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|
# tests/test_shell.py -------------------------------------------*- python -*-
#
# This source file is part of the Swift.org open source project
#
# Copyright (c) 2014 - 2017 Apple Inc. and the Swift project authors
# Licensed under Apache License v2.0 with Runtime Library Exception
#
# See https://swift.org/LICENSE.txt for license information
# See https://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
# ----------------------------------------------------------------------------
import os
import os.path
import platform
import shutil
import sys
import tempfile
import unittest
from io import StringIO
from swift_build_support import shell
class ShellTestCase(unittest.TestCase):
def setUp(self):
self.tmpdir = os.path.realpath(tempfile.mkdtemp())
self._orig_stdout = sys.stdout
self._orig_stderr = sys.stderr
self.stdout = StringIO()
self.stderr = StringIO()
sys.stdout = self.stdout
sys.stderr = self.stderr
def tearDown(self):
sys.stdout = self._orig_stdout
sys.stderr = self._orig_stderr
if os.path.exists(self.tmpdir):
shutil.rmtree(self.tmpdir)
def test_quote_command(self):
self.assertEqual(shell.quote_command(["a b", "", "c"]), "'a b' '' c")
def test_call(self):
shell.dry_run = False
foo_file = os.path.join(self.tmpdir, 'foo.txt')
bar_file = os.path.join(self.tmpdir, 'bar.txt')
with open(foo_file, 'w') as f:
f.write("Hello Swift")
shell.call(['cp', foo_file, bar_file])
with open(bar_file, 'r') as f:
self.assertEqual(f.read(), "Hello Swift")
self.assertEqual(self.stdout.getvalue(), "")
self.assertEqual(self.stderr.getvalue(), '''\
+ cp {foo_file} {bar_file}
'''.format(foo_file=self._platform_quote(foo_file),
bar_file=self._platform_quote(bar_file)))
def test_capture(self):
self.assertEqual(shell.capture(["echo", "hi"]), "hi\n")
with self.assertRaises(SystemExit):
shell.capture(["false"])
self.assertIsNone(shell.capture(["false"], optional=True))
self.assertEqual(
shell.capture(["sh", "-c", "echo foo && false"],
allow_non_zero_exit=True), "foo\n")
with self.assertRaises(SystemExit):
shell.capture(["**not-a-command**"], optional=False)
self.assertIsNone(shell.capture(["**not-a-command**"], optional=True))
def test_rmtree(self):
shell.dry_run = False
path = os.path.join(self.tmpdir, 'foo', 'bar')
shell.makedirs(path)
self.assertTrue(os.path.isdir(path))
shell.rmtree(os.path.join(path))
self.assertFalse(
os.path.exists(os.path.join(path)))
self.assertTrue(
os.path.exists(os.path.join(self.tmpdir, 'foo')))
self.assertEqual(self.stdout.getvalue(), "")
self.assertEqual(self.stderr.getvalue(), '''\
+ mkdir -p {path}
+ rm -rf {path}
'''.format(path=self._platform_quote(path)))
def test_pushd(self):
shell.dry_run = False
basedir = os.getcwd()
with shell.pushd(self.tmpdir):
self.assertEqual(os.getcwd(), self.tmpdir)
self.assertEqual(os.getcwd(), basedir)
# pushd inside pushd
with shell.pushd(self.tmpdir):
self.assertEqual(os.getcwd(), self.tmpdir)
shell.makedirs('foo')
with shell.pushd('foo'):
self.assertEqual(os.getcwd(),
os.path.join(self.tmpdir, 'foo'))
self.assertEqual(os.getcwd(), self.tmpdir)
self.assertEqual(os.getcwd(), basedir)
# cd inside pushd
with shell.pushd(self.tmpdir):
os.chdir('foo')
self.assertEqual(os.getcwd(), os.path.join(self.tmpdir, 'foo'))
os.chdir('..')
self.assertEqual(os.getcwd(), self.tmpdir)
shell.rmtree('foo')
self.assertEqual(os.getcwd(), basedir)
self.assertEqual(self.stdout.getvalue(), "")
self.assertEqual(self.stderr.getvalue(), '''\
+ pushd {tmpdir}
+ popd
+ pushd {tmpdir}
+ mkdir -p foo
+ pushd foo
+ popd
+ popd
+ pushd {tmpdir}
+ rm -rf foo
+ popd
'''.format(tmpdir=self._platform_quote(self.tmpdir)))
def test_dry_run(self):
shell.dry_run = True
basedir = os.getcwd()
foobar_dir = os.path.join(self.tmpdir, 'foo', 'bar')
shell.makedirs(foobar_dir)
self.assertFalse(os.path.exists(os.path.join(self.tmpdir, 'foo')))
self.assertFalse(os.path.exists(foobar_dir))
with shell.pushd(foobar_dir):
self.assertEqual(os.getcwd(), basedir)
shell.call(['touch', 'testfile'])
self.assertFalse(os.path.exists(
os.path.join(foobar_dir, 'testfile')))
self.assertEqual(os.getcwd(), basedir)
shell.rmtree(self.tmpdir)
self.assertTrue(os.path.exists(self.tmpdir))
self.assertEqual(self.stdout.getvalue(), '''\
+ mkdir -p {foobar_dir}
+ pushd {foobar_dir}
+ touch testfile
+ popd
+ rm -rf {tmpdir}
'''.format(foobar_dir=self._platform_quote(foobar_dir),
tmpdir=self._platform_quote(self.tmpdir)))
self.assertEqual(self.stderr.getvalue(), "")
self.dry_run = False
def _platform_quote(self, path):
if platform.system() == 'Windows':
return "'{}'".format(path)
else:
return path
|
