diff options
Diffstat (limited to 'spec/lib/gitlab/database/schema_migrations/migrations_spec.rb')
-rw-r--r-- | spec/lib/gitlab/database/schema_migrations/migrations_spec.rb | 86 |
1 files changed, 86 insertions, 0 deletions
diff --git a/spec/lib/gitlab/database/schema_migrations/migrations_spec.rb b/spec/lib/gitlab/database/schema_migrations/migrations_spec.rb new file mode 100644 index 00000000000..8be776fdb88 --- /dev/null +++ b/spec/lib/gitlab/database/schema_migrations/migrations_spec.rb @@ -0,0 +1,86 @@ +# frozen_string_literal: true + +require 'spec_helper' + +RSpec.describe Gitlab::Database::SchemaMigrations::Migrations do + let(:connection) { ApplicationRecord.connection } + let(:context) { Gitlab::Database::SchemaMigrations::Context.new(connection) } + + let(:migrations) { described_class.new(context) } + + describe '#touch_all' do + let(:version1) { '20200123' } + let(:version2) { '20200410' } + let(:version3) { '20200602' } + let(:version4) { '20200809' } + + let(:relative_schema_directory) { 'db/schema_migrations' } + + it 'creates a file containing a checksum for each version with a matching migration' do + Dir.mktmpdir do |tmpdir| + schema_directory = Pathname.new(tmpdir).join(relative_schema_directory) + FileUtils.mkdir_p(schema_directory) + + old_version_filepath = schema_directory.join('20200101') + FileUtils.touch(old_version_filepath) + + expect(File.exist?(old_version_filepath)).to be(true) + + allow(context).to receive(:schema_directory).and_return(schema_directory) + allow(context).to receive(:versions_to_create).and_return([version1, version2]) + + migrations.touch_all + + expect(File.exist?(old_version_filepath)).to be(false) + + [version1, version2].each do |version| + version_filepath = schema_directory.join(version) + expect(File.exist?(version_filepath)).to be(true) + + hashed_value = Digest::SHA256.hexdigest(version) + expect(File.read(version_filepath)).to eq(hashed_value) + end + + [version3, version4].each do |version| + version_filepath = schema_directory.join(version) + expect(File.exist?(version_filepath)).to be(false) + end + end + end + end + + describe '#load_all' do + before do + allow(migrations).to receive(:version_filenames).and_return(filenames) + end + + context 'when there are no version files' do + let(:filenames) { [] } + + it 'does nothing' do + expect(connection).not_to receive(:quote_string) + expect(connection).not_to receive(:execute) + + migrations.load_all + end + end + + context 'when there are version files' do + let(:filenames) { %w[123 456 789] } + + it 'inserts the missing versions into schema_migrations' do + filenames.each do |filename| + expect(connection).to receive(:quote_string).with(filename).and_return(filename) + end + + expect(connection).to receive(:execute).with(<<~SQL) + INSERT INTO schema_migrations (version) + VALUES ('123'),('456'),('789') + ON CONFLICT DO NOTHING + SQL + + migrations.load_all + end + end + end +end |