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module RSpec
module Mocks
RSpec.describe TestDouble do
describe "#freeze" do
subject { double }
it "gives a warning" do
expect(RSpec).to receive(:warn_with).with(/freeze a test double/)
subject.freeze
end
it "gives the correct call site for the warning" do
expect_warning_with_call_site(__FILE__, __LINE__ + 1)
subject.freeze
end
it "doesn't freeze the object" do
allow(RSpec).to receive(:warn_with).with(/freeze a test double/)
double.freeze
allow(subject).to receive(:hi)
expect {
subject.hi
}.not_to raise_error
end
it "returns the instance of the test double" do
allow(RSpec).to receive(:warn_with).with(/freeze a test double/)
expect(subject.freeze).to eq subject
end
end
RSpec.shared_examples_for "a copy method" do |method|
it "copies the `as_null_object` state when #{method}'d" do
dbl = double.as_null_object
copy = dbl.__send__(method)
expect(copy.foo.bar).to be(copy)
end
end
include_examples "a copy method", :dup
include_examples "a copy method", :clone
[[:should, :expect], [:expect], [:should]].each do |syntax|
context "with syntax #{syntax.inspect}" do
include_context "with syntax", syntax
it 'stubs the methods passed in the stubs hash' do
dbl = double("MyDouble", :a => 5, :b => 10)
expect(dbl.a).to eq(5)
expect(dbl.b).to eq(10)
end
end
end
end
end
end
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