[catapult] - Copy Telemetry's gsutilz over to third_party.

third_party/gsutil/gslib/tests/test_cat.py

+# -*- coding: utf-8 -*-
+# 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.
+"""Tests for cat command."""
+
+from __future__ import absolute_import
+
+import gslib.tests.testcase as testcase
+from gslib.tests.util import ObjectToURI as suri
+from gslib.tests.util import RUN_S3_TESTS
+
+
+class TestCat(testcase.GsUtilIntegrationTestCase):
+  """Integration tests for cat command."""
+
+  def test_cat_range(self):
+    """Tests cat command with various range arguments."""
+    key_uri = self.CreateObject(contents='0123456789')
+    # Test various invalid ranges.
+    stderr = self.RunGsUtil(['cat', '-r -', suri(key_uri)],
+                            return_stderr=True, expected_status=1)
+    self.assertIn('Invalid range', stderr)
+    stderr = self.RunGsUtil(['cat', '-r a-b', suri(key_uri)],
+                            return_stderr=True, expected_status=1)
+    self.assertIn('Invalid range', stderr)
+    stderr = self.RunGsUtil(['cat', '-r 1-2-3', suri(key_uri)],
+                            return_stderr=True, expected_status=1)
+    self.assertIn('Invalid range', stderr)
+    stderr = self.RunGsUtil(['cat', '-r 1.7-3', suri(key_uri)],
+                            return_stderr=True, expected_status=1)
+    self.assertIn('Invalid range', stderr)
+
+    # Test various valid ranges.
+    stdout = self.RunGsUtil(['cat', '-r 1-3', suri(key_uri)],
+                            return_stdout=True)
+    self.assertEqual('123', stdout)
+    stdout = self.RunGsUtil(['cat', '-r 8-', suri(key_uri)],
+                            return_stdout=True)
+    self.assertEqual('89', stdout)
+    stdout = self.RunGsUtil(['cat', '-r -3', suri(key_uri)],
+                            return_stdout=True)
+    self.assertEqual('789', stdout)
+
+  def test_cat_version(self):
+    """Tests cat command on versioned objects."""
+    bucket_uri = self.CreateVersionedBucket()
+    # Create 2 versions of an object.
+    uri1 = self.CreateObject(bucket_uri=bucket_uri, contents='data1')
+    uri2 = self.CreateObject(bucket_uri=bucket_uri,
+                             object_name=uri1.object_name, contents='data2')
+    stdout = self.RunGsUtil(['cat', suri(uri1)], return_stdout=True)
+    # Last version written should be live.
+    self.assertEqual('data2', stdout)
+    # Using either version-specific URI should work.
+    stdout = self.RunGsUtil(['cat', uri1.version_specific_uri],
+                            return_stdout=True)
+    self.assertEqual('data1', stdout)
+    stdout = self.RunGsUtil(['cat', uri2.version_specific_uri],
+                            return_stdout=True)
+    self.assertEqual('data2', stdout)
+    if RUN_S3_TESTS:
+      # S3 GETs of invalid versions return 400s.
+      # Also, appending between 1 and 3 characters to the version_id can
+      # result in a success (200) response from the server.
+      stderr = self.RunGsUtil(['cat', uri2.version_specific_uri + '23456'],
+                              return_stderr=True, expected_status=1)
+      self.assertIn('BadRequestException: 400', stderr)
+    else:
+      # Attempting to cat invalid version should result in an error.
+      stderr = self.RunGsUtil(['cat', uri2.version_specific_uri + '23'],
+                              return_stderr=True, expected_status=1)
+      self.assertIn('No URLs matched', stderr)
+
+  def test_cat_multi_arg(self):
+    """Tests cat command with multiple arguments."""
+    bucket_uri = self.CreateBucket()
+    data1 = '0123456789'
+    data2 = 'abcdefghij'
+    obj_uri1 = self.CreateObject(bucket_uri=bucket_uri, contents=data1)
+    obj_uri2 = self.CreateObject(bucket_uri=bucket_uri, contents=data2)
+    stdout, stderr = self.RunGsUtil(
+        ['cat', suri(obj_uri1), suri(bucket_uri) + 'nonexistent'],
+        return_stdout=True, return_stderr=True, expected_status=1)
+    # First object should print, second should produce an exception.
+    self.assertIn(data1, stdout)
+    self.assertIn('NotFoundException', stderr)
+
+    stdout, stderr = self.RunGsUtil(
+        ['cat', suri(bucket_uri) + 'nonexistent', suri(obj_uri1)],
+        return_stdout=True, return_stderr=True, expected_status=1)
+
+    # If first object is invalid, exception should halt output immediately.
+    self.assertNotIn(data1, stdout)
+    self.assertIn('NotFoundException', stderr)
+
+    # Two valid objects should both print successfully.
+    stdout = self.RunGsUtil(['cat', suri(obj_uri1), suri(obj_uri2)],
+                            return_stdout=True)
+    self.assertIn(data1 + data2, stdout)