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# frozen_string_literal: true
require 'spec_helper'
require_migration!
RSpec.describe RetryCleanupBigintConversionForEventsForGitlabCom, :migration, feature_category: :database do
let(:migration) { described_class.new }
let(:connection) { migration.connection }
let(:column_name) { 'target_id_convert_to_bigint' }
let(:events_table) { table(:events) }
before do
allow(migration).to receive(:should_run?).and_return(should_run?)
end
shared_examples 'skips the up migration' do
it "doesn't calls cleanup_conversion_of_integer_to_bigint method" do
disable_migrations_output do
expect(migration).not_to receive(:cleanup_conversion_of_integer_to_bigint)
migration.up
end
end
end
shared_examples 'skips the down migration' do
it "doesn't calls restore_conversion_of_integer_to_bigint method" do
disable_migrations_output do
expect(migration).not_to receive(:restore_conversion_of_integer_to_bigint)
migration.down
end
end
end
describe '#up' do
context 'when column still exists' do
before do
# Ensures the correct state of db before the test
connection.execute('ALTER TABLE events ADD COLUMN IF NOT EXISTS target_id_convert_to_bigint integer')
connection.execute('CREATE OR REPLACE FUNCTION trigger_cd1aeb22b34a() RETURNS trigger LANGUAGE plpgsql AS $$
BEGIN NEW."target_id_convert_to_bigint" := NEW."target_id"; RETURN NEW; END; $$;')
connection.execute('DROP TRIGGER IF EXISTS trigger_cd1aeb22b34a ON events')
connection.execute('CREATE TRIGGER trigger_cd1aeb22b34a BEFORE INSERT OR UPDATE ON events FOR EACH ROW EXECUTE
FUNCTION trigger_cd1aeb22b34a()')
end
context 'when is GitLab.com, dev, or test' do
let(:should_run?) { true }
it 'drop the temporary columns' do
disable_migrations_output do
reversible_migration do |migration|
migration.before -> {
events_table.reset_column_information
expect(events_table.columns.find { |c| c.name == 'target_id_convert_to_bigint' }).not_to be_nil
}
migration.after -> {
events_table.reset_column_information
expect(events_table.columns.find { |c| c.name == 'target_id_convert_to_bigint' }).to be_nil
}
end
end
end
end
context 'when is a self-managed instance' do
let(:should_run?) { false }
it_behaves_like 'skips the up migration'
end
end
context 'when column not exists' do
before do
connection.execute('ALTER TABLE events DROP COLUMN IF EXISTS target_id_convert_to_bigint')
end
context 'when is GitLab.com, dev, or test' do
let(:should_run?) { true }
it_behaves_like 'skips the up migration'
end
context 'when is a self-managed instance' do
let(:should_run?) { false }
it_behaves_like 'skips the up migration'
end
end
end
describe '#down' do
context 'when column still exists' do
before do
# Ensures the correct state of db before the test
connection.execute('ALTER TABLE events ADD COLUMN IF NOT EXISTS target_id_convert_to_bigint integer')
connection.execute('CREATE OR REPLACE FUNCTION trigger_cd1aeb22b34a() RETURNS trigger LANGUAGE plpgsql AS $$
BEGIN NEW."target_id_convert_to_bigint" := NEW."target_id"; RETURN NEW; END; $$;')
connection.execute('DROP TRIGGER IF EXISTS trigger_cd1aeb22b34a ON events')
connection.execute('CREATE TRIGGER trigger_cd1aeb22b34a BEFORE INSERT OR UPDATE ON events FOR EACH ROW EXECUTE
FUNCTION trigger_cd1aeb22b34a()')
end
context 'when is GitLab.com, dev, or test' do
let(:should_run?) { true }
it_behaves_like 'skips the down migration'
end
context 'when is a self-managed instance' do
let(:should_run?) { false }
it_behaves_like 'skips the down migration'
end
end
context 'when column not exists' do
before do
connection.execute('ALTER TABLE events DROP COLUMN IF EXISTS target_id_convert_to_bigint')
end
context 'when is GitLab.com, dev, or test' do
let(:should_run?) { true }
it 'restore the temporary columns' do
disable_migrations_output do
migration.down
column = events_table.columns.find { |c| c.name == 'target_id_convert_to_bigint' }
expect(column).not_to be_nil
expect(column.sql_type).to eq('integer')
end
end
end
context 'when is a self-managed instance' do
let(:should_run?) { false }
it_behaves_like 'skips the down migration'
end
end
end
end
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