xref: /aosp_15_r20/external/protobuf/ruby/tests/basic.rb (revision 1b3f573f81763fcece89efc2b6a5209149e44ab8)
1#!/usr/bin/ruby
2
3# basic_test_pb.rb is in the same directory as this test.
4$LOAD_PATH.unshift(File.expand_path(File.dirname(__FILE__)))
5
6require 'basic_test_pb'
7require 'common_tests'
8require 'google/protobuf'
9require 'json'
10require 'test/unit'
11
12# ------------- generated code --------------
13
14module BasicTest
15  pool = Google::Protobuf::DescriptorPool.new
16  pool.build do
17    add_message "BadFieldNames" do
18      optional :dup, :int32, 1
19      optional :class, :int32, 2
20    end
21  end
22
23  BadFieldNames = pool.lookup("BadFieldNames").msgclass
24
25# ------------ test cases ---------------
26
27  class MessageContainerTest < Test::Unit::TestCase
28    # Required by CommonTests module to resolve proto3 proto classes used in tests.
29    def proto_module
30      ::BasicTest
31    end
32    include CommonTests
33
34    def test_issue_8311_crash
35      Google::Protobuf::DescriptorPool.generated_pool.build do
36        add_file("inner.proto", :syntax => :proto3) do
37          add_message "Inner" do
38            # Removing either of these fixes the segfault.
39            optional :foo, :string, 1
40            optional :bar, :string, 2
41          end
42        end
43      end
44
45      Google::Protobuf::DescriptorPool.generated_pool.build do
46        add_file("outer.proto", :syntax => :proto3) do
47          add_message "Outer" do
48            repeated :inners, :message, 1, "Inner"
49          end
50        end
51      end
52
53      outer = ::Google::Protobuf::DescriptorPool.generated_pool.lookup("Outer").msgclass
54
55      outer.new(
56          inners: []
57      )['inners'].to_s
58
59      assert_raise Google::Protobuf::TypeError do
60        outer.new(
61            inners: [nil]
62        ).to_s
63      end
64    end
65
66    def test_issue_8559_crash
67      msg = TestMessage.new
68      msg.repeated_int32 = ::Google::Protobuf::RepeatedField.new(:int32, [1, 2, 3])
69
70      # https://github.com/jruby/jruby/issues/6818 was fixed in JRuby 9.3.0.0
71      if cruby_or_jruby_9_3_or_higher?
72        GC.start(full_mark: true, immediate_sweep: true)
73      end
74      TestMessage.encode(msg)
75    end
76
77    def test_issue_9440
78      msg = HelloRequest.new
79      msg.id = 8
80      assert_equal 8, msg.id
81      msg.version = '1'
82      assert_equal 8, msg.id
83    end
84
85    def test_issue_9507
86      pool = Google::Protobuf::DescriptorPool.new
87      pool.build do
88        add_message "NpeMessage" do
89          optional :type, :enum, 1, "TestEnum"
90          optional :other, :string, 2
91        end
92        add_enum "TestEnum" do
93          value :Something, 0
94        end
95      end
96
97      msgclass = pool.lookup("NpeMessage").msgclass
98
99      m = msgclass.new(
100        other: "foo"      # must be set, but can be blank
101      )
102
103      begin
104        encoded = msgclass.encode(m)
105      rescue java.lang.NullPointerException
106        flunk "NPE rescued"
107      end
108      decoded = msgclass.decode(encoded)
109      decoded.inspect
110      decoded.to_proto
111    end
112
113    def test_has_field
114      m = TestSingularFields.new
115      assert !m.has_singular_msg?
116      m.singular_msg = TestMessage2.new
117      assert m.has_singular_msg?
118      assert TestSingularFields.descriptor.lookup('singular_msg').has?(m)
119
120      m = OneofMessage.new
121      assert !m.has_my_oneof?
122      m.a = "foo"
123      assert m.has_my_oneof?
124      assert_raise NoMethodError do
125        m.has_a?
126      end
127      assert_true OneofMessage.descriptor.lookup('a').has?(m)
128
129      m = TestSingularFields.new
130      assert_raise NoMethodError do
131        m.has_singular_int32?
132      end
133      assert_raise ArgumentError do
134        TestSingularFields.descriptor.lookup('singular_int32').has?(m)
135      end
136
137      assert_raise NoMethodError do
138        m.has_singular_string?
