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# -*- coding: utf-8 -*-
require "minitest/autorun"
require "execjs/module"
begin
require "execjs"
rescue ExecJS::RuntimeUnavailable => e
warn e
exit 2
end
if defined? Minitest::Test
Test = Minitest::Test
elsif defined? MiniTest::Unit::TestCase
Test = MiniTest::Unit::TestCase
end
class TestExecJS < Test
def test_runtime_available
runtime = ExecJS::ExternalRuntime.new(command: "nonexistent")
assert !runtime.available?
runtime = ExecJS::ExternalRuntime.new(command: "ruby")
assert runtime.available?
end
def test_runtime_assignment
original_runtime = ExecJS.runtime
runtime = ExecJS::ExternalRuntime.new(command: "nonexistent")
assert_raises(ExecJS::RuntimeUnavailable) { ExecJS.runtime = runtime }
assert_equal original_runtime, ExecJS.runtime
runtime = ExecJS::ExternalRuntime.new(command: "ruby")
ExecJS.runtime = runtime
assert_equal runtime, ExecJS.runtime
ensure
ExecJS.runtime = original_runtime
end
def test_context_call
context = ExecJS.compile("id = function(v) { return v; }")
assert_equal "bar", context.call("id", "bar")
end
def test_nested_context_call
context = ExecJS.compile("a = {}; a.b = {}; a.b.id = function(v) { return v; }")
assert_equal "bar", context.call("a.b.id", "bar")
end
def test_context_call_missing_function
context = ExecJS.compile("")
assert_raises ExecJS::ProgramError do
context.call("missing")
end
end
def test_exec
assert_nil ExecJS.exec("1")
assert_nil ExecJS.exec("return")
assert_nil ExecJS.exec("return null")
assert_nil ExecJS.exec("return function() {}")
assert_equal 0, ExecJS.exec("return 0")
assert_equal true, ExecJS.exec("return true")
assert_equal [1, 2], ExecJS.exec("return [1, 2]")
assert_equal "hello", ExecJS.exec("return 'hello'")
assert_equal({"a"=>1,"b"=>2}, ExecJS.exec("return {a:1,b:2}"))
assert_equal "café", ExecJS.exec("return 'café'")
assert_equal "☃", ExecJS.exec('return "☃"')
assert_equal "☃", ExecJS.exec('return "\u2603"')
assert_equal "\\", ExecJS.exec('return "\\\\"')
end
def test_eval
assert_nil ExecJS.eval("")
assert_nil ExecJS.eval(" ")
assert_nil ExecJS.eval("null")
assert_nil ExecJS.eval("function() {}")
assert_equal 0, ExecJS.eval("0")
assert_equal true, ExecJS.eval("true")
assert_equal [1, 2], ExecJS.eval("[1, 2]")
assert_equal [1, nil], ExecJS.eval("[1, function() {}]")
assert_equal "hello", ExecJS.eval("'hello'")
assert_equal ["red", "yellow", "blue"], ExecJS.eval("'red yellow blue'.split(' ')")
assert_equal({"a"=>1,"b"=>2}, ExecJS.eval("{a:1,b:2}"))
assert_equal({"a"=>true}, ExecJS.eval("{a:true,b:function (){}}"))
assert_equal "café", ExecJS.eval("'café'")
assert_equal "☃", ExecJS.eval('"☃"')
assert_equal "☃", ExecJS.eval('"\u2603"')
assert_equal "\\", ExecJS.eval('"\\\\"')
end
def test_encoding
utf8 = Encoding.find('UTF-8')
assert_equal utf8, ExecJS.exec("return 'hello'").encoding
assert_equal utf8, ExecJS.eval("'☃'").encoding
ascii = "'hello'".encode('US-ASCII')
result = ExecJS.eval(ascii)
assert_equal "hello", result
assert_equal utf8, result.encoding
assert_raises Encoding::UndefinedConversionError do
binary = "\xde\xad\xbe\xef".force_encoding("BINARY")
ExecJS.eval(binary)
end
end
def test_encoding_compile
utf8 = Encoding.find('UTF-8')
context = ExecJS.compile("foo = function(v) { return '¶' + v; }".encode("ISO8859-15"))
assert_equal utf8, context.exec("return foo('hello')").encoding
assert_equal utf8, context.eval("foo('☃')").encoding
ascii = "foo('hello')".encode('US-ASCII')
result = context.eval(ascii)
assert_equal "¶hello", result
assert_equal utf8, result.encoding
assert_raises Encoding::UndefinedConversionError do
binary = "\xde\xad\xbe\xef".force_encoding("BINARY")
context.eval(binary)
end
end
def test_compile
context = ExecJS.compile("foo = function() { return \"bar\"; }")
assert_equal "bar", context.exec("return foo()")
assert_equal "bar", context.eval("foo()")
assert_equal "bar", context.call("foo")
end
def test_this_is_global_scope
assert_equal true, ExecJS.eval("this === (function() {return this})()")
assert_equal true, ExecJS.exec("return this === (function() {return this})()")
end
def test_commonjs_vars_are_undefined
assert ExecJS.eval("typeof module == 'undefined'")
assert ExecJS.eval("typeof exports == 'undefined'")
assert ExecJS.eval("typeof require == 'undefined'")
end
def test_console_is_undefined
assert ExecJS.eval("typeof console == 'undefined'")
end
def test_compile_large_scripts
body = "var foo = 'bar';\n" * 100_000
assert ExecJS.exec("function foo() {\n#{body}\n};\nreturn true")
end
def test_syntax_error
assert_raises ExecJS::RuntimeError do
ExecJS.exec(")")
end
end
def test_thrown_exception
assert_raises ExecJS::ProgramError do
ExecJS.exec("throw 'hello'")
end
end
def test_coffeescript
require "open-uri"
assert source = open("/usr/share/javascript/coffeescript/coffee-script.js").read
context = ExecJS.compile(source)
assert_equal 64, context.call("CoffeeScript.eval", "((x) -> x * x)(8)")
end
end
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