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A nose plugin to facilitate the creation of automated tests that access Mongo Engine structures.

Project Description

Originally based on Mongo Nose ( http://pypi.python.org/pypi/mongonose/ ). Thanks to: Kapil Thangavelu

Installation

Using pip:

pip install nose-mongoengine

Configuration

The plugin extends the nose options with a few options. The only required options are either --mongoengine or --mongoengine-mongodb-bin to enable the plugin.

  • --mongoengine is required to enable the plugin.
  • --mongoengine-mongodb-bin Allows specifying the path to the mongod binary. If not specified the plugin will search the path for a mongodb binary. If one is not found, an error will be raised.
  • --mongoengine-clear-after-module Optionally clear data in db after every module of tests.
  • --mongoengine-clear-after-class Optionally clear data in db after every class of tests.
  • --mongoengine-mongodb-port can be optionally set, by default the plugin will utilize a a random open port on the machine.
  • --mongoengine-mongodb-scripting Enables the javascript scripting engine, off by default.
  • --mongoengine-mongodb-logpath Stores the server log at the given path, by default sent to /dev/null
  • --mongoengine-mongodb-prealloc Enables pre-allocation of databases, default is off. Modern filesystems will sparsely allocate, which can speed up test execution.

The plugin will up a instance of Mongo Db and create a empty database to use it.

Usage in your test cases

Since this is your model using mongoengine ( model_one.py ):

# encoding:utf-8 #
from mongoengine import *

class ModelOne(Document):
    int_value1 = IntField()
    int_value2 = IntField()
    boolean_value = BooleanField(required=True, default=False)

    @classmethod
    def get_model_one_by_value1(cls, v):
        return ModelOne.objects(int_value1=v)

    @classmethod
    def get_model_one_by_boolean_value(cls, v):
        return ModelOne.objects(boolean_value=v)

This is an example using the test nose + nose-mongoengine ( test_model_one.py ):

# encoding:utf-8 #
from model_one import ModelOne
from nose.tools import assert_equals

class TestModelOne(object):

    # This method run on instance of class
    @classmethod
    def setUpClass(cls):

        global o1_id, o2_id

        # Create two objects for test
        o1 = ModelOne()
        o1.int_value1 = 500
        o1.int_value2 = 123
        o1.boolean_value = True
        o1.save()

        o2 = ModelOne()
        o2.int_value1 = 500
        o2.int_value2 = 900
        o2.boolean_value = False
        o2.save()

        # Save the id of objects to match in the test
        o1_id = o1.id
        o2_id = o2.id

    # This method run on every test
    def setUp(self):
        global o1_id, o2_id
        self.o1_id = o1_id
        self.o2_id = o2_id

    def test_match_with_value1(self):
        find = ModelOne.get_model_one_by_value1(500)
        assert_equals(len(find), 2)
        assert_equals(find[0].id, self.o1_id)
        assert_equals(find[1].id, self.o2_id)

    def test_match_with_boolean_value(self):
        find = ModelOne.get_model_one_by_boolean_value(True)
        assert_equals(len(find), 1)
        assert_equals(find[0].id, self.o1_id)

Run in the command line:

$ nosetests --mongoengine test_model_one.py
..
----------------------------------------------------------------------
Ran 2 tests in 0.054s

OK
Release History

Release History

This version
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0.2.2

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0.2.1

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0.2.0

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