mirror of
https://github.com/ruby/ruby.git
synced 2022-11-09 12:17:21 -05:00
267 lines
6.4 KiB
Ruby
267 lines
6.4 KiB
Ruby
# frozen_string_literal: true
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require 'test/unit'
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require 'ostruct'
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class TC_OpenStruct < Test::Unit::TestCase
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def test_initialize
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h = {name: "John Smith", age: 70, pension: 300}
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assert_equal h, OpenStruct.new(h).to_h
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assert_equal h, OpenStruct.new(OpenStruct.new(h)).to_h
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assert_equal h, OpenStruct.new(Struct.new(*h.keys).new(*h.values)).to_h
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end
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def test_respond_to
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o = OpenStruct.new
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o.a = 1
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assert_respond_to(o, :a)
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assert_respond_to(o, :a=)
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end
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def test_respond_to_with_lazy_getter
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o = OpenStruct.new a: 1
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assert_respond_to(o, :a)
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assert_respond_to(o, :a=)
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end
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def test_respond_to_allocated
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assert_not_respond_to(OpenStruct.allocate, :a)
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end
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def test_equality
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o1 = OpenStruct.new
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o2 = OpenStruct.new
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assert_equal(o1, o2)
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o1.a = 'a'
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assert_not_equal(o1, o2)
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o2.a = 'a'
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assert_equal(o1, o2)
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o1.a = 'b'
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assert_not_equal(o1, o2)
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o2 = Object.new
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o2.instance_eval{@table = {:a => 'b'}}
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assert_not_equal(o1, o2)
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end
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def test_inspect
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foo = OpenStruct.new
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assert_equal("#<OpenStruct>", foo.inspect)
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foo.bar = 1
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foo.baz = 2
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assert_equal("#<OpenStruct bar=1, baz=2>", foo.inspect)
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assert_equal(false, foo.inspect.frozen?)
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foo = OpenStruct.new
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foo.bar = OpenStruct.new
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assert_equal('#<OpenStruct bar=#<OpenStruct>>', foo.inspect)
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foo.bar.foo = foo
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assert_equal('#<OpenStruct bar=#<OpenStruct foo=#<OpenStruct ...>>>', foo.inspect)
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assert_equal(false, foo.inspect.frozen?)
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end
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def test_frozen
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o = OpenStruct.new(foo: 42)
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o.a = 'a'
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o.freeze
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assert_raise(FrozenError) {o.b = 'b'}
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assert_not_respond_to(o, :b)
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assert_raise(FrozenError) {o.a = 'z'}
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assert_equal('a', o.a)
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assert_equal(42, o.foo)
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o = OpenStruct.new :a => 42
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def o.frozen?; nil end
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o.freeze
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assert_raise(FrozenError, '[ruby-core:22559]') {o.a = 1764}
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end
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def test_delete_field
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bug = '[ruby-core:33010]'
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o = OpenStruct.new
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assert_not_respond_to(o, :a)
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assert_not_respond_to(o, :a=)
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o.a = 'a'
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assert_respond_to(o, :a)
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assert_respond_to(o, :a=)
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a = o.delete_field :a
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assert_not_respond_to(o, :a, bug)
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assert_not_respond_to(o, :a=, bug)
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assert_equal(a, 'a')
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s = Object.new
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def s.to_sym
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:foo
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end
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o[s] = true
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assert_respond_to(o, :foo)
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assert_respond_to(o, :foo=)
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o.delete_field s
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assert_not_respond_to(o, :foo)
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assert_not_respond_to(o, :foo=)
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end
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def test_setter
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os = OpenStruct.new
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os[:foo] = :bar
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assert_equal :bar, os.foo
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os['foo'] = :baz
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assert_equal :baz, os.foo
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end
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def test_getter
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os = OpenStruct.new
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os.foo = :bar
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assert_equal :bar, os[:foo]
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assert_equal :bar, os['foo']
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end
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def test_dig
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os1 = OpenStruct.new
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os2 = OpenStruct.new
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os1.child = os2
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os2.foo = :bar
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os2.child = [42]
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assert_equal :bar, os1.dig("child", :foo)
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assert_nil os1.dig("parent", :foo)
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assert_raise(TypeError) { os1.dig("child", 0) }
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end
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def test_to_h
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h = {name: "John Smith", age: 70, pension: 300}
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os = OpenStruct.new(h)
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to_h = os.to_h
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assert_equal(h, to_h)
