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# typed: true
# frozen_string_literal: true
require_relative "test_case"
module RubyIndexer
class ClassVariableTest < TestCase
def test_class_variable_and_write
index(<<~RUBY)
class Foo
@@bar &&= 1
end
RUBY
assert_entry("@@bar", Entry::ClassVariable, "/fake/path/foo.rb:1-2:1-7")
entry = @index["@@bar"]&.first #: as Entry::ClassVariable
owner = entry.owner #: as !nil
assert_instance_of(Entry::Class, owner)
assert_equal("Foo", owner.name)
end
def test_class_variable_operator_write
index(<<~RUBY)
class Foo
@@bar += 1
end
RUBY
assert_entry("@@bar", Entry::ClassVariable, "/fake/path/foo.rb:1-2:1-7")
end
def test_class_variable_or_write
index(<<~RUBY)
class Foo
@@bar ||= 1
end
RUBY
assert_entry("@@bar", Entry::ClassVariable, "/fake/path/foo.rb:1-2:1-7")
end
def test_class_variable_target_node
index(<<~RUBY)
class Foo
@@foo, @@bar = 1
end
RUBY
assert_entry("@@foo", Entry::ClassVariable, "/fake/path/foo.rb:1-2:1-7")
assert_entry("@@bar", Entry::ClassVariable, "/fake/path/foo.rb:1-9:1-14")
entry = @index["@@foo"]&.first #: as Entry::ClassVariable
owner = entry.owner #: as !nil
assert_instance_of(Entry::Class, owner)
assert_equal("Foo", owner.name)
entry = @index["@@bar"]&.first #: as Entry::ClassVariable
owner = entry.owner #: as !nil
assert_instance_of(Entry::Class, owner)
assert_equal("Foo", owner.name)
end
def test_class_variable_write
index(<<~RUBY)
class Foo
@@bar = 1
end
RUBY
assert_entry("@@bar", Entry::ClassVariable, "/fake/path/foo.rb:1-2:1-7")
end
def test_empty_name_class_variable
index(<<~RUBY)
module Foo
@@ = 1
end
RUBY
refute_entry("@@")
end
def test_top_level_class_variable
index(<<~RUBY)
@@foo = 123
RUBY
entry = @index["@@foo"]&.first #: as Entry::ClassVariable
assert_nil(entry.owner)
end
def test_class_variable_inside_self_method
index(<<~RUBY)
class Foo
def self.bar
@@bar = 123
end
end
RUBY
entry = @index["@@bar"]&.first #: as Entry::ClassVariable
owner = entry.owner #: as !nil
assert_instance_of(Entry::Class, owner)
assert_equal("Foo", owner.name)
end
def test_class_variable_inside_singleton_class
index(<<~RUBY)
class Foo
class << self
@@bar = 123
end
end
RUBY
entry = @index["@@bar"]&.first #: as Entry::ClassVariable
owner = entry.owner #: as !nil
assert_instance_of(Entry::Class, owner)
assert_equal("Foo", owner.name)
end
def test_class_variable_in_singleton_class_method
index(<<~RUBY)
class Foo
class << self
def self.bar
@@bar = 123
end
end
end
RUBY
entry = @index["@@bar"]&.first #: as Entry::ClassVariable
owner = entry.owner #: as !nil
assert_instance_of(Entry::Class, owner)
assert_equal("Foo", owner.name)
end
end
end
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