github.com/googleapis/api-linter@v1.65.2/rules/aip0191/proto_version_test.go (about)

     1  // Copyright 2019 Google LLC
     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  //     https://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 aip0191
    16  
    17  import (
    18  	"testing"
    19  
    20  	"github.com/googleapis/api-linter/rules/internal/testutils"
    21  	"github.com/jhump/protoreflect/desc/builder"
    22  )
    23  
    24  func TestSyntax(t *testing.T) {
    25  	// Set up the two permutations.
    26  	tests := []struct {
    27  		testName string
    28  		isProto3 bool
    29  		problems testutils.Problems
    30  	}{
    31  		{"Valid", true, testutils.Problems{}},
    32  		{"Invalid", false, testutils.Problems{{Suggestion: `syntax = "proto3";`}}},
    33  	}
    34  
    35  	// Run each permutation as an individual test.
    36  	for _, test := range tests {
    37  		t.Run(test.testName, func(t *testing.T) {
    38  			// Build an appropriate file descriptor.
    39  			f, err := builder.NewFile("library.proto").SetProto3(test.isProto3).Build()
    40  			if err != nil {
    41  				t.Fatalf("Could not build file descriptor.")
    42  			}
    43  
    44  			// Lint the file, and ensure we got the expected problems.
    45  			if diff := test.problems.SetDescriptor(f).Diff(syntax.Lint(f)); diff != "" {
    46  				t.Errorf(diff)
    47  			}
    48  		})
    49  	}
    50  }