activerecord/test/cases/arel/nodes/count_test.rb


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35

# frozen_string_literal: true

require_relative "../helper"

class Arel::Nodes::CountTest < Arel::Spec
  describe "as" do
    it "should alias the count" do
      table = Arel::Table.new :users
      table[:id].count.as("foo").to_sql.must_be_like %{
        COUNT("users"."id") AS foo
      }
    end
  end

  describe "eq" do
    it "should compare the count" do
      table = Arel::Table.new :users
      table[:id].count.eq(2).to_sql.must_be_like %{
        COUNT("users"."id") = 2
      }
    end
  end

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

    it "is not equal with different ivars" do
      array = [Arel::Nodes::Count.new("foo"), Arel::Nodes::Count.new("foo!")]
      assert_equal 2, array.uniq.size
    end
  end
end