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Cleaning up ActiveModel::Dirty tests 

* Clarifying what the #changed method returns
* Adding tests to describe what the #changed_attributes returns
* Updating test name based on pull request comment
* Moving the test lower in the file per pull request comment
This commit is contained in:
Attila Domokos 2013-01-14 15:03:42 -05:00
parent bf095770e5
commit 63333e600f
1 changed files with 12 additions and 1 deletions
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13
activemodel/test/cases/dirty_test.rb
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@ -46,7 +46,7 @@ class DirtyTest < ActiveModel::TestCase
assert @model.name_changed?
end
test "list of changed attributes" do
test "list of changed attribute keys" do
assert_equal [], @model.changed
@model.name = "Paul"
assert_equal ['name'], @model.changed
@ -106,6 +106,17 @@ class DirtyTest < ActiveModel::TestCase
assert_equal [nil, "Jericho Cane"], @model.previous_changes['name']
end
test "previous value is preserved when changed after save" do
assert_equal({}, @model.changed_attributes)
@model.name = "Paul"
assert_equal({ "name" => nil }, @model.changed_attributes)
@model.save
@model.name = "John"
assert_equal({ "name" => "Paul" }, @model.changed_attributes)
end
test "changing the same attribute multiple times retains the correct original value" do
@model.name = "Otto"
@model.save