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-rw-r--r--spec/lib/banzai/filter/sanitization_filter_spec.rb12
1 files changed, 12 insertions, 0 deletions
diff --git a/spec/lib/banzai/filter/sanitization_filter_spec.rb b/spec/lib/banzai/filter/sanitization_filter_spec.rb
index d930c608b18..0b3c2390304 100644
--- a/spec/lib/banzai/filter/sanitization_filter_spec.rb
+++ b/spec/lib/banzai/filter/sanitization_filter_spec.rb
@@ -54,6 +54,18 @@ describe Banzai::Filter::SanitizationFilter do
expect(instance.whitelist[:transformers].size).to eq control_count
end
+ it 'customizes the whitelist only once for different instances' do
+ instance1 = described_class.new('Foo1')
+ instance2 = described_class.new('Foo2')
+ control_count = instance1.whitelist[:transformers].size
+
+ instance1.whitelist
+ instance2.whitelist
+
+ expect(instance1.whitelist[:transformers].size).to eq control_count
+ expect(instance2.whitelist[:transformers].size).to eq control_count
+ end
+
it 'sanitizes `class` attribute from all elements' do
act = %q{<pre class="code highlight white c"><code>&lt;span class="k"&gt;def&lt;/span&gt;</code></pre>}
exp = %q{<pre><code>&lt;span class="k"&gt;def&lt;/span&gt;</code></pre>}