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前往新版Gitcode,体验更适合开发者的 AI 搜索 >>
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提交
5bf8b3e0
编写于
9月 20, 2020
作者:
E
Eugene Kenny
提交者:
GitHub
9月 20, 2020
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差异文件
Merge pull request #40235 from SampsonCrowley/fix_becomes_initialization
move ActiveRecord::Persistence#becomes logic into initialize block
上级
7cdc1744
bdaeee19
变更
3
隐藏空白更改
内联
并排
Showing
3 changed file
with
27 addition
and
6 deletion
+27
-6
activerecord/lib/active_record/persistence.rb
activerecord/lib/active_record/persistence.rb
+9
-6
activerecord/test/cases/inheritance_test.rb
activerecord/test/cases/inheritance_test.rb
+10
-0
activerecord/test/models/vegetables.rb
activerecord/test/models/vegetables.rb
+8
-0
未找到文件。
activerecord/lib/active_record/persistence.rb
浏览文件 @
5bf8b3e0
...
...
@@ -569,12 +569,15 @@ def destroy!
# If you want to change the sti column as well, use #becomes! instead.
def
becomes
(
klass
)
became
=
klass
.
allocate
became
.
send
(
:initialize
)
became
.
instance_variable_set
(
:@attributes
,
@attributes
)
became
.
instance_variable_set
(
:@mutations_from_database
,
@mutations_from_database
||=
nil
)
became
.
instance_variable_set
(
:@new_record
,
new_record?
)
became
.
instance_variable_set
(
:@destroyed
,
destroyed?
)
became
.
errors
.
copy!
(
errors
)
became
.
send
(
:initialize
)
do
|
becoming
|
becoming
.
instance_variable_set
(
:@attributes
,
@attributes
)
becoming
.
instance_variable_set
(
:@mutations_from_database
,
@mutations_from_database
||=
nil
)
becoming
.
instance_variable_set
(
:@new_record
,
new_record?
)
becoming
.
instance_variable_set
(
:@destroyed
,
destroyed?
)
becoming
.
errors
.
copy!
(
errors
)
end
became
end
...
...
activerecord/test/cases/inheritance_test.rb
浏览文件 @
5bf8b3e0
...
...
@@ -227,6 +227,16 @@ def test_alt_becomes_works_with_sti
assert_kind_of
Cabbage
,
cabbage
end
def
test_becomes_sets_variables_before_initialization_callbacks
vegetable
=
Vegetable
.
create!
(
name:
"yelling carrot"
)
assert_kind_of
Vegetable
,
vegetable
assert_equal
"yelling carrot"
,
vegetable
.
name
yelling_veggie
=
vegetable
.
becomes
(
YellingVegetable
)
assert_equal
"YELLING CARROT"
,
yelling_veggie
.
name
,
"YellingVegetable name should be YELLING CARROT"
assert_equal
"YELLING CARROT"
,
vegetable
.
name
,
"Vegetable name should be YELLING CARROT after becoming a YellingVegetable"
end
def
test_becomes_and_change_tracking_for_inheritance_columns
cucumber
=
Vegetable
.
find
(
1
)
cabbage
=
cucumber
.
becomes!
(
Cabbage
)
...
...
activerecord/test/models/vegetables.rb
浏览文件 @
5bf8b3e0
...
...
@@ -23,3 +23,11 @@ class KingCole < GreenCabbage
class
RedCabbage
<
Cabbage
belongs_to
:seller
,
class_name:
"Company"
end
class
YellingVegetable
<
Vegetable
after_initialize
:format_name
def
format_name
self
.
name
=
name
&
.
upcase
end
end
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