1 files changed, 66 insertions, 0 deletions
diff --git a/spec/migrations/turn_nested_groups_into_regular_groups_for_mysql_spec.rb b/spec/migrations/turn_nested_groups_into_regular_groups_for_mysql_spec.rb
new file mode 100644
index 00000000000..175bf1876b2
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+++ b/spec/migrations/turn_nested_groups_into_regular_groups_for_mysql_spec.rb
@@ -0,0 +1,66 @@
+require 'spec_helper'
+require Rails.root.join('db', 'migrate', '20170503140202_turn_nested_groups_into_regular_groups_for_mysql.rb')
+
+describe TurnNestedGroupsIntoRegularGroupsForMysql do
+  let!(:parent_group) { create(:group) }
+  let!(:child_group) { create(:group, parent: parent_group) }
+  let!(:project) { create(:project, :empty_repo, namespace: child_group) }
+  let!(:member) { create(:user) }
+  let(:migration) { described_class.new }
+
+  before do
+    parent_group.add_developer(member)
+
+    allow(migration).to receive(:run_migration?).and_return(true)
+    allow(migration).to receive(:verbose).and_return(false)
+  end
+
+  describe '#up' do
+    let(:updated_project) do
+      # path_with_namespace is memoized in an instance variable so we retrieve a
+      # new row here to work around that.
+      Project.find(project.id)
+    end
+
+    before do
+      migration.up
+    end
+
+    it 'unsets the parent_id column' do
+      expect(Namespace.where('parent_id IS NOT NULL').any?).to eq(false)
+    end
+
+    it 'adds members of parent groups as members to the migrated group' do
+      is_member = child_group.members.
+        where(user_id: member, access_level: Gitlab::Access::DEVELOPER).any?
+
+      expect(is_member).to eq(true)
+    end
+
+    it 'update the path of the nested group' do
+      child_group.reload
+
+      expect(child_group.path).to eq("#{parent_group.name}-#{child_group.name}")
+    end
+
+    it 'renames projects of the nested group' do
+      expect(updated_project.path_with_namespace).
+        to eq("#{parent_group.name}-#{child_group.name}/#{updated_project.path}")
+    end
+
+    it 'renames the repository of any projects' do
+      expect(updated_project.repository.path).
+        to end_with("#{parent_group.name}-#{child_group.name}/#{updated_project.path}.git")
+
+      expect(File.directory?(updated_project.repository.path)).to eq(true)
+    end
+
+    it 'creates a redirect route for renamed projects' do
+      exists = RedirectRoute.
+        where(source_type: 'Project', source_id: project.id).
+        any?
+
+      expect(exists).to eq(true)
+    end
+  end
+end