group_test.go

Documentation: github.com/emicklei/proto

     1  // Copyright (c) 2017 Ernest Micklei
     2  //
     3  // MIT License
     4  //
     5  // Permission is hereby granted, free of charge, to any person obtaining
     6  // a copy of this software and associated documentation files (the
     7  // "Software"), to deal in the Software without restriction, including
     8  // without limitation the rights to use, copy, modify, merge, publish,
     9  // distribute, sublicense, and/or sell copies of the Software, and to
    10  // permit persons to whom the Software is furnished to do so, subject to
    11  // the following conditions:
    12  //
    13  // The above copyright notice and this permission notice shall be
    14  // included in all copies or substantial portions of the Software.
    15  //
    16  // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
    17  // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
    18  // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
    19  // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
    20  // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
    21  // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
    22  // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
    23  
    24  package proto
    25  
    26  import "testing"
    27  
    28  func TestGroup(t *testing.T) {
    29  	oto := `message M {
    30  		// group
    31  		optional group OptionalGroup = 16 // group comment 1
    32  			// group comment 2 
    33  		{
    34  			// field
    35              optional int32 a = 17;
    36          }
    37      }`
    38  	p := newParserOn(oto)
    39  	p.next() // consume first token
    40  	m := new(Message)
    41  	err := m.parse(p)
    42  	if err != nil {
    43  		t.Error(err)
    44  	}
    45  	if got, want := len(m.Elements), 1; got != want {
    46  		t.Logf("%#v", m.Elements)
    47  		t.Fatalf("got [%v] want [%v]", got, want)
    48  	}
    49  	g := m.Elements[0].(*Group)
    50  	if got, want := len(g.Elements), 2; got != want {
    51  		t.Fatalf("got [%v] want [%v]", got, want)
    52  	}
    53  	if got, want := g.Position.Line, 3; got != want {
    54  		t.Fatalf("got [%v] want [%v]", got, want)
    55  	}
    56  	if got, want := g.Comment != nil, true; got != want {
    57  		t.Errorf("got [%v] want [%v]", got, want)
    58  	}
    59  	f := g.Elements[1].(*NormalField)
    60  	if got, want := f.Name, "a"; got != want {
    61  		t.Errorf("got [%v] want [%v]", got, want)
    62  	}
    63  	if got, want := f.Optional, true; got != want {
    64  		t.Errorf("got [%v] want [%v]", got, want)
    65  	}
    66  }
    67
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