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a21a5ad2fa
Resolves #1705 This PR adds the Deno APIs as a global namespace named `Deno`. For backwards compatibility, the ability to `import * from "deno"` is preserved. I have tried to convert every test and internal code the references the module to use the namespace instead, but because I didn't break compatibility I am not sure. On the REPL, `deno` no longer exists, replaced only with `Deno` to align with the regular runtime. The runtime type library includes both the namespace and module. This means it duplicates the whole type information. When we remove the functionality from the runtime, it will be a one line change to the library generator to remove the module definition from the type library. I marked a `TODO` in a couple places where to remove the `"deno"` module, but there are additional places I know I didn't mark.
167 lines
5.1 KiB
Python
167 lines
5.1 KiB
Python
# Copyright 2018-2019 the Deno authors. All rights reserved. MIT license.
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import os
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from subprocess import CalledProcessError, PIPE, Popen
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import sys
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import time
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from util import build_path, executable_suffix, green_ok
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class Repl(object):
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def __init__(self, deno_exe):
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self.deno_exe = deno_exe
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self._warm_up()
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def _warm_up(self):
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# This may output an error message about the history file (ignore it).
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self.input("")
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def input(self, *lines, **kwargs):
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exit_ = kwargs.pop("exit", True)
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sleep_ = kwargs.pop("sleep", 0)
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p = Popen([self.deno_exe, "-A"], stdout=PIPE, stderr=PIPE, stdin=PIPE)
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try:
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# Note: The repl takes a >100ms until it's ready.
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time.sleep(sleep_)
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for line in lines:
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p.stdin.write(line.encode("utf-8") + b'\n')
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p.stdin.flush()
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time.sleep(sleep_)
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if exit_:
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p.stdin.write(b'Deno.exit(0)\n')
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else:
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time.sleep(1) # wait to be killed by js
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out, err = p.communicate()
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except CalledProcessError as e:
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p.kill()
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p.wait()
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raise e
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retcode = p.poll()
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# Ignore Windows CRLF (\r\n).
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return out.replace('\r\n', '\n'), err.replace('\r\n', '\n'), retcode
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def run(self):
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print('repl_test.py')
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test_names = [name for name in dir(self) if name.startswith("test_")]
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for t in test_names:
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self.__getattribute__(t)()
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sys.stdout.write(".")
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sys.stdout.flush()
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print(' {}\n'.format(green_ok()))
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def test_console_log(self):
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out, err, code = self.input("console.log('hello')", "'world'")
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assertEqual(out, 'hello\nundefined\nworld\n')
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assertEqual(err, '')
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assertEqual(code, 0)
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def test_exit_command(self):
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out, err, code = self.input("exit", "'ignored'", exit=False)
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assertEqual(out, '')
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assertEqual(err, '')
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assertEqual(code, 0)
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def test_help_command(self):
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out, err, code = self.input("help")
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expectedOut = '\n'.join([
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"exit Exit the REPL",
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"help Print this help message",
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"",
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])
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assertEqual(out, expectedOut)
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assertEqual(err, '')
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assertEqual(code, 0)
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def test_function(self):
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out, err, code = self.input("Deno.writeFileSync")
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assertEqual(out, '[Function: writeFileSync]\n')
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assertEqual(err, '')
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assertEqual(code, 0)
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def test_multiline(self):
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out, err, code = self.input("(\n1 + 2\n)")
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assertEqual(out, '3\n')
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assertEqual(err, '')
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assertEqual(code, 0)
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# This should print error instead of wait for input
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def test_eval_unterminated(self):
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out, err, code = self.input("eval('{')")
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assertEqual(out, '')
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assert "Unexpected end of input" in err
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assertEqual(code, 0)
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def test_reference_error(self):
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out, err, code = self.input("not_a_variable")
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assertEqual(out, '')
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assert "not_a_variable is not defined" in err
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assertEqual(code, 0)
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def test_set_timeout(self):
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out, err, code = self.input(
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"setTimeout(() => { console.log('b'); Deno.exit(0); }, 10)",
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"'a'",
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exit=False)
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assertEqual(out, '1\na\nb\n')
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assertEqual(err, '')
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assertEqual(code, 0)
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def test_set_timeout_interlaced(self):
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out, err, code = self.input(
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"setTimeout(() => console.log('a'), 1000)",
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"setTimeout(() => console.log('b'), 600)",
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sleep=0.8)
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assertEqual(out, '1\n2\na\nb\n')
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assertEqual(err, '')
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assertEqual(code, 0)
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def test_async_op(self):
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out, err, code = self.input(
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"fetch('http://localhost:4545/tests/001_hello.js')" +
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".then(res => res.text()).then(console.log)",
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sleep=1)
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assertEqual(out, 'Promise {}\nconsole.log("Hello World");\n\n')
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assertEqual(err, '')
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assertEqual(code, 0)
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def test_syntax_error(self):
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out, err, code = self.input("syntax error")
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assertEqual(out, '')
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assert "Unexpected identifier" in err
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assertEqual(code, 0)
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def test_type_error(self):
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out, err, code = self.input("console()")
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assertEqual(out, '')
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assert "console is not a function" in err
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assertEqual(code, 0)
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def test_variable(self):
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out, err, code = self.input("var a = 123;", "a")
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assertEqual(out, 'undefined\n123\n')
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assertEqual(err, '')
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assertEqual(code, 0)
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def test_lexical_scoped_variable(self):
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out, err, code = self.input("let a = 123;", "a")
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assertEqual(out, 'undefined\n123\n')
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assertEqual(err, '')
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assertEqual(code, 0)
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def assertEqual(left, right):
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if left != right:
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raise AssertionError("{} != {}".format(repr(left), repr(right)))
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def repl_tests(deno_exe):
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Repl(deno_exe).run()
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def main():
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deno_exe = os.path.join(build_path(), "deno" + executable_suffix)
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repl_tests(deno_exe)
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if __name__ == "__main__":
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main()
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