X-Git-Url: https://git.openstreetmap.org./rails.git/blobdiff_plain/0f50292784a4353e883ddc3771e52b8d4b8a4133..1c3e4746b0c901c19722ee6443266de325cca668:/test/lib/rich_text_test.rb

diff --git a/test/lib/rich_text_test.rb b/test/lib/rich_text_test.rb
index e0b315276..63c70b099 100644
--- a/test/lib/rich_text_test.rb
+++ b/test/lib/rich_text_test.rb
@@ -250,16 +250,18 @@ class RichTextTest < ActiveSupport::TestCase
     assert_equal 141, r.spam_score.round
   end
 
-  def test_text_no_image
+  def test_text_no_opengraph_properties
     r = RichText.new("text", "foo https://example.com/ bar")
     assert_nil r.image
     assert_nil r.image_alt
+    assert_nil r.description
   end
 
-  def test_html_no_image
+  def test_html_no_opengraph_properties
     r = RichText.new("html", "foo <a href='https://example.com/'>bar</a> baz")
     assert_nil r.image
     assert_nil r.image_alt
+    assert_nil r.description
   end
 
   def test_markdown_no_image
@@ -328,6 +330,52 @@ class RichTextTest < ActiveSupport::TestCase
     assert_equal "have src", r.image_alt
   end
 
+  def test_markdown_no_description
+    r = RichText.new("markdown", "#Nope")
+    assert_nil r.description
+  end
+
+  def test_markdown_description
+    r = RichText.new("markdown", "This is an article about something.")
+    assert_equal "This is an article about something.", r.description
+  end
+
+  def test_markdown_description_after_heading
+    r = RichText.new("markdown", "#Heading\n\nHere starts the text.")
+    assert_equal "Here starts the text.", r.description
+  end
+
+  def test_markdown_description_after_image
+    r = RichText.new("markdown", "![bar](https://example.com/image.jpg)\n\nThis is below the image.")
+    assert_equal "This is below the image.", r.description
+  end
+
+  def test_markdown_description_only_first_paragraph
+    r = RichText.new("markdown", "This thing.\n\nMaybe also that thing.")
+    assert_equal "This thing.", r.description
+  end
+
+  def test_markdown_description_elements
+    r = RichText.new("markdown", "*Something* **important** [here](https://example.com/).")
+    assert_equal "Something important here.", r.description
+  end
+
+  def test_markdown_html_description
+    r = RichText.new("markdown", "<p>Can use HTML tags.</p>")
+    assert_equal "Can use HTML tags.", r.description
+  end
+
+  def test_markdown_description_max_length
+    r = RichText.new("markdown", "x" * RichText::MAX_DESCRIPTION_LENGTH)
+    assert_equal "x" * RichText::MAX_DESCRIPTION_LENGTH, r.description
+
+    r = RichText.new("markdown", "y" * (RichText::MAX_DESCRIPTION_LENGTH + 1))
+    assert_equal "#{'y' * (RichText::MAX_DESCRIPTION_LENGTH - 3)}...", r.description
+
+    r = RichText.new("markdown", "*zzzzzzzzz*z" * ((RichText::MAX_DESCRIPTION_LENGTH + 1) / 10.0).ceil)
+    assert_equal "#{'z' * (RichText::MAX_DESCRIPTION_LENGTH - 3)}...", r.description
+  end
+
   private
 
   def assert_html(richtext, &block)