annotate test/filesupport.py @ 171:c0ea6cbb0fd2

Add "--debbuildopts -b" to "pbuilder build" command line to stop pbuilder from creating a source package. The .changes would otherwise contain references to that new source package instead of the one we passed to pbuilder. The checksums for the two source packages would be different so the .changes file would not match the source package that treepkg produces.
author Bernhard Herzog <bh@intevation.de>
date Mon, 23 Jun 2008 16:12:01 +0000
parents 007d7f2aa184
children e1c7cd896310
rev   line source
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007d7f2aa184 Extend/Modify FileTestMixin.create_files:
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1 # Copyright (C) 2007, 2008 by Intevation GmbH
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2 # Authors:
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3 # Bernhard Herzog <bh@intevation.de>
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4 #
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5 # This program is free software under the GPL (>=v2)
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6 # Read the file COPYING coming with the software for details.
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7
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8 """Support code for the test cases"""
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9
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10 import os
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11 import shutil
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12 from treepkg.util import writefile
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14
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15 def create_temp_dir():
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16 """Create a temporary directory for the test-suite and return its name.
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17
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18 The temporary directory is always called temp and is created in the
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19 directory where the support module is located.
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20
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21 If the temp directory already exists, just return the name.
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22 """
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23 name = os.path.abspath(os.path.join(os.path.dirname(__file__), "temp"))
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24
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25 # if the directory already exists, we're done
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26 if os.path.isdir(name):
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27 return name
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28
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29 # create the directory
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30 os.mkdir(name)
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31 return name
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33
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34 class FileTestMixin:
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35
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36 """Mixin class for tests that use files in the temporary directory
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37 """
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38
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39 def temp_file_name(self, basename, remove=False):
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40 """Returns the full name of the file named basename in the temp. dir.
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41 If the remove parameter is true, the file is removed if already exists.
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42 """
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43 filename = os.path.join(create_temp_dir(), basename)
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44 if remove and os.path.exists(filename):
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45 os.remove(filename)
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46 return filename
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47
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48 def create_temp_file(self, basename, contents, mode = None):
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49 """Creates a file in the temp directory with the given contents.
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50 The optional parameter mode should either be None (the default)
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51 or an int specifying the file permissions (same format as the
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52 second parameter of os.chmod). The method returns the absolute
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53 name of the created file.
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54 """
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55 filename = self.temp_file_name(basename)
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56 file = open(filename, "w")
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57 file.write(contents)
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58 file.close()
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59 if mode is not None:
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60 os.chmod(filename, mode)
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61 return filename
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62
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63 def create_temp_dir(self, basename, remove=True):
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64 """Creates the directory basename in the temporary directory.
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65 If the optional parameter remove is true (the default), the
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66 directory and all its contents are deleted with shutil.rmtree.
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67 The method returns the absolute name of the created directory.
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68 """
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69 dirname = os.path.join(create_temp_dir(), basename)
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70 if remove and os.path.exists(dirname):
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71 shutil.rmtree(dirname)
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72 os.mkdir(dirname)
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73 return dirname
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74
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75 def create_files(self, directory, filedesc):
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76 """Creates a hierarchy of directories and files in directory.
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77 The filedesc parameter should be a sequence of (name, contents)
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78 pairs or (name, permissions, contents) triples. Each item of
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79 the sequence describes one entry of the directory. If contents
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80 is an instance of list, the entry is a subdirectory and the
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81 contents is a list in the same format as filedesc and passed
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82 recursively to the create_files method. If contents is a
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83 string, the new directory entry is a normal file and contents is
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84 the contents of the file. The permissions if present, should be
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85 an int specifying the files permissions (setting permissions
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86 doesn't work yet for directories).
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87 """
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88 shutil.rmtree(directory, True)
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89 os.makedirs(directory)
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90 for item in filedesc:
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91 if len(item) == 3:
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92 name, permissions, contents = item
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93 else:
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94 name, contents = item
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95 permissions = None # use default permissions
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96 if isinstance(contents, list):
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97 # a list as contents indicates a directory
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98 newdir = os.path.join(directory, name)
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99 os.mkdir(newdir)
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100 self.create_files(newdir, contents)
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101 else:
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102 writefile(os.path.join(directory, name), contents, permissions)
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103
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104 def checkFileContents(self, filename, contents):
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105 """check the contents of a file"""
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106 self.assertEquals(open(filename).read(), contents)
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