spec/lib/wysiwyg_sanitizer_spec.rb
require "rails_helper"
describe WYSIWYGSanitizer do
subject { WYSIWYGSanitizer.new }
describe "#sanitize" do
it "returns an html_safe string" do
expect(subject.sanitize("hello")).to be_html_safe
end
it "allows basic html formatting" do
html = "<p>This is <strong>a paragraph</strong></p>"
expect(subject.sanitize(html)).to eq(html)
end
it "allows links" do
html = '<p><a href="/">Home</a></p>'
expect(subject.sanitize(html)).to eq(html)
end
it "allows headings" do
html = "<h2>Objectives</h2><p>Fix flaky specs</p><h3>Explain why the test is flaky</h3>"
expect(subject.sanitize(html)).to eq(html)
end
it "filters out dangerous tags" do
html = "<p>This is <script>alert('dangerous');</script></p>"
expect(subject.sanitize(html)).to eq("<p>This is alert('dangerous');</p>")
end
it "filters images" do
html = "Dangerous<img src='/smile.png' alt='Smile' style='width: 10px';> image"
expect(subject.sanitize(html)).to eq("Dangerous image")
end
end
end