Fix ransack_alias issue, close #1239 - #1512

require 'bundler/inline'

gemfile(true) do
  source 'https://rubygems.org'
  gem 'activerecord', '~> 7.1', '>= 7.1.3.4', require: "active_record"
  gem 'sqlite3', '~> 1.7', '>= 1.7.3'
  gem 'ransack', '~> 4.2'
  gem 'minitest', '~> 5.24', '>= 5.24.1', require: "minitest/autorun"
end

ActiveRecord::Base.establish_connection(
  adapter:  "sqlite3",
  database: "./test_ransack_alias"
)

ActiveRecord::Schema.define do
  drop_table(:fees, if_exists: true)

  create_table :fees do |t|
    t.integer :amount
  end
end


class Fee < ActiveRecord::Base
  ransack_alias :amount_a, :amount

  def self.ransackable_attributes(auth_object = nil)
    ["amount", "amount_a"]
  end
end

class MyTest < Minitest::Test
  # success
  def test_1
    query_params = { amount_not_eq: 1 }
    assert_equal "SELECT \"fees\".* FROM \"fees\" WHERE \"fees\".\"amount\" != 1", Fee.ransack(query_params).result.to_sql
  end

  # success
  def test_2
    query_params = { amount_not_eq: 1, amount_a_not_eq: 2 }
    assert_equal "SELECT \"fees\".* FROM \"fees\" WHERE (\"fees\".\"amount\" != 1 AND \"fees\".\"amount\" != 2)", Fee.ransack(query_params).result.to_sql
  end

  # failure
  def test_3
    query_params = { amount_a_not_eq: 2, amount_not_eq: 1 }
    assert_equal "SELECT \"fees\".* FROM \"fees\" WHERE (\"fees\".\"amount\" != 2 AND \"fees\".\"amount\" != 1)", Fee.ransack(query_params).result.to_sql
  end
end