Scripts to download files from google storage based on sha1 sums

third_party/gsutil/gslib/tests/testcase/integration_testcase.py

Index: third_party/gsutil/gslib/tests/testcase/integration_testcase.py
diff --git a/third_party/gsutil/gslib/tests/testcase/integration_testcase.py b/third_party/gsutil/gslib/tests/testcase/integration_testcase.py
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+# Copyright 2013 Google Inc. 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.
+
+"""Contains gsutil base integration test case class."""
+
+import logging
+import os.path
+import subprocess
+import sys
+
+import boto
+from boto.exception import GSResponseError
+
+from gslib.project_id import ProjectIdHandler
+import gslib.tests.util as util
+from gslib.tests.util import unittest
+from gslib.util import IS_WINDOWS
+from gslib.util import Retry
+import base
+
+
+CURDIR = os.path.abspath(os.path.dirname(__file__))
+TESTS_DIR = os.path.split(CURDIR)[0]
+GSLIB_DIR = os.path.split(TESTS_DIR)[0]
+GSUTIL_DIR = os.path.split(GSLIB_DIR)[0]
+GSUTIL_PATH = os.path.join(GSUTIL_DIR, 'gsutil')
+LOGGER = logging.getLogger('integration-test')
+
+
+@unittest.skipUnless(util.RUN_INTEGRATION_TESTS,
+                     'Not running integration tests.')
+class GsUtilIntegrationTestCase(base.GsUtilTestCase):
+  """Base class for gsutil integration tests."""
+  GROUP_TEST_ADDRESS = 'gs-discussion@googlegroups.com'
+  GROUP_TEST_ID = '00b4903a97d097895ab58ef505d535916a712215b79c3e54932c2eb502ad97f5'
+  USER_TEST_ADDRESS = 'gs-team@google.com'
+  USER_TEST_ID = '00b4903a9703325c6bfc98992d72e75600387a64b3b6bee9ef74613ef8842080'
+  DOMAIN_TEST = 'google.com'
+
+  def setUp(self):
+    super(GsUtilIntegrationTestCase, self).setUp()
+    self.bucket_uris = []
+
+    # Set up API version and project ID handler.
+    self.api_version = boto.config.get_value(
+        'GSUtil', 'default_api_version', '1')
+    self.proj_id_handler = ProjectIdHandler()
+
+  # Retry with an exponential backoff if a server error is received. This
+  # ensures that we try *really* hard to clean up after ourselves.
+  @Retry(GSResponseError, logger=LOGGER)
+  def tearDown(self):
+    super(GsUtilIntegrationTestCase, self).tearDown()
+
+    while self.bucket_uris:
+      bucket_uri = self.bucket_uris[-1]
+      bucket_list = list(bucket_uri.list_bucket(all_versions=True))
+      while bucket_list:
+        for k in bucket_list:
+          k.delete()
+        bucket_list = list(bucket_uri.list_bucket(all_versions=True))
+      bucket_uri.delete_bucket()
+      self.bucket_uris.pop()
+
+  def CreateBucket(self, bucket_name=None, test_objects=0, storage_class=None):
+    """Creates a test bucket.
+
+    The bucket and all of its contents will be deleted after the test.
+
+    Args:
+      bucket_name: Create the bucket with this name. If not provided, a
+                   temporary test bucket name is constructed.
+      test_objects: The number of objects that should be placed in the bucket.
+                    Defaults to 0.
+      storage_class: storage class to use. If not provided we us standard.
+
+    Returns:
+      StorageUri for the created bucket.
+    """
+    bucket_name = bucket_name or self.MakeTempName('bucket')
+
+    bucket_uri = boto.storage_uri('gs://%s' % bucket_name.lower(),
+                                  suppress_consec_slashes=False)
+
+    # Apply API version and project ID headers if necessary.
+    headers = {'x-goog-api-version': self.api_version}
+    self.proj_id_handler.FillInProjectHeaderIfNeeded(
+        'test', bucket_uri, headers)
+
+    bucket_uri.create_bucket(storage_class=storage_class, headers=headers)
+    self.bucket_uris.append(bucket_uri)
+    for i in range(test_objects):
+      self.CreateObject(bucket_uri=bucket_uri,
+                        object_name=self.MakeTempName('obj'),
+                        contents='test %d' % i)
+    return bucket_uri
+
+  def CreateVersionedBucket(self, bucket_name=None, test_objects=0):
+    """Creates a versioned test bucket.
+
+    The bucket and all of its contents will be deleted after the test.
+
+    Args:
+      bucket_name: Create the bucket with this name. If not provided, a
+                   temporary test bucket name is constructed.
+      test_objects: The number of objects that should be placed in the bucket.
+                    Defaults to 0.
+
+    Returns:
+      StorageUri for the created bucket with versioning enabled.
+    """
+    bucket_uri = self.CreateBucket(bucket_name=bucket_name,
+                               test_objects=test_objects)
+    bucket_uri.configure_versioning(True)
+    return bucket_uri
+
+  def CreateObject(self, bucket_uri=None, object_name=None, contents=None):
+    """Creates a test object.
+
+    Args:
+      bucket: The URI of the bucket to place the object in. If not specified, a
+              new temporary bucket is created.
+      object_name: The name to use for the object. If not specified, a temporary
+                   test object name is constructed.
+      contents: The contents to write to the object. If not specified, the key
+                is not written to, which means that it isn't actually created
+                yet on the server.
+
+    Returns:
+      A StorageUri for the created object.
+    """
+    bucket_uri = bucket_uri or self.CreateBucket()
+    object_name = object_name or self.MakeTempName('obj')
+    key_uri = bucket_uri.clone_replace_name(object_name)
+    if contents is not None:
+      key_uri.set_contents_from_string(contents)
+    return key_uri
+
+  def RunGsUtil(self, cmd, return_status=False, return_stdout=False,
+                return_stderr=False, expected_status=0, stdin=None):
+    """Runs the gsutil command.
+
+    Args:
+      cmd: The command to run, as a list, e.g. ['cp', 'foo', 'bar']
+      return_status: If True, the exit status code is returned.
+      return_stdout: If True, the standard output of the command is returned.
+      return_stderr: If True, the standard error of the command is returned.
+      expected_status: The expected return code. If not specified, defaults to
+                       0. If the return code is a different value, an exception
+                       is raised.
+      stdin: A string of data to pipe to the process as standard input.
+
+    Returns:
+      A tuple containing the desired return values specified by the return_*
+      arguments.
+    """
+    cmd = [GSUTIL_PATH] + cmd
+    if IS_WINDOWS:
+      cmd = [sys.executable] + cmd
+    p = subprocess.Popen(cmd, stdout=subprocess.PIPE, stderr=subprocess.PIPE,
+                         stdin=subprocess.PIPE)
+    (stdout, stderr) = p.communicate(stdin)
+    status = p.returncode
+
+    if expected_status is not None:
+      self.assertEqual(
+          status, expected_status,
+          msg='Expected status %d, got %d.\nCommand:\n%s\n\nstderr:\n%s' % (
+              expected_status, status, ' '.join(cmd), stderr))
+
+    toreturn = []
+    if return_status:
+      toreturn.append(status)
+    if return_stdout:
+      if IS_WINDOWS:
+        stdout = stdout.replace('\r\n', '\n')
+      toreturn.append(stdout)
+    if return_stderr:
+      if IS_WINDOWS:
+        stderr = stderr.replace('\r\n', '\n')
+      toreturn.append(stderr)
+
+    if len(toreturn) == 1:
+      return toreturn[0]
+    elif toreturn:
+      return tuple(toreturn)