From 8fc09a892284f2692ec21a4632bc74ed48365d57 Mon Sep 17 00:00:00 2001
From: Javan Makhmali <javan@javan.us>
Date: Tue, 2 Oct 2018 13:56:27 -0400
Subject: Bring some tests over

---
 test/unit/attachment_test.rb            |  57 +++++++++++++++
 test/unit/content_test.rb               | 124 +++++++++++++++++++++++++++-----
 test/unit/model_test.rb                 |  30 +++++---
 test/unit/plain_text_conversion_test.rb |  92 ++++++++++++++++++++++++
 test/unit/trix_attachment_test.rb       |  81 +++++++++++++++++++++
 5 files changed, 357 insertions(+), 27 deletions(-)
 create mode 100644 test/unit/attachment_test.rb
 create mode 100644 test/unit/plain_text_conversion_test.rb
 create mode 100644 test/unit/trix_attachment_test.rb

(limited to 'test/unit')

diff --git a/test/unit/attachment_test.rb b/test/unit/attachment_test.rb
new file mode 100644
index 0000000000..dec2b8244d
--- /dev/null
+++ b/test/unit/attachment_test.rb
@@ -0,0 +1,57 @@
+require 'test_helper'
+
+class ActionText::AttachmentTest < ActiveSupport::TestCase
+  test "from_attachable" do
+    attachment = ActionText::Attachment.from_attachable(attachable, caption: "Captioned")
+    assert_equal attachable, attachment.attachable
+    assert_equal "Captioned", attachment.caption
+  end
+
+  test "proxies missing methods to attachable" do
+    attachable.instance_eval { def proxied; "proxied"; end }
+    attachment = ActionText::Attachment.from_attachable(attachable)
+    assert_equal "proxied", attachment.proxied
+  end
+
+  test "proxies #to_param to attachable" do
+    attachment = ActionText::Attachment.from_attachable(attachable)
+    assert_equal attachable.to_param, attachment.to_param
+  end
+
+  # test "converts to TrixAttachment" do
+  #   attachment = attachment_from_html(%Q(<action-text-attachment sgid="#{attachable.attachable_sgid}" caption="Captioned"></action-text-attachment>))
+  #
+  #   trix_attachment = attachment.to_trix_attachment
+  #   assert_kind_of ActionText::TrixAttachment, trix_attachment
+  #
+  #   assert_equal attachable.attachable_sgid, trix_attachment.attributes["sgid"]
+  #   assert_equal attachable.attachable_content_type, trix_attachment.attributes["contentType"]
+  #   assert_equal attachable.filename.to_s, trix_attachment.attributes["filename"]
+  #   assert_equal attachable.byte_size, trix_attachment.attributes["filesize"]
+  #   assert_equal "Captioned", trix_attachment.attributes["caption"]
+  #
+  #   assert_nil trix_attachment.attributes["content"]
+  # end
+
+  # test "converts to TrixAttachment with content" do
+  #   attachment = attachment_from_html(%Q(<action-text-attachment sgid="#{attachable.attachable_sgid}"></action-text-attachment>))
+  #
+  #   trix_attachment = attachment.to_trix_attachment
+  #   assert_kind_of ActionText::TrixAttachment, trix_attachment
+  #
+  #   assert_equal attachable.attachable_sgid, trix_attachment.attributes["sgid"]
+  #   assert_equal attachable.attachable_content_type, trix_attachment.attributes["contentType"]
+  #
+  #   assert_not_nil attachable.to_trix_content_attachment_partial_path
+  #   assert_not_nil trix_attachment.attributes["content"]
+  # end
+
+  private
+    def attachment_from_html(html)
+      ActionText::Content.new(html).attachments.first
+    end
+
+    def attachable
+      @attachment ||= create_file_blob(filename: "racecar.jpg", content_type: "image/jpg")
+    end
+end
diff --git a/test/unit/content_test.rb b/test/unit/content_test.rb
index 59beb323cf..8f32a85110 100644
--- a/test/unit/content_test.rb
+++ b/test/unit/content_test.rb
@@ -1,21 +1,107 @@
-require_relative '../test_helper'
-
-module ActionText
-  class ContentTest < ActiveSupport::TestCase
-    test "plain text conversion" do
-      message = Message.new(subject: "Greetings", content: "<h1>Hello world</h1>")
-      assert_equal "Hello world", message.content.body.to_plain_text
-    end
-
-    test "without content" do
-      message = Message.create!(subject: "Greetings")
-      assert message.content.body.nil?
