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RSpec.describe Object, "#should" do
before(:example) do
@target = "target"
@matcher = double("matcher", :supports_value_expectations? => true)
allow(@matcher).to receive(:matches?).and_return(true)
allow(@matcher).to receive(:failure_message)
end
it "accepts and interacts with a matcher" do
expect(@matcher).to receive(:matches?).with(@target).and_return(true)
expect(@target).to @matcher
end
it "asks for a failure_message when matches? returns false" do
expect(@matcher).to receive(:matches?).with(@target).and_return(false)
expect(@matcher).to receive(:failure_message).and_return("the failure message")
expect {
expect(@target).to @matcher
}.to fail_with("the failure message")
end
context "on interpreters that have BasicObject", :if => defined?(BasicObject) do
let(:proxy_class) do
Class.new(BasicObject) do
def initialize(target)
@target = target
end
def proxied?
true
end
def respond_to?(method, *args)
method.to_sym == :proxied? || @target.respond_to?(symbol, *args)
end
def method_missing(name, *args)
@target.send(name, *args)
end
end
end
it 'works properly on BasicObject-subclassed proxy objects' do
expect(proxy_class.new(Object.new)).to be_proxied
end
it 'does not break the deprecation check on BasicObject-subclassed proxy objects' do
begin
should_enabled = RSpec::Expectations::Syntax.should_enabled?
RSpec::Expectations::Syntax.enable_should unless should_enabled
proxy_class.new(BasicObject.new).should be_proxied
ensure
RSpec::Expectations::Syntax.disable_should if should_enabled
end
end
end
end
RSpec.describe Object, "#should_not" do
before(:example) do
@target = "target"
@matcher = double("matcher", :supports_value_expectations? => true)
end
it "accepts and interacts with a matcher" do
expect(@matcher).to receive(:matches?).with(@target).and_return(false)
allow(@matcher).to receive(:failure_message_when_negated)
expect(@target).not_to @matcher
end
it "asks for a failure_message_when_negated when matches? returns true" do
expect(@matcher).to receive(:matches?).with(@target).and_return(true)
expect(@matcher).to receive(:failure_message_when_negated).and_return("the failure message for should not")
expect {
expect(@target).not_to @matcher
}.to fail_with("the failure message for should not")
end
end
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