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# frozen_string_literal: true
require 'spec_helper'
RSpec.describe Gitlab::Database::AsyncConstraints::PostgresAsyncConstraintValidation, type: :model,
feature_category: :database do
it { is_expected.to be_a Gitlab::Database::SharedModel }
describe 'validations' do
let_it_be(:constraint_validation) { create(:postgres_async_constraint_validation) }
let(:identifier_limit) { described_class::MAX_IDENTIFIER_LENGTH }
let(:last_error_limit) { described_class::MAX_LAST_ERROR_LENGTH }
subject { constraint_validation }
it { is_expected.to validate_presence_of(:name) }
it { is_expected.to validate_uniqueness_of(:name).scoped_to(:table_name) }
it { is_expected.to validate_length_of(:name).is_at_most(identifier_limit) }
it { is_expected.to validate_presence_of(:table_name) }
it { is_expected.to validate_length_of(:table_name).is_at_most(identifier_limit) }
it { is_expected.to validate_length_of(:last_error).is_at_most(last_error_limit) }
end
describe 'scopes' do
let!(:failed_validation) { create(:postgres_async_constraint_validation, attempts: 1) }
let!(:new_validation) { create(:postgres_async_constraint_validation) }
describe '.ordered' do
subject { described_class.ordered }
it { is_expected.to eq([new_validation, failed_validation]) }
end
describe '.foreign_key_type' do
before do
new_validation.update_column(:constraint_type, 99)
end
subject { described_class.foreign_key_type }
it { is_expected.to eq([failed_validation]) }
it 'does not apply the filter if the column is not present' do
expect(described_class)
.to receive(:constraint_type_exists?)
.and_return(false)
is_expected.to match_array([failed_validation, new_validation])
end
end
describe '.check_constraint_type' do
before do
new_validation.update!(constraint_type: :check_constraint)
end
subject { described_class.check_constraint_type }
it { is_expected.to eq([new_validation]) }
end
end
describe '.table_available?' do
subject { described_class.table_available? }
it { is_expected.to be_truthy }
context 'when the table does not exist' do
before do
described_class
.connection
.drop_table(described_class.table_name)
end
it { is_expected.to be_falsy }
end
end
describe '.constraint_type_exists?' do
it { expect(described_class.constraint_type_exists?).to be_truthy }
it 'always asks the database' do
control = ActiveRecord::QueryRecorder.new(skip_schema_queries: false) do
described_class.constraint_type_exists?
end
expect(control.count).to be >= 1
expect { described_class.constraint_type_exists? }.to issue_same_number_of_queries_as(control)
end
end
describe '#handle_exception!' do
let_it_be_with_reload(:constraint_validation) { create(:postgres_async_constraint_validation) }
let(:error) { instance_double(StandardError, message: 'Oups', backtrace: %w[this that]) }
subject { constraint_validation.handle_exception!(error) }
it 'increases the attempts number' do
expect { subject }.to change { constraint_validation.reload.attempts }.by(1)
end
it 'saves error details' do
subject
expect(constraint_validation.reload.last_error).to eq("Oups\nthis\nthat")
end
end
end
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