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# -*- coding: utf-8 -*-
require_relative 'helper'
describe(Delayer::Deferred) do
include TestUtils
before do
Delayer.default = Delayer.generate_class
end
describe 'auto execution Promise' do
it 'should include Promise result of Promise.graph' do
promise = Delayer::Deferred::Promise.new
assert_includes promise.graph, 'egg', ->{"[[#{promise.graph_draw}]]"}
assert_includes promise.graph, 'reserved', ->{"[[#{promise.graph_draw}]]"}
end
end
describe 'Promise' do
it 'should include Promise result of Promise.graph' do
promise = Delayer::Deferred::Promise.new(true)
assert_includes promise.graph, 'egg', ->{"[[#{promise.graph_draw}]]"}
assert_includes promise.graph, 'fresh', ->{"[[#{promise.graph_draw}]]"}
end
end
describe 'Chain' do
it 'should include ' do
promise = Delayer::Deferred::Promise.new.next{ ; }
assert_includes promise.graph, 'graph_test.rb', ->{"[[#{promise.graph_draw}]]"}
end
end
describe 'Awaiting' do
it 'await' do
promise_a = Delayer::Deferred::Promise.new(true).next{ |buf|
buf << :a
}.next{ |buf|
buf << :b
}.trap{ |buf|
buf << :c
}
promise_b = Delayer::Deferred::Promise.new.next{
+promise_a << :e
}.trap{ |buf|
buf << :f
}
eval_all_events
end
end
end
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