139      end
140      assert_raise ArgumentError do
141        TestSingularFields.descriptor.lookup('singular_string').has?(m)
142      end
143
144      assert_raise NoMethodError do
145        m.has_singular_bool?
146      end
147      assert_raise ArgumentError do
148        TestSingularFields.descriptor.lookup('singular_bool').has?(m)
149      end
150
151      m = TestMessage.new
152      assert_raise NoMethodError do
153        m.has_repeated_msg?
154      end
155      assert_raise ArgumentError do
156        TestMessage.descriptor.lookup('repeated_msg').has?(m)
157      end
158    end
159
160    def test_no_presence
161      m = TestSingularFields.new
162
163      # Explicitly setting to zero does not cause anything to be serialized.
164      m.singular_int32 = 0
165      assert_equal "", TestSingularFields.encode(m)
166
167      # Explicitly setting to a non-zero value *does* cause serialization.
168      m.singular_int32 = 1
169      assert_not_equal "", TestSingularFields.encode(m)
170
171      m.singular_int32 = 0
172      assert_equal "", TestSingularFields.encode(m)
173    end
174
175    def test_set_clear_defaults
176      m = TestSingularFields.new
177
178      m.singular_int32 = -42
179      assert_equal( -42, m.singular_int32 )
180      m.clear_singular_int32
181      assert_equal 0, m.singular_int32
182
183      m.singular_int32 = 50
184      assert_equal 50, m.singular_int32
185      TestSingularFields.descriptor.lookup('singular_int32').clear(m)
186      assert_equal 0, m.singular_int32
187
188      m.singular_string = "foo bar"
189      assert_equal "foo bar", m.singular_string
190      m.clear_singular_string
191      assert_equal "", m.singular_string
192
193      m.singular_string = "foo"
194      assert_equal "foo", m.singular_string
195      TestSingularFields.descriptor.lookup('singular_string').clear(m)
196      assert_equal "", m.singular_string
197
198      m.singular_msg = TestMessage2.new(:foo => 42)
199      assert_equal TestMessage2.new(:foo => 42), m.singular_msg
200      assert m.has_singular_msg?
201      m.clear_singular_msg
202      assert_equal nil, m.singular_msg
203      assert !m.has_singular_msg?
204
205      m.singular_msg = TestMessage2.new(:foo => 42)
206      assert_equal TestMessage2.new(:foo => 42), m.singular_msg
207      TestSingularFields.descriptor.lookup('singular_msg').clear(m)
208      assert_equal nil, m.singular_msg
209    end
210
211    def test_import_proto2
212      m = TestMessage.new
213      assert !m.has_optional_proto2_submessage?
214      m.optional_proto2_submessage = ::FooBar::Proto2::TestImportedMessage.new
215      assert m.has_optional_proto2_submessage?
216      assert TestMessage.descriptor.lookup('optional_proto2_submessage').has?(m)
217
218      m.clear_optional_proto2_submessage
219      assert !m.has_optional_proto2_submessage?
220    end
221
222    def test_clear_repeated_fields
223      m = TestMessage.new
224
225      m.repeated_int32.push(1)
226      assert_equal [1], m.repeated_int32
227      m.clear_repeated_int32
228      assert_equal [], m.repeated_int32
229
230      m.repeated_int32.push(1)
231      assert_equal [1], m.repeated_int32
232      TestMessage.descriptor.lookup('repeated_int32').clear(m)
233      assert_equal [], m.repeated_int32
234
235      m = OneofMessage.new
236      m.a = "foo"
237      assert_equal "foo", m.a
238      assert m.has_my_oneof?
239      assert_equal :a, m.my_oneof
240      m.clear_a
241      assert !m.has_my_oneof?
242
243      m.a = "foobar"
244      assert m.has_my_oneof?
245      m.clear_my_oneof
246      assert !m.has_my_oneof?
247
248      m.a = "bar"
249      assert_equal "bar", m.a
250      assert m.has_my_oneof?
251      OneofMessage.descriptor.lookup('a').clear(m)
252      assert !m.has_my_oneof?
