gem 'minitest'

require 'minitest/autorun'

require 'ruby2js/filter/require'

require 'ruby2js/filter/esm'

describe Ruby2JS::Filter::Require do

def to_js_bare(string)

Ruby2JS.convert(string, filters: [Ruby2JS::Filter::Require],

file: __FILE__)

end

def to_js(string)

_(to_js_bare(string).to_s)

end

def to_js_esm(string)

end

def to_js_esm_auto(string)

end

def to_js_esm_autodefault(string)

end

def to_js_esm_recursive(string)

end

describe :statement do

it "should handle require statements" do

to_js( 'require "require/test1.rb"' ).

must_equal 'console.log("test2"); console.log("test3")'

end

it "should support implicit '.rb' extensions" do

to_js( 'require "require/test1"' ).

must_equal 'console.log("test2"); console.log("test3")'

end

it "should process each file only once" do

to_js( 'require "require/test6"' ).

must_equal 'console.log("test2"); console.log("test3"); console.log("test6")'

end

end

describe :timestamps do

it "should gather timestamps from require statements" do

timestamps = to_js_bare( 'require "require/test1.rb"' ).timestamps

test1 = File.expand_path('../require/test1.rb', __FILE__)

test2 = File.expand_path('../require/test2.rb', __FILE__)

test3 = File.expand_path('../require/test3.js.rb', __FILE__)

_(timestamps.keys.length).must_equal 4

_(timestamps[__FILE__]).must_equal File.mtime(__FILE__)

_(timestamps[test1]).must_equal File.mtime(test1)

_(timestamps[test2]).must_equal File.mtime(test2)

_(timestamps[test3]).must_equal File.mtime(test3)

end

end

describe :esmimport do

it "should handle explicit exports" do

to_js_esm( 'require "require/test4.rb"' ).

must_equal 'import Whoa, { Foo } from "./require/test4.rb"'

end

it "should handle auto exports" do

to_js_esm_auto( 'require "require/test5.rb"' ).

must_equal 'import { Foo } from "./require/test5.rb"'

end

it "should handle auto exports default" do

to_js_esm_autodefault( 'require "require/test5.rb"' ).

must_equal 'import Foo from "./require/test5.rb"'

end

it "should handle require_recursive" do

to_js_esm_recursive( 'require "require/test7.rb"' ).

must_equal 'import A from "./sub1/test8.rb"; ' +

'import B from "./sub1/sub2/test9.rb"; ' +

'import C from "./sub1/test10.rb"'

end

end

describe :expression do

it "should leave local variable assignment expressions alone" do

to_js( 'fs = require("fs")' ).

must_equal 'var fs = require("fs")'

end

it "should leave constant assignment expressions alone" do

to_js( 'React = require("React")' ).

must_equal 'var React = require("React")'

end

end

describe Ruby2JS::Filter::DEFAULTS do

it "should include Require" do

_(Ruby2JS::Filter::DEFAULTS).must_include Ruby2JS::Filter::Require

end

end

end