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test_smart_open.py
1572 lines (1304 loc) · 62.8 KB
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test_smart_open.py
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# -*- coding: utf-8 -*-
#
# Copyright (C) 2019 Radim Rehurek <me@radimrehurek.com>
#
# This code is distributed under the terms and conditions
# from the MIT License (MIT).
#
import bz2
import io
import unittest
import logging
import tempfile
import os
import hashlib
import pathlib
import boto3
import mock
from moto import mock_s3
import responses
import gzip
import six
import smart_open
from smart_open import smart_open_lib
from smart_open import webhdfs
from smart_open.smart_open_lib import patch_pathlib, _patch_pathlib
logger = logging.getLogger(__name__)
CURR_DIR = os.path.abspath(os.path.dirname(__file__))
SAMPLE_TEXT = 'Hello, world!'
SAMPLE_BYTES = SAMPLE_TEXT.encode('utf-8')
class ParseUriTest(unittest.TestCase):
"""
Test ParseUri class.
"""
def test_scheme(self):
"""Do URIs schemes parse correctly?"""
# supported schemes
for scheme in ("s3", "s3a", "s3n", "hdfs", "file", "http", "https", "gs"):
parsed_uri = smart_open_lib._parse_uri(scheme + "://mybucket/mykey")
self.assertEqual(parsed_uri.scheme, scheme)
# unsupported scheme => NotImplementedError
self.assertRaises(NotImplementedError, smart_open_lib._parse_uri, "foobar://mybucket/mykey")
# unknown scheme => default_scheme
parsed_uri = smart_open_lib._parse_uri("blah blah")
self.assertEqual(parsed_uri.scheme, "file")
def test_s3_uri(self):
"""Do S3 URIs parse correctly?"""
# correct uri without credentials
parsed_uri = smart_open_lib._parse_uri("s3://mybucket/mykey")
self.assertEqual(parsed_uri.scheme, "s3")
self.assertEqual(parsed_uri.bucket_id, "mybucket")
self.assertEqual(parsed_uri.key_id, "mykey")
self.assertEqual(parsed_uri.access_id, None)
self.assertEqual(parsed_uri.access_secret, None)
def test_s3_uri_contains_slash(self):
parsed_uri = smart_open_lib._parse_uri("s3://mybucket/mydir/mykey")
self.assertEqual(parsed_uri.scheme, "s3")
self.assertEqual(parsed_uri.bucket_id, "mybucket")
self.assertEqual(parsed_uri.key_id, "mydir/mykey")
self.assertEqual(parsed_uri.access_id, None)
self.assertEqual(parsed_uri.access_secret, None)
def test_s3_uri_with_credentials(self):
parsed_uri = smart_open_lib._parse_uri("s3://ACCESSID456:acces/sse_cr-et@mybucket/mykey")
self.assertEqual(parsed_uri.scheme, "s3")
self.assertEqual(parsed_uri.bucket_id, "mybucket")
self.assertEqual(parsed_uri.key_id, "mykey")
self.assertEqual(parsed_uri.access_id, "ACCESSID456")
self.assertEqual(parsed_uri.access_secret, "acces/sse_cr-et")
def test_s3_uri_with_credentials2(self):
parsed_uri = smart_open_lib._parse_uri("s3://accessid:access/secret@mybucket/mykey")
self.assertEqual(parsed_uri.scheme, "s3")
self.assertEqual(parsed_uri.bucket_id, "mybucket")
self.assertEqual(parsed_uri.key_id, "mykey")
self.assertEqual(parsed_uri.access_id, "accessid")
self.assertEqual(parsed_uri.access_secret, "access/secret")
def test_s3_uri_has_atmark_in_key_name(self):
parsed_uri = smart_open_lib._parse_uri("s3://accessid:access/secret@mybucket/my@ke@y")
self.assertEqual(parsed_uri.scheme, "s3")
self.assertEqual(parsed_uri.bucket_id, "mybucket")
self.assertEqual(parsed_uri.key_id, "my@ke@y")
self.assertEqual(parsed_uri.access_id, "accessid")
self.assertEqual(parsed_uri.access_secret, "access/secret")
def test_s3_uri_has_atmark_in_key_name2(self):
parsed_uri = smart_open_lib._parse_uri(
"s3://accessid:access/secret@hostname:1234@mybucket/dir/my@ke@y"
)
self.assertEqual(parsed_uri.scheme, "s3")
self.assertEqual(parsed_uri.bucket_id, "mybucket")
self.assertEqual(parsed_uri.key_id, "dir/my@ke@y")
self.assertEqual(parsed_uri.access_id, "accessid")
self.assertEqual(parsed_uri.access_secret, "access/secret")
self.assertEqual(parsed_uri.host, "hostname")
self.assertEqual(parsed_uri.port, 1234)
def test_s3_uri_has_atmark_in_key_name3(self):
