discourse/spec/components/email/styles_spec.rb

126 lines
3.6 KiB
Ruby

require 'spec_helper'
require 'email'
describe Email::Styles do
def basic_fragment(html)
styler = Email::Styles.new(html)
styler.format_basic
Nokogiri::HTML.fragment(styler.to_html)
end
def html_fragment(html)
styler = Email::Styles.new(html)
styler.format_basic
styler.format_html
Nokogiri::HTML.fragment(styler.to_html)
end
context "basic formatter" do
it "works with an empty string" do
style = Email::Styles.new("")
style.format_basic
expect(style.to_html).to be_blank
end
it "adds a max-width to images" do
frag = basic_fragment("<img src='gigantic.jpg'>")
expect(frag.at("img")["style"]).to match("max-width")
end
it "adds a width and height to images with an emoji path" do
frag = basic_fragment("<img src='/plugins/emoji/fish.png' class='emoji'>")
expect(frag.at("img")["width"]).to eq("20")
expect(frag.at("img")["height"]).to eq("20")
end
it "converts relative paths to absolute paths" do
frag = basic_fragment("<img src='/some-image.png'>")
expect(frag.at("img")["src"]).to eq("#{Discourse.base_url}/some-image.png")
end
it "strips classes and ids" do
frag = basic_fragment("<div class='foo' id='bar'><div class='foo' id='bar'></div></div>")
expect(frag.to_html).to eq("<div><div></div></div>")
end
end
context "html template formatter" do
it "works with an empty string" do
style = Email::Styles.new("")
style.format_html
expect(style.to_html).to be_blank
end
it "attaches a style to h3 tags" do
frag = html_fragment("<h3>hello</h3>")
expect(frag.at('h3')['style']).to be_present
end
it "attaches a style to hr tags" do
frag = html_fragment("hello<hr>")
expect(frag.at('hr')['style']).to be_present
end
it "attaches a style to a tags" do
frag = html_fragment("<a href='#'>wat</a>")
expect(frag.at('a')['style']).to be_present
end
it "attaches a style to a tags" do
frag = html_fragment("<a href='#'>wat</a>")
expect(frag.at('a')['style']).to be_present
end
it "attaches a style to ul and li tags" do
frag = html_fragment("<ul><li>hello</li></ul>")
expect(frag.at('ul')['style']).to be_present
expect(frag.at('li')['style']).to be_present
end
end
context "rewriting protocol relative URLs to the forum" do
it "doesn't rewrite a url to another site" do
frag = html_fragment('<a href="//youtube.com/discourse">hello</a>')
frag.at('a')['href'].should == "//youtube.com/discourse"
end
context "without https" do
before do
SiteSetting.stubs(:use_https).returns(false)
end
it "rewrites the href to have http" do
frag = html_fragment('<a href="//test.localhost/discourse">hello</a>')
frag.at('a')['href'].should == "http://test.localhost/discourse"
end
it "rewrites the src to have http" do
frag = html_fragment('<img src="//test.localhost/blah.jpg">')
frag.at('img')['src'].should == "http://test.localhost/blah.jpg"
end
end
context "with https" do
before do
SiteSetting.stubs(:use_https).returns(true)
end
it "rewrites the forum URL to have http" do
frag = html_fragment('<a href="//test.localhost/discourse">hello</a>')
frag.at('a')['href'].should == "https://test.localhost/discourse"
end
it "rewrites the src to have https" do
frag = html_fragment('<img src="//test.localhost/blah.jpg">')
frag.at('img')['src'].should == "https://test.localhost/blah.jpg"
end
end
end
end