Class: RubyIndexer::ReferenceFinderTest

Inherits:
Minitest::Test
  • Object
show all
Defined in:
lib/ruby_indexer/test/reference_finder_test.rb

Instance Method Summary collapse

Instance Method Details

#test_accounts_for_reopened_classes ⇒ Object 



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# File 'lib/ruby_indexer/test/reference_finder_test.rb', line 342

def test_accounts_for_reopened_classes
  refs = find_const_references("Foo", <<~RUBY)
    class Foo
    end
    class Foo
      class Bar
      end
    end

    Foo.new
  RUBY

  assert_equal(3, refs.size)

  assert_equal("Foo", refs[0].name)
  assert_equal(1, refs[0].location.start_line)

  assert_equal("Foo", refs[1].name)
  assert_equal(3, refs[1].location.start_line)

  assert_equal("Foo", refs[2].name)
  assert_equal(8, refs[2].location.start_line)
end

#test_does_not_mismatch_on_readers_and_writers ⇒ Object 



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# File 'lib/ruby_indexer/test/reference_finder_test.rb', line 94

def test_does_not_mismatch_on_readers_and_writers
  refs = find_method_references("foo", <<~RUBY)
    class Bar
      def foo
      end

      def foo=(value)
      end

      def baz
        self.foo = 1
        self.foo
      end
    end
  RUBY

  # We want to match `foo` but not `foo=`
  assert_equal(2, refs.size)

  assert_equal("foo", refs[0].name)
  assert_equal(2, refs[0].location.start_line)

  assert_equal("foo", refs[1].name)
  assert_equal(10, refs[1].location.start_line)
end

#test_find_inherited_methods ⇒ Object 



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# File 'lib/ruby_indexer/test/reference_finder_test.rb', line 146

def test_find_inherited_methods
  refs = find_method_references("foo", <<~RUBY)
    class Bar
      def foo
      end
    end

    class Baz < Bar
      super.foo
    end
  RUBY

  assert_equal(2, refs.size)

  assert_equal("foo", refs[0].name)
  assert_equal(2, refs[0].location.start_line)

  assert_equal("foo", refs[1].name)
  assert_equal(7, refs[1].location.start_line)
end

#test_finds_constant_references ⇒ Object 



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# File 'lib/ruby_indexer/test/reference_finder_test.rb', line 8

def test_finds_constant_references
  refs = find_const_references("Foo::Bar", <<~RUBY)
    module Foo
      class Bar
      end

      Bar
    end

    Foo::Bar
  RUBY

  assert_equal("Bar", refs[0].name)
  assert_equal(2, refs[0].location.start_line)

  assert_equal("Bar", refs[1].name)
  assert_equal(5, refs[1].location.start_line)

  assert_equal("Foo::Bar", refs[2].name)
  assert_equal(8, refs[2].location.start_line)
end

#test_finds_constant_references_inside_singleton_contexts ⇒ Object 



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# File 'lib/ruby_indexer/test/reference_finder_test.rb', line 30

def test_finds_constant_references_inside_singleton_contexts
  refs = find_const_references("Foo::<Class:Foo>::Bar", <<~RUBY)
    class Foo
      class << self
        class Bar
        end

        Bar
      end
    end
  RUBY

  assert_equal("Bar", refs[0].name)
  assert_equal(3, refs[0].location.start_line)

  assert_equal("Bar", refs[1].name)
  assert_equal(6, refs[1].location.start_line)
end

#test_finds_instance_variable_references ⇒ Object 



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# File 'lib/ruby_indexer/test/reference_finder_test.rb', line 219

def test_finds_instance_variable_references
  refs = find_instance_variable_references("@name", ["Foo"], <<~RUBY)
    class Foo
      def initialize
        @name = "foo"
      end
      def name
        @name
      end
      def name_capital
        @name[0]
      end
    end

    class Bar
      def initialize
        @name = "foo"
      end
      def name
        @name
      end
    end
  RUBY
  assert_equal(3, refs.size)

  assert_equal("@name", refs[0].name)
  assert_equal(3, refs[0].location.start_line)

  assert_equal("@name", refs[1].name)
  assert_equal(6, refs[1].location.start_line)

  assert_equal("@name", refs[2].name)
  assert_equal(9, refs[2].location.start_line)
end

