#

# Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).

# All rights reserved.

# This component and the accompanying materials are made available

# under the terms of "Eclipse Public License v1.0"

# which accompanies this distribution, and is available

# at the URL "http://www.eclipse.org/legal/epl-v10.html".

#

# Initial Contributors:

# Nokia Corporation - initial contribution.

#

# Contributors:

#

# Description: 

#

import unittest

import os, shutil

import sys

import logging

from cone.public import exceptions,plugin,api,container

from cone.storage import filestorage

from legacyruleplugin import ruleml

from testautomation.base_testcase import BaseTestCase

# Hardcoded value of testdata folder that must be under the current working dir

ROOT_PATH = os.path.dirname(os.path.abspath(__file__))

testdata  = os.path.join(ROOT_PATH,'errorruleproject')

class TestErrorReporting(BaseTestCase):

    def setUp(self):

        pass

    def tearDown(self):

        pass

    def _prepare_workdir(self, workdir):

        workdir = os.path.join(ROOT_PATH, workdir)

        self.recreate_dir(workdir)

        return workdir

    def _prepare_log(self, log_file, level=logging.DEBUG, formatter="%(levelname)s - %(name)s - %(message)s", logger='cone'):

        FULL_PATH = os.path.join(ROOT_PATH, "temp", log_file)

        self.remove_if_exists(FULL_PATH)

        self.create_dir_for_file_path(FULL_PATH)

        handler = logging.FileHandler(FULL_PATH)

        handler.setLevel(level)

        frm = logging.Formatter(formatter)

        handler.setFormatter(frm)

        logger = logging.getLogger(logger)

        logger.addHandler(handler)

        return [FULL_PATH, handler, logger]

    def _execute_rules(self, project_location):

        project = api.Project(api.Storage.open(os.path.join(ROOT_PATH, project_location)))

        config = project.get_configuration('root.confml')

        context = plugin.GenerationContext(configuration=config)

        implcontainer = plugin.get_impl_set(config, r'\.ruleml$')

        implcontainer.get_relation_container().execute(context)

        lastconfig = config.get_last_configuration()

        project.close()

    def test_terminal_expression_repr(self):

        log_file, handler, logger = self._prepare_log('test1.log')

        self._execute_rules('errorruleproject/test1')

        logger.removeHandler(handler)

        self.assert_file_does_not_contain(log_file, "<cone.public.rules.TerminalExpression object at")

    def test_invalid_python_code_eval(self):

        log_file, handler, logger = self._prepare_log('test2.log')

        self._execute_rules('errorruleproject/test2')

        logger.removeHandler(handler)

        self.assert_file_contains(log_file, "INFO - cone.ruleml - Set EvalTest2.StringResult = None from ConfigureRelation(ref='implml/invalid_python_eval.ruleml', lineno=3)")

        self.assert_file_contains(log_file, "WARNING - cone.ruleml - Invalid syntax in eval: -> this is invalid python code")

        self.assert_file_contains(log_file, "ERROR - cone.ruleml_relation_container(implml/invalid_python_eval.ruleml:3) - '-> this is invalid python code'")

    def test_invalid_python_code_eval_globals(self):

        log_file, handler, logger = self._prepare_log('test3.log')

        self._execute_rules('errorruleproject/test3')

        logger.removeHandler(handler)

        self.assert_file_contains(log_file, "WARNING - cone.ruleml(implml/invalid_python_eval.ruleml) - Cannot import eval file: implml/scripts/test_eval.py. Exception: invalid syntax (<string>, line 17)")

    def test_invalid_file_reference_in_eval_globals_file_attribute(self):

        log_file, handler, logger = self._prepare_log('test4.log')

        self._execute_rules('errorruleproject/test4')

        logger.removeHandler(handler)

        self.assert_file_contains(log_file, "WARNING - cone.ruleml(implml/invalid_python_eval.ruleml) - Cannot import eval file: implml/scripts/not_valid_filename.py. Exception: implml/scripts/not_valid_filename.py, [Errno 2] No such file or directory:")

        self.assert_file_contains(log_file, '/implml/scripts/not_valid_filename.py')

    def test_runtime_error_when_running_an_eval_block_inside_rule(self):

        log_file, handler, logger = self._prepare_log('test5.log')

        self._execute_rules('errorruleproject/test5')

        logger.removeHandler(handler)

        self.assert_file_contains(log_file, "Execution failed for eval: 7/0 <type 'exceptions.ZeroDivisionError'>: integer division or modulo by zero")

    def test_references_non_existent_settings(self):

        log_file, handler, logger = self._prepare_log('test6.log')

        self._execute_rules('errorruleproject/test6')

        logger.removeHandler(handler)

        #self.assert_file_contains(log_file, "Execution failed for eval: 7/0 <type 'exceptions.ZeroDivisionError'>: integer division or modulo by zero")

if __name__ == '__main__':

    unittest.main()