Add 'update-payload-extractor/' from commit '4632cf0a0a6db27cce20c25cb40fc469a2c8e9aa'

https://github.com/gmrt/update_payload_extractor

git-subtree-dir: update-payload-extractor
git-subtree-mainline: 9a231bd70b
git-subtree-split: 4632cf0a0a
Change-Id: I9ae25d32a7e9aa6664309e8b916811844d0cac50

update-payload-extractor/update_payload/format_utils_unittest.py

@@ -0,0 +1,89 @@
+#!/usr/bin/python2
+#
+# Copyright (C) 2013 The Android Open Source Project
+#
+# 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.
+#
+
+"""Unit tests for format_utils.py."""
+
+import unittest
+
+from update_payload import format_utils
+
+
+class NumToPercentTest(unittest.TestCase):
+  """ Tests number conversion to percentage format."""
+  def testHundredPercent(self):
+    self.assertEqual(format_utils.NumToPercent(1, 1), '100%')
+
+  def testOverHundredPercent(self):
+    self.assertEqual(format_utils.NumToPercent(5, 2), '250%')
+
+  def testWholePercent(self):
+    self.assertEqual(format_utils.NumToPercent(3, 10), '30%')
+
+  def testDefaultMinPrecision(self):
+    self.assertEqual(format_utils.NumToPercent(3, 9), '33.3%')
+    self.assertEqual(format_utils.NumToPercent(3, 900), '0.3%')
+
+  def testDefaultMaxPrecision(self):
+    self.assertEqual(format_utils.NumToPercent(3, 9000000), '0.00003%')
+    self.assertEqual(format_utils.NumToPercent(3, 90000000), '0%')
+
+  def testCustomMinPrecision(self):
+    self.assertEqual(format_utils.NumToPercent(3, 9, min_precision=3),
+                     '33.333%')
+    self.assertEqual(format_utils.NumToPercent(3, 9, min_precision=0),
+                     '33%')
+
+  def testCustomMaxPrecision(self):
+    self.assertEqual(format_utils.NumToPercent(3, 900, max_precision=1),
+                     '0.3%')
+    self.assertEqual(format_utils.NumToPercent(3, 9000, max_precision=1),
+                     '0%')
+
+
+class BytesToHumanReadableTest(unittest.TestCase):
+  """ Tests number conversion to human readable format."""
+  def testBaseTwo(self):
+    self.assertEqual(format_utils.BytesToHumanReadable(0x1000), '4 KiB')
+    self.assertEqual(format_utils.BytesToHumanReadable(0x400000), '4 MiB')
+    self.assertEqual(format_utils.BytesToHumanReadable(0x100000000), '4 GiB')
+    self.assertEqual(format_utils.BytesToHumanReadable(0x40000000000), '4 TiB')
+
+  def testDecimal(self):
+    self.assertEqual(format_utils.BytesToHumanReadable(5000, decimal=True),
+                     '5 kB')
+    self.assertEqual(format_utils.BytesToHumanReadable(5000000, decimal=True),
+                     '5 MB')
+    self.assertEqual(format_utils.BytesToHumanReadable(5000000000,
+                                                       decimal=True),
+                     '5 GB')
+
+  def testDefaultPrecision(self):
+    self.assertEqual(format_utils.BytesToHumanReadable(5000), '4.8 KiB')
+    self.assertEqual(format_utils.BytesToHumanReadable(500000), '488.2 KiB')
+    self.assertEqual(format_utils.BytesToHumanReadable(5000000), '4.7 MiB')
+
+  def testCustomPrecision(self):
+    self.assertEqual(format_utils.BytesToHumanReadable(5000, precision=3),
+                     '4.882 KiB')
+    self.assertEqual(format_utils.BytesToHumanReadable(500000, precision=0),
+                     '488 KiB')
+    self.assertEqual(format_utils.BytesToHumanReadable(5000000, precision=5),
+                     '4.76837 MiB')
+
+
+if __name__ == '__main__':
+  unittest.main()