$ command line cheat sheets
Cheat Sheet Title: [ no_spaces_alphanumeric_only ]
Cheat Sheet:assert_difference is a nice clean assertion for your testing suite. To use: assert_difference 'Model.count' do # some action (probably create) that will increase Model.count by 1 end assert_difference 'Model.count', 23 do # some action that will increase Model.count by 23 end assert_difference 'Model.count', -1 do # something to decrease Model.count, probably a destroy call end You can even assert_difference of more than 1 value ala assert_difference ['Model.count', 'var_affected_by_same_action'] do #.... end
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