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| import os | |
| import pytest | |
| from tempfile import mkdtemp, mkstemp, NamedTemporaryFile | |
| from shutil import rmtree | |
| import numpy.lib._datasource as datasource | |
| from numpy.testing import assert_, assert_equal, assert_raises | |
| import urllib.request as urllib_request | |
| from urllib.parse import urlparse | |
| from urllib.error import URLError | |
| def urlopen_stub(url, data=None): | |
| '''Stub to replace urlopen for testing.''' | |
| if url == valid_httpurl(): | |
| tmpfile = NamedTemporaryFile(prefix='urltmp_') | |
| return tmpfile | |
| else: | |
| raise URLError('Name or service not known') | |
| # setup and teardown | |
| old_urlopen = None | |
| def setup_module(): | |
| global old_urlopen | |
| old_urlopen = urllib_request.urlopen | |
| urllib_request.urlopen = urlopen_stub | |
| def teardown_module(): | |
| urllib_request.urlopen = old_urlopen | |
| # A valid website for more robust testing | |
| http_path = 'http://www.google.com/' | |
| http_file = 'index.html' | |
| http_fakepath = 'http://fake.abc.web/site/' | |
| http_fakefile = 'fake.txt' | |
| malicious_files = ['/etc/shadow', '../../shadow', | |
| '..\\system.dat', 'c:\\windows\\system.dat'] | |
| magic_line = b'three is the magic number' | |
| # Utility functions used by many tests | |
| def valid_textfile(filedir): | |
| # Generate and return a valid temporary file. | |
| fd, path = mkstemp(suffix='.txt', prefix='dstmp_', dir=filedir, text=True) | |
| os.close(fd) | |
| return path | |
| def invalid_textfile(filedir): | |
| # Generate and return an invalid filename. | |
| fd, path = mkstemp(suffix='.txt', prefix='dstmp_', dir=filedir) | |
| os.close(fd) | |
| os.remove(path) | |
| return path | |
| def valid_httpurl(): | |
| return http_path+http_file | |
| def invalid_httpurl(): | |
| return http_fakepath+http_fakefile | |
| def valid_baseurl(): | |
| return http_path | |
| def invalid_baseurl(): | |
| return http_fakepath | |
| def valid_httpfile(): | |
| return http_file | |
| def invalid_httpfile(): | |
| return http_fakefile | |
| class TestDataSourceOpen: | |
| def setup(self): | |
| self.tmpdir = mkdtemp() | |
| self.ds = datasource.DataSource(self.tmpdir) | |
| def teardown(self): | |
| rmtree(self.tmpdir) | |
| del self.ds | |
| def test_ValidHTTP(self): | |
| fh = self.ds.open(valid_httpurl()) | |
| assert_(fh) | |
| fh.close() | |
| def test_InvalidHTTP(self): | |
| url = invalid_httpurl() | |
| assert_raises(IOError, self.ds.open, url) | |
| try: | |
| self.ds.open(url) | |
| except IOError as e: | |
| # Regression test for bug fixed in r4342. | |
| assert_(e.errno is None) | |
| def test_InvalidHTTPCacheURLError(self): | |
| assert_raises(URLError, self.ds._cache, invalid_httpurl()) | |
| def test_ValidFile(self): | |
| local_file = valid_textfile(self.tmpdir) | |
| fh = self.ds.open(local_file) | |
| assert_(fh) | |
| fh.close() | |
| def test_InvalidFile(self): | |
| invalid_file = invalid_textfile(self.tmpdir) | |
| assert_raises(IOError, self.ds.open, invalid_file) | |
| def test_ValidGzipFile(self): | |
| try: | |
| import gzip | |
| except ImportError: | |
| # We don't have the gzip capabilities to test. | |
| pytest.skip() | |
| # Test datasource's internal file_opener for Gzip files. | |
| filepath = os.path.join(self.tmpdir, 'foobar.txt.gz') | |
| fp = gzip.open(filepath, 'w') | |
| fp.write(magic_line) | |