#test_finds_instance_variable_references_in_owner_ancestors ⇒ Object 



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# File 'lib/ruby_indexer/test/reference_finder_test.rb', line 276

def test_finds_instance_variable_references_in_owner_ancestors
  refs = find_instance_variable_references("@name", ["Foo", "Base", "Top", "Parent"], <<~RUBY)
    module Base
      def change_name(name)
        @name = name
      end
      def name
        @name
      end

      module ::Top
        def name
          @name
        end
      end
    end

    class Parent
      def initialize
        @name = "parent"
      end
      def name_capital
        @name[0]
      end
    end

    class Foo < Parent
      include Base
      def initialize
        @name = "foo"
      end
      def name
        @name
      end
    end

    class Bar
      def name
        @name = "bar"
      end
    end
  RUBY
  assert_equal(7, refs.size)

  assert_equal("@name", refs[0].name)
  assert_equal(3, refs[0].location.start_line)

  assert_equal("@name", refs[1].name)
  assert_equal(6, refs[1].location.start_line)

  assert_equal("@name", refs[2].name)
  assert_equal(11, refs[2].location.start_line)

  assert_equal("@name", refs[3].name)
  assert_equal(18, refs[3].location.start_line)

  assert_equal("@name", refs[4].name)
  assert_equal(21, refs[4].location.start_line)

  assert_equal("@name", refs[5].name)
  assert_equal(28, refs[5].location.start_line)

  assert_equal("@name", refs[6].name)
  assert_equal(31, refs[6].location.start_line)
end

#test_finds_instance_variable_write_references ⇒ Object 



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# File 'lib/ruby_indexer/test/reference_finder_test.rb', line 254

def test_finds_instance_variable_write_references
  refs = find_instance_variable_references("@foo", ["Foo"], <<~RUBY)
    class Foo
      def write
        @foo = 1
        @foo &&= 2
        @foo ||= 3
        @foo += 4
        @foo, @bar = []
      end
    end
  RUBY
  assert_equal(5, refs.size)

  assert_equal(["@foo"], refs.map(&:name).uniq)
  assert_equal(3, refs[0].location.start_line)
  assert_equal(4, refs[1].location.start_line)
  assert_equal(5, refs[2].location.start_line)
  assert_equal(6, refs[3].location.start_line)
  assert_equal(7, refs[4].location.start_line)
end

#test_finds_method_references ⇒ Object 



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# File 'lib/ruby_indexer/test/reference_finder_test.rb', line 73

def test_finds_method_references
  refs = find_method_references("foo", <<~RUBY)
    class Bar
      def foo
      end

      def baz
        foo
      end
    end
  RUBY

  assert_equal(2, refs.size)

  assert_equal("foo", refs[0].name)
  assert_equal(2, refs[0].location.start_line)

  assert_equal("foo", refs[1].name)
  assert_equal(6, refs[1].location.start_line)
end

#test_finds_methods_created_in_mixins ⇒ Object 



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# File 'lib/ruby_indexer/test/reference_finder_test.rb', line 167

def test_finds_methods_created_in_mixins
  refs = find_method_references("foo", <<~RUBY)
    module Mixin
      def foo
      end
    end

    class Bar
      include Mixin
    end

    Bar.foo
  RUBY

  assert_equal(2, refs.size)

  assert_equal("foo", refs[0].name)
  assert_equal(2, refs[0].location.start_line)

  assert_equal("foo", refs[1].name)
  assert_equal(10, refs[1].location.start_line)
end

#test_finds_singleton_methods ⇒ Object 



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# File 'lib/ruby_indexer/test/reference_finder_test.rb', line 190

def test_finds_singleton_methods
  # The current implementation matches on both `Bar.foo` and `Bar#foo` even though they are different

  refs = find_method_references("foo", <<~RUBY)
    class Bar
      class << self
        def foo
        end
      end

      def foo
      end
    end

    Bar.foo
  RUBY

  assert_equal(3, refs.size)

  assert_equal("foo", refs[0].name)
  assert_equal(3, refs[0].location.start_line)

  assert_equal("foo", refs[1].name)
  assert_equal(7, refs[1].location.start_line)

  assert_equal("foo", refs[2].name)
  assert_equal(11, refs[2].location.start_line)
end

#test_finds_top_level_constant_references ⇒ Object 



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# File 'lib/ruby_indexer/test/reference_finder_test.rb', line 49

def test_finds_top_level_constant_references
  refs = find_const_references("Bar", <<~RUBY)
    class Bar
    end

    class Foo
      ::Bar

      class << self
        ::Bar
      end
    end
  RUBY

  assert_equal("Bar", refs[0].name)
  assert_equal(1, refs[0].location.start_line)

  assert_equal("::Bar", refs[1].name)
  assert_equal(5, refs[1].location.start_line)

  assert_equal("::Bar", refs[2].name)
  assert_equal(8, refs[2].location.start_line)
end

#test_matches_writers ⇒ Object 



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# File 'lib/ruby_indexer/test/reference_finder_test.rb', line 120

def test_matches_writers
  refs = find_method_references("foo=", <<~RUBY)
    class Bar
      def foo
      end

      def foo=(value)
      end

      def baz
        self.foo = 1
        self.foo
      end
    end
  RUBY

  # We want to match `foo=` but not `foo`
  assert_equal(2, refs.size)

  assert_equal("foo=", refs[0].name)
  assert_equal(5, refs[0].location.start_line)

  assert_equal("foo=", refs[1].name)
  assert_equal(9, refs[1].location.start_line)
end