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      1 // Go support for Protocol Buffers - Google's data interchange format
      2 //
      3 // Copyright 2013 The Go Authors.  All rights reserved.
      4 // https://github.com/golang/protobuf
      5 //
      6 // Redistribution and use in source and binary forms, with or without
      7 // modification, are permitted provided that the following conditions are
      8 // met:
      9 //
     10 //     * Redistributions of source code must retain the above copyright
     11 // notice, this list of conditions and the following disclaimer.
     12 //     * Redistributions in binary form must reproduce the above
     13 // copyright notice, this list of conditions and the following disclaimer
     14 // in the documentation and/or other materials provided with the
     15 // distribution.
     16 //     * Neither the name of Google Inc. nor the names of its
     17 // contributors may be used to endorse or promote products derived from
     18 // this software without specific prior written permission.
     19 //
     20 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
     21 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
     22 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
     23 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
     24 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
     25 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
     26 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     27 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     28 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     29 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
     30 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     31 
     32 package generator
     33 
     34 import (
     35 	"testing"
     36 
     37 	"github.com/golang/protobuf/protoc-gen-go/descriptor"
     38 )
     39 
     40 func TestCamelCase(t *testing.T) {
     41 	tests := []struct {
     42 		in, want string
     43 	}{
     44 		{"one", "One"},
     45 		{"one_two", "OneTwo"},
     46 		{"_my_field_name_2", "XMyFieldName_2"},
     47 		{"Something_Capped", "Something_Capped"},
     48 		{"my_Name", "My_Name"},
     49 		{"OneTwo", "OneTwo"},
     50 		{"_", "X"},
     51 		{"_a_", "XA_"},
     52 	}
     53 	for _, tc := range tests {
     54 		if got := CamelCase(tc.in); got != tc.want {
     55 			t.Errorf("CamelCase(%q) = %q, want %q", tc.in, got, tc.want)
     56 		}
     57 	}
     58 }
     59 
     60 func TestGoPackageOption(t *testing.T) {
     61 	tests := []struct {
     62 		in           string
     63 		impPath, pkg string
     64 		ok           bool
     65 	}{
     66 		{"", "", "", false},
     67 		{"foo", "", "foo", true},
     68 		{"github.com/golang/bar", "github.com/golang/bar", "bar", true},
     69 		{"github.com/golang/bar;baz", "github.com/golang/bar", "baz", true},
     70 	}
     71 	for _, tc := range tests {
     72 		d := &FileDescriptor{
     73 			FileDescriptorProto: &descriptor.FileDescriptorProto{
     74 				Options: &descriptor.FileOptions{
     75 					GoPackage: &tc.in,
     76 				},
     77 			},
     78 		}
     79 		impPath, pkg, ok := d.goPackageOption()
     80 		if impPath != tc.impPath || pkg != tc.pkg || ok != tc.ok {
     81 			t.Errorf("go_package = %q => (%q, %q, %t), want (%q, %q, %t)", tc.in,
     82 				impPath, pkg, ok, tc.impPath, tc.pkg, tc.ok)
     83 		}
     84 	}
     85 }
     86