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require "helper/all"
describe EM::Synchrony do
describe "Multi" do
it "should require unique keys for each deferrable" do
lambda do
m = EM::Synchrony::Multi.new
m.add :df1, EM::DefaultDeferrable.new
m.add :df1, EM::DefaultDeferrable.new
end.should raise_error("Duplicate Multi key")
end
context "when defferable succeeded before adding" do
it "does not succeed twice" do
multi = EM::Synchrony::Multi.new
multi.should_receive(:succeed).once
slow = EM::DefaultDeferrable.new
multi.add :slow, slow
quick = EM::DefaultDeferrable.new
quick.succeed
multi.add :quick, quick
slow.succeed
end
end
end
end
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