253    end
254
255    def test_initialization_map_errors
256      e = assert_raise ArgumentError do
257        TestMessage.new(:hello => "world")
258      end
259      assert_match(/hello/, e.message)
260
261      e = assert_raise ArgumentError do
262        MapMessage.new(:map_string_int32 => "hello")
263      end
264      assert_equal e.message, "Expected Hash object as initializer value for map field 'map_string_int32' (given String)."
265
266      e = assert_raise ArgumentError do
267        TestMessage.new(:repeated_uint32 => "hello")
268      end
269      assert_equal e.message, "Expected array as initializer value for repeated field 'repeated_uint32' (given String)."
270    end
271
272    def test_map_field
273      m = MapMessage.new
274      assert m.map_string_int32 == {}
275      assert m.map_string_msg == {}
276
277      m = MapMessage.new(
278        :map_string_int32 => {"a" => 1, "b" => 2},
279        :map_string_msg => {"a" => TestMessage2.new(:foo => 1),
280                            "b" => TestMessage2.new(:foo => 2)},
281        :map_string_enum => {"a" => :A, "b" => :B})
282      assert m.map_string_int32.keys.sort == ["a", "b"]
283      assert m.map_string_int32["a"] == 1
284      assert m.map_string_msg["b"].foo == 2
285      assert m.map_string_enum["a"] == :A
286
287      m.map_string_int32["c"] = 3
288      assert m.map_string_int32["c"] == 3
289      m.map_string_msg["c"] = TestMessage2.new(:foo => 3)
290      assert m.map_string_msg["c"] == TestMessage2.new(:foo => 3)
291      m.map_string_msg.delete("b")
292      m.map_string_msg.delete("c")
293      assert m.map_string_msg == { "a" => TestMessage2.new(:foo => 1) }
294
295      assert_raise Google::Protobuf::TypeError do
296        m.map_string_msg["e"] = TestMessage.new # wrong value type
297      end
298      # ensure nothing was added by the above
299      assert m.map_string_msg == { "a" => TestMessage2.new(:foo => 1) }
300
301      m.map_string_int32 = Google::Protobuf::Map.new(:string, :int32)
302      assert_raise Google::Protobuf::TypeError do
303        m.map_string_int32 = Google::Protobuf::Map.new(:string, :int64)
304      end
305      assert_raise Google::Protobuf::TypeError do
306        m.map_string_int32 = {}
307      end
308
309      assert_raise Google::Protobuf::TypeError do
310        m = MapMessage.new(:map_string_int32 => { 1 => "I am not a number" })
311      end
312    end
313
314    def test_map_field_with_symbol
315      m = MapMessage.new
316      assert m.map_string_int32 == {}
317      assert m.map_string_msg == {}
318
319      m = MapMessage.new(
320        :map_string_int32 => {a: 1, "b" => 2},
321        :map_string_msg => {a: TestMessage2.new(:foo => 1),
322                            b: TestMessage2.new(:foo => 10)})
323      assert_equal 1, m.map_string_int32[:a]
324      assert_equal 2, m.map_string_int32[:b]
325      assert_equal 10, m.map_string_msg[:b].foo
326    end
327
328    def test_map_inspect
329      m = MapMessage.new(
330        :map_string_int32 => {"a" => 1, "b" => 2},
331        :map_string_msg => {"a" => TestMessage2.new(:foo => 1),
332                            "b" => TestMessage2.new(:foo => 2)},
333        :map_string_enum => {"a" => :A, "b" => :B})
334
335      # JRuby doesn't keep consistent ordering so check for either version
336      expected_a = "<BasicTest::MapMessage: map_string_int32: {\"b\"=>2, \"a\"=>1}, map_string_msg: {\"b\"=><BasicTest::TestMessage2: foo: 2>, \"a\"=><BasicTest::TestMessage2: foo: 1>}, map_string_enum: {\"b\"=>:B, \"a\"=>:A}>"
337      expected_b = "<BasicTest::MapMessage: map_string_int32: {\"a\"=>1, \"b\"=>2}, map_string_msg: {\"a\"=><BasicTest::TestMessage2: foo: 1>, \"b\"=><BasicTest::TestMessage2: foo: 2>}, map_string_enum: {\"a\"=>:A, \"b\"=>:B}>"
338      inspect_result = m.inspect
339      assert expected_a == inspect_result || expected_b == inspect_result, "Incorrect inspect result: #{inspect_result}"
340    end
341
342    def test_map_corruption
343      # This pattern led to a crash in a previous version of upb/protobuf.
