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体验新版 GitCode,发现更多精彩内容 >>
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1a2870c0
编写于
7月 17, 2017
作者:
S
Sean Griffin
提交者:
Lisa Ugray
7月 17, 2017
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Merge pull request #29757 from lugray/hash_with_indifferent_access_default
Fix HashWithIndifferentAccess#default when include?(nil)
上级
6d16ab86
变更
2
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2 changed file
with
56 addition
and
10 deletion
+56
-10
activesupport/lib/active_support/hash_with_indifferent_access.rb
...upport/lib/active_support/hash_with_indifferent_access.rb
+30
-10
activesupport/test/core_ext/hash_ext_test.rb
activesupport/test/core_ext/hash_ext_test.rb
+26
-0
未找到文件。
activesupport/lib/active_support/hash_with_indifferent_access.rb
浏览文件 @
1a2870c0
...
...
@@ -74,16 +74,6 @@ def initialize(constructor = {})
end
end
def
default
(
*
args
)
arg_key
=
args
.
first
if
include
?(
key
=
convert_key
(
arg_key
))
self
[
key
]
else
super
end
end
def
self
.
[]
(
*
args
)
new
.
merge!
(
Hash
[
*
args
])
end
...
...
@@ -185,6 +175,36 @@ def fetch(key, *extras)
super
(
convert_key
(
key
),
*
extras
)
end
if
Hash
.
new
.
respond_to?
(
:dig
)
# Same as <tt>Hash#dig</tt> where the key passed as argument can be
# either a string or a symbol:
#
# counters = ActiveSupport::HashWithIndifferentAccess.new
# counters[:foo] = { bar: 1 }
#
# counters.dig('foo', 'bar') # => 1
# counters.dig(:foo, :bar) # => 1
# counters.dig(:zoo) # => nil
def
dig
(
*
args
)
args
[
0
]
=
convert_key
(
args
[
0
])
if
args
.
size
>
0
super
(
*
args
)
end
end
# Same as <tt>Hash#default</tt> where the key passed as argument can be
# either a string or a symbol:
#
# hash = ActiveSupport::HashWithIndifferentAccess.new(1)
# hash.default # => 1
#
# hash = ActiveSupport::HashWithIndifferentAccess.new { |hash, key| key }
# hash.default # => nil
# hash.default('foo') # => 'foo'
# hash.default(:foo) # => 'foo'
def
default
(
*
args
)
super
(
*
args
.
map
{
|
arg
|
convert_key
(
arg
)
})
end
# Returns an array of the values at the specified indices:
#
# hash = ActiveSupport::HashWithIndifferentAccess.new
...
...
activesupport/test/core_ext/hash_ext_test.rb
浏览文件 @
1a2870c0
...
...
@@ -729,6 +729,32 @@ def test_nested_dig_indifferent_access
assert_equal
1234
,
data
.
dig
(
:this
,
:views
)
end
def
test_argless_default_with_existing_nil_key
h
=
Hash
.
new
(
:default
).
merge
(
nil
=>
"defined"
).
with_indifferent_access
assert_equal
:default
,
h
.
default
end
def
test_default_with_argument
h
=
Hash
.
new
{
5
}.
merge
(
1
=>
2
).
with_indifferent_access
assert_equal
5
,
h
.
default
(
1
)
end
def
test_default_proc
h
=
ActiveSupport
::
HashWithIndifferentAccess
.
new
{
|
hash
,
key
|
key
}
assert_nil
h
.
default
assert_equal
"foo"
,
h
.
default
(
"foo"
)
assert_equal
"foo"
,
h
.
default
(
:foo
)
end
def
test_double_conversion_with_nil_key
h
=
{
nil
=>
"defined"
}.
with_indifferent_access
.
with_indifferent_access
assert_equal
nil
,
h
[
:undefined_key
]
end
def
test_assert_valid_keys
assert_nothing_raised
do
{
failure:
"stuff"
,
funny:
"business"
}.
assert_valid_keys
([
:failure
,
:funny
])
...
...
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