-    end
-
-    test "embed extraction" do
-      blob = create_file_blob(filename: "racecar.jpg", content_type: "image/jpg")
-      message = Message.create!(subject: "Greetings", content: ActionText::Content.new("Hello world").append_attachables(blob))
-      assert_equal "racecar.jpg", message.content.embeds.first.filename.to_s
-    end
+require 'test_helper'
+
+class ActionText::ContentTest < ActiveSupport::TestCase
+  test "equality" do
+    html = %Q(<div>test</div>)
+    content = ActionText::Content.new(html)
+    assert_equal content, ActionText::Content.new(html)
+    assert_not_equal content, html
+  end
+
+  test "marshal serialization" do
+    content = ActionText::Content.new("Hello!")
+    assert_equal content, Marshal.load(Marshal.dump(content))
+  end
+
+  test "roundtrips HTML without additional newlines" do
+    html = %Q(<div>a<br></div>)
+    content = ActionText::Content.new(html)
+    assert_equal html, content.to_html
   end
+
+  test "extracts links" do
+    html = %Q(<a href="http://example.com/1">1</a><br><a href="http://example.com/1">1</a>)
+    content = ActionText::Content.new(html)
+    assert_equal ["http://example.com/1"], content.links
+  end
+
+  test "extracts attachables" do
+    attachable = create_file_blob(filename: "racecar.jpg", content_type: "image/jpg")
+    html = %Q(<action-text-attachment sgid="#{attachable.attachable_sgid}" caption="Captioned"></action-text-attachment>)
+
+    content = ActionText::Content.new(html)
+    assert_equal 1, content.attachments.size
+
+    attachment = content.attachments.first
+    assert_equal "Captioned", attachment.caption
+    assert_equal attachable, attachment.attachable
+  end
+
+  test "extracts remote image attachables" do
+    html = %Q(<action-text-attachment content-type="image" url="http://example.com/cat.jpg" width="100" height="100" caption="Captioned"></action-text-attachment>)
+
+    content = ActionText::Content.new(html)
+    assert_equal 1, content.attachments.size
+
+    attachment = content.attachments.first
+    assert_equal "Captioned", attachment.caption
+
+    attachable = attachment.attachable
+    assert_kind_of ActionText::Attachables::RemoteImage, attachable
+    assert_equal "http://example.com/cat.jpg", attachable.url
+    assert_equal "100", attachable.width
+    assert_equal "100", attachable.height
+  end
+
+  test "identifies destroyed attachables as missing" do
+    attachable = create_file_blob(filename: "racecar.jpg", content_type: "image/jpg")
+    html = %Q(<action-text-attachment sgid="#{attachable.attachable_sgid}"></action-text-attachment>)
+    attachable.destroy!
+    content = ActionText::Content.new(html)
+    assert_equal 1, content.attachments.size
+    assert_equal ActionText::Attachables::MissingAttachable, content.attachments.first.attachable
+  end
+
+  # test "extracts missing attachables" do
+  #   html = %Q(<action-text-attachment sgid="missing"></action-text-attachment>)
+  #   content = ActionText::Content.new(html)
+  #   assert_equal 1, content.attachments.size
+  #   assert_equal ActionText::Attachables::MissingAttachable, content.attachments.first.attachable
+  # end
+  #
+  # test "converts Trix-formatted attachments" do
+  #   html = %Q(<figure data-trix-attachment='{"sgid":"123","contentType":"text/plain","width":100,"height":100}' data-trix-attributes='{"caption":"Captioned"}'></figure>)
+  #   content = ActionText::Content.new(html)
+  #   assert_equal 1, content.attachments.size
+  #   assert_equal %Q(<action-text-attachment sgid="123" content-type="text/plain" width="100" height="100" caption="Captioned"></action-text-attachment>), content.to_html
+  # end
+  #
+  # test "ignores Trix-formatted attachments with malformed JSON" do
+  #   html = %Q(<div data-trix-attachment='{"sgid":"garbage...'></div>)
+  #   content = ActionText::Content.new(html)
+  #   assert_equal 0, content.attachments.size
+  # end
+  #
+  # test "minifies attachment markup" do
+  #   html = %Q(<action-text-attachment sgid="123"><div>HTML</div></action-text-attachment>)
+  #   assert_equal %Q(<action-text-attachment sgid="123"></action-text-attachment>), ActionText::Content.new(html).to_html
+  # end
+  #
+  # test "canonicalizes attachment gallery markup" do
+  #   attachment_html = %Q(<action-text-attachment sgid="1" presentation="gallery"></action-text-attachment><action-text-attachment sgid="2" presentation="gallery"></action-text-attachment>)
+  #   html = %Q(<div class="attachment-gallery attachment-gallery--2">#{attachment_html}</div>)
+  #   assert_equal %Q(<div>#{attachment_html}</div>), ActionText::Content.new(html).to_html
+  # end
+  #
+  # test "canonicalizes attachment gallery markup with whitespace" do
+  #   attachment_html = %Q(\n  <action-text-attachment sgid="1" presentation="gallery"></action-text-attachment>\n  <action-text-attachment sgid="2" presentation="gallery"></action-text-attachment>\n)
