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Versions: 10
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Contents
require File.join(File.dirname(__FILE__), 'test_helper')
require 'workflow'
class OnErrorTest < Test::Unit::TestCase
# A class that does not handle errors in an error block
class NoErrorBlock
include Workflow
workflow do
state :first do
event :forward, :transitions_to => :second do
raise "This is some random runtime error"
end
end
state :second
end
end
# A class that handles errors in an error block
class ErrorBlock
attr_reader :errors
def initialize
@errors = {}
end
include Workflow
workflow do
state :first do
event :forward, :transitions_to => :second do
raise "This is some random runtime error"
end
end
state :second
on_error { |error, from, to, event, *args| @errors.merge!({:error => error.class, :from => from, :to => to, :event => event, :args => args}) }
end
end
test 'that an exception is raised if there is no associated on_error block' do
flow = NoErrorBlock.new
assert_raise( RuntimeError, "This is some random runtime error" ) { flow.forward! }
assert_equal(true, flow.first?)
end
test 'that on_error block is called when an exception is raised and the transition is halted' do
flow = ErrorBlock.new
assert_nothing_raised { flow.forward! }
assert_equal({:error => RuntimeError, :from=>:first, :to=>:second, :event=>:forward, :args=>[]}, flow.errors)
# transition should not happen
assert_equal(true, flow.first?)
end
end
Version data entries
10 entries across 10 versions & 3 rubygems