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require 'eim_xml/dsl'
module Module.new::M # rubocop:disable Style/ClassAndModuleChildren
include EimXML
EDSL = EimXML::DSL
describe EimXML::DSL do
it 'scope is in instance of DSL' do
outer = inner = nil
e3 = e2 = nil
block_executed = false
e = EDSL.element(:out, k1: 'v1') do
outer = self
e2 = element(:in, k2: 'v2') do
block_executed = true
inner = self
e3 = element(:deep)
end
end
expect(block_executed).to be(true)
expect(outer).to be_a(EDSL)
expect(inner).to be_a(EDSL)
expect(outer).to equal(inner)
expect(e.name).to eq(:out)
expect(e[:k1]).to eq('v1')
expect(e[0].name).to eq(:in)
expect(e[0][:k2]).to eq('v2')
expect(e[0][0].name).to eq(:deep)
expect(e2).to equal(e[0])
expect(e3).to equal(e[0][0])
end
it '#comment' do
expect(Comment).to receive(:new).with('comment').and_return(:success)
expect(EDSL.comment('comment')).to eq(:success)
end
it '#import_variables' do
d = EDSL.new
o = Object.new
o.instance_variable_set('@v1', 1)
o.instance_variable_set('@v2', '2')
o.instance_variable_set('@_v3', :t)
o.instance_variable_set('@__v4', 4)
o.instance_variable_set('@_container', :t)
orig_c = d.instance_variable_get('@_container')
expect(d.import_variables(o)).to equal(d)
expect(d.instance_variable_get('@_container')).to eq(orig_c)
expect(d.instance_variables.map(&:to_s).sort).to eq(['@v1', '@v2', '@__v4'].sort)
expect(d.instance_variable_get('@v1')).to eq(1)
expect(d.instance_variable_get('@v2')).to eq('2')
expect(d.instance_variable_get('@__v4')).to eq(4)
end
describe '#_push' do
before do
@dsl = Class.new(EimXML::DSL) do
def call_push(content)
_push(content) do
element(:e)
end
end
def exec
element(:e) do
element(:f)
end
end
end
end
it 'returns given container' do
a = []
expect(@dsl.new.call_push(a)).to equal(a)
expect(a).to eq([EimXML::Element.new(:e)])
expect(@dsl.new.exec).to eq(EimXML::Element.new(:e).add(EimXML::Element.new(:f)))
end
end
end
describe 'Subclass of BaseDSL' do
let(:dsl1) do
Class.new(EimXML::BaseDSL) do
register([EimXML::Element, 'call'])
register(Hash)
register(String, Array, Object)
end
end
it 'register' do
expect { EDSL.call(:dummy) }.to raise_error(NoMethodError)
expect { BaseDSL.call(:dummy) }.to raise_error(NoMethodError)
expect { dsl1.element(:dummy) }.to raise_error(NoMethodError)
expect(dsl1.call(:dummy)).to be_a(Element)
expect(dsl1.hash).to be_a(Hash)
expect(dsl1.string).to be_a(String)
expect(dsl1.array).to be_a(Array)
expect(dsl1.object).to be_a(Object)
end
end
describe EimXML::OpenDSL do
it 'scope of block is one of outside' do
@scope_checker_variable = 1
block_executed = false
OpenDSL.new do |dsl|
block_executed = true
expect(dsl).to be_a(OpenDSL)
expect(dsl.container).to be_nil
dsl.element(:base, key1: 'v1') do
expect(@scope_checker_variable).to eq(1)
expect(self).not_to be_a(Element)
expect(dsl.container).to be_a(Element)
expect(dsl.container).to eq(Element.new(:base, key1: 'v1'))
dsl.element(:sub, key2: 'v2') do
expect(dsl.container).to be_a(Element)
expect(dsl.container).to eq(Element.new(:sub, key2: 'v2'))
end
expect(dsl.element(:sub2)).to eq(Element.new(:sub2))
end
end
expect(block_executed).to be true
end
it 'DSL methods return element' do
d = OpenDSL.new
expect(d.container).to be_nil
r = d.element(:base, key1: 'v1') do
d.element(:sub, key2: 'v2')
end
expect(r).to eq(EDSL.element(:base, key1: 'v1') do
element(:sub, key2: 'v2')
end)
end
it "DSL method's block given instance of OpenDSL" do
e = OpenDSL.new.element(:base) do |d|
expect(d).to be_a(OpenDSL)
expect(d.container.name).to eq(:base)
d.element(:sub) do |d2|
expect(d2).to equal(d)
end
end
expect(e).to eq(EDSL.element(:base) do
element(:sub)
end)
end
it 'ensure reset container when error raised' do
OpenDSL.new do |d|
d.element(:base) do
d.element(:sub) do
raise 'OK'
end
rescue RuntimeError => e
raise unless e.message == 'OK'
expect(d.container.name).to eq(:base)
raise
end
rescue RuntimeError => e
raise unless e.message == 'OK'
expect(d.container).to be_nil
end
end
it 'respond to add' do
r = OpenDSL.new.element(:base) do |d|
d.add 'text'
d.element(:sub) do
s = Element.new(:sub)
s.add('sub text')
expect(d.add('sub text')).to eq(s)
end
end
expect(r).to eq(EDSL.element(:base) do
add 'text'
element(:sub) do
add 'sub text'
end
end)
end
it 'respond to <<' do
r = OpenDSL.new.element(:base) do |d|
b = Element.new(:base)
b << 'text' << 'next'
expect(d << 'text' << 'next').to eq(b)
end
expect(r).to eq(EDSL.element(:base) do
add 'text'
add 'next'
end)
end
it 'can call directly element method' do
r = OpenDSL.element(:base) do |d|
d.element(:sub)
d.element(:sub2)
end
expect(r).to eq(EDSL.element(:base) do
element(:sub)
element(:sub2)
end)
end
end
end
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