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# frozen_string_literal: true
require 'fast_spec_helper'
require 'rubocop'
require_relative '../../../../rubocop/cop/migration/safer_boolean_column'
RSpec.describe RuboCop::Cop::Migration::SaferBooleanColumn do
include CopHelper
subject(:cop) { described_class.new }
context 'in migration' do
before do
allow(cop).to receive(:in_migration?).and_return(true)
end
described_class::SMALL_TABLES.each do |table|
context "for the #{table} table" do
sources_and_offense = [
["add_column :#{table}, :column, :boolean, default: true", 'should disallow nulls'],
["add_column :#{table}, :column, :boolean, default: false", 'should disallow nulls'],
["add_column :#{table}, :column, :boolean, default: nil", 'should have a default and should disallow nulls'],
["add_column :#{table}, :column, :boolean, null: false", 'should have a default'],
["add_column :#{table}, :column, :boolean, null: true", 'should have a default and should disallow nulls'],
["add_column :#{table}, :column, :boolean", 'should have a default and should disallow nulls'],
["add_column :#{table}, :column, :boolean, default: nil, null: false", 'should have a default'],
["add_column :#{table}, :column, :boolean, default: nil, null: true", 'should have a default and should disallow nulls'],
["add_column :#{table}, :column, :boolean, default: false, null: true", 'should disallow nulls']
]
sources_and_offense.each do |source, offense|
context "given the source \"#{source}\"" do
it "registers the offense matching \"#{offense}\"" do
inspect_source(source)
aggregate_failures do
expect(cop.offenses.first.message).to match(offense)
end
end
end
end
inoffensive_sources = [
"add_column :#{table}, :column, :boolean, default: true, null: false",
"add_column :#{table}, :column, :boolean, default: false, null: false"
]
inoffensive_sources.each do |source|
context "given the source \"#{source}\"" do
it "registers no offense" do
inspect_source(source)
aggregate_failures do
expect(cop.offenses).to be_empty
end
end
end
end
end
end
it 'registers no offense for tables not listed in SMALL_TABLES' do
inspect_source("add_column :large_table, :column, :boolean")
expect(cop.offenses).to be_empty
end
it 'registers no offense for non-boolean columns' do
table = described_class::SMALL_TABLES.sample
inspect_source("add_column :#{table}, :column, :string")
expect(cop.offenses).to be_empty
end
end
context 'outside of migration' do
it 'registers no offense' do
table = described_class::SMALL_TABLES.sample
inspect_source("add_column :#{table}, :column, :boolean")
expect(cop.offenses).to be_empty
end
end
end
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