1 files changed, 71 insertions, 0 deletions
diff --git a/infra/cifuzz/http_utils_test.py b/infra/cifuzz/http_utils_test.py
new file mode 100644
index 000000000..64d0598ac
--- /dev/null
+++ b/infra/cifuzz/http_utils_test.py
@@ -0,0 +1,71 @@
+# Copyright 2021 Google LLC
+#
+# 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 http_utils.py"""
+
+import unittest
+from unittest import mock
+
+from pyfakefs import fake_filesystem_unittest
+
+import http_utils
+
+mock_get_response = mock.MagicMock(status_code=200, content=b'')
+
+
+class DownloadUrlTest(unittest.TestCase):
+  """Tests that download_url works."""
+  URL = 'https://example.com/file'
+  FILE_PATH = '/tmp/file'
+
+  @mock.patch('time.sleep')
+  @mock.patch('requests.get', return_value=mock_get_response)
+  def test_download_url_no_error(self, mock_urlretrieve, _):
+    """Tests that download_url works when there is no error."""
+    self.assertTrue(http_utils.download_url(self.URL, self.FILE_PATH))
+    self.assertEqual(1, mock_urlretrieve.call_count)
+
+  @mock.patch('time.sleep')
+  @mock.patch('logging.error')
+  @mock.patch('requests.get',
+              return_value=mock.MagicMock(status_code=404, content=b''))
+  def test_download_url_http_error(self, mock_get, mock_error, _):
+    """Tests that download_url doesn't retry when there is an HTTP error."""
+    self.assertFalse(http_utils.download_url(self.URL, self.FILE_PATH))
+    mock_error.assert_called_with(
+        'Unable to download from: %s. Code: %d. Content: %s.', self.URL, 404,
+        b'')
+    self.assertEqual(1, mock_get.call_count)
+
+  @mock.patch('time.sleep')
+  @mock.patch('requests.get', side_effect=ConnectionResetError)
+  def test_download_url_connection_error(self, mock_get, mock_sleep):
+    """Tests that download_url doesn't retry when there is an HTTP error."""
+    self.assertFalse(http_utils.download_url(self.URL, self.FILE_PATH))
+    self.assertEqual(4, mock_get.call_count)
+    self.assertEqual(3, mock_sleep.call_count)
+
+
+class DownloadAndUnpackZipTest(fake_filesystem_unittest.TestCase):
+  """Tests download_and_unpack_zip."""
+
+  def setUp(self):
+    self.setUpPyfakefs()
+
+  @mock.patch('requests.get', return_value=mock_get_response)
+  def test_bad_zip_download(self, _):
+    """Tests download_and_unpack_zip returns none when a bad zip is passed."""
+    self.fs.create_file('/url_tmp.zip', contents='Test file.')
+    self.assertFalse(
+        http_utils.download_and_unpack_zip('/not/a/real/url',
+                                           '/extract-directory'))