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require 'abstract_unit'
require 'active_support/core_ext/module/qualified_const'
module QualifiedConstTestMod
X = false
module M
X = 1
class C
X = 2
end
end
module N
include M
end
end
class QualifiedConstTest < ActiveSupport::TestCase
test "Object.qualified_const_defined?" do
assert Object.qualified_const_defined?("QualifiedConstTestMod")
assert !Object.qualified_const_defined?("NonExistingQualifiedConstTestMod")
assert Object.qualified_const_defined?("QualifiedConstTestMod::X")
assert !Object.qualified_const_defined?("QualifiedConstTestMod::Y")
assert Object.qualified_const_defined?("QualifiedConstTestMod::M::X")
assert !Object.qualified_const_defined?("QualifiedConstTestMod::M::Y")
if Module.method(:const_defined?).arity == 1
assert !Object.qualified_const_defined?("QualifiedConstTestMod::N::X")
else
assert Object.qualified_const_defined?("QualifiedConstTestMod::N::X")
assert !Object.qualified_const_defined?("QualifiedConstTestMod::N::X", false)
assert Object.qualified_const_defined?("QualifiedConstTestMod::N::X", true)
end
end
test "mod.qualified_const_defined?" do
assert QualifiedConstTestMod.qualified_const_defined?("M")
assert !QualifiedConstTestMod.qualified_const_defined?("NonExistingM")
assert QualifiedConstTestMod.qualified_const_defined?("M::X")
assert !QualifiedConstTestMod.qualified_const_defined?("M::Y")
assert QualifiedConstTestMod.qualified_const_defined?("M::C::X")
assert !QualifiedConstTestMod.qualified_const_defined?("M::C::Y")
if Module.method(:const_defined?).arity == 1
assert !QualifiedConstTestMod.qualified_const_defined?("QualifiedConstTestMod::N::X")
else
assert QualifiedConstTestMod.qualified_const_defined?("N::X")
assert !QualifiedConstTestMod.qualified_const_defined?("N::X", false)
assert QualifiedConstTestMod.qualified_const_defined?("N::X", true)
end
end
test "qualified_const_get" do
assert_equal false, Object.qualified_const_get("QualifiedConstTestMod::X")
assert_equal false, QualifiedConstTestMod.qualified_const_get("X")
assert_equal 1, QualifiedConstTestMod.qualified_const_get("M::X")
assert_equal 1, QualifiedConstTestMod.qualified_const_get("N::X")
assert_equal 2, QualifiedConstTestMod.qualified_const_get("M::C::X")
assert_raise(NameError) { QualifiedConstTestMod.qualified_const_get("M::C::Y")}
end
test "qualified_const_set" do
begin
m = Module.new
assert_equal m, Object.qualified_const_set("QualifiedConstTestMod2", m)
assert_equal m, ::QualifiedConstTestMod2
# We are going to assign to existing constants on purpose, so silence warnings.
silence_warnings do
assert_equal true, QualifiedConstTestMod.qualified_const_set("QualifiedConstTestMod::X", true)
assert_equal true, QualifiedConstTestMod::X
assert_equal 10, QualifiedConstTestMod::M.qualified_const_set("X", 10)
assert_equal 10, QualifiedConstTestMod::M::X
end
ensure
silence_warnings do
QualifiedConstTestMod.qualified_const_set('QualifiedConstTestMod::X', false)
QualifiedConstTestMod::M.qualified_const_set('X', 1)
end
end
end
test "reject absolute paths" do
assert_raise_with_message(NameError, "wrong constant name ::X") { Object.qualified_const_defined?("::X")}
assert_raise_with_message(NameError, "wrong constant name ::X") { Object.qualified_const_defined?("::X::Y")}
assert_raise_with_message(NameError, "wrong constant name ::X") { Object.qualified_const_get("::X")}
assert_raise_with_message(NameError, "wrong constant name ::X") { Object.qualified_const_get("::X::Y")}
assert_raise_with_message(NameError, "wrong constant name ::X") { Object.qualified_const_set("::X", nil)}
assert_raise_with_message(NameError, "wrong constant name ::X") { Object.qualified_const_set("::X::Y", nil)}
end
private
def assert_raise_with_message(expected_exception, expected_message, &block)
exception = assert_raise(expected_exception, &block)
assert_equal expected_message, exception.message
end
end
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