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
|
# frozen_string_literal: true
require_relative 'helper'
module Psych
class TestHash < TestCase
class X < Hash
end
class HashWithIvar < Hash
def initialize
@keys = []
super
end
def []=(k, v)
@keys << k
super(k, v)
end
end
class HashWithCustomInit < Hash
attr_reader :obj
def initialize(obj)
@obj = obj
end
end
class HashWithCustomInitNoIvar < Hash
def initialize(obj)
# *shrug*
end
end
def setup
super
@hash = { :a => 'b' }
end
def test_hash_with_ivar
t1 = HashWithIvar.new
t1[:foo] = :bar
t2 = Psych.load(Psych.dump(t1))
assert_equal t1, t2
assert_cycle t1
end
def test_referenced_hash_with_ivar
a = [1,2,3,4,5]
t1 = [HashWithCustomInit.new(a)]
t1 << t1.first
assert_cycle t1
end
def test_custom_initialized
a = [1,2,3,4,5]
t1 = HashWithCustomInit.new(a)
t2 = Psych.load(Psych.dump(t1))
assert_equal t1, t2
assert_cycle t1
end
def test_custom_initialize_no_ivar
t1 = HashWithCustomInitNoIvar.new(nil)
t2 = Psych.load(Psych.dump(t1))
assert_equal t1, t2
assert_cycle t1
end
def test_hash_subclass_with_ivars
x = X.new
x[:a] = 'b'
x.instance_variable_set :@foo, 'bar'
dup = Psych.load Psych.dump x
assert_cycle x
assert_equal 'bar', dup.instance_variable_get(:@foo)
assert_equal X, dup.class
end
def test_load_with_class_syck_compatibility
hash = Psych.load "--- !ruby/object:Hash\n:user_id: 7\n:username: Lucas\n"
assert_equal({ user_id: 7, username: 'Lucas'}, hash)
end
def test_empty_subclass
assert_match "!ruby/hash:#{X}", Psych.dump(X.new)
x = Psych.load Psych.dump X.new
assert_equal X, x.class
end
def test_map
x = Psych.load "--- !map:#{X} { }\n"
assert_equal X, x.class
end
def test_self_referential
@hash['self'] = @hash
assert_cycle(@hash)
end
def test_cycles
assert_cycle(@hash)
end
def test_ref_append
hash = Psych.load(<<-eoyml)
---
foo: &foo
hello: world
bar:
<<: *foo
eoyml
assert_equal({"foo"=>{"hello"=>"world"}, "bar"=>{"hello"=>"world"}}, hash)
end
def test_key_deduplication
unless String.method_defined?(:-@) && (-("a" * 20)).equal?((-("a" * 20)))
skip "This Ruby implementation doesn't support string deduplication"
end
hashes = Psych.load(<<-eoyml)
---
- unique_identifier: 1
- unique_identifier: 2
eoyml
assert_same hashes[0].keys.first, hashes[1].keys.first
end
end
end
|