#N/A: Add port_already_in_use rule

2025-10-31 07:04:12 +00:00 · 2016-08-14 06:59:26 +03:00
parent a8c3c2d728
commit 56851e8d31
3 changed files with 141 additions and 0 deletions
--- a/tests/rules/test_port_already_in_use.py
+++ b/tests/rules/test_port_already_in_use.py
@@ -0,0 +1,101 @@
+from io import BytesIO
+
+import pytest
+from thefuck.rules.port_already_in_use import match, get_new_command
+from tests.utils import Command
+
+outputs = [
+    '''
+
+DE 70% 1/1 build modulesevents.js:141
+      throw er; // Unhandled 'error' event
+      ^
+
+Error: listen EADDRINUSE 127.0.0.1:8080
+    at Object.exports._errnoException (util.js:873:11)
+    at exports._exceptionWithHostPort (util.js:896:20)
+    at Server._listen2 (net.js:1250:14)
+    at listen (net.js:1286:10)
+    at net.js:1395:9
+    at GetAddrInfoReqWrap.asyncCallback [as callback] (dns.js:64:16)
+    at GetAddrInfoReqWrap.onlookup [as oncomplete] (dns.js:83:10)
+
+    ''',
+    '''
+[6:40:01 AM] <START> Building Dependency Graph
+[6:40:01 AM] <START> Crawling File System
+ ERROR  Packager can't listen on port 8080
+Most likely another process is already using this port
+Run the following command to find out which process:
+
+   lsof -n -i4TCP:8080
+
+You can either shut down the other process:
+
+   kill -9 <PID>
+
+or run packager on different port.
+
+    ''',
+    '''
+Traceback (most recent call last):
+  File "/usr/lib/python3.5/runpy.py", line 184, in _run_module_as_main
+    "__main__", mod_spec)
+  File "/usr/lib/python3.5/runpy.py", line 85, in _run_code
+    exec(code, run_globals)
+  File "/home/nvbn/exp/code_view/server/code_view/main.py", line 14, in <module>
+    web.run_app(app)
+  File "/home/nvbn/.virtualenvs/code_view/lib/python3.5/site-packages/aiohttp/web.py", line 310, in run_app
+    backlog=backlog))
+  File "/usr/lib/python3.5/asyncio/base_events.py", line 373, in run_until_complete
+    return future.result()
+  File "/usr/lib/python3.5/asyncio/futures.py", line 274, in result
+    raise self._exception
+  File "/usr/lib/python3.5/asyncio/tasks.py", line 240, in _step
+    result = coro.send(None)
+  File "/usr/lib/python3.5/asyncio/base_events.py", line 953, in create_server
+    % (sa, err.strerror.lower()))
+OSError: [Errno 98] error while attempting to bind on address ('0.0.0.0', 8080): address already in use
+Task was destroyed but it is pending!
+task: <Task pending coro=<RedisProtocol._reader_coroutine() running at /home/nvbn/.virtualenvs/code_view/lib/python3.5/site-packages/asyncio_redis/protocol.py:921> wait_for=<Future pending cb=[Task._wakeup()]>>
+    '''
+]
+
+lsof_stdout = b'''COMMAND   PID USER   FD   TYPE DEVICE SIZE/OFF NODE NAME
+node    18233 nvbn   16u  IPv4 557134      0t0  TCP localhost:http-alt (LISTEN)
+'''
+
+
+@pytest.fixture(autouse=True)
+def lsof(mocker):
+    patch = mocker.patch('thefuck.rules.port_already_in_use.Popen')
+    patch.return_value.stdout = BytesIO(lsof_stdout)
+    return patch
+
+
+@pytest.mark.usefixtures('no_memoize')
+@pytest.mark.parametrize(
+    'command',
+    [Command('./app', stdout=output) for output in outputs]
+    + [Command('./app', stderr=output) for output in outputs])
+def test_match(command):
+    assert match(command)
+
+
+@pytest.mark.usefixtures('no_memoize')
+@pytest.mark.parametrize('command, lsof_output', [
+    (Command('./app'), lsof_stdout),
+    (Command('./app', stdout=outputs[1]), b''),
+    (Command('./app', stderr=outputs[2]), b'')])
+def test_not_match(lsof, command, lsof_output):
+    lsof.return_value.stdout = BytesIO(lsof_output)
+
+    assert not match(command)
+
+
+@pytest.mark.parametrize(
+    'command',
+    [Command('./app', stdout=output) for output in outputs]
+    + [Command('./app', stderr=output) for output in outputs])
+def test_get_new_command(command):
+    assert get_new_command(command) == 'kill 18233 && ./app'