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require 'spec_helper'
def remove_last_describe_from_world
RSpec::world.example_groups.pop
end
def empty_example_group
RSpec::Core::ExampleGroup.describe(Object, 'Empty Behaviour Group') { }
remove_last_describe_from_world
end
module RSpec
module Mocks
describe "an expectation set on nil" do
it "issues a warning with file and line number information" do
expected_warning = %r%An expectation of :foo was set on nil. Called from #{__FILE__}:#{__LINE__+3}(:in .+)?. Use allow_message_expectations_on_nil to disable warnings.%
Kernel.should_receive(:warn).with(expected_warning)
nil.should_receive(:foo)
nil.foo
end
it "issues a warning when the expectation is negative" do
Kernel.should_receive(:warn)
nil.should_not_receive(:foo)
end
it "does not issue a warning when expectations are set to be allowed" do
allow_message_expectations_on_nil
Kernel.should_not_receive(:warn)
nil.should_receive(:foo)
nil.should_not_receive(:bar)
nil.foo
end
it 'does not call #nil? on a double extra times' do
dbl = double
dbl.should_receive(:nil?).once.and_return(false)
dbl.nil?
end
end
describe "#allow_message_expectations_on_nil" do
it "does not affect subsequent examples" do
example_group = ::RSpec::Core::ExampleGroup.describe
reporter = ::RSpec.configuration.reporter
example_group.it("when called in one example that doesn't end up setting an expectation on nil") do
allow_message_expectations_on_nil
end
example_group.it("should not effect the next example ran") do
Kernel.should_receive(:warn)
nil.should_receive(:foo)
nil.foo
end
expect(example_group.run reporter).to eq true
end
it 'doesnt error when marshalled' do
allow_message_expectations_on_nil
expect(Marshal.dump(nil)).to eq Marshal.dump_without_mocks(nil)
end
end
end
end
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