tests

gistfile1.py

""" Tests for rails.

Setup and start information in rails3-stack/run.py.
"""
from test import TestWebInstrumentation
from udplisten import get_events, get_trace

class TestRails(TestWebInstrumentation):

    def test_index(self):
        root = get_trace('http://localhost:3000/main/index', 5)
        events = root.all_events()

        self.assertEquals(len(events), 5)
        self.assertEquals(len(root.all_extents()), 2)

        self.assertTrue(self.some_have(lambda ev: 'Controller' in ev, events))
        self.assertTrue(self.some_have(lambda ev: 'Action' in ev, events))
        self.assertTrue(self.some_have(lambda ev: ev['Layer'] == 'rails', events))
        self.assertTrue(self.some_have(lambda ev: ev['Layer'] == 'render', events))
        self.assertTrue(self.none_have(lambda ev: ev['Label'] == 'error', events))

        self.assertTrue(root.has_key('Controller'))
        self.assertTrue(root.has_key('Action'))
        self.assertTrue(root.get('Layer') == 'rails')
        self.assertFalse(root.all_events(lambda ev: ev.get('Label') == 'error'))

    def test_breaks(self):
        root = get_trace('http://localhost:3000/main/breaks', 4)
        events = root.all_events()

        self.assertEquals(len(events), 4)
        self.assertEquals(len(root.all_extents()), 1)

        self.assertTrue(self.some_have(lambda ev: ev.get('Label') == 'error', events))

    def test_memcache(self):
        events = get_events('http://localhost:3000/main/memcache', 16)
        self.assertEquals(len(events), 16)
        self.assertTrue(self.some_have(lambda ev: ev['Layer'] == 'memcache', events))
        self.assertTrue(self.some_have(lambda ev: ev['Layer'] == 'rails', events))

    def test_mysql(self):
        root = get_trace('http://localhost:3000/main/mysql', 17)
        events = root.all_events()

        self.assertEquals(len(events), 17)
        self.assertTrue(self.some_have(lambda ev: ev['Layer'] == 'ActiveRecord', events))

    def test_net(self):
        root = get_trace('http://localhost:3000/main/net', 8)
        events = root.all_events()

        self.assertEquals(len(events), 8)

        self.assertTrue(self.some_have(lambda ev: ev['Layer'] == 'net-http', events))
        self.assertTrue(self.some_have(lambda ev: ev['Layer'] == 'rails', events))
        self.assertTrue(self.none_have(lambda ev: ev['Label'] == 'error', events))