parsed_uri = smart_open_lib._parse_uri("s3://accessid:access/secret@hostname@mybucket/dir/my@ke@y")
self.assertEqual(parsed_uri.scheme, "s3")
self.assertEqual(parsed_uri.bucket_id, "mybucket")
self.assertEqual(parsed_uri.key_id, "dir/my@ke@y")
self.assertEqual(parsed_uri.access_id, "accessid")
self.assertEqual(parsed_uri.access_secret, "access/secret")
self.assertEqual(parsed_uri.host, "hostname")
self.assertEqual(parsed_uri.port, 443)
def test_s3_handles_fragments(self):
uri_str = 's3://bucket-name/folder/picture #1.jpg'
parsed_uri = smart_open_lib._parse_uri(uri_str)
self.assertEqual(parsed_uri.key_id, "folder/picture #1.jpg")
def test_s3_handles_querystring(self):
uri_str = 's3://bucket-name/folder/picture1.jpg?bar'
parsed_uri = smart_open_lib._parse_uri(uri_str)
self.assertEqual(parsed_uri.key_id, "folder/picture1.jpg?bar")
def test_s3_invalid_url_atmark_in_bucket_name(self):
self.assertRaises(
ValueError, smart_open_lib._parse_uri,
"s3://access_id:access_secret@my@bucket@port/mykey",
)
def test_s3_invalid_uri_missing_colon(self):
self.assertRaises(
ValueError, smart_open_lib._parse_uri,
"s3://access_id@access_secret@mybucket@port/mykey",
)
def test_webhdfs_uri_to_http(self):
parsed_uri = smart_open_lib._parse_uri("webhdfs://host:14000/path/file")
actual = webhdfs.convert_to_http_uri(parsed_uri)
expected = "http://host:14000/webhdfs/v1/path/file"
self.assertEqual(actual, expected)
def test_webhdfs_uri_to_http_with_query(self):
parsed_uri = smart_open_lib._parse_uri("webhdfs://host:14000/path/file?a=1")
actual = webhdfs.convert_to_http_uri(parsed_uri)
expected = "http://host:14000/webhdfs/v1/path/file?a=1"
self.assertEqual(actual, expected)
def test_webhdfs_uri_to_http_with_user(self):
parsed_uri = smart_open_lib._parse_uri("webhdfs://user@host:14000/path")
actual = webhdfs.convert_to_http_uri(parsed_uri)
expected = "http://host:14000/webhdfs/v1/path?user.name=user"
self.assertEqual(actual, expected)
def test_webhdfs_uri_to_http_with_user_and_query(self):
parsed_uri = smart_open_lib._parse_uri("webhdfs://user@host:14000/path?a=1")
actual = webhdfs.convert_to_http_uri(parsed_uri)
expected = "http://host:14000/webhdfs/v1/path?a=1&user.name=user"
self.assertEqual(actual, expected)
def test_uri_from_issue_223_works(self):
uri = "s3://:@omax-mis/twilio-messages-media/final/MEcd7c36e75f87dc6dd9e33702cdcd8fb6"
parsed_uri = smart_open_lib._parse_uri(uri)
self.assertEqual(parsed_uri.scheme, "s3")
self.assertEqual(parsed_uri.bucket_id, "omax-mis")
self.assertEqual(parsed_uri.key_id, "twilio-messages-media/final/MEcd7c36e75f87dc6dd9e33702cdcd8fb6")
self.assertEqual(parsed_uri.access_id, "")
self.assertEqual(parsed_uri.access_secret, "")
def test_s3_uri_with_colon_in_key_name(self):
""" Correctly parse the s3 url if there is a colon in the key or dir """
parsed_uri = smart_open_lib._parse_uri("s3://mybucket/mydir/my:key")
self.assertEqual(parsed_uri.scheme, "s3")
self.assertEqual(parsed_uri.bucket_id, "mybucket")
self.assertEqual(parsed_uri.key_id, "mydir/my:key")
self.assertEqual(parsed_uri.access_id, None)
self.assertEqual(parsed_uri.access_secret, None)
def test_host_and_port(self):
as_string = 's3u://user:secret@host:1234@mybucket/mykey.txt'
uri = smart_open_lib._parse_uri(as_string)
self.assertEqual(uri.scheme, "s3u")
self.assertEqual(uri.bucket_id, "mybucket")
self.assertEqual(uri.key_id, "mykey.txt")
self.assertEqual(uri.access_id, "user")
self.assertEqual(uri.access_secret, "secret")
self.assertEqual(uri.host, "host")
self.assertEqual(uri.port, 1234)
def test_invalid_port(self):
as_string = 's3u://user:secret@host:port@mybucket/mykey.txt'
self.assertRaises(ValueError, smart_open_lib._parse_uri, as_string)
def test_invalid_port2(self):
as_string = 's3u://user:secret@host:port:foo@mybucket/mykey.txt'
self.assertRaises(ValueError, smart_open_lib._parse_uri, as_string)
def test_leading_slash_local_file(self):
path = "/home/misha/hello.txt"
