test/prism/constant_path_node_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
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56

# frozen_string_literal: true

require_relative "test_helper"

module Prism
  class ConstantPathNodeTest < TestCase
    def test_full_name_for_constant_path
      source = <<~RUBY
        Foo:: # comment
          Bar::Baz::
            Qux
      RUBY

      constant_path = Prism.parse(source).value.statements.body.first
      assert_equal("Foo::Bar::Baz::Qux", constant_path.full_name)
    end

    def test_full_name_for_constant_path_with_self
      source = <<~RUBY
        self:: # comment
          Bar::Baz::
            Qux
      RUBY

      constant_path = Prism.parse(source).value.statements.body.first
      assert_raise(ConstantPathNode::DynamicPartsInConstantPathError) do
        constant_path.full_name
      end
    end

    def test_full_name_for_constant_path_with_variable
      source = <<~RUBY
        foo:: # comment
          Bar::Baz::
            Qux
      RUBY

      constant_path = Prism.parse(source).value.statements.body.first

      assert_raise(ConstantPathNode::DynamicPartsInConstantPathError) do
        constant_path.full_name
      end
    end

    def test_full_name_for_constant_path_target
      source = <<~RUBY
        Foo:: # comment
          Bar::Baz::
            Qux, Something = [1, 2]
      RUBY

      node = Prism.parse(source).value.statements.body.first
      assert_equal("Foo::Bar::Baz::Qux", node.lefts.first.full_name)
    end
  end
end