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require 'spec_helper'
module RSpec
module Mocks
describe "#once" do
before(:each) do
@double = double
end
it "passes when called once" do
@double.should_receive(:do_something).once
@double.do_something
verify @double
end
it "passes when called once with specified args" do
@double.should_receive(:do_something).once.with("a", "b", "c")
@double.do_something("a", "b", "c")
verify @double
end
it "passes when called once with unspecified args" do
@double.should_receive(:do_something).once
@double.do_something("a", "b", "c")
verify @double
end
it "fails when called with wrong args" do
@double.should_receive(:do_something).once.with("a", "b", "c")
expect {
@double.do_something("d", "e", "f")
}.to raise_error(RSpec::Mocks::MockExpectationError)
reset @double
end
it "fails fast when called twice" do
@double.should_receive(:do_something).once
@double.do_something
expect {
@double.do_something
}.to raise_error(RSpec::Mocks::MockExpectationError)
end
it "fails when not called" do
@double.should_receive(:do_something).once
expect {
verify @double
}.to raise_error(RSpec::Mocks::MockExpectationError)
end
end
end
end
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