require "spec_helper"
module GhostInThePost
describe PhantomTransform do
let(:html){""}
let(:js){"(function(){document.getElementById('test').innerHTML='complete';})()"}
let(:included_scripts){["application.js"]}
subject {PhantomTransform.new(html, nil, nil,included_scripts)}
before :each do
GhostInThePost.config = {phantomjs_path: "this/is/path"}
allow_message_expectations_on_nil
end
describe "#initialize" do
it "should create a new JSInline" do
expect(JsInline).to receive(:new).with(html, included_scripts).and_call_original
t = PhantomTransform.new(html, nil, nil,included_scripts)
expect(t.instance_variable_get(:@inliner)).to be_a(JsInline)
end
it "should set the timeout" do
pt = PhantomTransform.new(html, 45, nil, included_scripts)
expect(pt.instance_variable_get(:@timeout)).to eq(45)
end
it "should set the default timeout if none given" do
pt = PhantomTransform.new(html, nil, nil, included_scripts)
expect(pt.instance_variable_get(:@timeout)).to eq(GhostInThePost.timeout)
end
it "should set the wait event" do
pt = PhantomTransform.new(html, nil, "my wait", included_scripts)
expect(pt.instance_variable_get(:@wait_event)).to eq("my wait")
end
it "should set the default wait event if none given" do
pt = PhantomTransform.new(html, nil, nil, included_scripts)
expect(pt.instance_variable_get(:@wait_event)).to eq(GhostInThePost.wait_event)
end
end
describe "#transform" do
before :each do
@inliner = JsInline.new(html)
allow(@inliner).to receive(:inline)
allow(JsInline).to receive(:new){@inliner}
end
it "should call IO.popen with arguments" do
expect(IO).to receive(:popen).with([
GhostInThePost.phantomjs_path,
GhostInThePost::PhantomTransform::PHANTOMJS_SCRIPT,
@inliner.html,
"1000",
"ghost_in_the_post:done",
]).and_return html
subject.transform
end
it "should check if there is an error from phantom" do
allow(IO).to receive(:popen).and_return PhantomTransform::ERROR_TAG
expect{subject.transform}.to raise_error GhostJSError
end
it "should remove script tags if config set" do
GhostInThePost.config = {phantomjs_path: "this/is/path", remove_js_tags: true}
allow(IO).to receive(:popen).and_return ""
expect(@inliner).to receive(:remove_all_script)
subject.transform
end
end
end
end