uri = smart_open_lib._parse_uri(path)
self.assertEqual(uri.scheme, "file")
self.assertEqual(uri.uri_path, path)
uri = smart_open_lib._parse_uri('//' + path)
self.assertEqual(uri.scheme, "file")
self.assertEqual(uri.uri_path, '//' + path)
def test_ssh(self):
as_string = 'ssh://user@host:1234/path/to/file'
uri = smart_open_lib._parse_uri(as_string)
self.assertEqual(uri.scheme, 'ssh')
self.assertEqual(uri.uri_path, '/path/to/file')
self.assertEqual(uri.user, 'user')
self.assertEqual(uri.host, 'host')
self.assertEqual(uri.port, 1234)
self.assertEqual(uri.password, None)
def test_ssh_with_pass(self):
as_string = 'ssh://user:pass@host:1234/path/to/file'
uri = smart_open_lib._parse_uri(as_string)
self.assertEqual(uri.scheme, 'ssh')
self.assertEqual(uri.uri_path, '/path/to/file')
self.assertEqual(uri.user, 'user')
self.assertEqual(uri.host, 'host')
self.assertEqual(uri.port, 1234)
self.assertEqual(uri.password, 'pass')
def test_scp(self):
as_string = 'scp://user@host:/path/to/file'
uri = smart_open_lib._parse_uri(as_string)
self.assertEqual(uri.scheme, 'scp')
self.assertEqual(uri.uri_path, '/path/to/file')
self.assertEqual(uri.user, 'user')
self.assertEqual(uri.host, 'host')
self.assertEqual(uri.port, 22)
self.assertEqual(uri.password, None)
def test_scp_with_pass(self):
as_string = 'scp://user:pass@host:/path/to/file'
uri = smart_open_lib._parse_uri(as_string)
self.assertEqual(uri.scheme, 'scp')
self.assertEqual(uri.uri_path, '/path/to/file')
self.assertEqual(uri.user, 'user')
self.assertEqual(uri.host, 'host')
self.assertEqual(uri.port, 22)
self.assertEqual(uri.password, 'pass')
def test_sftp(self):
as_string = 'sftp://host/path/to/file'
uri = smart_open_lib._parse_uri(as_string)
self.assertEqual(uri.scheme, 'sftp')
self.assertEqual(uri.uri_path, '/path/to/file')
self.assertEqual(uri.user, None)
self.assertEqual(uri.host, 'host')
self.assertEqual(uri.port, 22)
self.assertEqual(uri.password, None)
def test_sftp_with_user_and_pass(self):
as_string = 'sftp://user:pass@host:2222/path/to/file'
uri = smart_open_lib._parse_uri(as_string)
self.assertEqual(uri.scheme, 'sftp')
self.assertEqual(uri.uri_path, '/path/to/file')
self.assertEqual(uri.user, 'user')
self.assertEqual(uri.host, 'host')
self.assertEqual(uri.port, 2222)
self.assertEqual(uri.password, 'pass')
def test_ssh_complex_password_with_colon(self):
as_string = 'sftp://user:some:complex@password$$@host:2222/path/to/file'
uri = smart_open_lib._parse_uri(as_string)
self.assertEqual(uri.password, 'some:complex@password$$')
def test_gs_uri(self):
"""Do GCS URIs parse correctly?"""
# correct uri without credentials
parsed_uri = smart_open_lib._parse_uri("gs://mybucket/myblob")
self.assertEqual(parsed_uri.scheme, "gs")
self.assertEqual(parsed_uri.bucket_id, "mybucket")
self.assertEqual(parsed_uri.blob_id, "myblob")
def test_gs_uri_contains_slash(self):
parsed_uri = smart_open_lib._parse_uri("gs://mybucket/mydir/myblob")
self.assertEqual(parsed_uri.scheme, "gs")
self.assertEqual(parsed_uri.bucket_id, "mybucket")
self.assertEqual(parsed_uri.blob_id, "mydir/myblob")
def test_pathlib_monkeypath(self):
assert pathlib.Path.open != smart_open.open
with patch_pathlib():
assert pathlib.Path.open == smart_open.open
assert pathlib.Path.open != smart_open.open
obj = patch_pathlib()
assert pathlib.Path.open == smart_open.open
_patch_pathlib(obj.old_impl)
assert pathlib.Path.open != smart_open.open
def test_pathlib_monkeypath_read_gz(self):
path = pathlib.Path(CURR_DIR) / 'test_data' / 'crime-and-punishment.txt.gz'
# Check that standart implementation can't work with gzip
with path.open("r") as infile:
with self.assertRaises(Exception) as context:
lines = infile.readlines()
# Check that out implementation works with gzip
obj = patch_pathlib()
with path.open("r") as infile:
lines = infile.readlines()
_patch_pathlib(obj.old_impl)
class SmartOpenHttpTest(unittest.TestCase):
"""
Test reading from HTTP connections in various ways.
