50 lines
1.8 KiB
Python
50 lines
1.8 KiB
Python
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# Copyright 2016 Andreas Florath (andreas@florath.net)
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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from diskimage_builder.block_device.utils import parse_abs_size_spec
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from diskimage_builder.block_device.utils import parse_rel_size_spec
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import testtools
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class TestBlockDeviceUtils(testtools.TestCase):
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"""Tests for the utils.py in the block_device dir.
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This tests mostly the error and failure cases - because the good
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cases are tested implicitly with the higher level unit tests.
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"""
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def test_parse_rel_size_with_abs(self):
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"""Calls parse_rel_size_spec with an absolute number"""
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is_rel, size = parse_rel_size_spec("154MiB", 0)
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self.assertFalse(is_rel)
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self.assertEqual(154 * 1024 * 1024, size)
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def test_parse_abs_size_without_spec(self):
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"""Call parse_abs_size_spec without spec"""
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size = parse_abs_size_spec("198")
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self.assertEqual(198, size)
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def test_invalid_unit_spec(self):
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"""Call parse_abs_size_spec with invalid unit spec"""
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self.assertRaises(RuntimeError, parse_abs_size_spec, "747InVaLiDUnIt")
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def test_broken_unit_spec(self):
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"""Call parse_abs_size_spec with a completely broken unit spec"""
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self.assertRaises(RuntimeError, parse_abs_size_spec, "_+!HuHi+-=")
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