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require 'spec_helper'
require 'mspec/guards'
RSpec.describe Object, "#not_supported_on" do
before :each do
ScratchPad.clear
end
it "raises an Exception when passed :ruby" do
stub_const "RUBY_ENGINE", "jruby"
expect {
not_supported_on(:ruby) { ScratchPad.record :yield }
}.to raise_error(Exception)
expect(ScratchPad.recorded).not_to eq(:yield)
end
it "does not yield when #implementation? returns true" do
stub_const "RUBY_ENGINE", "jruby"
not_supported_on(:jruby) { ScratchPad.record :yield }
expect(ScratchPad.recorded).not_to eq(:yield)
end
it "yields when #standard? returns true" do
stub_const "RUBY_ENGINE", "ruby"
not_supported_on(:rubinius) { ScratchPad.record :yield }
expect(ScratchPad.recorded).to eq(:yield)
end
it "yields when #implementation? returns false" do
stub_const "RUBY_ENGINE", "jruby"
not_supported_on(:rubinius) { ScratchPad.record :yield }
expect(ScratchPad.recorded).to eq(:yield)
end
end
RSpec.describe Object, "#not_supported_on" do
before :each do
@guard = SupportedGuard.new
allow(SupportedGuard).to receive(:new).and_return(@guard)
end
it "sets the name of the guard to :not_supported_on" do
not_supported_on(:rubinius) { }
expect(@guard.name).to eq(:not_supported_on)
end
it "calls #unregister even when an exception is raised in the guard block" do
expect(@guard).to receive(:match?).and_return(false)
expect(@guard).to receive(:unregister)
expect do
not_supported_on(:rubinius) { raise Exception }
end.to raise_error(Exception)
end
end
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