"""
@mock.patch('smart_open.ssh.open')
def test_read_ssh(self, mock_open):
"""Is SSH line iterator called correctly?"""
obj = smart_open.smart_open(
"ssh://ubuntu:pass@ip_address:1022/some/path/lines.txt",
hello='world',
)
obj.__iter__()
mock_open.assert_called_with(
'/some/path/lines.txt',
'rb',
host='ip_address',
user='ubuntu',
password='pass',
port=1022,
transport_params={'hello': 'world'},
)
@responses.activate
def test_http_read(self):
"""Does http read method work correctly"""
responses.add(responses.GET, "http://127.0.0.1/index.html",
body='line1\nline2', stream=True)
smart_open_object = smart_open.smart_open("http://127.0.0.1/index.html")
self.assertEqual(smart_open_object.read().decode("utf-8"), "line1\nline2")
@responses.activate
def test_https_readline(self):
"""Does https readline method work correctly"""
responses.add(responses.GET, "https://127.0.0.1/index.html",
body='line1\nline2', stream=True)
smart_open_object = smart_open.smart_open("https://127.0.0.1/index.html")
self.assertEqual(smart_open_object.readline().decode("utf-8"), "line1\n")
@responses.activate
def test_http_pass(self):
"""Does http authentication work correctly"""
responses.add(responses.GET, "http://127.0.0.1/index.html",
body='line1\nline2', stream=True)
_ = smart_open.smart_open("http://127.0.0.1/index.html", user='me', password='pass')
self.assertEqual(len(responses.calls), 1)
actual_request = responses.calls[0].request
self.assertTrue('Authorization' in actual_request.headers)
self.assertTrue(actual_request.headers['Authorization'].startswith('Basic '))
@responses.activate
def _test_compressed_http(self, suffix, query):
"""Can open <suffix> via http?"""
raw_data = b'Hello World Compressed.' * 10000
buf = make_buffer(name='data' + suffix)
with smart_open.smart_open(buf, 'wb') as outfile:
outfile.write(raw_data)
compressed_data = buf.getvalue()
# check that the string was actually compressed
self.assertNotEqual(compressed_data, raw_data)
responses.add(responses.GET, 'http://127.0.0.1/data' + suffix, body=compressed_data, stream=True)
smart_open_object = smart_open.smart_open(
'http://127.0.0.1/data%s%s' % (suffix, '?some_param=some_val' if query else ''))
# decompress the file and get the same md5 hash
self.assertEqual(smart_open_object.read(), raw_data)
@unittest.skipIf(six.PY2, 'gzip support for Py2 is not implemented yet')
def test_http_gz(self):
"""Can open gzip via http?"""
self._test_compressed_http(".gz", False)
def test_http_bz2(self):
"""Can open bzip2 via http?"""
self._test_compressed_http(".bz2", False)
@unittest.skipIf(six.PY2, 'gzip support for Py2 is not implemented yet')
def test_http_gz_query(self):
"""Can open gzip via http with a query appended to URI?"""
self._test_compressed_http(".gz", True)
def test_http_bz2_query(self):
"""Can open bzip2 via http with a query appended to URI?"""
self._test_compressed_http(".bz2", True)
def make_buffer(cls=six.BytesIO, initial_value=None, name=None, noclose=False):
"""
Construct a new in-memory file object aka "buf".
:param cls: Class of the file object. Meaningful values are BytesIO and StringIO.
:param initial_value: Passed directly to the constructor, this is the content of the returned buffer.
:param name: Associated file path. Not assigned if is None (default).
:param noclose: If True, disables the .close function.
:return: Instance of `cls`.
"""
buf = cls(initial_value) if initial_value else cls()
if name is not None:
buf.name = name
if six.PY2:
buf.__enter__ = lambda: buf
buf.__exit__ = lambda exc_type, exc_val, exc_tb: None
if noclose:
buf.close = lambda: None
return buf
class RealFileSystemTests(unittest.TestCase):
"""Tests that touch the file system via temporary files."""
def setUp(self):
with tempfile.NamedTemporaryFile(prefix='test', delete=False) as fout:
fout.write(SAMPLE_BYTES)
self.temp_file = fout.name
def tearDown(self):
os.unlink(self.temp_file)
def test_rt(self):
with smart_open.smart_open(self.temp_file, 'rt') as fin:
data = fin.read()
self.assertEqual(data, SAMPLE_TEXT)
def test_wt(self):
#
# The file already contains SAMPLE_TEXT, so write something different.
#
text = 'nippon budokan'
with smart_open.smart_open(self.temp_file, 'wt') as fout:
fout.write(text)
with smart_open.smart_open(self.temp_file, 'rt') as fin:
data = fin.read()
self.assertEqual(data, text)
def test_ab(self):
with smart_open.smart_open(self.temp_file, 'ab') as fout:
fout.write(SAMPLE_BYTES)
with smart_open.smart_open(self.temp_file, 'rb') as fin:
data = fin.read()
self.assertEqual(data, SAMPLE_BYTES * 2)
def test_aplus(self):
with smart_open.smart_open(self.temp_file, 'a+') as fout:
fout.write(SAMPLE_TEXT)
with smart_open.smart_open(self.temp_file, 'rt') as fin:
text = fin.read()
self.assertEqual(text, SAMPLE_TEXT * 2)
def test_at(self):
with smart_open.smart_open(self.temp_file, 'at') as fout:
fout.write(SAMPLE_TEXT)
with smart_open.smart_open(self.temp_file, 'rt') as fin:
text = fin.read()
self.assertEqual(text, SAMPLE_TEXT * 2)
def test_atplus(self):
with smart_open.smart_open(self.temp_file, 'at+') as fout:
fout.write(SAMPLE_TEXT)
with smart_open.smart_open(self.temp_file, 'rt') as fin:
text = fin.read()
self.assertEqual(text, SAMPLE_TEXT * 2)
class SmartOpenFileObjTest(unittest.TestCase):
"""
Test passing raw file objects.
