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前往新版Gitcode,体验更适合开发者的 AI 搜索 >>
提交
70d3c384
编写于
6月 20, 2017
作者:
R
Rafael França
提交者:
GitHub
6月 20, 2017
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差异文件
Merge pull request #28833 from bogdanvlviv/add-test-cases-for-optimistic-locking
Add test cases for optimistic locking
上级
f006edeb
89d562ed
变更
2
显示空白变更内容
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Showing
2 changed file
with
23 addition
and
3 deletion
+23
-3
activerecord/lib/active_record/locking/optimistic.rb
activerecord/lib/active_record/locking/optimistic.rb
+4
-3
activerecord/test/cases/locking_test.rb
activerecord/test/cases/locking_test.rb
+19
-0
未找到文件。
activerecord/lib/active_record/locking/optimistic.rb
浏览文件 @
70d3c384
...
...
@@ -62,8 +62,8 @@ def locking_enabled? #:nodoc:
def
increment_lock
lock_col
=
self
.
class
.
locking_column
previous_lock_value
=
send
(
lock_col
)
.
to_i
send
(
lock_col
+
"
="
,
previous_lock_value
+
1
)
previous_lock_value
=
send
(
lock_col
)
send
(
"
#{
lock_col
}
="
,
previous_lock_value
+
1
)
end
def
_create_record
(
attribute_names
=
self
.
attribute_names
,
*
)
...
...
@@ -107,7 +107,8 @@ def _update_record(attribute_names = self.attribute_names)
# If something went wrong, revert the locking_column value.
rescue
Exception
send
(
lock_col
+
"="
,
previous_lock_value
.
to_i
)
send
(
"
#{
lock_col
}
="
,
previous_lock_value
.
to_i
)
raise
end
end
...
...
activerecord/test/cases/locking_test.rb
浏览文件 @
70d3c384
...
...
@@ -167,6 +167,12 @@ def test_lock_new_when_explicitly_passing_nil
assert_equal
0
,
p1
.
lock_version
end
def
test_lock_new_when_explicitly_passing_value
p1
=
Person
.
new
(
first_name:
"Douglas Adams"
,
lock_version:
42
)
p1
.
save!
assert_equal
42
,
p1
.
lock_version
end
def
test_touch_existing_lock
p1
=
Person
.
find
(
1
)
assert_equal
0
,
p1
.
lock_version
...
...
@@ -186,6 +192,19 @@ def test_touch_stale_object
end
end
def
test_explicit_update_lock_column_raise_error
person
=
Person
.
find
(
1
)
assert_raises
(
ActiveRecord
::
StaleObjectError
)
do
person
.
first_name
=
"Douglas Adams"
person
.
lock_version
=
42
assert
person
.
lock_version_changed?
person
.
save
end
end
def
test_lock_column_name_existing
t1
=
LegacyThing
.
find
(
1
)
t2
=
LegacyThing
.
find
(
1
)
...
...
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