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# pylint: disable=g-bad-file-header
# Copyright 2018 The Bazel Authors. All rights reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import os
import tempfile
import unittest
from src.tools.runfiles import runfiles
class RunfilesTest(unittest.TestCase):
# """Unit tests for `runfiles.Runfiles`."""
def testRlocationArgumentValidation(self):
r = runfiles.Create({"RUNFILES_DIR": "whatever"})
self.assertRaises(ValueError, lambda: r.Rlocation(None))
self.assertRaises(ValueError, lambda: r.Rlocation(""))
self.assertRaises(TypeError, lambda: r.Rlocation(1))
self.assertRaisesRegexp(ValueError, "contains uplevel",
lambda: r.Rlocation("foo/.."))
if RunfilesTest.IsWindows():
self.assertRaisesRegexp(ValueError, "is absolute",
lambda: r.Rlocation("\\foo"))
self.assertRaisesRegexp(ValueError, "is absolute",
lambda: r.Rlocation("c:/foo"))
self.assertRaisesRegexp(ValueError, "is absolute",
lambda: r.Rlocation("c:\\foo"))
else:
self.assertRaisesRegexp(ValueError, "is absolute",
lambda: r.Rlocation("/foo"))
def testCreatesManifestBasedRunfiles(self):
with _MockFile(["a/b c/d"]) as mf:
r = runfiles.Create({
"RUNFILES_MANIFEST_FILE": mf.Path(),
"RUNFILES_DIR": "ignored when RUNFILES_MANIFEST_FILE has a value",
"TEST_SRCDIR": "always ignored",
})
self.assertEqual(r.Rlocation("a/b"), "c/d")
self.assertIsNone(r.Rlocation("foo"))
self.assertDictEqual(r.EnvVar(), {"RUNFILES_MANIFEST_FILE": mf.Path()})
def testCreatesDirectoryBasedRunfiles(self):
r = runfiles.Create({
"RUNFILES_DIR": "runfiles/dir",
"TEST_SRCDIR": "always ignored",
})
self.assertEqual(r.Rlocation("a/b"), "runfiles/dir/a/b")
self.assertEqual(r.Rlocation("foo"), "runfiles/dir/foo")
self.assertDictEqual(r.EnvVar(), {"RUNFILES_DIR": "runfiles/dir"})
def testFailsToCreateManifestBasedBecauseManifestDoesNotExist(self):
def _Run():
runfiles.Create({"RUNFILES_MANIFEST_FILE": "non-existing path"})
self.assertRaisesRegexp(IOError, "non-existing path", _Run)
def testFailsToCreateAnyRunfilesBecauseEnvvarsAreNotDefined(self):
with _MockFile(["a b"]) as mf:
runfiles.Create({
"RUNFILES_MANIFEST_FILE": mf.Path(),
"RUNFILES_DIR": "whatever",
"TEST_SRCDIR": "always ignored",
})
runfiles.Create({
"RUNFILES_DIR": "whatever",
"TEST_SRCDIR": "always ignored",
})
self.assertIsNone(runfiles.Create({"TEST_SRCDIR": "always ignored"}))
self.assertIsNone(runfiles.Create({"FOO": "bar"}))
def testManifestBasedRlocation(self):
with _MockFile([
"Foo/runfile1", "Foo/runfile2 C:/Actual Path\\runfile2",
"Foo/Bar/runfile3 D:\\the path\\run file 3.txt"
]) as mf:
r = runfiles.CreateManifestBased(mf.Path())
self.assertEqual(r.Rlocation("Foo/runfile1"), "Foo/runfile1")
self.assertEqual(r.Rlocation("Foo/runfile2"), "C:/Actual Path\\runfile2")
self.assertEqual(
r.Rlocation("Foo/Bar/runfile3"), "D:\\the path\\run file 3.txt")
self.assertIsNone(r.Rlocation("unknown"))
self.assertDictEqual(r.EnvVar(), {"RUNFILES_MANIFEST_FILE": mf.Path()})
def testDirectoryBasedRlocation(self):
# The _DirectoryBased strategy simply joins the runfiles directory and the
# runfile's path on a "/". This strategy does not perform any normalization,
# nor does it check that the path exists.
r = runfiles.CreateDirectoryBased("foo/bar baz//qux/")
self.assertEqual(r.Rlocation("arg"), "foo/bar baz//qux/arg")
self.assertDictEqual(r.EnvVar(), {"RUNFILES_DIR": "foo/bar baz//qux/"})
@staticmethod
def IsWindows():
return os.name == "nt"
class _MockFile(object):
def __init__(self, contents):
self._contents = contents
self._path = None
def __enter__(self):
tmpdir = os.environ.get("TEST_TMPDIR")
self._path = os.path.join(tempfile.mkdtemp(dir=tmpdir), "x")
with open(self._path, "wt") as f:
f.writelines(l + "\n" for l in self._contents)
return self
def __exit__(self, exc_type, exc_value, traceback):
os.remove(self._path)
os.rmdir(os.path.dirname(self._path))
def Path(self):
return self._path
if __name__ == "__main__":
unittest.main()
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