"""
def test_read_bytes(self):
"""Can we read bytes from a byte stream?"""
buf = make_buffer(initial_value=SAMPLE_BYTES)
with smart_open.smart_open(buf, 'rb') as sf:
data = sf.read()
self.assertEqual(data, SAMPLE_BYTES)
def test_write_bytes(self):
"""Can we write bytes to a byte stream?"""
buf = make_buffer()
with smart_open.smart_open(buf, 'wb') as sf:
sf.write(SAMPLE_BYTES)
self.assertEqual(buf.getvalue(), SAMPLE_BYTES)
@unittest.skipIf(six.PY2, "Python 2 does not differentiate between str and bytes")
def test_read_text_stream_fails(self):
"""Attempts to read directly from a text stream should fail.
This is because smart_open.open expects a byte stream as input.
If you have a text stream, there's no point passing it to smart_open:
you can read from it directly.
"""
buf = make_buffer(six.StringIO, initial_value=SAMPLE_TEXT)
with smart_open.smart_open(buf, 'r') as sf:
self.assertRaises(TypeError, sf.read) # we expect binary mode
@unittest.skipIf(six.PY2, "Python 2 does not differentiate between str and bytes")
def test_write_text_stream_fails(self):
"""Attempts to write directly to a text stream should fail."""
buf = make_buffer(six.StringIO)
with smart_open.smart_open(buf, 'w') as sf:
self.assertRaises(TypeError, sf.write, SAMPLE_TEXT) # we expect binary mode
def test_read_text_from_bytestream(self):
buf = make_buffer(initial_value=SAMPLE_BYTES)
with smart_open.smart_open(buf, 'r') as sf:
data = sf.read()
self.assertEqual(data, SAMPLE_TEXT)
def test_read_text_from_bytestream_rt(self):
buf = make_buffer(initial_value=SAMPLE_BYTES)
with smart_open.smart_open(buf, 'rt') as sf:
data = sf.read()
self.assertEqual(data, SAMPLE_TEXT)
def test_read_text_from_bytestream_rtplus(self):
buf = make_buffer(initial_value=SAMPLE_BYTES)
with smart_open.smart_open(buf, 'rt+') as sf:
data = sf.read()
self.assertEqual(data, SAMPLE_TEXT)
def test_write_text_to_bytestream(self):
"""Can we write strings to a byte stream?"""
buf = make_buffer(noclose=True)
with smart_open.smart_open(buf, 'w') as sf:
sf.write(SAMPLE_TEXT)
self.assertEqual(buf.getvalue(), SAMPLE_BYTES)
def test_write_text_to_bytestream_wt(self):
"""Can we write strings to a byte stream?"""
buf = make_buffer(noclose=True)
with smart_open.smart_open(buf, 'wt') as sf:
sf.write(SAMPLE_TEXT)
self.assertEqual(buf.getvalue(), SAMPLE_BYTES)
def test_write_text_to_bytestream_wtplus(self):
"""Can we write strings to a byte stream?"""
buf = make_buffer(noclose=True)
with smart_open.smart_open(buf, 'wt+') as sf:
sf.write(SAMPLE_TEXT)
self.assertEqual(buf.getvalue(), SAMPLE_BYTES)
def test_name_read(self):
"""Can we use the "name" attribute to decompress on the fly?"""
data = SAMPLE_BYTES * 1000
buf = make_buffer(initial_value=bz2.compress(data), name='data.bz2')
with smart_open.smart_open(buf, 'rb') as sf:
data = sf.read()
self.assertEqual(data, data)
def test_name_write(self):
"""Can we use the "name" attribute to compress on the fly?"""
data = SAMPLE_BYTES * 1000
buf = make_buffer(name='data.bz2')
with smart_open.smart_open(buf, 'wb') as sf:
sf.write(data)
self.assertEqual(bz2.decompress(buf.getvalue()), data)
def test_open_side_effect(self):
"""
Does our detection of the `name` attribute work with wrapped open()-ed streams?
We `open()` a file with ".bz2" extension, pass the file object to `smart_open()` and check that
we read decompressed data. This behavior is driven by detecting the `name` attribute in
`_open_binary_stream()`.
"""
data = SAMPLE_BYTES * 1000
with tempfile.NamedTemporaryFile(prefix='smart_open_tests_', suffix=".bz2", delete=False) as tmpf:
tmpf.write(bz2.compress(data))
try:
with open(tmpf.name, 'rb') as openf:
with smart_open.smart_open(openf) as smartf:
smart_data = smartf.read()
self.assertEqual(data, smart_data)
finally:
os.unlink(tmpf.name)
#
# What exactly to patch here differs on _how_ we're opening the file.
# See the _shortcut_open function for details.
#
_IO_OPEN = 'io.open'
_BUILTIN_OPEN = 'smart_open.smart_open_lib._builtin_open'
class SmartOpenReadTest(unittest.TestCase):
"""
Test reading from files under various schemes.
