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require "spec_helper"
module RSpec
module Mocks
describe ".allow_message" do
let(:subject) { Object.new }
it "sets up basic message allowance" do
expect {
::RSpec::Mocks.allow_message(subject, :basic)
}.to change {
subject.respond_to?(:basic)
}.to(true)
expect(subject.basic).to eq(nil)
end
it "sets up message allowance with params and return value" do
expect {
::RSpec::Mocks.allow_message(subject, :x).with(:in).and_return(:out)
}.to change {
subject.respond_to?(:x)
}.to(true)
expect(subject.x(:in)).to eq(:out)
end
it "supports block implementations" do
::RSpec::Mocks.allow_message(subject, :message) { :value }
expect(subject.message).to eq(:value)
end
it "does not set an expectation that the message will be received" do
::RSpec::Mocks.allow_message(subject, :message)
expect { verify subject }.not_to raise_error
end
end
describe ".expect_message" do
let(:subject) { Object.new }
it "sets up basic message expectation, verifies as uncalled" do
expect {
::RSpec::Mocks.expect_message(subject, :basic)
}.to change {
subject.respond_to?(:basic)
}.to(true)
expect { verify subject }.to raise_error(RSpec::Mocks::MockExpectationError)
end
it "fails if never is specified and the message is called" do
expect {
::RSpec::Mocks.expect_message(subject, :foo).never
subject.foo
}.to raise_error(/expected.*0 times/)
end
it "sets up basic message expectation, verifies as called" do
::RSpec::Mocks.expect_message(subject, :basic)
subject.basic
verify subject
end
it "sets up message expectation with params and return value" do
::RSpec::Mocks.expect_message(subject, :msg).with(:in).and_return(:out)
expect(subject.msg(:in)).to eq(:out)
verify subject
end
it "accepts a block implementation for the expected message" do
::RSpec::Mocks.expect_message(subject, :msg) { :value }
expect(subject.msg).to eq(:value)
verify subject
end
end
end
end
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