1 files changed, 29 insertions, 0 deletions
diff --git a/spec/lib/gitlab/background_migration/migrate_project_taggings_context_from_tags_to_topics_spec.rb b/spec/lib/gitlab/background_migration/migrate_project_taggings_context_from_tags_to_topics_spec.rb
new file mode 100644
index 00000000000..5e2f32c54be
--- /dev/null
+++ b/spec/lib/gitlab/background_migration/migrate_project_taggings_context_from_tags_to_topics_spec.rb
@@ -0,0 +1,29 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+
+RSpec.describe Gitlab::BackgroundMigration::MigrateProjectTaggingsContextFromTagsToTopics, schema: 20210511095658 do
+  it 'correctly migrates project taggings context from tags to topics' do
+    taggings = table(:taggings)
+
+    project_old_tagging_1 = taggings.create!(taggable_type: 'Project', context: 'tags')
+    project_new_tagging_1 = taggings.create!(taggable_type: 'Project', context: 'topics')
+    project_other_context_tagging_1 = taggings.create!(taggable_type: 'Project', context: 'other')
+    project_old_tagging_2 = taggings.create!(taggable_type: 'Project', context: 'tags')
+    project_old_tagging_3 = taggings.create!(taggable_type: 'Project', context: 'tags')
+
+    subject.perform(project_old_tagging_1.id, project_old_tagging_2.id)
+
+    project_old_tagging_1.reload
+    project_new_tagging_1.reload
+    project_other_context_tagging_1.reload
+    project_old_tagging_2.reload
+    project_old_tagging_3.reload
+
+    expect(project_old_tagging_1.context).to eq('topics')
+    expect(project_new_tagging_1.context).to eq('topics')
+    expect(project_other_context_tagging_1.context).to eq('other')
+    expect(project_old_tagging_2.context).to eq('topics')
+    expect(project_old_tagging_3.context).to eq('tags')
+  end
+end