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to_h[:age] = 71
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assert_equal(70, os.age)
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assert_equal(70, h[:age])
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assert_equal(h, OpenStruct.new("name" => "John Smith", "age" => 70, pension: 300).to_h)
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end
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def test_to_h_with_block
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os = OpenStruct.new("country" => "Australia", :capital => "Canberra")
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assert_equal({"country" => "AUSTRALIA", "capital" => "CANBERRA" },
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os.to_h {|name, value| [name.to_s, value.upcase]})
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assert_equal("Australia", os.country)
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end
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def test_each_pair
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h = {name: "John Smith", age: 70, pension: 300}
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os = OpenStruct.new(h)
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assert_same os, os.each_pair{ }
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assert_equal '#<Enumerator: #<OpenStruct name="John Smith", age=70, pension=300>:each_pair>', os.each_pair.inspect
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assert_equal [[:name, "John Smith"], [:age, 70], [:pension, 300]], os.each_pair.to_a
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assert_equal 3, os.each_pair.size
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end
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def test_eql_and_hash
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os1 = OpenStruct.new age: 70
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os2 = OpenStruct.new age: 70.0
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assert_equal os1, os2
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assert_equal false, os1.eql?(os2)
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assert_not_equal os1.hash, os2.hash
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assert_equal true, os1.eql?(os1.dup)
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assert_equal os1.hash, os1.dup.hash
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end
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def test_method_missing
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os = OpenStruct.new
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e = assert_raise(NoMethodError) { os.foo true }
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assert_equal :foo, e.name
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assert_equal [true], e.args
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assert_match(/#{__callee__}/, e.backtrace[0])
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e = assert_raise(ArgumentError) { os.send :foo=, true, true }
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assert_match(/#{__callee__}/, e.backtrace[0])
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end
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def test_accessor_defines_method
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os = OpenStruct.new(foo: 42)
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assert_respond_to(os, :foo)
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assert_equal(42, os.foo)
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assert_equal([:foo, :foo=], os.singleton_methods.sort)
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end
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def test_does_not_redefine
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os = OpenStruct.new(foo: 42)
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def os.foo
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43
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end
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os.foo = 44
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assert_equal(43, os.foo)
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end
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def test_allocate_subclass
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bug = '[ruby-core:80292] [Bug #13358] allocate should not call initialize'
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c = Class.new(OpenStruct) {
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def initialize(x,y={})super(y);end
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}
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os = assert_nothing_raised(ArgumentError, bug) {c.allocate}
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assert_instance_of(c, os)
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end
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def test_private_method
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os = OpenStruct.new
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class << os
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private
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def foo
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end
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end
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assert_raise_with_message(NoMethodError, /private method/) do
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os.foo true, true
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end
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end
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def test_protected_method
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os = OpenStruct.new
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class << os
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protected
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def foo
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end
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end
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assert_raise_with_message(NoMethodError, /protected method/) do
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os.foo true, true
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end
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end
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def test_access_undefined
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os = OpenStruct.new
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assert_nil os.foo
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end
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def test_overridden_private_methods
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os = OpenStruct.new(puts: :foo, format: :bar)
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assert_equal(:foo, os.puts)
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assert_equal(:bar, os.format)
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end
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def test_overridden_public_methods
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os = OpenStruct.new(method: :foo, class: :bar)
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assert_equal(:foo, os.method)
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assert_equal(:bar, os.class)
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end
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def test_access_original_methods
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os = OpenStruct.new(method: :foo)
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assert_equal(os.object_id, os.method!(:object_id).call)
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end
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def test_mistaken_subclass
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sub = Class.new(OpenStruct) do
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def [](k)
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__send__(k)
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super
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end
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def []=(k, v)
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@item_set = true
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__send__("#{k}=", v)
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super
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end
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end
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o = sub.new
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o.foo = 42
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assert_equal 42, o.foo
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end
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end
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