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require 'state'
require 'set'
require 'test/unit'
class TC_State < Test::Unit::TestCase
include UpState
Tony = State.new_type("tony", [Event.new("tonyup", {:tony => "tony"})], [], [:tony])
Mike = State.new_type("mike", [], [Dependency.new(Tony)])
ChainTop = State.new_type("chaintop", [], [Dependency.new(Tony, {:tony => "tony"}, {:tony => :bob}),
Dependency.new(Mike)])
#this state should never appear
Reversed = State.new_type("reversed", [Dependency.new(Tony)], [Event.new("tonyup", {:tony => "tony"})])
def put_states
foo = State.send(:class_variable_get, :@@states).map{ |x| x.to_s_color }
puts foo.sort.join(", ")
end
def assert_have_states(*s)
assert_equal(s.sort, State.get_all.map{ |x| x.to_s }.sort)
end
def assert_only_states(*s)
assert_have_states *s
assert_equal(State.get_all.size, s.size)
end
def setup
assert_only_states(
'TonyState{} (down)'
)
end
def teardown
State.release(:user)
State.release(:system)
end
def test_reversed
#this should never ever come up
Reversed.hold(:user)
assert_only_states(
'TonyState{} (down)'
)
end
def test_incomplete_hold
begin
Tony.hold(:user)
assert(false)
end
rescue AmbiguousRequest => e
assert(true)
end
def test_bogus_hold
begin
Tony.hold(:cookies)
assert(false)
end
rescue TypeError => e
assert(true)
end
def test_bogus_release
begin
State.process_event(Event.new("tonyup", {:tony => "tony"}))
Tony.release(:cookies)
assert(false)
end
rescue TypeError => e
assert(true)
end
def test_chained_dependencies
State.process_event(Event.new("tonyup", {:tony => "tony"}))
Mike.hold(:user)
ChainTop.hold(:system, {:bob => "tony"})
assert_only_states(
'TonyState{} (down)',
'ChaintopState{:bob=>"tony"} (up)',
'MikeState{} (up)',
'TonyState{:tony=>"tony"} (up)'
)
end
def test_chained_releases
test_chained_dependencies
ChainTop.release(:system)
Tony.release(:system)
end
end
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