344      m = MapMessage.new(map_string_int32: { "aaa" => 1 })
345      m.map_string_int32['podid'] = 2
346      m.map_string_int32['aaa'] = 3
347    end
348
349    def test_map_wrappers
350      run_asserts = ->(m) {
351        assert_equal 2.0, m.map_double[0].value
352        assert_equal 4.0, m.map_float[0].value
353        assert_equal 3, m.map_int32[0].value
354        assert_equal 4, m.map_int64[0].value
355        assert_equal 5, m.map_uint32[0].value
356        assert_equal 6, m.map_uint64[0].value
357        assert_equal true, m.map_bool[0].value
358        assert_equal 'str', m.map_string[0].value
359        assert_equal 'fun', m.map_bytes[0].value
360      }
361
362      m = proto_module::Wrapper.new(
363        map_double: {0 => Google::Protobuf::DoubleValue.new(value: 2.0)},
364        map_float: {0 => Google::Protobuf::FloatValue.new(value: 4.0)},
365        map_int32: {0 => Google::Protobuf::Int32Value.new(value: 3)},
366        map_int64: {0 => Google::Protobuf::Int64Value.new(value: 4)},
367        map_uint32: {0 => Google::Protobuf::UInt32Value.new(value: 5)},
368        map_uint64: {0 => Google::Protobuf::UInt64Value.new(value: 6)},
369        map_bool: {0 => Google::Protobuf::BoolValue.new(value: true)},
370        map_string: {0 => Google::Protobuf::StringValue.new(value: 'str')},
371        map_bytes: {0 => Google::Protobuf::BytesValue.new(value: 'fun')},
372      )
373
374      run_asserts.call(m)
375      serialized = proto_module::Wrapper::encode(m)
376      m2 = proto_module::Wrapper::decode(serialized)
377      run_asserts.call(m2)
378
379      # Test the case where we are serializing directly from the parsed form
380      # (before anything lazy is materialized).
381      m3 = proto_module::Wrapper::decode(serialized)
382      serialized2 = proto_module::Wrapper::encode(m3)
383      m4 = proto_module::Wrapper::decode(serialized2)
384      run_asserts.call(m4)
385
386      # Test that the lazy form compares equal to the expanded form.
387      m5 = proto_module::Wrapper::decode(serialized2)
388      assert_equal m5, m
389    end
390
391    def test_map_wrappers_with_default_values
392      run_asserts = ->(m) {
393        assert_equal 0.0, m.map_double[0].value
394        assert_equal 0.0, m.map_float[0].value
395        assert_equal 0, m.map_int32[0].value
396        assert_equal 0, m.map_int64[0].value
397        assert_equal 0, m.map_uint32[0].value
398        assert_equal 0, m.map_uint64[0].value
399        assert_equal false, m.map_bool[0].value
400        assert_equal '', m.map_string[0].value
401        assert_equal '', m.map_bytes[0].value
402      }
403
404      m = proto_module::Wrapper.new(
405        map_double: {0 => Google::Protobuf::DoubleValue.new(value: 0.0)},
406        map_float: {0 => Google::Protobuf::FloatValue.new(value: 0.0)},
407        map_int32: {0 => Google::Protobuf::Int32Value.new(value: 0)},
408        map_int64: {0 => Google::Protobuf::Int64Value.new(value: 0)},
409        map_uint32: {0 => Google::Protobuf::UInt32Value.new(value: 0)},
410        map_uint64: {0 => Google::Protobuf::UInt64Value.new(value: 0)},
411        map_bool: {0 => Google::Protobuf::BoolValue.new(value: false)},
412        map_string: {0 => Google::Protobuf::StringValue.new(value: '')},
413        map_bytes: {0 => Google::Protobuf::BytesValue.new(value: '')},
414      )
415
416      run_asserts.call(m)
417      serialized = proto_module::Wrapper::encode(m)
418      m2 = proto_module::Wrapper::decode(serialized)
419      run_asserts.call(m2)
420
421      # Test the case where we are serializing directly from the parsed form
422      # (before anything lazy is materialized).
423      m3 = proto_module::Wrapper::decode(serialized)
424      serialized2 = proto_module::Wrapper::encode(m3)
425      m4 = proto_module::Wrapper::decode(serialized2)
426      run_asserts.call(m4)
427
428      # Test that the lazy form compares equal to the expanded form.
