1 files changed, 93 insertions, 0 deletions
diff --git a/spec/lib/gitlab/github_import/markdown/attachment_spec.rb b/spec/lib/gitlab/github_import/markdown/attachment_spec.rb
new file mode 100644
index 00000000000..5d29de34141
--- /dev/null
+++ b/spec/lib/gitlab/github_import/markdown/attachment_spec.rb
@@ -0,0 +1,93 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+
+RSpec.describe Gitlab::GithubImport::Markdown::Attachment do
+  let(:name) { FFaker::Lorem.word }
+  let(:url) { FFaker::Internet.uri('https') }
+
+  describe '.from_markdown' do
+    context "when it's a doc attachment" do
+      let(:doc_extension) { Gitlab::GithubImport::Markdown::Attachment::DOC_TYPES.sample }
+      let(:url) { "https://github.com/nickname/public-test-repo/files/3/git-cheat-sheet.#{doc_extension}" }
+      let(:name) { FFaker::Lorem.word }
+      let(:markdown_node) do
+        instance_double('CommonMarker::Node', url: url, to_plaintext: name, type: :link)
+      end
+
+      it 'returns instance with attachment info' do
+        attachment = described_class.from_markdown(markdown_node)
+
+        expect(attachment.name).to eq name
+        expect(attachment.url).to eq url
+      end
+
+      context "when type is not in whitelist" do
+        let(:doc_extension) { 'exe' }
+
+        it { expect(described_class.from_markdown(markdown_node)).to eq nil }
+      end
+
+      context 'when domain name is unknown' do
+        let(:url) do
+          "https://bitbucket.com/nickname/public-test-repo/files/3/git-cheat-sheet.#{doc_extension}"
+        end
+
+        it { expect(described_class.from_markdown(markdown_node)).to eq nil }
+      end
+    end
+
+    context "when it's an image attachment" do
+      let(:image_extension) { Gitlab::GithubImport::Markdown::Attachment::MEDIA_TYPES.sample }
+      let(:url) { "https://user-images.githubusercontent.com/1/uuid-1.#{image_extension}" }
+      let(:name) { FFaker::Lorem.word }
+      let(:markdown_node) do
+        instance_double('CommonMarker::Node', url: url, to_plaintext: name, type: :image)
+      end
+
+      it 'returns instance with attachment info' do
+        attachment = described_class.from_markdown(markdown_node)
+
+        expect(attachment.name).to eq name
+        expect(attachment.url).to eq url
+      end
+
+      context "when type is not in whitelist" do
+        let(:image_extension) { 'mkv' }
+
+        it { expect(described_class.from_markdown(markdown_node)).to eq nil }
+      end
+
+      context 'when domain name is unknown' do
+        let(:url) { "https://user-images.github.com/1/uuid-1.#{image_extension}" }
+
+        it { expect(described_class.from_markdown(markdown_node)).to eq nil }
+      end
+    end
+
+    context "when it's an inline html node" do
+      let(:name) { FFaker::Lorem.word }
+      let(:image_extension) { Gitlab::GithubImport::Markdown::Attachment::MEDIA_TYPES.sample }
+      let(:url) { "https://user-images.githubusercontent.com/1/uuid-1.#{image_extension}" }
+      let(:img) { "<img width=\"248\" alt=\"#{name}\" src=\"#{url}\">" }
+      let(:markdown_node) do
+        instance_double('CommonMarker::Node', string_content: img, type: :inline_html)
+      end
+
+      it 'returns instance with attachment info' do
+        attachment = described_class.from_markdown(markdown_node)
+
+        expect(attachment.name).to eq name
+        expect(attachment.url).to eq url
+      end
+    end
+  end
+
+  describe '#inspect' do
+    it 'returns attachment basic info' do
+      attachment = described_class.new(name, url)
+
+      expect(attachment.inspect).to eq "<Gitlab::GithubImport::Markdown::Attachment: { name: #{name}, url: #{url} }>"
+    end
+  end
+end