1 files changed, 54 insertions, 0 deletions
diff --git a/spec/migrations/20211126204445_add_task_to_work_item_types_spec.rb b/spec/migrations/20211126204445_add_task_to_work_item_types_spec.rb
new file mode 100644
index 00000000000..b80e4703f07
--- /dev/null
+++ b/spec/migrations/20211126204445_add_task_to_work_item_types_spec.rb
@@ -0,0 +1,54 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+require_migration!
+
+RSpec.describe AddTaskToWorkItemTypes, :migration do
+  include MigrationHelpers::WorkItemTypesHelper
+
+  let_it_be(:work_item_types) { table(:work_item_types) }
+
+  let(:base_types) do
+    {
+      issue:       0,
+      incident:    1,
+      test_case:   2,
+      requirement: 3,
+      task:        4
+    }
+  end
+
+  after(:all) do
+    # Make sure base types are recreated after running the migration
+    # because migration specs are not run in a transaction
+    reset_work_item_types
+  end
+
+  it 'skips creating the record if it already exists' do
+    reset_db_state_prior_to_migration
+    work_item_types.find_or_create_by!(name: 'Task', namespace_id: nil, base_type: base_types[:task], icon_name: 'issue-type-task')
+
+    expect do
+      migrate!
+    end.to not_change(work_item_types, :count)
+  end
+
+  it 'adds task to base work item types' do
+    reset_db_state_prior_to_migration
+
+    expect do
+      migrate!
+    end.to change(work_item_types, :count).from(4).to(5)
+
+    expect(work_item_types.all.pluck(:base_type)).to include(base_types[:task])
+  end
+
+  def reset_db_state_prior_to_migration
+    # Database needs to be in a similar state as when this migration was created
+    work_item_types.delete_all
+    work_item_types.find_or_create_by!(name: 'Issue', namespace_id: nil, base_type: base_types[:issue], icon_name: 'issue-type-issue')
+    work_item_types.find_or_create_by!(name: 'Incident', namespace_id: nil, base_type: base_types[:incident], icon_name: 'issue-type-incident')
+    work_item_types.find_or_create_by!(name: 'Test Case', namespace_id: nil, base_type: base_types[:test_case], icon_name: 'issue-type-test-case')
+    work_item_types.find_or_create_by!(name: 'Requirement', namespace_id: nil, base_type: base_types[:requirement], icon_name: 'issue-type-requirements')
+  end
+end