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# frozen_string_literal: true
RSpec.describe "adding methods" do # rubocop:disable RSpec/DescribeClass
let(:klass) { Class.new }
context "when class prepends MemoWise" do
subject { klass.send(:prepend, MemoWise) }
let(:expected_public_instance_methods) do
%i[
preset_memo_wise
reset_memo_wise
].to_set
end
let(:expected_public_class_methods) do
%i[
allocate
instance_method
memo_wise
preset_memo_wise
reset_memo_wise
].to_set
end
it "adds expected public *instance* methods only" do
expect { subject }.
to change { klass.public_instance_methods.to_set }.
by(expected_public_instance_methods)
end
it "adds no private *instance* methods" do
expect { subject }.
not_to change { klass.private_instance_methods.to_set }
end
it "adds expected public *class* methods only" do
expect { subject }.
to change { klass.singleton_methods.to_set }.
by(expected_public_class_methods)
end
it "adds no private *class* methods" do
expect { subject }.
not_to change { klass.singleton_class.private_methods.to_set }
end
# These test cases would fail due to a JRuby bug
# Skipping to make build pass until the bug is fixed
unless RUBY_PLATFORM == "java"
context "when a class method is memoized" do
subject do
klass.send(:prepend, MemoWise)
klass.send(:memo_wise, self: :example)
end
let(:klass) do
Class.new do
def self.example; end
end
end
let(:expected_public_class_methods) { super() << :inherited }
it "adds expected public *instance* methods only" do
expect { subject }.
to change { klass.singleton_methods.to_set }.
by(expected_public_class_methods)
end
end
end
end
end
|
