1 files changed, 18 insertions, 0 deletions
diff --git a/spec/migrations/add_not_null_constraint_to_project_mirror_data_foreign_key_spec.rb b/spec/migrations/add_not_null_constraint_to_project_mirror_data_foreign_key_spec.rb
new file mode 100644
index 00000000000..6fd3cb1f44e
--- /dev/null
+++ b/spec/migrations/add_not_null_constraint_to_project_mirror_data_foreign_key_spec.rb
@@ -0,0 +1,18 @@
+require 'spec_helper'
+require Rails.root.join('db', 'migrate', '20180508100222_add_not_null_constraint_to_project_mirror_data_foreign_key.rb')
+
+describe AddNotNullConstraintToProjectMirrorDataForeignKey, :migration do
+  let(:namespaces) { table(:namespaces) }
+  let(:projects) { table(:projects) }
+  let(:import_state) { table(:project_mirror_data) }
+
+  before do
+    import_state.create!(id: 1, project_id: nil, status: :started)
+  end
+
+  it 'removes every import state without an associated project_id' do
+    expect do
+      subject.up
+    end.to change { import_state.count }.from(1).to(0)
+  end
+end