429      m5 = proto_module::Wrapper::decode(serialized2)
430      assert_equal m5, m
431    end
432
433    def test_map_wrappers_with_no_value
434      run_asserts = ->(m) {
435        assert_equal 0.0, m.map_double[0].value
436        assert_equal 0.0, m.map_float[0].value
437        assert_equal 0, m.map_int32[0].value
438        assert_equal 0, m.map_int64[0].value
439        assert_equal 0, m.map_uint32[0].value
440        assert_equal 0, m.map_uint64[0].value
441        assert_equal false, m.map_bool[0].value
442        assert_equal '', m.map_string[0].value
443        assert_equal '', m.map_bytes[0].value
444      }
445
446      m = proto_module::Wrapper.new(
447        map_double: {0 => Google::Protobuf::DoubleValue.new()},
448        map_float: {0 => Google::Protobuf::FloatValue.new()},
449        map_int32: {0 => Google::Protobuf::Int32Value.new()},
450        map_int64: {0 => Google::Protobuf::Int64Value.new()},
451        map_uint32: {0 => Google::Protobuf::UInt32Value.new()},
452        map_uint64: {0 => Google::Protobuf::UInt64Value.new()},
453        map_bool: {0 => Google::Protobuf::BoolValue.new()},
454        map_string: {0 => Google::Protobuf::StringValue.new()},
455        map_bytes: {0 => Google::Protobuf::BytesValue.new()},
456      )
457      run_asserts.call(m)
458
459      serialized = proto_module::Wrapper::encode(m)
460      m2 = proto_module::Wrapper::decode(serialized)
461      run_asserts.call(m2)
462
463      # Test the case where we are serializing directly from the parsed form
464      # (before anything lazy is materialized).
465      m3 = proto_module::Wrapper::decode(serialized)
466      serialized2 = proto_module::Wrapper::encode(m3)
467      m4 = proto_module::Wrapper::decode(serialized2)
468      run_asserts.call(m4)
469    end
470
471    def test_concurrent_decoding
472      o = Outer.new
473      o.items[0] = Inner.new
474      raw = Outer.encode(o)
475
476      thds = 2.times.map do
477        Thread.new do
478          100000.times do
479            assert_equal o, Outer.decode(raw)
480          end
481        end
482      end
483      thds.map(&:join)
484    end
485
486    def test_map_encode_decode
487      m = MapMessage.new(
488        :map_string_int32 => {"a" => 1, "b" => 2},
489        :map_string_msg => {"a" => TestMessage2.new(:foo => 1),
490                            "b" => TestMessage2.new(:foo => 2)},
491        :map_string_enum => {"a" => :A, "b" => :B})
492      m2 = MapMessage.decode(MapMessage.encode(m))
493      assert m == m2
494
495      m3 = MapMessageWireEquiv.decode(MapMessage.encode(m))
496      assert m3.map_string_int32.length == 2
497
498      kv = {}
499      m3.map_string_int32.map { |msg| kv[msg.key] = msg.value }
500      assert kv == {"a" => 1, "b" => 2}
501
502      kv = {}
503      m3.map_string_msg.map { |msg| kv[msg.key] = msg.value }
504      assert kv == {"a" => TestMessage2.new(:foo => 1),
505                    "b" => TestMessage2.new(:foo => 2)}
506    end
507
508    def test_protobuf_decode_json_ignore_unknown_fields
509      m = TestMessage.decode_json({
510        optional_string: "foo",
511        not_in_message: "some_value"
512      }.to_json, { ignore_unknown_fields: true })
513
514      assert_equal m.optional_string, "foo"
515      e = assert_raise Google::Protobuf::ParseError do
516        TestMessage.decode_json({ not_in_message: "some_value" }.to_json)
517      end
518      assert_match(/No such field: not_in_message/, e.message)
519    end
520
521    #def test_json_quoted_string
522    #  m = TestMessage.decode_json(%q(
523    #    "optionalInt64": "1",,
524    #  }))
525    #  puts(m)
526    #  assert_equal 1, m.optional_int32
527    #end
528
529    def test_to_h
530      m = TestMessage.new(:optional_bool => true, :optional_double => -10.100001, :optional_string => 'foo', :repeated_string => ['bar1', 'bar2'], :repeated_msg => [TestMessage2.new(:foo => 100)])
531      expected_result = {
532        :optional_bool=>true,
533        :optional_bytes=>"",
534        :optional_double=>-10.100001,
535        :optional_enum=>:Default,
536        :optional_float=>0.0,
