class SettingsManager(object):
'''
SettingsManager class manage configuration file, reading and writing settings
'''
def __init__(self, fileName):
"Initialize all the variables use to manage settings of the configuration file"
self.settings = Settings(fileName)
self.fileName = fileName
def load(self):
'''
Settings are read of the configuration file given a file_name
'''
reader = SettingsReader()
try:
self.settings = reader.read(self.fileName)
except FileNotFoundException:
self.settings.createDefaultSettings()
self.save()
def save(self):
'''
Settings are save\wrote in the configuration file
'''
writer = SettingsWriter()
writer.write(self.settings, self.fileName)
def getSettings(self):
'''
return settings of the configuration file
'''
return self.settings
def test_the_create_default_settings_should_set_default_value_for_output_type(self):
settings = Settings("")
settings.createDefaultSettings()
self.assertEqual(settings.DEFAULT_OUTPUT_TYPE, settings.getOutputType())
self.assertEqual(settings.DEFAULT_ALGORITHM_NAME, settings.getAlgorithmName())
self.assertEqual(settings.DEFAULT_LEVEL_NAME, settings.getDefaultLevel())
self.assertEqual(3, len(settings.getLevels()))
self.assertEqual(self.defaultLevel, settings.getLevels()[0])
def setUp(self):
self.level1 = Level("Level 1", 5, 10)
self.level2 = Level("Level 2", 11, 20)
self.level3 = Level("Level 3", 21, 30)
self.settings = Settings("")
self.settings.addLevel(self.level1)
self.settings.addLevel(self.level2)
self.settings.addLevel(self.level3)
self.defaultLevel = Level(self.settings.DEFAULT_LEVEL_NAME, self.settings.DEFAULT_MIN, self.settings.DEFAULT_MAX)
class TestSettings(unittest.TestCase):
def setUp(self):
self.level1 = Level("Level 1", 5, 10)
self.level2 = Level("Level 2", 11, 20)
self.level3 = Level("Level 3", 21, 30)
self.settings = Settings("")
self.settings.addLevel(self.level1)
self.settings.addLevel(self.level2)
self.settings.addLevel(self.level3)
self.defaultLevel = Level(self.settings.DEFAULT_LEVEL_NAME, self.settings.DEFAULT_MIN, self.settings.DEFAULT_MAX)
def tearDown(self):
pass
def test_getLevelNone(self):
level = self.settings.getLevel("Level 4")
self.assertEqual(None, level)
def test_getLevel(self):
level = self.settings.getLevel("Level 2")
self.assertEqual(self.level2, level)
def test_the_create_default_settings_should_set_default_value_for_output_type(self):
settings = Settings("")
settings.createDefaultSettings()
self.assertEqual(settings.DEFAULT_OUTPUT_TYPE, settings.getOutputType())
self.assertEqual(settings.DEFAULT_ALGORITHM_NAME, settings.getAlgorithmName())
self.assertEqual(settings.DEFAULT_LEVEL_NAME, settings.getDefaultLevel())
self.assertEqual(3, len(settings.getLevels()))
self.assertEqual(self.defaultLevel, settings.getLevels()[0])
def setUp(self):
self.fileName = "settings.xml"
self.outputType = "file"
self.algorithmName = "Peter Norving"
self.defaultLevel = "Level 2"
self.levels = [Level("Level 1", 5, 10), Level("Level 2", 11, 20), Level("Level 3", 21, 30)]
self.path = "c:\\test"
self.settings = Settings(self.fileName)
self.settings.setOutputType(self.outputType)
self.settings.setAlgorithmName(self.algorithmName)
self.settings.setPath(self.path)
self.settings.setDefaultLevel(self.defaultLevel)
for level in self.levels:
self.settings.addLevel(level)
def read(self, fileName):
settings = Settings(fileName)
try:
settingsdoc = minidom.parse(fileName)
settings.outputType = self.readAttributeConfiguration('outputtype', settings.DEFAULT_OUTPUT_TYPE, settingsdoc)
if(settings.outputType == "file"):
settings.path = self.readAttributeConfiguration('path', "", settingsdoc)
settings.algorithmName = self.readAttributeConfiguration('algorithmname', settings.DEFAULT_ALGORITHM_NAME, settingsdoc)
settings.defaultLevel = self.readAttributeConfiguration('defaultlevel', settings.DEFAULT_LEVEL_NAME, settingsdoc)
settings.levels = self.readlevels(settingsdoc, settings)
except FileNotFoundError:
raise FileNotFoundException(fileName)
except ExpatError:
raise InvalidXMLSettingsException(fileName)
return settings
class TestSettingsWriter(unittest.TestCase):
def setUp(self):
self.fileName = "settings.xml"
self.outputType = "file"
self.algorithmName = "Peter Norving"
self.defaultLevel = "Level 2"
self.levels = [Level("Level 1", 5, 10), Level("Level 2", 11, 20), Level("Level 3", 21, 30)]
