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require 'spec_helper'
describe "expection set on previously stubbed method" do
it "fails if message is not received after expectation is set" do
double = double(:msg => nil)
double.msg
double.should_receive(:msg)
expect { verify double }.to raise_error(RSpec::Mocks::MockExpectationError)
end
it "outputs arguments of similar calls" do
double = double('double', :foo => true)
double.should_receive(:foo).with('first')
double.foo('second')
double.foo('third')
expect {
verify double
}.to raise_error(%Q|Double "double" received :foo with unexpected arguments\n expected: ("first")\n got: ("second"), ("third")|)
reset double
end
context "with argument constraint on stub" do
it "matches any args if no arg constraint set on expectation" do
double = double("mock")
double.stub(:foo).with(3).and_return("stub")
double.should_receive(:foo).at_least(:once).and_return("expectation")
double.foo
verify double
end
it "matches specific args set on expectation" do
double = double("mock")
double.stub(:foo).with(3).and_return("stub")
double.should_receive(:foo).at_least(:once).with(4).and_return("expectation")
double.foo(4)
verify double
end
it "fails if expectation's arg constraint is not met" do
double = double("mock")
double.stub(:foo).with(3).and_return("stub")
double.should_receive(:foo).at_least(:once).with(4).and_return("expectation")
double.foo(3)
expect { verify double }.to raise_error(/expected: \(4\)\s+got: \(3\)/)
end
it 'distinguishes between individual values and arrays properly' do
dbl = double
dbl.stub(:foo).with('a', ['b'])
expect {
dbl.foo(['a'], 'b')
}.to raise_error { |e|
expect(e.message).to include('expected: ("a", ["b"])', 'got: (["a"], "b")')
}
end
end
end
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