1 files changed, 33 insertions, 0 deletions
diff --git a/spec/migrations/remove_wiki_notes_spec.rb b/spec/migrations/remove_wiki_notes_spec.rb
new file mode 100644
index 00000000000..2ffebdee106
--- /dev/null
+++ b/spec/migrations/remove_wiki_notes_spec.rb
@@ -0,0 +1,33 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+require_migration!
+
+RSpec.describe RemoveWikiNotes, :migration do
+  let(:notes) { table(:notes) }
+
+  it 'removes all wiki notes' do
+    notes.create!(id: 97, note: 'Wiki note', noteable_type: 'Wiki')
+    notes.create!(id: 98, note: 'Commit note', noteable_type: 'Commit')
+    notes.create!(id: 110, note: 'Issue note', noteable_type: 'Issue')
+    notes.create!(id: 242, note: 'MergeRequest note', noteable_type: 'MergeRequest')
+
+    expect(notes.where(noteable_type: 'Wiki').size).to eq(1)
+
+    expect { migrate! }.to change { notes.count }.by(-1)
+
+    expect(notes.where(noteable_type: 'Wiki').size).to eq(0)
+  end
+
+  context 'when not staging nor com' do
+    it 'does not remove notes' do
+      allow(::Gitlab).to receive(:com?).and_return(false)
+      allow(::Gitlab).to receive(:dev_or_test_env?).and_return(false)
+      allow(::Gitlab).to receive(:staging?).and_return(false)
+
+      notes.create!(id: 97, note: 'Wiki note', noteable_type: 'Wiki')
+
+      expect { migrate! }.not_to change { notes.count }
+    end
+  end
+end