"""
def test_shortcut(self):
fpath = os.path.join(CURR_DIR, 'test_data/crime-and-punishment.txt')
with mock.patch('smart_open.smart_open_lib._builtin_open') as mock_open:
smart_open.smart_open(fpath, 'r').read()
mock_open.assert_called_with(fpath, 'r', buffering=-1)
def test_open_with_keywords(self):
"""This test captures Issue #142."""
fpath = os.path.join(CURR_DIR, 'test_data/cp852.tsv.txt')
with open(fpath, 'rb') as fin:
expected = fin.read().decode('cp852')
with smart_open.smart_open(fpath, encoding='cp852') as fin:
actual = fin.read()
self.assertEqual(expected, actual)
def test_open_with_keywords_explicit_r(self):
fpath = os.path.join(CURR_DIR, 'test_data/cp852.tsv.txt')
with open(fpath, 'rb') as fin:
expected = fin.read().decode('cp852')
with smart_open.smart_open(fpath, mode='r', encoding='cp852') as fin:
actual = fin.read()
self.assertEqual(expected, actual)
@unittest.skipUnless(
smart_open_lib.PATHLIB_SUPPORT,
"do not test pathlib support if pathlib or backport are not available")
def test_open_and_read_pathlib_path(self):
"""If ``pathlib.Path`` is available we should be able to open and read."""
from smart_open.smart_open_lib import pathlib
fpath = os.path.join(CURR_DIR, 'test_data/cp852.tsv.txt')
with open(fpath, 'rb') as fin:
expected = fin.read().decode('cp852')
with smart_open.smart_open(pathlib.Path(fpath), mode='r', encoding='cp852') as fin:
actual = fin.read()
self.assertEqual(expected, actual)
@mock_s3
def test_read_never_returns_none(self):
"""read should never return None."""
s3 = boto3.resource('s3')
s3.create_bucket(Bucket='mybucket')
test_string = u"ветер по морю гуляет..."
with smart_open.smart_open("s3://mybucket/mykey", "wb") as fout:
fout.write(test_string.encode('utf8'))
r = smart_open.smart_open("s3://mybucket/mykey", "rb")
self.assertEqual(r.read(), test_string.encode("utf-8"))
self.assertEqual(r.read(), b"")
self.assertEqual(r.read(), b"")
@mock_s3
def test_readline(self):
"""Does readline() return the correct file content?"""
s3 = boto3.resource('s3')
s3.create_bucket(Bucket='mybucket')
test_string = u"hello žluťoučký world!\nhow are you?".encode('utf8')
with smart_open.smart_open("s3://mybucket/mykey", "wb") as fout:
fout.write(test_string)
reader = smart_open.smart_open("s3://mybucket/mykey", "rb")
self.assertEqual(reader.readline(), u"hello žluťoučký world!\n".encode("utf-8"))
@mock_s3
def test_readline_iter(self):
"""Does __iter__ return the correct file content?"""
s3 = boto3.resource('s3')
s3.create_bucket(Bucket='mybucket')
lines = [u"всем привет!\n", u"что нового?"]
with smart_open.smart_open("s3://mybucket/mykey", "wb") as fout:
fout.write("".join(lines).encode("utf-8"))
reader = smart_open.smart_open("s3://mybucket/mykey", "rb")
actual_lines = [l.decode("utf-8") for l in reader]
self.assertEqual(2, len(actual_lines))
self.assertEqual(lines[0], actual_lines[0])
self.assertEqual(lines[1], actual_lines[1])
@mock_s3
def test_readline_eof(self):
"""Does readline() return empty string on EOF?"""
s3 = boto3.resource('s3')
s3.create_bucket(Bucket='mybucket')
with smart_open.smart_open("s3://mybucket/mykey", "wb"):
pass
reader = smart_open.smart_open("s3://mybucket/mykey", "rb")
self.assertEqual(reader.readline(), b"")
self.assertEqual(reader.readline(), b"")
self.assertEqual(reader.readline(), b"")
@mock_s3
def test_s3_iter_lines(self):
"""Does s3_iter_lines give correct content?"""
# create fake bucket and fake key
s3 = boto3.resource('s3')
s3.create_bucket(Bucket='mybucket')
test_string = u"hello žluťoučký world!\nhow are you?".encode('utf8')
with smart_open.smart_open("s3://mybucket/mykey", "wb") as fin:
fin.write(test_string)
# call s3_iter_lines and check output
reader = smart_open.smart_open("s3://mybucket/mykey", "rb")
output = list(reader)
self.assertEqual(b''.join(output), test_string)
# TODO: add more complex test for file://
@mock.patch('smart_open.smart_open_lib._builtin_open')
def test_file(self, mock_smart_open):
"""Is file:// line iterator called correctly?"""
