# frozen_string_literal: true

require_relative "helper"

module Arel
  describe "Attributes" do
    it "responds to lower" do
      relation  = Table.new(:users)
      attribute = relation[:foo]
      node      = attribute.lower
      assert_equal "LOWER", node.name
      assert_equal [attribute], node.expressions
    end

    describe "equality" do
      it "is equal with equal ivars" do
        array = [Attribute.new("foo", "bar"), Attribute.new("foo", "bar")]
        assert_equal 1, array.uniq.size
      end

      it "is not equal with different ivars" do
        array = [Attribute.new("foo", "bar"), Attribute.new("foo", "baz")]
        assert_equal 2, array.uniq.size
      end
    end

    describe "for" do
      it "deals with unknown column types" do
        column = Struct.new(:type).new :crazy
        Attributes.for(column).must_equal Attributes::Undefined
      end

      it "returns the correct constant for strings" do
        [:string, :text, :binary].each do |type|
          column = Struct.new(:type).new type
          Attributes.for(column).must_equal Attributes::String
        end
      end

      it "returns the correct constant for ints" do
        column = Struct.new(:type).new :integer
        Attributes.for(column).must_equal Attributes::Integer
      end

      it "returns the correct constant for floats" do
        column = Struct.new(:type).new :float
        Attributes.for(column).must_equal Attributes::Float
      end

      it "returns the correct constant for decimals" do
        column = Struct.new(:type).new :decimal
        Attributes.for(column).must_equal Attributes::Decimal
      end

      it "returns the correct constant for boolean" do
        column = Struct.new(:type).new :boolean
        Attributes.for(column).must_equal Attributes::Boolean
      end

      it "returns the correct constant for time" do
        [:date, :datetime, :timestamp, :time].each do |type|
          column = Struct.new(:type).new type
          Attributes.for(column).must_equal Attributes::Time
        end
      end
    end
  end
end