537        :optional_int32=>0,
538        :optional_int64=>0,
539        :optional_msg=>nil,
540        :optional_msg2=>nil,
541        :optional_proto2_submessage=>nil,
542        :optional_string=>"foo",
543        :optional_uint32=>0,
544        :optional_uint64=>0,
545        :repeated_bool=>[],
546        :repeated_bytes=>[],
547        :repeated_double=>[],
548        :repeated_enum=>[],
549        :repeated_float=>[],
550        :repeated_int32=>[],
551        :repeated_int64=>[],
552        :repeated_msg=>[{:foo => 100}],
553        :repeated_string=>["bar1", "bar2"],
554        :repeated_uint32=>[],
555        :repeated_uint64=>[]
556      }
557      assert_equal expected_result, m.to_h
558
559      m = MapMessage.new(
560        :map_string_int32 => {"a" => 1, "b" => 2},
561        :map_string_msg => {"a" => TestMessage2.new(:foo => 1),
562                            "b" => TestMessage2.new(:foo => 2)},
563        :map_string_enum => {"a" => :A, "b" => :B})
564      expected_result = {
565        :map_string_int32 => {"a" => 1, "b" => 2},
566        :map_string_msg => {"a" => {:foo => 1}, "b" => {:foo => 2}},
567        :map_string_enum => {"a" => :A, "b" => :B}
568      }
569      assert_equal expected_result, m.to_h
570    end
571
572
573    def test_json_maps
574      m = MapMessage.new(:map_string_int32 => {"a" => 1})
575      expected = {mapStringInt32: {a: 1}, mapStringMsg: {}, mapStringEnum: {}}
576      expected_preserve = {map_string_int32: {a: 1}, map_string_msg: {}, map_string_enum: {}}
577      assert_equal JSON.parse(MapMessage.encode_json(m, :emit_defaults=>true), :symbolize_names => true), expected
578
579      json = MapMessage.encode_json(m, :preserve_proto_fieldnames => true, :emit_defaults=>true)
580      assert_equal JSON.parse(json, :symbolize_names => true), expected_preserve
581
582      m2 = MapMessage.decode_json(MapMessage.encode_json(m))
583      assert_equal m, m2
584    end
585
586    def test_json_maps_emit_defaults_submsg
587      m = MapMessage.new(:map_string_msg => {"a" => TestMessage2.new(foo: 0)})
588      expected = {mapStringInt32: {}, mapStringMsg: {a: {foo: 0}}, mapStringEnum: {}}
589
590      actual = MapMessage.encode_json(m, :emit_defaults => true)
591
592      assert_equal JSON.parse(actual, :symbolize_names => true), expected
593    end
594
595    def test_json_emit_defaults_submsg
596      m = TestSingularFields.new(singular_msg: proto_module::TestMessage2.new)
597
598      expected = {
599        singularInt32: 0,
600        singularInt64: "0",
601        singularUint32: 0,
602        singularUint64: "0",
603        singularBool: false,
604        singularFloat: 0,
605        singularDouble: 0,
606        singularString: "",
607        singularBytes: "",
608        singularMsg: {},
609        singularEnum: "Default",
610      }
611
612      actual = proto_module::TestMessage.encode_json(m, :emit_defaults => true)
613
614      assert_equal expected, JSON.parse(actual, :symbolize_names => true)
615    end
616
617    def test_respond_to
618      msg = MapMessage.new
619      assert msg.respond_to?(:map_string_int32)
620      assert !msg.respond_to?(:bacon)
621    end
622
623    def test_file_descriptor
624      file_descriptor = TestMessage.descriptor.file_descriptor
625      assert nil != file_descriptor
626      assert_equal "tests/basic_test.proto", file_descriptor.name
627      assert_equal :proto3, file_descriptor.syntax
628
629      file_descriptor = TestEnum.descriptor.file_descriptor
630      assert nil != file_descriptor
631      assert_equal "tests/basic_test.proto", file_descriptor.name
632      assert_equal :proto3, file_descriptor.syntax
633    end
634
635    # Ruby 2.5 changed to raise FrozenError instead of RuntimeError
636    FrozenErrorType = Gem::Version.new(RUBY_VERSION) < Gem::Version.new('2.5') ? RuntimeError : FrozenError
637
638    def test_map_freeze
639      m = proto_module::MapMessage.new
640      m.map_string_int32['a'] = 5
641      m.map_string_msg['b'] = proto_module::TestMessage2.new
642
643      m.map_string_int32.freeze
644      m.map_string_msg.freeze
645
646      assert m.map_string_int32.frozen?
