hi,
can someone help me with understanding, why i can''t get my
set_sub_tree method to run correctly and what to do to make it work?
when i run the testcase below i get
---
D:\ruby\test>ruby test/unit/demo_test.rb
Loaded suite test/unit/demo_test
Started
F
Finished in 0.625 seconds.
1) Failure:
test_set_sub_tree(DemoTest) [test/unit/demo_test.rb:13]:
fails@4.
<200> expected but was
<100>.
1 tests, 4 assertions, 1 failures, 0 errors
---
why does it fail at all? why does it fail@4 but not fail@2 ???
am i using save incorrectly?
what do i need to make it work? what haven''t i read so i do not
understand the problem?
many thanx in advance,
siegi
FILE demo.rb:
---
class Demo < ActiveRecord::Base
acts_as_tree
def set_sub_tree(value)
self.value = value
self.save!
children.each { |child|
child.set_sub_tree(value)
}
end
end
FILE 001_create_demos.rb:
---
class CreateDemos < ActiveRecord::Migration
def self.up
create_table :demos do |t|
t.column "value", :integer
t.column "parent_id", :integer
end
end
def self.down
drop_table :demos
end
end
FILE demos.yml:
---
one:
id: 1
value: 0
two:
id: 2
value: 0
parent_id: 1
FILE demo_test.rb:
---
require File.dirname(__FILE__) + ''/../test_helper''
class DemoTest < Test::Unit::TestCase
fixtures :demos
def test_set_sub_tree
demos(:one).set_sub_tree(100)
assert_equal 100, demos(:one).value, "fails@1"
assert_equal 100, demos(:two).value, "fails@2"
demos(:one).set_sub_tree(200)
assert_equal 200, demos(:one).value, "fails@3"
assert_equal 200, demos(:two).value, "fails@4"
end
end
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