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Contents
# frozen_string_literal: true
require 'spec_helper'
describe Sinclair::MethodBuilder::StringMethodBuilder do
describe '#build' do
subject(:builder) do
described_class.new(klass, definition, type: type)
end
let(:klass) { Class.new }
let(:instance) { klass.new }
let(:value) { Random.rand }
let(:method_name) { :the_method }
let(:code) { value.to_s }
let(:options) { {} }
let(:definition) do
Sinclair::MethodDefinition.from(method_name, code, **options)
end
context 'when type is instance' do
let(:type) { Sinclair::MethodBuilder::INSTANCE_METHOD }
it do
expect { builder.build }
.to add_method(method_name).to(instance)
end
context 'when the method is built' do
before { builder.build }
it 'returns the result of the code when called' do
expect(instance.the_method).to eq(value)
end
it 'creates a method with no parameters' do
expect(instance.method(method_name).parameters)
.to be_empty
end
end
context 'when the method is built with parameters' do
let(:code) { 'a + b' }
let(:options) { { parameters: %i[a b] } }
before { builder.build }
it 'returns the result of the code when called' do
expect(instance.the_method(12, 23)).to eq(35)
end
it 'creates a method with no parameters' do
expect(instance.method(method_name).parameters)
.to eq([%i[req a], %i[req b]])
end
end
end
context 'when type is class' do
let(:type) { Sinclair::MethodBuilder::CLASS_METHOD }
it do
expect { builder.build }
.to add_class_method(method_name).to(klass)
end
context 'when the method is built' do
before { builder.build }
it 'returns the result of the code when called' do
expect(klass.the_method).to eq(value)
end
end
end
end
end
Version data entries
15 entries across 15 versions & 1 rubygems