fs_config: add unit tests
am: 92ec0ab5e8
Change-Id: I7afc692257d31a09cd1bdcab2ed6d8835e56fa51
This commit is contained in:
William Roberts
android-build-merger
commit
bd19c0cd23
3 changed files with 285 additions and 0 deletions
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@ -124,3 +124,19 @@ For OEMs wishing to use the define AIDs in their native code, one can access the
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file like so:
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1. In your C code just #include "generated_oem_aid.h" and start using the declared identifiers.
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2. In your Makefile add this static library like so: LOCAL_STATIC_LIBRARIES := liboemaids
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Unit Tests:
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From within the fs_config directory, unit tests can be executed like so:
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$ python -m unittest test_fs_config_generator.Tests
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.............
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----------------------------------------------------------------------
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Ran 13 tests in 0.004s
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OK
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One could also use nose if they would like:
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$ nose2
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To add new tests, simply add a test_<xxx> method to the test class. It will automatically
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get picked up and added to the test suite.
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@ -158,6 +158,12 @@ class AID(object):
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friendly = identifier[len(AID.PREFIX):].lower()
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self.friendly = AID._fixup_friendly(friendly)
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def __eq__(self, other):
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return self.identifier == other.identifier \
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and self.value == other.value and self.found == other.found \
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and self.normalized_value == other.normalized_value
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@staticmethod
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def is_friendly(name):
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"""Determines if an AID is a freindly name or C define.
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@ -218,6 +224,12 @@ class FSConfig(object):
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self.path = path
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self.filename = filename
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def __eq__(self, other):
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return self.mode == other.mode and self.user == other.user \
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and self.group == other.group and self.caps == other.caps \
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and self.path == other.path and self.filename == other.filename
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class AIDHeaderParser(object):
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"""Parses an android_filesystem_config.h file.
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257
tools/fs_config/test_fs_config_generator.py
Executable file
257
tools/fs_config/test_fs_config_generator.py
Executable file
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@ -0,0 +1,257 @@
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#!/usr/bin/env python
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"""Unit test suite for the fs_config_genertor.py tool."""
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import tempfile
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import textwrap
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import unittest
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from fs_config_generator import AID
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from fs_config_generator import AIDHeaderParser
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from fs_config_generator import FSConfigFileParser
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from fs_config_generator import FSConfig
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from fs_config_generator import Utils
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# Disable protected access so we can test class internal
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# methods. Also, disable invalid-name as some of the
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# class method names are over length.
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# pylint: disable=protected-access,invalid-name
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class Tests(unittest.TestCase):
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"""Test class for unit tests"""
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def test_is_overlap(self):
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"""Test overlap detection helper"""
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self.assertTrue(AIDHeaderParser._is_overlap((0, 1), (1, 2)))
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self.assertTrue(AIDHeaderParser._is_overlap((0, 100), (90, 200)))
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self.assertTrue(AIDHeaderParser._is_overlap((20, 50), (1, 101)))
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self.assertFalse(AIDHeaderParser._is_overlap((0, 100), (101, 200)))
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self.assertFalse(AIDHeaderParser._is_overlap((-10, 0), (10, 20)))
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def test_in_any_range(self):
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"""Test if value in range"""
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self.assertFalse(Utils.in_any_range(50, [(100, 200), (1, 2), (1, 1)]))
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self.assertFalse(Utils.in_any_range(250, [(100, 200), (1, 2), (1, 1)]))
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self.assertTrue(Utils.in_any_range(100, [(100, 200), (1, 2), (1, 1)]))
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self.assertTrue(Utils.in_any_range(200, [(100, 200), (1, 2), (1, 1)]))
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self.assertTrue(Utils.in_any_range(150, [(100, 200)]))
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def test_aid(self):
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"""Test AID class constructor"""
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aid = AID('AID_FOO_BAR', '0xFF', 'myfakefile')
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self.assertEquals(aid.identifier, 'AID_FOO_BAR')
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self.assertEquals(aid.value, '0xFF')
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self.assertEquals(aid.found, 'myfakefile')
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self.assertEquals(aid.normalized_value, '255')
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self.assertEquals(aid.friendly, 'foo_bar')
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aid = AID('AID_MEDIA_EX', '1234', 'myfakefile')
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self.assertEquals(aid.identifier, 'AID_MEDIA_EX')
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self.assertEquals(aid.value, '1234')
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self.assertEquals(aid.found, 'myfakefile')
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self.assertEquals(aid.normalized_value, '1234')
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self.assertEquals(aid.friendly, 'mediaex')
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def test_aid_header_parser_good(self):
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"""Test AID Header Parser good input file"""
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with tempfile.NamedTemporaryFile() as temp_file:
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temp_file.write(
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textwrap.dedent("""
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#define AID_FOO 1000
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#define AID_BAR 1001
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#define SOMETHING "something"
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#define AID_OEM_RESERVED_START 2900
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#define AID_OEM_RESERVED_END 2999
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#define AID_OEM_RESERVED_1_START 7000
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#define AID_OEM_RESERVED_1_END 8000
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"""))
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temp_file.flush()
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parser = AIDHeaderParser(temp_file.name)
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oem_ranges = parser.oem_ranges
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aids = parser.aids
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self.assertTrue((2900, 2999) in oem_ranges)
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self.assertFalse((5000, 6000) in oem_ranges)
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for aid in aids:
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self.assertTrue(aid.normalized_value in ['1000', '1001'])
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self.assertFalse(aid.normalized_value in ['1', '2', '3'])
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def test_aid_header_parser_good_unordered(self):
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"""Test AID Header Parser good unordered input file"""
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with tempfile.NamedTemporaryFile() as temp_file:
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temp_file.write(
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textwrap.dedent("""
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#define AID_FOO 1000
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#define AID_OEM_RESERVED_1_END 8000
