aboutsummaryrefslogtreecommitdiffstats
path: root/activemodel/test/cases/conversion_test.rb
blob: c5cfbf909df34b75b32b836f5120ec5eea6469b4 (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
require 'cases/helper'
require 'models/contact'
require 'models/helicopter'

class ConversionTest < ActiveModel::TestCase
  test "to_model default implementation returns self" do
    contact = Contact.new
    assert_equal contact, contact.to_model
  end

  test "to_key default implementation returns nil for new records" do
    assert_nil Contact.new.to_key
  end

  test "to_key default implementation returns the id in an array for persisted records" do
    assert_equal [1], Contact.new(id: 1).to_key
  end

  test "to_param default implementation returns nil for new records" do
    assert_nil Contact.new.to_param
  end

  test "to_param default implementation returns a string of ids for persisted records" do
    assert_equal "1", Contact.new(id: 1).to_param
  end

  test "to_param returns nil if to_key is nil" do
    klass = Class.new(Contact) do
      def persisted?
        true
      end
    end

    assert_nil klass.new.to_param
  end

  test "to_partial_path default implementation returns a string giving a relative path" do
    assert_equal "contacts/contact", Contact.new.to_partial_path
    assert_equal "helicopters/helicopter", Helicopter.new.to_partial_path,
      "ActiveModel::Conversion#to_partial_path caching should be class-specific"
  end

  test "to_partial_path handles namespaced models" do
    assert_equal "helicopter/comanches/comanche", Helicopter::Comanche.new.to_partial_path
  end
end