gitlab-org--gitlab-foss/spec/lib/gitlab/database/schema_version_files_spec.rb

95 lines
3.3 KiB
Ruby

# frozen_string_literal: true
require 'spec_helper'
RSpec.describe Gitlab::Database::SchemaVersionFiles do
describe '.touch_all' do
let(:version1) { '20200123' }
let(:version2) { '20200410' }
let(:version3) { '20200602' }
let(:version4) { '20200809' }
let(:relative_schema_directory) { 'db/schema_migrations' }
let(:relative_migrate_directory) { 'db/migrate' }
let(:relative_post_migrate_directory) { 'db/post_migrate' }
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)
migrate_directory = Pathname.new(tmpdir).join(relative_migrate_directory)
post_migrate_directory = Pathname.new(tmpdir).join(relative_post_migrate_directory)
FileUtils.mkdir_p(migrate_directory)
FileUtils.mkdir_p(post_migrate_directory)
FileUtils.mkdir_p(schema_directory)
migration1_filepath = migrate_directory.join("#{version1}_migration.rb")
FileUtils.touch(migration1_filepath)
migration2_filepath = post_migrate_directory.join("#{version2}_post_migration.rb")
FileUtils.touch(migration2_filepath)
old_version_filepath = schema_directory.join('20200101')
FileUtils.touch(old_version_filepath)
expect(File.exist?(old_version_filepath)).to be(true)
allow(described_class).to receive(:schema_directory).and_return(schema_directory)
allow(described_class).to receive(:migration_directories).and_return([migrate_directory, post_migrate_directory])
described_class.touch_all([version1, version2, version3, version4])
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
let(:connection) { double('connection') }
before do
allow(described_class).to receive(:connection).and_return(connection)
allow(described_class).to receive(:find_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)
described_class.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
described_class.load_all
end
end
end
end