1 files changed, 34 insertions, 0 deletions
diff --git a/spec/models/project_services/chat_message/base_message_spec.rb b/spec/models/project_services/chat_message/base_message_spec.rb
new file mode 100644
index 00000000000..8f80cf0b074
--- /dev/null
+++ b/spec/models/project_services/chat_message/base_message_spec.rb
@@ -0,0 +1,34 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+
+describe ChatMessage::BaseMessage do
+  let(:base_message) { described_class.new(args) }
+  let(:args) { { project_url: 'https://gitlab-domain.com' } }
+
+  describe '#fallback' do
+    subject { base_message.fallback }
+
+    before do
+      allow(base_message).to receive(:message).and_return(message)
+    end
+
+    context 'without relative links' do
+      let(:message) { 'Just another *markdown* message' }
+
+      it { is_expected.to eq(message) }
+    end
+
+    context 'with relative links' do
+      let(:message) { 'Check this out ![Screenshot1](/uploads/Screenshot1.png)' }
+
+      it { is_expected.to eq('Check this out https://gitlab-domain.com/uploads/Screenshot1.png') }
+    end
+
+    context 'with multiple relative links' do
+      let(:message) { 'Check this out ![Screenshot1](/uploads/Screenshot1.png). And this ![Screenshot2](/uploads/Screenshot2.png)' }
+
+      it { is_expected.to eq('Check this out https://gitlab-domain.com/uploads/Screenshot1.png. And this https://gitlab-domain.com/uploads/Screenshot2.png') }
+    end
+  end
+end