prefix = "file://"
full_path = '/tmp/test.txt'
read_mode = "rb"
smart_open_object = smart_open.smart_open(prefix+full_path, read_mode)
smart_open_object.__iter__()
# called with the correct path?
mock_smart_open.assert_called_with(full_path, read_mode, buffering=-1)
full_path = '/tmp/test#hash##more.txt'
read_mode = "rb"
smart_open_object = smart_open.smart_open(prefix+full_path, read_mode)
smart_open_object.__iter__()
# called with the correct path?
mock_smart_open.assert_called_with(full_path, read_mode, buffering=-1)
full_path = 'aa#aa'
read_mode = "rb"
smart_open_object = smart_open.smart_open(full_path, read_mode)
smart_open_object.__iter__()
# called with the correct path?
mock_smart_open.assert_called_with(full_path, read_mode, buffering=-1)
short_path = "~/tmp/test.txt"
full_path = os.path.expanduser(short_path)
@mock.patch(_IO_OPEN if six.PY2 else _BUILTIN_OPEN)
def test_file_errors(self, mock_smart_open):
prefix = "file://"
full_path = '/tmp/test.txt'
read_mode = "r"
short_path = "~/tmp/test.txt"
full_path = os.path.expanduser(short_path)
smart_open_object = smart_open.smart_open(prefix+short_path, read_mode, errors='strict')
smart_open_object.__iter__()
# called with the correct expanded path?
mock_smart_open.assert_called_with(full_path, read_mode, buffering=-1, errors='strict')
@mock.patch(_BUILTIN_OPEN)
def test_file_buffering(self, mock_smart_open):
smart_open_object = smart_open.smart_open('/tmp/somefile', 'rb', buffering=0)
smart_open_object.__iter__()
# called with the correct expanded path?
mock_smart_open.assert_called_with('/tmp/somefile', 'rb', buffering=0)
@unittest.skip('smart_open does not currently accept additional positional args')
@mock.patch(_BUILTIN_OPEN)
def test_file_buffering2(self, mock_smart_open):
smart_open_object = smart_open.smart_open('/tmp/somefile', 'rb', 0)
smart_open_object.__iter__()
# called with the correct expanded path?
mock_smart_open.assert_called_with('/tmp/somefile', 'rb', buffering=0)
# couldn't find any project for mocking up HDFS data
# TODO: we want to test also a content of the files, not just fnc call params
@mock.patch('smart_open.hdfs.subprocess')
def test_hdfs(self, mock_subprocess):
"""Is HDFS line iterator called correctly?"""
mock_subprocess.PIPE.return_value = "test"
smart_open_object = smart_open.smart_open("hdfs:///tmp/test.txt")
smart_open_object.__iter__()
# called with the correct params?
mock_subprocess.Popen.assert_called_with(
["hdfs", "dfs", "-cat", "/tmp/test.txt"],
stdout=mock_subprocess.PIPE,
)
# second possibility of schema
smart_open_object = smart_open.smart_open("hdfs://tmp/test.txt")
smart_open_object.__iter__()
mock_subprocess.Popen.assert_called_with(
["hdfs", "dfs", "-cat", "/tmp/test.txt"],
stdout=mock_subprocess.PIPE,
)
@responses.activate
def test_webhdfs(self):
"""Is webhdfs line iterator called correctly"""
responses.add(responses.GET, "http://127.0.0.1:8440/webhdfs/v1/path/file",
body='line1\nline2', stream=True)
smart_open_object = smart_open.smart_open("webhdfs://127.0.0.1:8440/path/file")
iterator = iter(smart_open_object)
self.assertEqual(next(iterator).decode("utf-8"), "line1\n")
self.assertEqual(next(iterator).decode("utf-8"), "line2")
@responses.activate
def test_webhdfs_encoding(self):
"""Is HDFS line iterator called correctly?"""
input_url = "webhdfs://127.0.0.1:8440/path/file"
actual_url = 'http://127.0.0.1:8440/webhdfs/v1/path/file'
text = u'не для меня прийдёт весна, не для меня дон разольётся'
body = text.encode('utf-8')
responses.add(responses.GET, actual_url, body=body, stream=True)
actual = smart_open.smart_open(input_url, encoding='utf-8').read()
self.assertEqual(text, actual)
@responses.activate
def test_webhdfs_read(self):
"""Does webhdfs read method work correctly"""
responses.add(responses.GET, "http://127.0.0.1:8440/webhdfs/v1/path/file",
body='line1\nline2', stream=True)
smart_open_object = smart_open.smart_open("webhdfs://127.0.0.1:8440/path/file")
self.assertEqual(smart_open_object.read().decode("utf-8"), "line1\nline2")
@mock_s3
def test_s3_iter_moto(self):
"""Are S3 files iterated over correctly?"""
# a list of strings to test with
expected = [b"*" * 5 * 1024**2] + [b'0123456789'] * 1024 + [b"test"]
# create fake bucket and fake key
s3 = boto3.resource('s3')
s3.create_bucket(Bucket='mybucket')
with smart_open.smart_open("s3://mybucket/mykey", "wb", s3_min_part_size=5 * 1024**2) as fout:
# write a single huge line (=full multipart upload)
fout.write(expected[0] + b'\n')
# write lots of small lines
for lineno, line in enumerate(expected[1:-1]):
fout.write(line + b'\n')
# ...and write the last line too, no newline at the end
fout.write(expected[-1])
# connect to fake s3 and read from the fake key we filled above
smart_open_object = smart_open.smart_open("s3://mybucket/mykey")
output = [line.rstrip(b'\n') for line in smart_open_object]
self.assertEqual(output, expected)
# same thing but using a context manager
with smart_open.smart_open("s3://mybucket/mykey") as smart_open_object:
output = [line.rstrip(b'\n') for line in smart_open_object]
self.assertEqual(output, expected)
@mock_s3
def test_s3_read_moto(self):
"""Are S3 files read correctly?"""
