mirror of
https://github.com/denoland/deno.git
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130 lines
4.1 KiB
Python
130 lines
4.1 KiB
Python
# Copyright 2018 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], 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
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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_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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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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assertEqual(err, 'ReferenceError: not_a_variable is not defined\n')
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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'), 250)",
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"setTimeout(() => console.log('b'), 150)",
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sleep=0.2)
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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_syntax_error(self):
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out, err, code = self.input("syntax error")
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assertEqual(out, '')
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assertEqual(err, "SyntaxError: Unexpected identifier\n")
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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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assertEqual(err, 'TypeError: console is not a function\n')
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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 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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if __name__ == "__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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