Split scm-specific functions out of gclient_scm.py to scm.py.

tests/gclient_utils_test.py

+#!/usr/bin/python
+# Copyright (c) 2006-2009 The Chromium Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+import re
+import StringIO
+
+import gclient_utils
+from super_mox import SuperMoxTestBase
+
+class SubprocessCallAndFilterTestCase(SuperMoxTestBase):
+  def testSubprocessCallAndFilter(self):
+    command = ['boo', 'foo', 'bar']
+    in_directory = 'bleh'
+    fail_status = None
+    pattern = 'a(.*)b'
+    test_string = 'ahah\naccb\nallo\naddb\n'
+    class Mock(object):
+      stdout = StringIO.StringIO(test_string)
+      def wait(self):
+        pass
+    kid = Mock()
+    print("\n________ running 'boo foo bar' in 'bleh'")
+    for i in test_string:
+      gclient_utils.sys.stdout.write(i)
+    gclient_utils.subprocess.Popen(
+        command, bufsize=0, cwd=in_directory,
+        shell=(gclient_utils.sys.platform == 'win32'),
+        stdout=gclient_utils.subprocess.PIPE,
+        stderr=gclient_utils.subprocess.STDOUT).AndReturn(kid)
+    self.mox.ReplayAll()
+    compiled_pattern = re.compile(pattern)
+    line_list = []
+    capture_list = []
+    def FilterLines(line):
+      line_list.append(line)
+      match = compiled_pattern.search(line)
+      if match:
+        capture_list.append(match.group(1))
+    gclient_utils.SubprocessCallAndFilter(
+        command, in_directory,
+        True, True,
+        fail_status, FilterLines)
+    self.assertEquals(line_list, ['ahah', 'accb', 'allo', 'addb'])
+    self.assertEquals(capture_list, ['cc', 'dd'])
+
+
+if __name__ == '__main__':
+  import unittest
+  unittest.main()
+
+# vim: ts=2:sw=2:tw=80:et: