# HG changeset patch
# User Bernhard Herzog <bh@intevation.de>
# Date 1211309236 0
# Node ID 9d59ed0e311620aea94442b2d63d4ab8acb1fe7e
# Parent  4bb029560721fcd90217b9bc9bbc269d670254bf
Add test/test_builder.py with tests for treepkg.builder

diff -r 4bb029560721 -r 9d59ed0e3116 test/test_builder.py
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/test_builder.py	Tue May 20 18:47:16 2008 +0000
@@ -0,0 +1,62 @@
+# Copyright (C) 2007, 2008 by Intevation GmbH
+# Authors:
+# Bernhard Herzog <bh@intevation.de>
+#
+# This program is free software under the GPL (>=v2)
+# Read the file COPYING coming with the software for details.
+
+"""Tests for treepkg.builder"""
+
+import sys
+import os
+import unittest
+
+from treepkg.builder import PBuilder
+
+from filesupport import FileTestMixin
+
+# helper program to dump the command line arguments into a file so that
+# test cases can check them.
+dump_command_line_py = """
+import sys
+open(sys.argv[1], 'w').write(repr(sys.argv[2:]))
+"""
+
+
+class TestPBuilder(unittest.TestCase, FileTestMixin):
+
+    def setUp(self):
+        self.dump_command_line = self.create_temp_file("dump_command_line.py",
+                                                       dump_command_line_py)
+        self.command_line_file = self.temp_file_name("command_line")
+        self.root_command = [sys.executable, self.dump_command_line,
+                             self.command_line_file]
+
+    def check_command_line(self, args):
+        self.checkFileContents(self.command_line_file, repr(args))
+
+    def test_build(self):
+        """Tests the PBuilder.build method.
+        The test checks whether the build method creates the binary_dir
+        and then checks the arguments with which the root command is
+        called.  The test is a little too strict because it expects a
+        specific order of the arguments even though the order of some of
+        the arguments doesn't matter.
+
+        A more thorough test of the build method is implicity done by
+        the packager tests.
+        """
+        binary_dir_name = self.temp_file_name("binary")
+        if os.path.exists(binary_dir_name):
+            os.rmdir(binary_dir_name)
+        # sanity check: the binary directory must not exist yet.
+        self.failIf(os.path.exists(binary_dir_name))
+
+        builder = PBuilder("my_pbuilderrc", self.root_command)
+        builder.build("my_dsc_file", binary_dir_name, "the_logfile")
+        self.check_command_line(['/usr/sbin/pbuilder', 'build',
+                                 '--configfile', 'my_pbuilderrc',
+                                 '--logfile', 'the_logfile',
+                                 '--buildresult', binary_dir_name,
+                                 'my_dsc_file'])
+        self.failUnless(os.path.isdir(binary_dir_name))