1 files changed, 46 insertions, 0 deletions
diff --git a/spec/support/shared_examples/banzai/filters/emoji_shared_examples.rb b/spec/support/shared_examples/banzai/filters/emoji_shared_examples.rb
new file mode 100644
index 00000000000..da305f5ccaa
--- /dev/null
+++ b/spec/support/shared_examples/banzai/filters/emoji_shared_examples.rb
@@ -0,0 +1,46 @@
+# frozen_string_literal: true
+
+RSpec.shared_examples 'emoji filter' do
+  it 'keeps whitespace intact' do
+    doc = filter("This deserves a #{emoji_name}, big time.")
+
+    expect(doc.to_html).to match(/^This deserves a <gl-emoji.+>, big time\.\z/)
+  end
+
+  it 'does not match emoji in a string' do
+    doc = filter("'2a00:a4c0#{emoji_name}:1'")
+
+    expect(doc.css('gl-emoji')).to be_empty
+  end
+
+  it 'ignores non existent/unsupported emoji' do
+    exp = '<p>:foo:</p>'
+    doc = filter(exp)
+
+    expect(doc.to_html).to eq(exp)
+  end
+
+  it 'matches with adjacent text' do
+    doc = filter("#{emoji_name.delete(':')} (#{emoji_name})")
+
+    expect(doc.css('gl-emoji').size).to eq 1
+  end
+
+  it 'does not match emoji in a pre tag' do
+    doc = filter("<p><pre>#{emoji_name}</pre></p>")
+
+    expect(doc.css('img')).to be_empty
+  end
+
+  it 'does not match emoji in code tag' do
+    doc = filter("<p><code>#{emoji_name} wow</code></p>")
+
+    expect(doc.css('img')).to be_empty
+  end
+
+  it 'does not match emoji in tt tag' do
+    doc = filter("<p><tt>#{emoji_name} yes!</tt></p>")
+
+    expect(doc.css('img')).to be_empty
+  end
+end