require_relative "spec_helper"
class RenderableMock
include Nyara::Renderable
def initialize
@result = ''
end
attr_reader :result
def send_chunk data
@result << data
end
end
module Nyara
describe [View, Renderable] do
before :all do
Config['views'] = __dir__ + '/views'
View.init
end
def render *xs
@instance = RenderableMock.new
view = View.new @instance, *xs
Fiber.new{ view.render }.resume
end
it "inline render with locals" do
render nil, nil, {a: 3}, erb: '<%= a %>'
assert_equal '3', @instance.result
end
it "file render" do
render 'show', nil, {a: 3}, {}
assert_equal '3', @instance.result
end
it "file render with layouts" do
render 'show', 'layout', {a: 3}, {}
assert_equal "3\n", @instance.result
end
it "raises for ambiguous template" do
assert_raise ArgumentError do
render 'edit', nil, nil, {}
end
render 'edit.slim', nil, nil, {}
assert_equal "slim:edit
", @instance.result.gsub(/\s/, '')
render 'edit.haml', nil, nil, {}
assert_equal "haml:edit
", @instance.result.gsub(/\s/, '')
end
context "fallback to tilt" do
it "inline render" do
render nil, nil, {a: 3}, {liquid: '{{a}}'}
assert_equal '3', @instance.result
end
it "forbids tilt layout" do
assert_raise RuntimeError do
render nil, 'invalid_layout', nil, {liquid: 'page'}
end
assert_raise RuntimeError do
render 'show', ['invalid_layout'], nil, {}
end
end
it "allows tilt page with stream-friendly layout" do
render nil, 'layout', nil, {liquid: 'page'}
assert_equal "page\n", @instance.result
end
end
it "stream render" do
@instance = RenderableMock.new
view = View.new @instance, nil, 'layout', nil, {erb: '<% 3.times do |i| %><%= i %><% Fiber.yield %><% end %>'}
v = view.stream
v.resume
assert_equal "0", @instance.result
v.resume
assert_equal "01", @instance.result
Fiber.new{ v.end }.resume
assert_equal "012\n", @instance.result
end
end
end