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# frozen_string_literal: true
require "test_helper"
class TestCustomInflector < LoaderTest
test "raises TypeError if the inflector #camelize does not return a string" do
with_files([["foo.rb", nil]]) do
loader.inflector = Class.new(Zeitwerk::Inflector) do
def camelize(_basename, _abspath)
:Foo # this is wrong
end
end.new
loader.push_dir(".")
error = assert_raises TypeError do
loader.setup
end
assert_includes error.message, "#camelize must return a String"
end
end
test "raises if the returned constant names has ::" do
with_files([["foo-bar.rb", nil]]) do
loader.inflector = Class.new(Zeitwerk::Inflector) do
def camelize(basename, _abspath)
if basename == "foo-bar"
"Foo::Bar" # this is wrong
else
super
end
end
end.new
loader.push_dir(".")
error = assert_raises Zeitwerk::NameError do
loader.setup
end
assert_includes error.message, "wrong constant name Foo::Bar"
assert_includes error.message, "#camelize should return a simple constant name"
end
end
end
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