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# frozen_string_literal: true
require 'spec_helper'
RSpec.describe IgnorableColumns do
let(:record_class) do
Class.new(ApplicationRecord) do
include IgnorableColumns
end
end
subject { record_class }
it 'adds columns to ignored_columns' do
expect do
subject.ignore_columns(:name, :created_at, remove_after: '2019-12-01', remove_with: '12.6')
end.to change { subject.ignored_columns }.from([]).to(%w(name created_at))
end
it 'adds columns to ignored_columns (array version)' do
expect do
subject.ignore_columns(%i[name created_at], remove_after: '2019-12-01', remove_with: '12.6')
end.to change { subject.ignored_columns }.from([]).to(%w(name created_at))
end
it 'requires remove_after attribute to be set' do
expect { subject.ignore_columns(:name, remove_after: nil, remove_with: 12.6) }.to raise_error(ArgumentError, /Please indicate/)
end
it 'requires remove_after attribute to be set' do
expect { subject.ignore_columns(:name, remove_after: "not a date", remove_with: 12.6) }.to raise_error(ArgumentError, /Please indicate/)
end
it 'requires remove_with attribute to be set' do
expect { subject.ignore_columns(:name, remove_after: '2019-12-01', remove_with: nil) }.to raise_error(ArgumentError, /Please indicate/)
end
describe '.ignored_columns_details' do
shared_examples_for 'storing removal information' do
it 'storing removal information' do
subject.ignore_column(columns, remove_after: '2019-12-01', remove_with: '12.6')
[columns].flatten.each do |column|
expect(subject.ignored_columns_details[column].remove_after).to eq(Date.parse('2019-12-01'))
expect(subject.ignored_columns_details[column].remove_with).to eq('12.6')
end
end
end
context 'with single column' do
let(:columns) { :name }
it_behaves_like 'storing removal information'
end
context 'with array column' do
let(:columns) { %i[name created_at] }
it_behaves_like 'storing removal information'
end
context 'when called on a subclass without setting the ignored columns' do
let(:subclass) { Class.new(record_class) }
it 'does not raise Deadlock error' do
expect { subclass.ignored_columns_details }.not_to raise_error
end
end
it 'defaults to empty Hash' do
expect(subject.ignored_columns_details).to eq({})
end
end
describe IgnorableColumns::ColumnIgnore do
subject { described_class.new(remove_after, remove_with) }
let(:remove_with) { double }
describe '#safe_to_remove?' do
context 'after remove_after date has passed' do
let(:remove_after) { Date.parse('2019-01-10') }
it 'returns true (safe to remove)' do
expect(subject.safe_to_remove?).to be_truthy
end
end
context 'before remove_after date has passed' do
let(:remove_after) { Date.today }
it 'returns false (not safe to remove)' do
expect(subject.safe_to_remove?).to be_falsey
end
end
end
end
end
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