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#!/usr/bin/python3
#
# Copyright (C) 2010 Michael Vogt <mvo@ubuntu.com>
# Copyright (C) 2012 Canonical Ltd.
# Author: Colin Watson <cjwatson@ubuntu.com>
#
# Copying and distribution of this file, with or without modification,
# are permitted in any medium without royalty provided the copyright
# notice and this notice are preserved.
"""Unit tests for verifying the correctness of apt_pkg.TagFile"""
import glob
import os
import shutil
import sys
import tempfile
import unittest
from test_all import get_library_dir
libdir = get_library_dir()
if libdir:
sys.path.insert(0, libdir)
import apt_pkg
import testcommon
class TestOpenMaybeClearSigned(testcommon.TestCase):
def test_open_trivial(self):
basepath = os.path.dirname(__file__)
fd = apt_pkg.open_maybe_clear_signed_file(
os.path.join(basepath, "./data/test_debs/hello_2.5-1.dsc")
)
with os.fdopen(fd) as f:
data = f.read()
self.assertTrue(data.startswith("Format: 1.0\n"))
def test_open_normal(self):
basepath = os.path.dirname(__file__)
fd = apt_pkg.open_maybe_clear_signed_file(
os.path.join(basepath, "./data/misc/foo_Release")
)
with os.fdopen(fd) as f:
data = f.read()
self.assertTrue(data.startswith("Origin: Ubuntu\n"))
def xtest_open_does_not_exit(self):
with self.assertRaises(SystemError):
apt_pkg.open_maybe_clear_signed_file("does-not-exists")
class TestTagFile(testcommon.TestCase):
"""test the apt_pkg.TagFile"""
def setUp(self):
testcommon.TestCase.setUp(self)
self.temp_dir = tempfile.mkdtemp()
def tearDown(self):
shutil.rmtree(self.temp_dir)
def test_tag_file(self):
basepath = os.path.dirname(__file__)
tagfilepath = os.path.join(basepath, "./data/tagfile/*")
# test once for compressed and uncompressed
for testfile in glob.glob(tagfilepath):
# test once using the open() method and once using the path
tagfile = apt_pkg.TagFile(testfile)
for i, stanza in enumerate(tagfile):
pass
self.assertEqual(i, 2)
with open(testfile) as f:
tagfile = apt_pkg.TagFile(f)
for i, stanza in enumerate(tagfile):
pass
self.assertEqual(i, 2)
def test_errors(self):
# Raises SystemError via lbiapt
self.assertRaises(SystemError, apt_pkg.TagFile, "not-there-no-no")
# Raises Type error
self.assertRaises(TypeError, apt_pkg.TagFile, object())
def test_utf8(self):
value = "Tést Persön <test@example.org>"
packages = os.path.join(self.temp_dir, "Packages")
with open(packages, "w", encoding="UTF-8") as packages_file:
print("Maintainer: %s" % value, file=packages_file)
print("", file=packages_file)
with open(packages, encoding="UTF-8") as packages_file:
tagfile = apt_pkg.TagFile(packages_file)
tagfile.step()
self.assertEqual(value, tagfile.section["Maintainer"])
def test_latin1(self):
value = "Tést Persön <test@example.org>"
packages = os.path.join(self.temp_dir, "Packages")
with open(packages, "w", encoding="ISO-8859-1") as packages_file:
print("Maintainer: %s" % value, file=packages_file)
print("", file=packages_file)
with open(packages) as packages_file:
tagfile = apt_pkg.TagFile(packages_file, bytes=True)
tagfile.step()
self.assertEqual(value.encode("ISO-8859-1"), tagfile.section["Maintainer"])
with open(packages, encoding="ISO-8859-1") as packages_file:
tagfile = apt_pkg.TagFile(packages_file)
tagfile.step()
self.assertEqual(value, tagfile.section["Maintainer"])
def test_mixed(self):
value = "Tést Persön <test@example.org>"
packages = os.path.join(self.temp_dir, "Packages")
with open(packages, "w", encoding="UTF-8") as packages_file:
print("Maintainer: %s" % value, file=packages_file)
print("", file=packages_file)
with open(packages, "a", encoding="ISO-8859-1") as packages_file:
print("Maintainer: %s" % value, file=packages_file)
print("", file=packages_file)
with open(packages) as packages_file:
tagfile = apt_pkg.TagFile(packages_file, bytes=True)
tagfile.step()
self.assertEqual(value.encode("UTF-8"), tagfile.section["Maintainer"])
tagfile.step()
self.assertEqual(value.encode("ISO-8859-1"), tagfile.section["Maintainer"])
class TestTagSection(testcommon.TestCase):
"""test the apt_pkg.TagFile"""
def setUp(self):
testcommon.TestCase.setUp(self)
self.temp_dir = tempfile.mkdtemp()
def tearDown(self):
shutil.rmtree(self.temp_dir)
def test_invalid_unicode_key(self):
ts = apt_pkg.TagSection(b"T\xc3st: Value\n", bytes=True)
self.assertEqual(len(ts), 1)
self.assertRaises(UnicodeDecodeError, ts.keys)
def test_write(self):
ts = apt_pkg.TagSection("a: 1\nb: 2\nc: 3\n")
outpath = os.path.join(self.temp_dir, "test")
with open(outpath, "w") as outfile:
ts.write(outfile, [], [])
with open(outpath) as outfile:
self.assertEqual(outfile.read(), "a: 1\nb: 2\nc: 3\n")
def test_write_order(self):
ts = apt_pkg.TagSection("a: 1\nb: 2\nc: 3\n")
outpath = os.path.join(self.temp_dir, "test")
with open(outpath, "w") as outfile:
ts.write(outfile, ["a", "c", "b"], [])
with open(outpath) as outfile:
self.assertEqual(outfile.read(), "a: 1\nc: 3\nb: 2\n")
def test_write_invalid_order(self):
ts = apt_pkg.TagSection("a: 1\nb: 2\nc: 3\n")
outpath = os.path.join(self.temp_dir, "test")
with open(outpath, "w") as outfile:
self.assertRaises(TypeError, ts.write, outfile, ["a", 1, "b"], [])
def test_write_remove(self):
ts = apt_pkg.TagSection("a: 1\nb: 2\nc: 3\n")
outpath = os.path.join(self.temp_dir, "test")
with open(outpath, "w") as outfile:
ts.write(outfile, ["a", "c", "b"], [apt_pkg.TagRemove("a")])
with open(outpath) as outfile:
self.assertEqual(outfile.read(), "c: 3\nb: 2\n")
def test_write_rewrite(self):
ts = apt_pkg.TagSection("a: 1\nb: 2\nc: 3\n")
outpath = os.path.join(self.temp_dir, "test")
with open(outpath, "w") as outfile:
ts.write(outfile, ["a", "c", "b"], [apt_pkg.TagRewrite("a", "AA")])
with open(outpath) as outfile:
self.assertEqual(outfile.read(), "a: AA\nc: 3\nb: 2\n")
def test_write_rename(self):
ts = apt_pkg.TagSection("a: 1\nb: 2\nc: 3\n")
outpath = os.path.join(self.temp_dir, "test")
with open(outpath, "w") as outfile:
ts.write(outfile, ["a", "z", "b"], [apt_pkg.TagRename("c", "z")])
with open(outpath) as outfile:
self.assertEqual(outfile.read(), "a: 1\nz: 3\nb: 2\n")
if __name__ == "__main__":
unittest.main()
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