s3 = boto3.resource('s3')
s3.create_bucket(Bucket='mybucket')
# write some bogus key so we can check it below
content = u"hello wořld\nhow are you?".encode('utf8')
with smart_open.smart_open("s3://mybucket/mykey", "wb") as fout:
fout.write(content)
smart_open_object = smart_open.smart_open("s3://mybucket/mykey")
self.assertEqual(content[:6], smart_open_object.read(6))
self.assertEqual(content[6:14], smart_open_object.read(8)) # ř is 2 bytes
self.assertEqual(content[14:], smart_open_object.read()) # read the rest
@unittest.skip('seek functionality for S3 currently disabled because of Issue #152')
@mock_s3
def test_s3_seek_moto(self):
"""Does seeking in S3 files work correctly?"""
s3 = boto3.resource('s3')
s3.create_bucket(Bucket='mybucket')
# write some bogus key so we can check it below
content = u"hello wořld\nhow are you?".encode('utf8')
with smart_open.smart_open("s3://mybucket/mykey", "wb") as fout:
fout.write(content)
smart_open_object = smart_open.smart_open("s3://mybucket/mykey")
self.assertEqual(content[:6], smart_open_object.read(6))
self.assertEqual(content[6:14], smart_open_object.read(8)) # ř is 2 bytes
smart_open_object.seek(0)
self.assertEqual(content, smart_open_object.read()) # no size given => read whole file
smart_open_object.seek(0)
self.assertEqual(content, smart_open_object.read(-1)) # same thing
class SmartOpenS3KwargsTest(unittest.TestCase):
@mock.patch('boto3.Session')
def test_no_kwargs(self, mock_session):
smart_open.smart_open('s3://mybucket/mykey')
mock_session.return_value.resource.assert_called_with('s3')
@mock.patch('boto3.Session')
def test_credentials(self, mock_session):
smart_open.smart_open('s3://access_id:access_secret@mybucket/mykey')
mock_session.assert_called_with(aws_access_key_id='access_id', aws_secret_access_key='access_secret')
mock_session.return_value.resource.assert_called_with('s3')
@mock.patch('boto3.Session')
def test_host(self, mock_session):
transport_params = {'resource_kwargs': {'endpoint_url': 'http://aa.domain.com'}}
smart_open.open("s3://access_id:access_secret@mybucket/mykey", transport_params=transport_params)
mock_session.assert_called_with(
aws_access_key_id='access_id',
aws_secret_access_key='access_secret',
)
mock_session.return_value.resource.assert_called_with(
's3',
endpoint_url='http://aa.domain.com',
)
@mock.patch('boto3.Session')
def test_s3_upload(self, mock_session):
smart_open.open(
"s3://bucket/key", 'wb', transport_params={
'multipart_upload_kwargs': {
'ServerSideEncryption': 'AES256',
'ContentType': 'application/json',
}
}
)
# Locate the s3.Object instance (mock)
s3_resource = mock_session.return_value.resource.return_value
s3_object = s3_resource.Object.return_value
# Check that `initiate_multipart_upload` was called
# with the desired args
s3_object.initiate_multipart_upload.assert_called_with(
ServerSideEncryption='AES256',
ContentType='application/json'
)
def test_session_read_mode(self):
"""
Read stream should use a custom boto3.Session
"""
session = boto3.Session()
session.resource = mock.MagicMock()
smart_open.open('s3://bucket/key', transport_params={'session': session})
session.resource.assert_called_with('s3')
def test_session_write_mode(self):
"""
Write stream should use a custom boto3.Session
"""
session = boto3.Session()
session.resource = mock.MagicMock()
smart_open.open('s3://bucket/key', 'wb', transport_params={'session': session})
session.resource.assert_called_with('s3')
class SmartOpenTest(unittest.TestCase):
"""
Test reading and writing from/into files.
"""
def setUp(self):
self.as_text = u'куда идём мы с пятачком - большой большой секрет'
self.as_bytes = self.as_text.encode('utf-8')
self.stringio = io.StringIO(self.as_text)
self.bytesio = io.BytesIO(self.as_bytes)
def test_file_mode_mock(self):
"""Are file:// open modes passed correctly?"""
# correct read modes
#
# We always open files in binary mode first, but engage
# encoders/decoders as necessary. Instead of checking how the file
# _initially_ got opened, we now also check the end result: if the
# contents got decoded correctly.
#
def test_text(self):
patch = _IO_OPEN if six.PY2 else _BUILTIN_OPEN
with mock.patch(patch, mock.Mock(return_value=self.stringio)) as mock_open:
with smart_open.smart_open("blah", "r", encoding='utf-8') as fin:
self.assertEqual(fin.read(), self.as_text)
mock_open.assert_called_with("blah", "r", buffering=-1, encoding='utf-8')