示例#1
0
 def test_append_existing_binary_file(self):
     """
     The L{append_text_file} function appends contents to an existing file.
     """
     existing_file = self.makeFile("foo bar")
     append_binary_file(existing_file, b" baz \xe2\x98\x83")
     self.assertFileContent(existing_file, b"foo bar baz \xe2\x98\x83")
示例#2
0
 def test_append_binary_no_file(self):
     """
     The L{append_text_file} function creates a new file if one doesn't
     exist already.
     """
     new_file = os.path.join(self.makeDir(), "new_file")
     append_binary_file(new_file, b"contents \xe2\x98\x83")
     self.assertFileContent(new_file, b"contents \xe2\x98\x83")
示例#3
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文件: testing.py 项目: P79N6A/docker
 def _install_deb_file(self, path):
     """Fake the the given deb file is installed in the system."""
     deb_file = open(path)
     deb = apt_inst.DebFile(deb_file)
     control = deb.control.extractdata("control")
     deb_file.close()
     lines = control.splitlines()
     lines.insert(1, b"Status: install ok installed")
     status = b"\n".join(lines)
     append_binary_file(self.dpkg_status, status + b"\n\n")
示例#4
0
文件: testing.py 项目: P79N6A/docker
 def _add_package(self,
                  packages_file,
                  name,
                  architecture="all",
                  version="1.0",
                  description="description",
                  control_fields=None):
     if control_fields is None:
         control_fields = {}
     package_stanza = textwrap.dedent(
         """
             Package: %(name)s
             Priority: optional
             Section: misc
             Installed-Size: 1234
             Maintainer: Someone
             Architecture: %(architecture)s
             Source: source
             Version: %(version)s
             Description: short description
              %(description)s
             """ % {
             "name": name,
             "version": version,
             "architecture": architecture,
             "description": description
         }).encode("utf-8")
     # We want to re-order the TagSection, but it requires bytes as input.
     # As we also want to write a binary file, we have to explicitly pass
     # the hardly documented `bytes=True` to TagSection as it would be
     # returned as unicode in Python 3 otherwise. In future versions of
     # apt_pkg there should be a TagSection.write() which is recommended.
     package_stanza = apt_pkg.rewrite_section(
         apt_pkg.TagSection(package_stanza, bytes=True),
         apt_pkg.REWRITE_PACKAGE_ORDER, list(control_fields.items()))
     append_binary_file(packages_file, b"\n" + package_stanza + b"\n")