Initial commit

spec/lib/math_renderer_spec.rb

@@ -0,0 +1 @@
+# TODO server rendering

spec/pretty_text_spec.rb

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+require 'rails_helper'
+
+describe PrettyText do
+
+  context 'markdown it' do
+    before do
+      SiteSetting.enable_experimental_markdown_it = true
+      SiteSetting.discourse_math_enabled = true
+    end
+
+    it 'can handle inline math' do
+      cooked = PrettyText.cook('I like $\{a,b\}\$<a>$ etc..')
+      html = '<p>I like <span class="math">\{a,b\}\$&lt;a&gt;</span> etc..</p>'
+      expect(cooked).to eq(html)
+    end
+
+    it 'can correctly ignore bad blocks' do
+      cooked = PrettyText.cook <<~MD
+        $$a
+        a
+        $$"
+      MD
+
+      html = <<~HTML
+        <p>$$a<br>
+        a<br>
+        $$"</p>
+      HTML
+
+      expect(cooked).to eq(html.strip)
+    end
+
+    it 'can handle inline edge cases' do
+      expect(PrettyText.cook ",$+500$,").to include('math')
+      expect(PrettyText.cook "200$ + 500$").not_to include('math')
+      expect(PrettyText.cook ",$+500\$x").not_to include('math')
+      expect(PrettyText.cook "y$+500\$").not_to include('math')
+      expect(PrettyText.cook "($ +500 $)").to include('math')
+      expect(PrettyText.cook ",$+500\$").not_to include('math')
+    end
+
+    it 'can handle inline math' do
+      cooked = PrettyText.cook <<~MD
+        I like
+        $$
+        \{a,b\}\$<a>
+        $$
+        etc..
+      MD
+
+      html = <<~HTML
+        <p>I like</p>
+        <div class="math">
+        {a,b}$&lt;a&gt;
+        </div>
+        <p>etc..</p>
+      HTML
+
+      expect(cooked).to eq(html.strip)
+    end
+  end
+end