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Contents
require_relative 'helper'
module Psych
class TestHash < TestCase
class X < Hash
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_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
end
end
Version data entries
12 entries across 12 versions & 2 rubygems