptorProto {
    24  	return &descriptorpb.FileDescriptorProto{
    25  		Name:       &name,
    26  		Dependency: deps,
    27  	}
    28  }
    29  
    30  func fdps(d ...*descriptorpb.FileDescriptorProto) []*descriptorpb.FileDescriptorProto { return d }
    31  func deps(d ...*DescriptorSet) []*DescriptorSet                                       { return d }
    32  
    33  func TestDescriptorSetDiamond(t *testing.T) {
    34  	t.Parallel()
    35  
    36  	base, err := NewDescriptorSet("base", fdps(fdp("base.proto")), nil)
    37  	if err != nil {
    38  		t.Fatalf("base: %v", err)
    39  	}
    40  	left, err := NewDescriptorSet("left", fdps(fdp("left.proto", "base.proto")), deps(base))
    41  	if err != nil {
    42  		t.Fatalf("left: %v", err)
    43  	}
    44  	right, err := NewDescriptorSet("right", fdps(fdp("right.proto", "base.proto")), deps(base))
    45  	if err != nil {
    46  		t.Fatalf("right: %v", err)
    47  	}
    48  	_, err = NewDescriptorSet("top", fdps(fdp("top.proto", "left.proto", "right.proto")), deps(left, right))
    49  	if err != nil {
    50  		t.Fatalf("top: %v", err)
    51  	}
    52  }
    53  
    54  func TestDescriptorSetDupFile(t *testing.T) {
    55  	t.Parallel()
    56  
    57  	a, _ := NewDescriptorSet("a", fdps(fdp("file.proto")), nil)
    58  	b, _ := NewDescriptorSet("b", fdps(fdp("file.proto")), nil)
    59  
    60  	if _, err := NewDescriptorSet("c", nil, deps(a, b)); err == nil {
    61  		t.Fatalf("unexpectedly succeeded")
    62  	}
    63  }
    64  
    65  func TestDescriptorSetUnknownFile(t *testing.T) {
    66  	t.Parallel()
    67  
    68  	a, _ := NewDescriptorSet("a", fdps(fdp("a.proto")), nil)
    69  	if _, err := NewDescriptorSet("b", fdps(fdp("b.proto", "a.proto", "unknown.proto")), deps(a)); err == nil {
    70  		t.Fatalf("unexpectedly succeeded")
    71  	}
    72  }