def test_configuration_parser(self):
"""Test loading configuration from a file."""
configuration_file_contents = """
# Main configuration part.
[main]
parts =
dev
staging
prod
# Environments and machines.
# Dev environment.
[dev]
parts = dev-machine
[dev-machine]
parts =
www
media
db
# Staging environment.
[staging]
parts =
staging-front
staging-db
[staging-front]
parts =
www
media
[staging-db]
parts = db
# Prod environment.
[prod]
parts =
prod-www
prod-media
prod-db
[prod-www]
parts = www
[prod-media]
parts = media
[prod-db]
parts = db
# Components.
[www]
parts =
nginx
django
[media]
parts =
nginx
[db]
parts = postgresql
# Recipes.
[nginx]
recipe = novapost.cookbot.recipes:Recipe
[django]
recipe = novapost.cookbot.recipes:Recipe
[postgresql]
recipe = novapost.cookbot.recipes:Recipe
"""
configuration_file = StringIO()
configuration_file.write(configuration_file_contents)
configuration_file.seek(0)
reader = ConfigParserReader(configuration_file)
reader.parse()
def test_execution_order(self):
"""Make sure that walk executes things in order."""
configuration_file_contents = """
# Main configuration part.
[main]
recipe = novapost.cookbot.tests:TrackerRecipe
requires = Part0
parts =
Part3
Part6
[Part0]
recipe = novapost.cookbot.tests:TrackerRecipe
[Part3]
recipe = novapost.cookbot.tests:TrackerRecipe
requires = Part1
[Part1]
recipe = novapost.cookbot.tests:TrackerRecipe
parts = Part2
[Part2]
recipe = novapost.cookbot.tests:TrackerRecipe
[Part6]
recipe = novapost.cookbot.tests:TrackerRecipe
requires =
Part4
Part5
parts =
Part7
Part8
[Part4]
recipe = novapost.cookbot.tests:TrackerRecipe
[Part5]
recipe = novapost.cookbot.tests:TrackerRecipe
[Part7]
recipe = novapost.cookbot.tests:TrackerRecipe
[Part8]
recipe = novapost.cookbot.tests:TrackerRecipe
"""
configuration_file = StringIO()
configuration_file.write(configuration_file_contents)
configuration_file.seek(0)
reader = ConfigParserReader(configuration_file)
recipe = reader.parse()
# Special 'install' command enters context after execution.
context = Context()
context['traversed_recipes'] = []
context['testing'] = []
recipe.execute(context, 'install')
expected_context = ['InstallPart0',
'EnterPart0',
'Installmain',
'Entermain',
'InstallPart1',
'EnterPart1',
'InstallPart2',
'EnterPart2',
'InstallPart3',
'EnterPart3',
'ExitPart3',
'ExitPart2',
'ExitPart1',
'InstallPart4',
'EnterPart4',
'InstallPart5',
'EnterPart5',
'InstallPart6',
'EnterPart6',
'InstallPart7',
'EnterPart7',
'ExitPart7',
'InstallPart8',
'EnterPart8',
'ExitPart8',
'ExitPart6',
'ExitPart5',
'ExitPart4',
'Exitmain',
'ExitPart0',
]
self.assertEqual(recipe.context['testing'], expected_context)
# Non 'install' commands enter context before execution.
context = Context()
context['traversed_recipes'] = []
context['testing'] = []
recipe.execute(context, 'update')
expected_context = ['EnterPart0',
'UpdatePart0',
'Entermain',
'Updatemain',
'EnterPart1',
'UpdatePart1',
'EnterPart2',
'UpdatePart2',
'EnterPart3',
'UpdatePart3',
'ExitPart3',
'ExitPart2',
'ExitPart1',
'EnterPart4',
'UpdatePart4',
'EnterPart5',
'UpdatePart5',
'EnterPart6',
'UpdatePart6',
'EnterPart7',
'UpdatePart7',
'ExitPart7',
'EnterPart8',
'UpdatePart8',
'ExitPart8',
'ExitPart6',
'ExitPart5',
'ExitPart4',
'Exitmain',
'ExitPart0',
]
self.assertEqual(recipe.context['testing'], expected_context)
