Index: autopilot/trunk/autopilot/list_tasks.py
===================================================================
--- autopilot/trunk/autopilot/list_tasks.py (revision 76)
+++ autopilot/trunk/autopilot/list_tasks.py (revision 90)
@@ -17,5 +17,128 @@
 import ConfigParser as cp
 
-if __name__ == "__main__":
+def _main():
+    """List all tasks for a glider in the configution file.
+
+    These doctests require write permission to tests/etc.
+
+    Missing configuration file:
+
+    >>> from StringIO import StringIO
+    >>> cfg = os.path.join(os.path.dirname(__file__),
+    ...                    "tests", "etc", "autopilot.cfg")
+    >>> try:
+    ...     os.remove(cfg)
+    ... except:
+    ...     pass
+    >>> sys.argv = ["python",
+    ...             cfg,
+    ...             "cthulhu",]
+    >>> output = StringIO()
+    >>> save = sys.stdout
+    >>> sys.stdout = output
+    >>> _main()
+    >>> sys.stdout = save
+    >>> output.getvalue() == "Glider cthulhu does not exist in {0}.\\n". \\
+    ...                      format(os.path.abspath(cfg))
+    True
+    >>> output.close()
+
+    Empty configuration file:
+
+    >>> from StringIO import StringIO
+    >>> cfg = os.path.join(os.path.dirname(__file__),
+    ...                    "tests", "etc", "autopilot.cfg")
+    >>> try:
+    ...     os.remove(cfg)
+    ...     open(cfg, 'w').close()
+    ... except:
+    ...     pass
+    >>> sys.argv = ["python",
+    ...             cfg,
+    ...             "cthulhu",]
+    >>> output = StringIO()
+    >>> save = sys.stdout
+    >>> sys.stdout = output
+    >>> _main()
+    >>> sys.stdout = save
+    >>> output.getvalue() == "Glider cthulhu does not exist in {0}.\\n". \\
+    ...                      format(os.path.abspath(cfg))
+    True
+    >>> output.close()
+
+    Configuration does not contain glider:
+
+    >>> import shutil
+    >>> from StringIO import StringIO
+    >>> cfg = os.path.join(os.path.dirname(__file__),
+    ...                    "tests", "etc", "autopilot.cfg")
+    >>> shutil.copy2(cfg + ".test", cfg)    
+    >>> sys.argv = ["python",
+    ...             cfg,
+    ...             "Cthulhu"]
+    >>> output = StringIO()
+    >>> save = sys.stdout
+    >>> sys.stdout = output
+    >>> _main()
+    >>> sys.stdout = save
+    >>> output.getvalue() == "Glider cthulhu does not exist in {0}.\\n". \\
+    ...                      format(os.path.abspath(cfg))
+    True
+    >>> output.close()
+
+    Glider does not contain task list:
+
+    >>> import shutil
+    >>> from StringIO import StringIO
+    >>> cfg = os.path.join(os.path.dirname(__file__),
+    ...                    "tests", "etc", "autopilot.cfg")
+    >>> shutil.copy2(cfg + ".test", cfg)    
+    >>> sys.argv = ["python",
+    ...             cfg,
+    ...             "Ramses"]
+    >>> output = StringIO()
+    >>> save = sys.stdout
+    >>> sys.stdout = output
+    >>> _main()
+    >>> sys.stdout = save
+    >>> output.getvalue() == "No tasks for glider ramses exist in {0}.\\n". \\
+    ...                      format(os.path.abspath(cfg))
+    True
+    >>> output.close()
+
+    Task list for glider is empty:
+
+    >>> import shutil
+    >>> from StringIO import StringIO
+    >>> cfg = os.path.join(os.path.dirname(__file__),
+    ...                    "tests", "etc", "autopilot.cfg")
+    >>> shutil.copy2(cfg + ".test", cfg)    
+    >>> sys.argv = ["python",
+    ...             cfg,
+    ...             "Pelagia"]
+    >>> output = StringIO()
+    >>> save = sys.stdout
+    >>> sys.stdout = output
+    >>> _main()
+    >>> sys.stdout = save
+    >>> output.getvalue() == "No tasks for glider pelagia exist in {0}.\\n". \\
+    ...                      format(os.path.abspath(cfg))
+    True
+    >>> output.close()
+
+    Regular configuration file:
+
+    >>> import shutil
+    >>> shutil.copy2(cfg + ".test", cfg)
+    >>> sys.argv = ["python",
+    ...             cfg,
+    ...             "Salacia",]
+    >>> _main()
+    alert
+    bearing
+    track
+
+    """
+
     num_args = len(sys.argv) - 1
     if num_args != 2:
@@ -61,2 +184,5 @@
         finally:
             lock.release()
+
+if __name__ == "__main__":
+    _main()
Index: autopilot/trunk/autopilot/tests/etc/autopilot.cfg.test
===================================================================
--- autopilot/trunk/autopilot/tests/etc/autopilot.cfg.test (revision 77)
+++ autopilot/trunk/autopilot/tests/etc/autopilot.cfg.test (revision 90)
@@ -2,5 +2,7 @@
 
 [pelagia]
+tasks = 
 
 [salacia]
+tasks = alert bearing track