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#define AID_BAR 1001
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#define SOMETHING "something"
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#define AID_OEM_RESERVED_END 2999
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#define AID_OEM_RESERVED_1_START 7000
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#define AID_OEM_RESERVED_START 2900
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"""))
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temp_file.flush()
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parser = AIDHeaderParser(temp_file.name)
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oem_ranges = parser.oem_ranges
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aids = parser.aids
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self.assertTrue((2900, 2999) in oem_ranges)
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self.assertFalse((5000, 6000) in oem_ranges)
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for aid in aids:
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self.assertTrue(aid.normalized_value in ['1000', '1001'])
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self.assertFalse(aid.normalized_value in ['1', '2', '3'])
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def test_aid_header_parser_bad_aid(self):
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"""Test AID Header Parser bad aid input file"""
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with tempfile.NamedTemporaryFile() as temp_file:
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temp_file.write(
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textwrap.dedent("""
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#define AID_FOO "bad"
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"""))
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temp_file.flush()
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with self.assertRaises(SystemExit):
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AIDHeaderParser(temp_file.name)
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def test_aid_header_parser_bad_oem_range(self):
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"""Test AID Header Parser bad oem range input file"""
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with tempfile.NamedTemporaryFile() as temp_file:
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temp_file.write(
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textwrap.dedent("""
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#define AID_OEM_RESERVED_START 2900
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#define AID_OEM_RESERVED_END 1800
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"""))
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temp_file.flush()
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with self.assertRaises(SystemExit):
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AIDHeaderParser(temp_file.name)
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def test_aid_header_parser_bad_oem_range_no_end(self):
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"""Test AID Header Parser bad oem range (no end) input file"""
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with tempfile.NamedTemporaryFile() as temp_file:
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temp_file.write(
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textwrap.dedent("""
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#define AID_OEM_RESERVED_START 2900
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"""))
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temp_file.flush()
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with self.assertRaises(SystemExit):
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AIDHeaderParser(temp_file.name)
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def test_aid_header_parser_bad_oem_range_no_start(self):
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"""Test AID Header Parser bad oem range (no start) input file"""
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with tempfile.NamedTemporaryFile() as temp_file:
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temp_file.write(
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textwrap.dedent("""
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#define AID_OEM_RESERVED_END 2900
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"""))
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temp_file.flush()
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with self.assertRaises(SystemExit):
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AIDHeaderParser(temp_file.name)
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def test_aid_header_parser_bad_oem_range_mismatch_start_end(self):
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"""Test AID Header Parser bad oem range mismatched input file"""
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with tempfile.NamedTemporaryFile() as temp_file:
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temp_file.write(
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textwrap.dedent("""
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#define AID_OEM_RESERVED_START 2900
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#define AID_OEM_RESERVED_2_END 2900
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"""))
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temp_file.flush()
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with self.assertRaises(SystemExit):
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AIDHeaderParser(temp_file.name)
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def test_fs_config_file_parser_good(self):
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"""Test FSConfig Parser good input file"""
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with tempfile.NamedTemporaryFile() as temp_file:
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temp_file.write(
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textwrap.dedent("""
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[/system/bin/file]
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user: AID_FOO
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group: AID_SYSTEM
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mode: 0777
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caps: BLOCK_SUSPEND
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[/vendor/path/dir/]
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user: AID_FOO
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group: AID_SYSTEM
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mode: 0777
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caps: 0
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[AID_OEM1]
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# 5001 in base16
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value: 0x1389
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"""))
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temp_file.flush()
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parser = FSConfigFileParser([temp_file.name], [(5000, 5999)])
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files = parser.files
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dirs = parser.dirs
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aids = parser.aids
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self.assertEquals(len(files), 1)
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self.assertEquals(len(dirs), 1)
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self.assertEquals(len(aids), 1)
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aid = aids[0]
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fcap = files[0]
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dcap = dirs[0]
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self.assertEqual(fcap,
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FSConfig('0777', 'AID_FOO', 'AID_SYSTEM',
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'(1ULL << CAP_BLOCK_SUSPEND)',
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'/system/bin/file', temp_file.name))
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self.assertEqual(dcap,
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FSConfig('0777', 'AID_FOO', 'AID_SYSTEM', '(0)',
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'/vendor/path/dir/', temp_file.name))
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self.assertEqual(aid, AID('AID_OEM1', '0x1389', temp_file.name))
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def test_fs_config_file_parser_bad(self):
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"""Test FSConfig Parser bad input file"""
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with tempfile.NamedTemporaryFile() as temp_file:
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temp_file.write(
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textwrap.dedent("""
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[/system/bin/file]
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caps: BLOCK_SUSPEND
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"""))
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temp_file.flush()
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with self.assertRaises(SystemExit):
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FSConfigFileParser([temp_file.name], [(5000, 5999)])
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def test_fs_config_file_parser_bad_aid_range(self):
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"""Test FSConfig Parser bad aid range value input file"""
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with tempfile.NamedTemporaryFile() as temp_file:
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temp_file.write(
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textwrap.dedent("""
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[AID_OEM1]
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value: 25
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"""))
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temp_file.flush()
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with self.assertRaises(SystemExit):
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FSConfigFileParser([temp_file.name], [(5000, 5999)])
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