text: #!/usr/bin/env python2.6
  
  '''
  Licensed to the Apache Software Foundation (ASF) under one
  or more contributor license agreements.  See the NOTICE file
  distributed with this work for additional information
  regarding copyright ownership.  The ASF licenses this file
  to you under the Apache License, Version 2.0 (the
  "License"); you may not use this file except in compliance
  with the License.  You may obtain a copy of the License at
  
      http://www.apache.org/licenses/LICENSE-2.0
  
  Unless required by applicable law or agreed to in writing, software
  distributed under the License is distributed on an "AS IS" BASIS,
  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  See the License for the specific language governing permissions and
  limitations under the License.
  '''
  import os, sys, StringIO
  
  from unittest import TestCase
  from ambari_agent import manifestGenerator
  import ambari_agent.AmbariConfig
  import tempfile
  import json
  import shutil
  from ambari_agent.AmbariConfig import AmbariConfig
  from mock.mock import patch, MagicMock, call
  
  
  class TestManifestGenerator(TestCase):
  
    def setUp(self):
      # disable stdout
      out = StringIO.StringIO()
      sys.stdout = out
  
      self.dir = tempfile.mkdtemp()
      self.config = AmbariConfig()
      jsonCommand = file('../../main/python/ambari_agent/test.json').read()
      self.parsedJson = json.loads(jsonCommand)
  
  
    def tearDown(self):
      shutil.rmtree(self.dir)
  
      # enable stdout
      sys.stdout = sys.__stdout__
  
  
    def testWriteImports(self):
      tmpFileName = tempfile.mkstemp(dir=self.dir, text=True)[1]
      print tmpFileName
      tmpFile = file(tmpFileName, 'r+')
  
      manifestGenerator.writeImports(tmpFile, '../../main/puppet/modules', self.config.getImports())
      tmpFile.seek(0)
      print tmpFile.read()
      tmpFile.close()
  
  
      pass
  
    @patch.object(manifestGenerator, 'writeImports')
    @patch.object(manifestGenerator, 'writeNodes')
    @patch.object(manifestGenerator, 'writeParams')
    @patch.object(manifestGenerator, 'writeTasks')
    def testGenerateManifest(self, writeTasksMock, writeParamsMock, writeNodesMock, writeImportsMock):
      tmpFileName = tempfile.mkstemp(dir=self.dir, text=True)[1]
      self.parsedJson['roleParams'] = 'role param'
      manifestGenerator.generateManifest(self.parsedJson, tmpFileName, '../../main/puppet/modules', self.config.getConfig())
  
      self.assertTrue(writeParamsMock.called)
      self.assertTrue(writeNodesMock.called)
      self.assertTrue(writeImportsMock.called)
      self.assertTrue(writeTasksMock.called)
  
      print file(tmpFileName).read()
  
      pass
  
    def testEscape(self):
      shouldBe = '\\\'\\\\'
      result = manifestGenerator.escape('\'\\')
      self.assertEqual(result, shouldBe)
  
  
    def test_writeNodes(self):
      tmpFileName = tempfile.mkstemp(dir=self.dir, text=True)[1]
      tmpFile = file(tmpFileName, 'r+')
  
      clusterHostInfo = self.parsedJson['clusterHostInfo']
      clusterHostInfo['zookeeper_hosts'] = ["h1.hortonworks.com", "h2.hortonworks.com"]
      manifestGenerator.writeNodes(tmpFile, clusterHostInfo)
      tmpFile.seek(0)
      print tmpFile.read()
      tmpFile.close()
      os.remove(tmpFileName)
  
  
    def test_writeHostAttributes(self):
      tmpFileName = tempfile.mkstemp(dir=self.dir, text=True)[1]
      tmpFile = file(tmpFileName, 'r+')
  
      hostAttributes = {'HostAttr1' : '1', 'HostAttr2' : '2'}
      manifestGenerator.writeHostAttributes(tmpFile, hostAttributes)
      tmpFile.seek(0)
      print tmpFile.read()
      tmpFile.close()
      os.remove(tmpFileName)
  
  
    def test_writeTasks(self):
      tmpFileName = tempfile.mkstemp(dir=self.dir, text=True)[1]
      tmpFile = file(tmpFileName, 'r+')
      roles = [{'role' : 'ZOOKEEPER_SERVER',
                'cmd' : 'NONE',
                'roleParams' : {'someRoleParams': '-x'}}]
      clusterHostInfo = self.parsedJson['clusterHostInfo']
      clusterHostInfo['zookeeper_hosts'] = ["h1.hortonworks.com", "h2.hortonworks.com"]
      manifestGenerator.writeTasks(tmpFile, roles, self.config, clusterHostInfo, "h1.hortonworks.com")
      tmpFile.seek(0)
      print tmpFile.read()
      tmpFile.close()
      os.remove(tmpFileName)