| fp.close() | |
| fp = self.ds.open(filepath) | |
| result = fp.readline() | |
| fp.close() | |
| assert_equal(magic_line, result) | |
| def test_ValidBz2File(self): | |
| try: | |
| import bz2 | |
| except ImportError: | |
| # We don't have the bz2 capabilities to test. | |
| pytest.skip() | |
| # Test datasource's internal file_opener for BZip2 files. | |
| filepath = os.path.join(self.tmpdir, 'foobar.txt.bz2') | |
| fp = bz2.BZ2File(filepath, 'w') | |
| fp.write(magic_line) | |
| fp.close() | |
| fp = self.ds.open(filepath) | |
| result = fp.readline() | |
| fp.close() | |
| assert_equal(magic_line, result) | |
| class TestDataSourceExists: | |
| def setup(self): | |
| self.tmpdir = mkdtemp() | |
| self.ds = datasource.DataSource(self.tmpdir) | |
| def teardown(self): | |
| rmtree(self.tmpdir) | |
| del self.ds | |
| def test_ValidHTTP(self): | |
| assert_(self.ds.exists(valid_httpurl())) | |
| def test_InvalidHTTP(self): | |
| assert_equal(self.ds.exists(invalid_httpurl()), False) | |
| def test_ValidFile(self): | |
| # Test valid file in destpath | |
| tmpfile = valid_textfile(self.tmpdir) | |
| assert_(self.ds.exists(tmpfile)) | |
| # Test valid local file not in destpath | |
| localdir = mkdtemp() | |
| tmpfile = valid_textfile(localdir) | |
| assert_(self.ds.exists(tmpfile)) | |
| rmtree(localdir) | |
| def test_InvalidFile(self): | |
| tmpfile = invalid_textfile(self.tmpdir) | |
| assert_equal(self.ds.exists(tmpfile), False) | |
| class TestDataSourceAbspath: | |
| def setup(self): | |
| self.tmpdir = os.path.abspath(mkdtemp()) | |
| self.ds = datasource.DataSource(self.tmpdir) | |
| def teardown(self): | |
| rmtree(self.tmpdir) | |
| del self.ds | |
| def test_ValidHTTP(self): | |
| scheme, netloc, upath, pms, qry, frg = urlparse(valid_httpurl()) | |
| local_path = os.path.join(self.tmpdir, netloc, | |
| upath.strip(os.sep).strip('/')) | |
| assert_equal(local_path, self.ds.abspath(valid_httpurl())) | |
| def test_ValidFile(self): | |
| tmpfile = valid_textfile(self.tmpdir) | |
| tmpfilename = os.path.split(tmpfile)[-1] | |
| # Test with filename only | |
| assert_equal(tmpfile, self.ds.abspath(tmpfilename)) | |
| # Test filename with complete path | |
| assert_equal(tmpfile, self.ds.abspath(tmpfile)) | |
| def test_InvalidHTTP(self): | |
| scheme, netloc, upath, pms, qry, frg = urlparse(invalid_httpurl()) | |
| invalidhttp = os.path.join(self.tmpdir, netloc, | |
| upath.strip(os.sep).strip('/')) | |
| assert_(invalidhttp != self.ds.abspath(valid_httpurl())) | |
| def test_InvalidFile(self): | |
| invalidfile = valid_textfile(self.tmpdir) | |
| tmpfile = valid_textfile(self.tmpdir) | |
| tmpfilename = os.path.split(tmpfile)[-1] | |
| # Test with filename only | |
| assert_(invalidfile != self.ds.abspath(tmpfilename)) | |
| # Test filename with complete path | |
| assert_(invalidfile != self.ds.abspath(tmpfile)) | |
| def test_sandboxing(self): | |
| tmpfile = valid_textfile(self.tmpdir) | |
| tmpfilename = os.path.split(tmpfile)[-1] | |
| tmp_path = lambda x: os.path.abspath(self.ds.abspath(x)) | |
| assert_(tmp_path(valid_httpurl()).startswith(self.tmpdir)) | |
| assert_(tmp_path(invalid_httpurl()).startswith(self.tmpdir)) | |
| assert_(tmp_path(tmpfile).startswith(self.tmpdir)) | |
| assert_(tmp_path(tmpfilename).startswith(self.tmpdir)) | |
| for fn in malicious_files: | |
| assert_(tmp_path(http_path+fn).startswith(self.tmpdir)) | |