+  #   html = %Q(<div class="attachment-gallery attachment-gallery--2">#{attachment_html}</div>)
+  #   assert_equal %Q(<div>#{attachment_html}</div>), ActionText::Content.new(html).to_html
+  # end
+  #
+  # test "canonicalizes nested attachment gallery markup" do
+  #   attachment_html = %Q(<action-text-attachment sgid="1" presentation="gallery"></action-text-attachment><action-text-attachment sgid="2" presentation="gallery"></action-text-attachment>)
+  #   html = %Q(<blockquote><div class="attachment-gallery attachment-gallery--2">#{attachment_html}</div></blockquote>)
+  #   assert_equal %Q(<blockquote><div>#{attachment_html}</div></blockquote>), ActionText::Content.new(html).to_html
+  # end
 end
diff --git a/test/unit/model_test.rb b/test/unit/model_test.rb
index b7c5333c4d..bdfe88adc8 100644
--- a/test/unit/model_test.rb
+++ b/test/unit/model_test.rb
@@ -1,10 +1,24 @@
-require_relative '../test_helper'
-
-module ActionText
-  class ModelTest < ActiveSupport::TestCase
-    test "saving content" do
-      message = Message.create!(subject: "Greetings", content: "<h1>Hello world</h1>")
-      assert_equal "Hello world", message.content.body.to_plain_text
-    end
+require 'test_helper'
+
+class ActionText::ModelTest < ActiveSupport::TestCase
+  test "plain text conversion" do
+    message = Message.new(subject: "Greetings", content: "<h1>Hello world</h1>")
+    assert_equal "Hello world", message.content.body.to_plain_text
+  end
+
+  test "without content" do
+    message = Message.create!(subject: "Greetings")
+    assert message.content.body.nil?
+  end
+
+  test "embed extraction" do
+    blob = create_file_blob(filename: "racecar.jpg", content_type: "image/jpg")
+    message = Message.create!(subject: "Greetings", content: ActionText::Content.new("Hello world").append_attachables(blob))
+    assert_equal "racecar.jpg", message.content.embeds.first.filename.to_s
+  end
+
+  test "saving content" do
+    message = Message.create!(subject: "Greetings", content: "<h1>Hello world</h1>")
+    assert_equal "Hello world", message.content.body.to_plain_text
   end
 end
diff --git a/test/unit/plain_text_conversion_test.rb b/test/unit/plain_text_conversion_test.rb
new file mode 100644
index 0000000000..47c95b6bc3
--- /dev/null
+++ b/test/unit/plain_text_conversion_test.rb
@@ -0,0 +1,92 @@
+require 'test_helper'
+
+class ActionText::PlainTextConversionTest < ActiveSupport::TestCase
+  test "<p> tags are separated by two new lines" do
+    assert_converted_to(
+      "Hello world!\n\nHow are you?",
+      "<p>Hello world!</p><p>How are you?</p>"
+    )
+  end
+
+  test "<blockquote> tags are separated by two new lines" do
+    assert_converted_to(
+      "“Hello world!”\n\n“How are you?”",
+      "<blockquote>Hello world!</blockquote><blockquote>How are you?</blockquote>"
+    )
+  end
+
+  test "<ol> tags are separated by two new lines" do
+    assert_converted_to(
+      "Hello world!\n\n1. list1\n\n1. list2\n\nHow are you?",
+      "<p>Hello world!</p><ol><li>list1</li></ol><ol><li>list2</li></ol><p>How are you?</p>"
+    )
+  end
+
+  test "<ul> tags are separated by two new lines" do
+    assert_converted_to(
+      "Hello world!\n\n• list1\n\n• list2\n\nHow are you?",
+      "<p>Hello world!</p><ul><li>list1</li></ul><ul><li>list2</li></ul><p>How are you?</p>"
+    )
+  end
+
+  test "<h1> tags are separated by two new lines" do
+    assert_converted_to(
+      "Hello world!\n\nHow are you?",
+      "<h1>Hello world!</h1><div>How are you?</div>"
+    )
+  end
+
+  test "<li> tags are separated by one new line" do
+    assert_converted_to(
+      "• one\n• two\n• three",
+      "<ul><li>one</li><li>two</li><li>three</li></ul>"
+    )
+  end
+
+  test "<li> tags without a parent list" do
+    assert_converted_to(
+      "• one\n• two\n• three",
+      "<li>one</li><li>two</li><li>three</li>"
+    )
+  end
+
+  test "<br> tags are separated by one new line" do
+    assert_converted_to(
+      "Hello world!\none\ntwo\nthree",
+      "<p>Hello world!<br>one<br>two<br>three</p>"
+    )
+  end
+
+  test "<div> tags are separated by one new line" do
+    assert_converted_to(
+      "Hello world!\nHow are you?",
+      "<div>Hello world!</div><div>How are you?</div>"
+    )
+  end
+
+  test "<action-text-attachment> tags are converted to their plain-text representation" do
+    assert_converted_to(
+      "Hello world! [Cat]",
+      %Q(Hello world! <action-text-attachment url="http://example.com/cat.jpg" content-type="image" caption="Cat"></action-text-attachment>)
+    )
+  end
+
+  test "preserves non-linebreak whitespace after text" do
+    assert_converted_to(
+      "Hello world!",
+      %Q(<div><strong>Hello </strong>world!</div>)
+    )
+  end
+
+  test "preserves trailing linebreaks after text" do
+    assert_converted_to(
+      "Hello\nHow are you?",
+      "<strong>Hello<br></strong>How are you?"
