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#!/usr/bin/env python3 # Copyright (c) 2009, Giampaolo Rodola'. All rights reserved. # Use of this source code is governed by a BSD-style license that can be # found in the LICENSE file. """Test various scripts.""" import ast import os import shutil import stat import subprocess import pytest from psutil import LINUX from psutil import POSIX from psutil import WINDOWS from psutil.tests import CI_TESTING from psutil.tests import HAS_BATTERY from psutil.tests import HAS_MEMORY_MAPS from psutil.tests import HAS_SENSORS_BATTERY from psutil.tests import HAS_SENSORS_FANS from psutil.tests import HAS_SENSORS_TEMPERATURES from psutil.tests import PYTHON_EXE from psutil.tests import PYTHON_EXE_ENV from psutil.tests import ROOT_DIR from psutil.tests import SCRIPTS_DIR from psutil.tests import PsutilTestCase from psutil.tests import import_module_by_path from psutil.tests import psutil from psutil.tests import sh INTERNAL_SCRIPTS_DIR = os.path.join(SCRIPTS_DIR, "internal") SETUP_PY = os.path.join(ROOT_DIR, 'setup.py') # =================================================================== # --- Tests scripts in scripts/ directory # =================================================================== @pytest.mark.skipif( CI_TESTING and not os.path.exists(SCRIPTS_DIR), reason="can't find scripts/ directory", ) class TestExampleScripts(PsutilTestCase): @staticmethod def assert_stdout(exe, args): env = PYTHON_EXE_ENV.copy() env.pop("PSUTIL_DEBUG") # avoid spamming to stderr exe = os.path.join(SCRIPTS_DIR, exe) cmd = [PYTHON_EXE, exe, args] try: out = sh(cmd, env=env).strip() except RuntimeError as err: if 'AccessDenied' in str(err): return str(err) else: raise assert out, out return out @staticmethod def assert_syntax(exe): exe = os.path.join(SCRIPTS_DIR, exe) with open(exe, encoding="utf8") as f: src = f.read() ast.parse(src) def test_coverage(self): # make sure all example scripts have a test method defined meths = dir(self) for name in os.listdir(SCRIPTS_DIR): if name.endswith('.py'): if 'test_' + os.path.splitext(name)[0] not in meths: # self.assert_stdout(name) return pytest.fail( "no test defined for" f" {os.path.join(SCRIPTS_DIR, name)!r} script" ) @pytest.mark.skipif(not POSIX, reason="POSIX only") def test_executable(self): for root, dirs, files in os.walk(SCRIPTS_DIR): for file in files: if file.endswith('.py'): path = os.path.join(root, file) if not stat.S_IXUSR & os.stat(path)[stat.ST_MODE]: return pytest.fail(f"{path!r} is not executable") def test_disk_usage(self): self.assert_stdout('disk_usage.py') def test_free(self): self.assert_stdout('free.py') def test_meminfo(self): self.assert_stdout('meminfo.py') def test_procinfo(self): self.assert_stdout('procinfo.py', str(os.getpid())) @pytest.mark.skipif(CI_TESTING and not psutil.users(), reason="no users") def test_who(self): self.assert_stdout('who.py') def test_ps(self): self.assert_stdout('ps.py') def test_pstree(self): self.assert_stdout('pstree.py') def test_netstat(self): self.assert_stdout('netstat.py') def test_ifconfig(self): self.assert_stdout('ifconfig.py') @pytest.mark.skipif(not HAS_MEMORY_MAPS, reason="not supported") def test_pmap(self): self.assert_stdout('pmap.py', str(os.getpid())) def test_procsmem(self): if 'uss' not in psutil.Process().memory_full_info()._fields: return pytest.skip("not supported") self.assert_stdout('procsmem.py') def test_killall(self): self.assert_syntax('killall.py') def test_nettop(self): self.assert_syntax('nettop.py') def test_top(self): self.assert_syntax('top.py') def test_iotop(self): self.assert_syntax('iotop.py') def test_pidof(self): output = self.assert_stdout('pidof.py', psutil.Process().name()) assert str(os.getpid()) in output @pytest.mark.skipif(not WINDOWS, reason="WINDOWS only") def test_winservices(self): self.assert_stdout('winservices.py') def test_cpu_distribution(self): self.assert_syntax('cpu_distribution.py') @pytest.mark.skipif(not HAS_SENSORS_TEMPERATURES, reason="not supported") def test_temperatures(self): if not psutil.sensors_temperatures(): return pytest.skip("no temperatures") self.assert_stdout('temperatures.py') @pytest.mark.skipif(not HAS_SENSORS_FANS, reason="not supported") def test_fans(self): if not psutil.sensors_fans(): return pytest.skip("no fans") self.assert_stdout('fans.py') @pytest.mark.skipif(not HAS_SENSORS_BATTERY, reason="not supported") @pytest.mark.skipif(not HAS_BATTERY, reason="no battery") def test_battery(self): self.assert_stdout('battery.py') @pytest.mark.skipif(not HAS_SENSORS_BATTERY, reason="not supported") @pytest.mark.skipif(not HAS_BATTERY, reason="no battery") def test_sensors(self): self.assert_stdout('sensors.py') # =================================================================== # --- Tests scripts in scripts/internal/ directory # =================================================================== @pytest.mark.skipif( CI_TESTING and not os.path.exists(INTERNAL_SCRIPTS_DIR), reason="can't find scripts/internal/ directory", ) class TestInternalScripts(PsutilTestCase): @staticmethod def ls(): for name in os.listdir(INTERNAL_SCRIPTS_DIR): if name.endswith(".py"): yield os.path.join(INTERNAL_SCRIPTS_DIR, name) def test_syntax_all(self): for path in self.ls(): with open(path, encoding="utf8") as f: data = f.read() ast.parse(data) # don't care about other platforms, this is really just for myself @pytest.mark.skipif(not LINUX, reason="not on LINUX") @pytest.mark.skipif(CI_TESTING, reason="not on CI") def test_import_all(self): for path in self.ls(): try: import_module_by_path(path) except SystemExit: pass # =================================================================== # --- Tests for setup.py script # =================================================================== @pytest.mark.skipif( CI_TESTING and not os.path.exists(SETUP_PY), reason="can't find setup.py" ) class TestSetupScript(PsutilTestCase): def test_invocation(self): module = import_module_by_path(SETUP_PY) with pytest.raises(SystemExit): module.setup() assert module.get_version() == psutil.__version__ @pytest.mark.skipif( not shutil.which("python2.7"), reason="python2.7 not installed" ) def test_python2(self): # There's a duplicate of this test in scripts/internal # directory, which is only executed by CI. We replicate it here # to run it when developing locally. p = subprocess.Popen( [shutil.which("python2.7"), SETUP_PY], stdout=subprocess.PIPE, stderr=subprocess.PIPE, universal_newlines=True, ) stdout, stderr = p.communicate() assert p.wait() == 1 assert not stdout assert "psutil no longer supports Python 2.7" in stderr assert "Latest version supporting Python 2.7 is" in stderr