| assert_(tmp_path(fn).startswith(self.tmpdir)) | |
| def test_windows_os_sep(self): | |
| orig_os_sep = os.sep | |
| try: | |
| os.sep = '\\' | |
| self.test_ValidHTTP() | |
| self.test_ValidFile() | |
| self.test_InvalidHTTP() | |
| self.test_InvalidFile() | |
| self.test_sandboxing() | |
| finally: | |
| os.sep = orig_os_sep | |
| class TestRepositoryAbspath: | |
| def setup(self): | |
| self.tmpdir = os.path.abspath(mkdtemp()) | |
| self.repos = datasource.Repository(valid_baseurl(), self.tmpdir) | |
| def teardown(self): | |
| rmtree(self.tmpdir) | |
| del self.repos | |
| def test_ValidHTTP(self): | |
| scheme, netloc, upath, pms, qry, frg = urlparse(valid_httpurl()) | |
| local_path = os.path.join(self.repos._destpath, netloc, | |
| upath.strip(os.sep).strip('/')) | |
| filepath = self.repos.abspath(valid_httpfile()) | |
| assert_equal(local_path, filepath) | |
| def test_sandboxing(self): | |
| tmp_path = lambda x: os.path.abspath(self.repos.abspath(x)) | |
| assert_(tmp_path(valid_httpfile()).startswith(self.tmpdir)) | |
| for fn in malicious_files: | |
| assert_(tmp_path(http_path+fn).startswith(self.tmpdir)) | |
| assert_(tmp_path(fn).startswith(self.tmpdir)) | |
| def test_windows_os_sep(self): | |
| orig_os_sep = os.sep | |
| try: | |
| os.sep = '\\' | |
| self.test_ValidHTTP() | |
| self.test_sandboxing() | |
| finally: | |
| os.sep = orig_os_sep | |
| class TestRepositoryExists: | |
| def setup(self): | |
| self.tmpdir = mkdtemp() | |
| self.repos = datasource.Repository(valid_baseurl(), self.tmpdir) | |
| def teardown(self): | |
| rmtree(self.tmpdir) | |
| del self.repos | |
| def test_ValidFile(self): | |
| # Create local temp file | |
| tmpfile = valid_textfile(self.tmpdir) | |
| assert_(self.repos.exists(tmpfile)) | |
| def test_InvalidFile(self): | |
| tmpfile = invalid_textfile(self.tmpdir) | |
| assert_equal(self.repos.exists(tmpfile), False) | |
| def test_RemoveHTTPFile(self): | |
| assert_(self.repos.exists(valid_httpurl())) | |
| def test_CachedHTTPFile(self): | |
| localfile = valid_httpurl() | |
| # Create a locally cached temp file with an URL based | |
| # directory structure. This is similar to what Repository.open | |
| # would do. | |
| scheme, netloc, upath, pms, qry, frg = urlparse(localfile) | |
| local_path = os.path.join(self.repos._destpath, netloc) | |
| os.mkdir(local_path, 0o0700) | |
| tmpfile = valid_textfile(local_path) | |
| assert_(self.repos.exists(tmpfile)) | |
| class TestOpenFunc: | |
| def setup(self): | |
| self.tmpdir = mkdtemp() | |
| def teardown(self): | |
| rmtree(self.tmpdir) | |
| def test_DataSourceOpen(self): | |
| local_file = valid_textfile(self.tmpdir) | |
| # Test case where destpath is passed in | |
| fp = datasource.open(local_file, destpath=self.tmpdir) | |
| assert_(fp) | |
| fp.close() | |
| # Test case where default destpath is used | |
| fp = datasource.open(local_file) | |
| assert_(fp) | |
| fp.close() | |
| def test_del_attr_handling(): | |
| # DataSource __del__ can be called | |
| # even if __init__ fails when the | |
| # Exception object is caught by the | |
| # caller as happens in refguide_check | |
| # is_deprecated() function | |
| ds = datasource.DataSource() | |
| # simulate failed __init__ by removing key attribute | |
| # produced within __init__ and expected by __del__ | |
| del ds._istmpdest | |
| # should not raise an AttributeError if __del__ | |
| # gracefully handles failed __init__: | |
| ds.__del__() | |