self.path = "c:\\test"
self.settings = Settings(self.fileName)
self.settings.setOutputType(self.outputType)
self.settings.setAlgorithmName(self.algorithmName)
self.settings.setPath(self.path)
self.settings.setDefaultLevel(self.defaultLevel)
for level in self.levels:
self.settings.addLevel(level)
def tearDown(self):
pass
def readFile(self, fileName):
file = open(self.fileName)
result = ""
line = file.readline()
while line != "":
result = result + line
line = file.readline()
return result
def test_given_the_ouputtype_parameter_then_should_be_set_the_ouputtype_parameter_in_the_file_when_it_is_saved(self):
outputType = "console"
writer = SettingsWriter()
self.settings.setOutputType(outputType)
writer.write(self.settings, self.fileName)
actualValue = self.readFile(self.fileName)
excpectedValue = "<data><outputtype>console</outputtype><algorithmname>Peter Norving</algorithmname><defaultlevel>Level 2</defaultlevel><path>c:\\test</path><levels><level maxLevel=\"10\" minLevel=\"5\" name=\"Level 1\" /><level maxLevel=\"20\" minLevel=\"11\" name=\"Level 2\" /><level maxLevel=\"30\" minLevel=\"21\" name=\"Level 3\" /></levels></data>"
self.maxDiff = None
self.assertEqual(excpectedValue, actualValue)
def test_given_the_algorithmName_parameter_then_should_be_set_the_algorithmName_parameter_in_the_file_when_it_is_saved(self):
algorithmName = "Recursive"
writer = SettingsWriter()
self.settings.setAlgorithmName(algorithmName)
writer.write(self.settings, self.fileName)
actualValue = self.readFile(self.fileName)
excpectedValue = "<data><outputtype>file</outputtype><algorithmname>Recursive</algorithmname><defaultlevel>Level 2</defaultlevel><path>c:\\test</path><levels><level maxLevel=\"10\" minLevel=\"5\" name=\"Level 1\" /><level maxLevel=\"20\" minLevel=\"11\" name=\"Level 2\" /><level maxLevel=\"30\" minLevel=\"21\" name=\"Level 3\" /></levels></data>"
self.maxDiff = None
self.assertEqual(excpectedValue, actualValue)
def test_given_the_defaultLevel_parameter_then_should_be_set_the_defaultLevel_parameter_in_the_file_when_it_is_saved(self):
defaultLevel = "Level 1"
writer = SettingsWriter()
self.settings.setDefaultLevel(defaultLevel)
writer.write(self.settings, self.fileName)
actualValue = self.readFile(self.fileName)
excpectedValue = "<data><outputtype>file</outputtype><algorithmname>Peter Norving</algorithmname><defaultlevel>Level 1</defaultlevel><path>c:\\test</path><levels><level maxLevel=\"10\" minLevel=\"5\" name=\"Level 1\" /><level maxLevel=\"20\" minLevel=\"11\" name=\"Level 2\" /><level maxLevel=\"30\" minLevel=\"21\" name=\"Level 3\" /></levels></data>"
self.maxDiff = None
self.assertEqual(excpectedValue, actualValue)
def test_given_the_path_parameter_then_should_be_set_the_path_parameter_in_the_file_when_it_is_saved(self):
path = "h:\\test\\test2"
writer = SettingsWriter()
self.settings.setPath(path)
writer.write(self.settings, self.fileName)
actualValue = self.readFile(self.fileName)
excpectedValue = "<data><outputtype>file</outputtype><algorithmname>Peter Norving</algorithmname><defaultlevel>Level 2</defaultlevel><path>h:\\test\\test2</path><levels><level maxLevel=\"10\" minLevel=\"5\" name=\"Level 1\" /><level maxLevel=\"20\" minLevel=\"11\" name=\"Level 2\" /><level maxLevel=\"30\" minLevel=\"21\" name=\"Level 3\" /></levels></data>"
self.maxDiff = None
self.assertEqual(excpectedValue, actualValue)
def test_given_the_levels_parameter_then_should_be_added_the_levels_parameter_in_the_file_when_it_is_saved(self):
level = Level("Level 4", 7, 40)
self.settings.addLevel(level)
writer = SettingsWriter()
writer.write(self.settings, self.fileName)
actualValue = self.readFile(self.fileName)
excpectedValue = "<data><outputtype>file</outputtype><algorithmname>Peter Norving</algorithmname><defaultlevel>Level 2</defaultlevel><path>c:\\test</path><levels><level maxLevel=\"10\" minLevel=\"5\" name=\"Level 1\" /><level maxLevel=\"20\" minLevel=\"11\" name=\"Level 2\" /><level maxLevel=\"30\" minLevel=\"21\" name=\"Level 3\" /><level maxLevel=\"40\" minLevel=\"7\" name=\"Level 4\" /></levels></data>"
self.maxDiff = None
self.assertEqual(excpectedValue, actualValue)
def __init__(self, fileName):
"Initialize all the variables use to manage settings of the configuration file"
self.settings = Settings(fileName)
self.fileName = fileName