+    )
+  end
+
+  private
+    def assert_converted_to(plain_text, html)
+      assert_equal plain_text, ActionText::Content.new(html).to_plain_text
+    end
+end
diff --git a/test/unit/trix_attachment_test.rb b/test/unit/trix_attachment_test.rb
new file mode 100644
index 0000000000..fe834c8663
--- /dev/null
+++ b/test/unit/trix_attachment_test.rb
@@ -0,0 +1,81 @@
+require 'test_helper'
+
+class ActionText::TrixAttachmentTest < ActiveSupport::TestCase
+  test "from_attributes" do
+    attributes = {
+      "data-trix-attachment" => {
+        "sgid" => "123",
+        "contentType" => "text/plain",
+        "href" => "http://example.com/",
+        "filename" => "example.txt",
+        "filesize" => 12345,
+        "previewable" => true
+      },
+      "data-trix-attributes" => {
+        "caption" => "hello"
+      }
+    }
+
+    attachment = attachment(
+      sgid: "123",
+      content_type: "text/plain",
+      href: "http://example.com/",
+      filename: "example.txt",
+      filesize: "12345",
+      previewable: "true",
+      caption: "hello"
+    )
+
+    assert_attachment_json_attributes(attachment, attributes)
+  end
+
+  test "previewable is typecast" do
+    assert_attachment_attribute(attachment(previewable: ""), "previewable", false)
+    assert_attachment_attribute(attachment(previewable: false), "previewable", false)
+    assert_attachment_attribute(attachment(previewable: "false"), "previewable", false)
+    assert_attachment_attribute(attachment(previewable: "garbage"), "previewable", false)
+    assert_attachment_attribute(attachment(previewable: true), "previewable", true)
+    assert_attachment_attribute(attachment(previewable: "true"), "previewable", true)
+  end
+
+  test "filesize is typecast when integer-like" do
+    assert_attachment_attribute(attachment(filesize: 123), "filesize", 123)
+    assert_attachment_attribute(attachment(filesize: "123"), "filesize", 123)
+    assert_attachment_attribute(attachment(filesize: "3.5 MB"), "filesize", "3.5 MB")
+    assert_attachment_attribute(attachment(filesize: nil), "filesize", nil)
+    assert_attachment_attribute(attachment(filesize: ""), "filesize", "")
+  end
+
+  test "#attributes strips unmappable attributes" do
+    attributes = {
+      "sgid" => "123",
+      "caption" => "hello"
+    }
+
+    attachment = attachment(sgid: "123", caption: "hello", nonexistent: "garbage")
+    assert_attachment_attributes(attachment, attributes)
+  end
+
+  def assert_attachment_attribute(attachment, name, value)
+    if value.nil?
+      assert_nil(attachment.attributes[name])
+    else
+      assert_equal(value, attachment.attributes[name])
+    end
+  end
+
+  def assert_attachment_attributes(attachment, attributes)
+    assert_equal(attributes, attachment.attributes)
+  end
+
+  def assert_attachment_json_attributes(attachment, attributes)
+    attributes.each do |name, expected|
+      actual = JSON.parse(attachment.node[name])
+      assert_equal(expected, actual)
+    end
+  end
+
+  def attachment(**attributes)
+    ActionText::TrixAttachment.from_attributes(attributes)
+  end
+end
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