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[rails.git] / test / lib / rich_text_test.rb

diff --git a/test/lib/rich_text_test.rb b/test/lib/rich_text_test.rb
index 9d00d658d5bac697b3e4a8bce6e4bfb01fc52469..63c70b0996f59520e9cde2d4702c5f1a3b16f064 100644 (file)
--- a/test/lib/rich_text_test.rb
+++ b/test/lib/rich_text_test.rb
@@ -18,6 +18,13 @@ class RichTextTest < ActiveSupport::TestCase
       assert_select "a[rel='nofollow noopener noreferrer']", 1
     end
 
+    r = RichText.new("html", "foo <a rel='junk me trash' href='http://example.com/'>bar</a> baz")
+    assert_html r do
+      assert_select "a", 1
+      assert_select "a[href='http://example.com/']", 1
+      assert_select "a[rel='me nofollow noopener noreferrer']", 1
+    end
+
     r = RichText.new("html", "foo example@example.com bar")
     assert_html r do
       assert_select "a", 0
@@ -91,6 +98,13 @@ class RichTextTest < ActiveSupport::TestCase
       assert_select "a[rel='nofollow noopener noreferrer']", 1
     end
 
+    r = RichText.new("markdown", "foo <a rel='junk me trash' href='http://example.com/'>bar</a>) baz")
+    assert_html r do
+      assert_select "a", 1
+      assert_select "a[href='http://example.com/']", 1
+      assert_select "a[rel='me nofollow noopener noreferrer']", 1
+    end
+
     r = RichText.new("markdown", "foo example@example.com bar")
     assert_html r do
       assert_select "a", 1
@@ -181,6 +195,22 @@ class RichTextTest < ActiveSupport::TestCase
     end
   end
 
+  def test_markdown_table_alignment
+    # Ensure that kramdown table alignment styles are converted to bootstrap classes
+    markdown_table = <<~MARKDOWN
+      | foo  | bar |
+      |:----:|----:|
+      |center|right|
+    MARKDOWN
+    r = RichText.new("markdown", markdown_table)
+    assert_html r do
+      assert_select "td[style='text-align:center']", false
+      assert_select "td[class='text-center']", true
+      assert_select "td[style='text-align:right']", false
+      assert_select "td[class='text-end']", true
+    end
+  end
+
   def test_markdown_to_text
     r = RichText.new("markdown", "foo [bar](http://example.com/) baz")
     assert_equal "foo [bar](http://example.com/) baz", r.to_text
@@ -220,6 +250,132 @@ class RichTextTest < ActiveSupport::TestCase
     assert_equal 141, r.spam_score.round
   end
 
+  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_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
+    r = RichText.new("markdown", "foo [bar](https://example.com/) baz")
+    assert_nil r.image
+    assert_nil r.image_alt
+  end
+
+  def test_markdown_image
+    r = RichText.new("markdown", "foo ![bar](https://example.com/image.jpg) baz")
+    assert_equal "https://example.com/image.jpg", r.image
+    assert_equal "bar", r.image_alt
+  end
+
+  def test_markdown_first_image
+    r = RichText.new("markdown", "foo ![bar1](https://example.com/image1.jpg) baz\nfoo ![bar2](https://example.com/image2.jpg) baz")
+    assert_equal "https://example.com/image1.jpg", r.image
+    assert_equal "bar1", r.image_alt
+  end
+
+  def test_markdown_image_with_empty_src
+    r = RichText.new("markdown", "![invalid]()")
+    assert_nil r.image
+    assert_nil r.image_alt
+  end
+
+  def test_markdown_skip_image_with_empty_src
+    r = RichText.new("markdown", "![invalid]() ![valid](https://example.com/valid.gif)")
+    assert_equal "https://example.com/valid.gif", r.image
+    assert_equal "valid", r.image_alt
+  end
+
+  def test_markdown_html_image
+    r = RichText.new("markdown", "<img src='https://example.com/img_element.png' alt='alt text here'>")
+    assert_equal "https://example.com/img_element.png", r.image
+    assert_equal "alt text here", r.image_alt
+  end
+
+  def test_markdown_html_image_without_alt
+    r = RichText.new("markdown", "<img src='https://example.com/img_element.png'>")
+    assert_equal "https://example.com/img_element.png", r.image
+    assert_nil r.image_alt
+  end
+
+  def test_markdown_html_image_with_empty_src
+    r = RichText.new("markdown", "<img src='' alt='forgot src'>")
+    assert_nil r.image
+    assert_nil r.image_alt
+  end
+
+  def test_markdown_skip_html_image_with_empty_src
+    r = RichText.new("markdown", "<img src='' alt='forgot src'> <img src='https://example.com/next_img_element.png' alt='have src'>")
+    assert_equal "https://example.com/next_img_element.png", r.image
+    assert_equal "have src", r.image_alt
+  end
+
+  def test_markdown_html_image_without_src
+    r = RichText.new("markdown", "<img alt='totally forgot src'>")
+    assert_nil r.image
+    assert_nil r.image_alt
+  end
+
+  def test_markdown_skip_html_image_without_src
+    r = RichText.new("markdown", "<img alt='totally forgot src'> <img src='https://example.com/next_img_element.png' alt='have src'>")
+    assert_equal "https://example.com/next_img_element.png", r.image
+    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)