summaryrefslogtreecommitdiffstats
path: root/src/jaegertracing/thrift/lib/rb/spec/compact_protocol_spec.rb
blob: 513dd69cfb37948c328ed85a0e3ef7ef7be82b94 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
# encoding: UTF-8
#
# Licensed to the Apache Software Foundation (ASF) under one
# or more contributor license agreements. See the NOTICE file
# distributed with this work for additional information
# regarding copyright ownership. The ASF licenses this file
# to you under the Apache License, Version 2.0 (the
# "License"); you may not use this file except in compliance
# with the License. You may obtain a copy of the License at
#
#   http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing,
# software distributed under the License is distributed on an
# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
# KIND, either express or implied. See the License for the
# specific language governing permissions and limitations
# under the License.
#

require 'spec_helper'

describe Thrift::CompactProtocol do
  TESTS = {
    :byte => (-127..127).to_a,
    :i16 => (0..14).map {|shift| [1 << shift, -(1 << shift)]}.flatten.sort,
    :i32 => (0..30).map {|shift| [1 << shift, -(1 << shift)]}.flatten.sort,
    :i64 => (0..62).map {|shift| [1 << shift, -(1 << shift)]}.flatten.sort,
    :string => ["", "1", "short", "fourteen123456", "fifteen12345678", "unicode characters: \u20AC \u20AD", "1" * 127, "1" * 3000],
    :binary => ["", "\001", "\001" * 5, "\001" * 14, "\001" * 15, "\001" * 127, "\001" * 3000],
    :double => [0.0, 1.0, -1.0, 1.1, -1.1, 10000000.1, 1.0/0.0, -1.0/0.0],
    :bool => [true, false]
  }
  
  it "should encode and decode naked primitives correctly" do
    TESTS.each_pair do |primitive_type, test_values|
      test_values.each do |value|
        # puts "testing #{value}" if primitive_type == :i64
        trans = Thrift::MemoryBufferTransport.new
        proto = Thrift::CompactProtocol.new(trans)
        
        proto.send(writer(primitive_type), value)
        # puts "buf: #{trans.inspect_buffer}" if primitive_type == :i64
        read_back = proto.send(reader(primitive_type))
        expect(read_back).to eq(value)
      end
    end
  end
  
  it "should encode and decode primitives in fields correctly" do
    TESTS.each_pair do |primitive_type, test_values|
      final_primitive_type = primitive_type == :binary ? :string : primitive_type
      thrift_type = Thrift::Types.const_get(final_primitive_type.to_s.upcase)
      # puts primitive_type
      test_values.each do |value|
        trans = Thrift::MemoryBufferTransport.new
        proto = Thrift::CompactProtocol.new(trans)

        proto.write_field_begin(nil, thrift_type, 15)
        proto.send(writer(primitive_type), value)
        proto.write_field_end

        proto = Thrift::CompactProtocol.new(trans)
        name, type, id = proto.read_field_begin
        expect(type).to eq(thrift_type)
        expect(id).to eq(15)
        read_back = proto.send(reader(primitive_type))
        expect(read_back).to eq(value)
        proto.read_field_end
      end
    end
  end

  it "should encode and decode a monster struct correctly" do
    trans = Thrift::MemoryBufferTransport.new
    proto = Thrift::CompactProtocol.new(trans)

    struct = Thrift::Test::CompactProtoTestStruct.new
    # sets and maps don't hash well... not sure what to do here.
    struct.write(proto)

    struct2 = Thrift::Test::CompactProtoTestStruct.new
    struct2.read(proto)    
    expect(struct2).to eq(struct)
  end

  it "should make method calls correctly" do
    client_out_trans = Thrift::MemoryBufferTransport.new
    client_out_proto = Thrift::CompactProtocol.new(client_out_trans)

    client_in_trans = Thrift::MemoryBufferTransport.new
    client_in_proto = Thrift::CompactProtocol.new(client_in_trans)

    processor = Thrift::Test::Srv::Processor.new(JankyHandler.new)

    client = Thrift::Test::Srv::Client.new(client_in_proto, client_out_proto)
    client.send_Janky(1)
    # puts client_out_trans.inspect_buffer
    processor.process(client_out_proto, client_in_proto)
    expect(client.recv_Janky).to eq(2)
  end
  
  it "should deal with fields following fields that have non-delta ids" do
    brcp = Thrift::Test::BreaksRubyCompactProtocol.new(
      :field1 => "blah", 
      :field2 => Thrift::Test::BigFieldIdStruct.new(
        :field1 => "string1", 
        :field2 => "string2"), 
      :field3 => 3)
    ser = Thrift::Serializer.new(Thrift::CompactProtocolFactory.new)
    bytes = ser.serialize(brcp)

    deser = Thrift::Deserializer.new(Thrift::CompactProtocolFactory.new)
    brcp2 = Thrift::Test::BreaksRubyCompactProtocol.new
    deser.deserialize(brcp2, bytes)
    expect(brcp2).to eq(brcp)
  end
  
  it "should deserialize an empty map to an empty hash" do
    struct = Thrift::Test::SingleMapTestStruct.new(:i32_map => {})
    ser = Thrift::Serializer.new(Thrift::CompactProtocolFactory.new)
    bytes = ser.serialize(struct)

    deser = Thrift::Deserializer.new(Thrift::CompactProtocolFactory.new)
    struct2 = Thrift::Test::SingleMapTestStruct.new
    deser.deserialize(struct2, bytes)
    expect(struct).to eq(struct2)
  end
  
  it "should provide a reasonable to_s" do
    trans = Thrift::MemoryBufferTransport.new
    expect(Thrift::CompactProtocol.new(trans).to_s).to eq("compact(memory)")
  end
  
  class JankyHandler
    def Janky(i32arg)
      i32arg * 2
    end
  end
  
  def writer(sym)
    "write_#{sym.to_s}"
  end
  
  def reader(sym)
    "read_#{sym.to_s}"
  end
end

describe Thrift::CompactProtocolFactory do
  it "should create a CompactProtocol" do
    expect(Thrift::CompactProtocolFactory.new.get_protocol(double("MockTransport"))).to be_instance_of(Thrift::CompactProtocol)
  end

  it "should provide a reasonable to_s" do
    expect(Thrift::CompactProtocolFactory.new.to_s).to eq("compact")
  end
end