aboutsummaryrefslogtreecommitdiffstats
path: root/activerecord/test/cases/adapters/postgresql/enum_test.rb
blob: 83cedc5a7b395157abd50bfc66c66f498fa11b22 (plain) (blame)
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
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
# -*- coding: utf-8 -*-
require "cases/helper"
require 'support/connection_helper'

class PostgresqlEnumTest < ActiveRecord::TestCase
  include ConnectionHelper

  class PostgresqlEnum < ActiveRecord::Base
    self.table_name = "postgresql_enums"
  end

  def setup
    @connection = ActiveRecord::Base.connection
    @connection.transaction do
      @connection.execute <<-SQL
        CREATE TYPE mood AS ENUM ('sad', 'ok', 'happy');
      SQL
      @connection.create_table('postgresql_enums') do |t|
        t.column :current_mood, :mood
      end
    end
  end

  teardown do
    @connection.execute 'DROP TABLE IF EXISTS postgresql_enums'
    @connection.execute 'DROP TYPE IF EXISTS mood'
    reset_connection
  end

  def test_column
    column = PostgresqlEnum.columns_hash["current_mood"]
    assert_equal :enum, column.type
    assert_equal "mood", column.sql_type
    assert_not column.number?
    assert_not column.binary?
    assert_not column.array
  end

  def test_enum_defaults
    @connection.add_column 'postgresql_enums', 'good_mood', :mood, default: 'happy'
    PostgresqlEnum.reset_column_information

    assert_equal "happy", PostgresqlEnum.column_defaults['good_mood']
    assert_equal "happy", PostgresqlEnum.new.good_mood
  ensure
    PostgresqlEnum.reset_column_information
  end

  def test_enum_mapping
    @connection.execute "INSERT INTO postgresql_enums VALUES (1, 'sad');"
    enum = PostgresqlEnum.first
    assert_equal "sad", enum.current_mood

    enum.current_mood = "happy"
    enum.save!

    assert_equal "happy", enum.reload.current_mood
  end

  def test_invalid_enum_update
    @connection.execute "INSERT INTO postgresql_enums VALUES (1, 'sad');"
    enum = PostgresqlEnum.first
    enum.current_mood = "angry"

    assert_raise ActiveRecord::StatementInvalid do
      enum.save
    end
  end

  def test_no_oid_warning
    @connection.execute "INSERT INTO postgresql_enums VALUES (1, 'sad');"
    stderr_output = capture(:stderr) { PostgresqlEnum.first }

    assert stderr_output.blank?
  end

  def test_enum_type_cast
    enum = PostgresqlEnum.new
    enum.current_mood = :happy

    assert_equal "happy", enum.current_mood
  end
end