1 files changed, 66 insertions, 0 deletions
diff --git a/spec/models/concerns/taskable_spec.rb b/spec/models/concerns/taskable_spec.rb
new file mode 100644
index 00000000000..6b41174a046
--- /dev/null
+++ b/spec/models/concerns/taskable_spec.rb
@@ -0,0 +1,66 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+
+RSpec.describe Taskable do
+  using RSpec::Parameterized::TableSyntax
+
+  describe '.get_tasks' do
+    let(:description) do
+      <<~MARKDOWN
+        Any text before the list
+        - [ ] First item
+        - [x] Second item
+        * [x] First item
+        * [ ] Second item
+      MARKDOWN
+    end
+
+    let(:expected_result) do
+      [
+        TaskList::Item.new('- [ ]', 'First item'),
+        TaskList::Item.new('- [x]', 'Second item'),
+        TaskList::Item.new('* [x]', 'First item'),
+        TaskList::Item.new('* [ ]', 'Second item')
+      ]
+    end
+
+    subject { described_class.get_tasks(description) }
+
+    it { is_expected.to match(expected_result) }
+  end
+
+  describe '#task_list_items' do
+    where(issuable_type: [:issue, :merge_request])
+
+    with_them do
+      let(:issuable) { build(issuable_type, description: description) }
+
+      subject(:result) { issuable.task_list_items }
+
+      context 'when description is present' do
+        let(:description) { 'markdown' }
+
+        it 'gets tasks from markdown' do
+          expect(described_class).to receive(:get_tasks)
+
+          result
+        end
+      end
+
+      context 'when description is blank' do
+        let(:description) { '' }
+
+        it 'returns empty array' do
+          expect(result).to be_empty
+        end
+
+        it 'does not try to get tasks from markdown' do
+          expect(described_class).not_to receive(:get_tasks)
+
+          result
+        end
+      end
+    end
+  end
+end