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Stored size: 926 Bytes
Contents
require "spec_helper"
describe "a double receiving to_ary" do
shared_examples "to_ary" do
it "returns nil" do
expect do
expect(obj.to_ary).to be_nil
end.to raise_error(NoMethodError)
end
it "doesn't respond" do
expect(obj).not_to respond_to(:to_ary)
end
it "can be overridden with a stub" do
obj.stub(:to_ary) { :non_nil_value }
expect(obj.to_ary).to be(:non_nil_value)
end
it "responds when overriden" do
obj.stub(:to_ary) { :non_nil_value }
expect(obj).to respond_to(:to_ary)
end
it "supports Array#flatten" do
obj = double('foo')
expect([obj].flatten).to eq([obj])
end
end
context "double as_null_object" do
let(:obj) { double('obj').as_null_object }
include_examples "to_ary"
end
context "double without as_null_object" do
let(:obj) { double('obj') }
include_examples "to_ary"
end
end
Version data entries
14 entries across 14 versions & 6 rubygems