Open Source Monorail

appengine/monorail/framework/test/gcs_helpers_test.py

+# Copyright 2016 The Chromium Authors. All rights reserved.
+# Use of this source code is govered by a BSD-style
+# license that can be found in the LICENSE file or at
+# https://developers.google.com/open-source/licenses/bsd
+
+"""Unit tests for the framework_helpers module."""
+
+import unittest
+import uuid
+
+import mox
+
+from google.appengine.api import app_identity
+from google.appengine.api import images
+from third_party import cloudstorage
+
+from framework import filecontent
+from framework import gcs_helpers
+from testing import fake
+from testing import testing_helpers
+
+
+class GcsHelpersTest(unittest.TestCase):
+
+  def setUp(self):
+    self.mox = mox.Mox()
+
+  def tearDown(self):
+    self.mox.UnsetStubs()
+    self.mox.ResetAll()
+
+  def testDeleteObjectFromGCS(self):
+    object_id = 'aaaaa'
+    bucket_name = 'test_bucket'
+    object_path = '/' + bucket_name + object_id
+
+    self.mox.StubOutWithMock(app_identity, 'get_default_gcs_bucket_name')
+    app_identity.get_default_gcs_bucket_name().AndReturn(bucket_name)
+
+    self.mox.StubOutWithMock(cloudstorage, 'delete')
+    cloudstorage.delete(object_path)
+
+    self.mox.ReplayAll()
+
+    gcs_helpers.DeleteObjectFromGCS(object_id)
+    self.mox.VerifyAll()
+
+  def testStoreObjectInGCS_ResizableMimeType(self):
+    guid = 'aaaaa'
+    project_id = 100
+    object_id = '/%s/attachments/%s' % (project_id, guid)
+    bucket_name = 'test_bucket'
+    object_path = '/' + bucket_name + object_id
+    mime_type = 'image/png'
+    content = 'content'
+    thumb_content = 'thumb_content'
+
+    self.mox.StubOutWithMock(app_identity, 'get_default_gcs_bucket_name')
+    app_identity.get_default_gcs_bucket_name().AndReturn(bucket_name)
+
+    self.mox.StubOutWithMock(uuid, 'uuid4')
+    uuid.uuid4().AndReturn(guid)
+
+    self.mox.StubOutWithMock(cloudstorage, 'open')
+    cloudstorage.open(object_path, 'w', mime_type).AndReturn(fake.FakeFile())
+    cloudstorage.open(object_path + '-thumbnail', 'w', mime_type).AndReturn(
+        fake.FakeFile())
+
+    self.mox.StubOutWithMock(images, 'resize')
+    images.resize(content, gcs_helpers.DEFAULT_THUMB_WIDTH,
+                  gcs_helpers.DEFAULT_THUMB_HEIGHT).AndReturn(thumb_content)
+
+    self.mox.ReplayAll()
+
+    ret_id = gcs_helpers.StoreObjectInGCS(
+        content, mime_type, project_id, gcs_helpers.DEFAULT_THUMB_WIDTH,
+        gcs_helpers.DEFAULT_THUMB_HEIGHT)
+    self.mox.VerifyAll()
+    self.assertEquals(object_id, ret_id)
+
+  def testStoreObjectInGCS_NotResizableMimeType(self):
+    guid = 'aaaaa'
+    project_id = 100
+    object_id = '/%s/attachments/%s' % (project_id, guid)
+    bucket_name = 'test_bucket'
+    object_path = '/' + bucket_name + object_id
+    mime_type = 'not_resizable_mime_type'
+    content = 'content'
+
+    self.mox.StubOutWithMock(app_identity, 'get_default_gcs_bucket_name')
+    app_identity.get_default_gcs_bucket_name().AndReturn(bucket_name)
+
+    self.mox.StubOutWithMock(uuid, 'uuid4')
+    uuid.uuid4().AndReturn(guid)
+
+    self.mox.StubOutWithMock(cloudstorage, 'open')
+    cloudstorage.open(object_path, 'w', mime_type).AndReturn(fake.FakeFile())
+
+    self.mox.ReplayAll()
+
+    ret_id = gcs_helpers.StoreObjectInGCS(
+        content, mime_type, project_id, gcs_helpers.DEFAULT_THUMB_WIDTH,
+        gcs_helpers.DEFAULT_THUMB_HEIGHT)
+    self.mox.VerifyAll()
+    self.assertEquals(object_id, ret_id)
+
+  def testCheckMemeTypeResizable(self):
+    for resizable_mime_type in gcs_helpers.RESIZABLE_MIME_TYPES:
+      gcs_helpers.CheckMimeTypeResizable(resizable_mime_type)
+
+    with self.assertRaises(gcs_helpers.UnsupportedMimeType):
+      gcs_helpers.CheckMimeTypeResizable('not_resizable_mime_type')
+
+  def testStoreLogoInGCS(self):
+    file_name = 'test_file.png'
+    mime_type = 'image/png'
+    content = 'test content'
+    project_id = 100
+    object_id = 123
+
+    self.mox.StubOutWithMock(filecontent, 'GuessContentTypeFromFilename')
+    filecontent.GuessContentTypeFromFilename(file_name).AndReturn(mime_type)
+
+    self.mox.StubOutWithMock(gcs_helpers, 'StoreObjectInGCS')
+    gcs_helpers.StoreObjectInGCS(
+        content, mime_type, project_id,
+        thumb_width=gcs_helpers.LOGO_THUMB_WIDTH,
+        thumb_height=gcs_helpers.LOGO_THUMB_HEIGHT).AndReturn(object_id)
+
+    self.mox.ReplayAll()
+
+    ret_id = gcs_helpers.StoreLogoInGCS(file_name, content, project_id)
+    self.mox.VerifyAll()
+    self.assertEquals(object_id, ret_id)