647      assert m.map_string_msg.frozen?
648
649      assert_raise(FrozenErrorType) { m.map_string_int32['foo'] = 1 }
650      assert_raise(FrozenErrorType) { m.map_string_msg['bar'] = proto_module::TestMessage2.new }
651      assert_raise(FrozenErrorType) { m.map_string_int32.delete('a') }
652      assert_raise(FrozenErrorType) { m.map_string_int32.clear }
653    end
654
655    def test_map_length
656      m = proto_module::MapMessage.new
657      assert_equal 0, m.map_string_int32.length
658      assert_equal 0, m.map_string_msg.length
659      assert_equal 0, m.map_string_int32.size
660      assert_equal 0, m.map_string_msg.size
661
662      m.map_string_int32['a'] = 1
663      m.map_string_int32['b'] = 2
664      m.map_string_msg['a'] = proto_module::TestMessage2.new
665      assert_equal 2, m.map_string_int32.length
666      assert_equal 1, m.map_string_msg.length
667      assert_equal 2, m.map_string_int32.size
668      assert_equal 1, m.map_string_msg.size
669    end
670
671    def test_string_with_singleton_class_enabled
672      str = 'foobar'
673      # NOTE: Accessing a singleton class of an object changes its low level class representation
674      #       as far as the C API's CLASS_OF() method concerned, exposing the issue
675      str.singleton_class
676      m = proto_module::TestMessage.new(
677        optional_string: str,
678        optional_bytes: str
679      )
680
681      assert_equal str, m.optional_string
682      assert_equal str, m.optional_bytes
683    end
684
685    def test_utf8
686      m = proto_module::TestMessage.new(
687        optional_string: "µpb",
688      )
689      m2 = proto_module::TestMessage.decode(proto_module::TestMessage.encode(m))
690      assert_equal m2, m
691    end
692
693    def test_map_fields_respond_to? # regression test for issue 9202
694      msg = proto_module::MapMessage.new
695      assert msg.respond_to?(:map_string_int32=)
696      msg.map_string_int32 = Google::Protobuf::Map.new(:string, :int32)
697      assert msg.respond_to?(:map_string_int32)
698      assert_equal( Google::Protobuf::Map.new(:string, :int32), msg.map_string_int32 )
699      assert msg.respond_to?(:clear_map_string_int32)
700      msg.clear_map_string_int32
701
702      assert !msg.respond_to?(:has_map_string_int32?)
703      assert_raise NoMethodError do
704        msg.has_map_string_int32?
705      end
706      assert !msg.respond_to?(:map_string_int32_as_value)
707      assert_raise NoMethodError do
708        msg.map_string_int32_as_value
709      end
710      assert !msg.respond_to?(:map_string_int32_as_value=)
711      assert_raise NoMethodError do
712        msg.map_string_int32_as_value = :boom
713      end
714    end
715  end
716
717  def test_oneof_fields_respond_to? # regression test for issue 9202
718    msg = proto_module::OneofMessage.new
719    # `has_` prefix + "?" suffix actions should only work for oneofs fields.
720    assert msg.has_my_oneof?
721    assert msg.respond_to? :has_my_oneof?
722    assert !msg.respond_to?( :has_a? )
723    assert_raise NoMethodError do
724      msg.has_a?
725    end
726    assert !msg.respond_to?( :has_b? )
727    assert_raise NoMethodError do
728      msg.has_b?
729    end
730    assert !msg.respond_to?( :has_c? )
731    assert_raise NoMethodError do
732      msg.has_c?
733    end
734    assert !msg.respond_to?( :has_d? )
735    assert_raise NoMethodError do
736      msg.has_d?
737    end
738  end
739end
740