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[tor-commits] [ooni-probe/master] Write some unittests for NetTest class



commit ac129c6be76d35f6fa4c1ef6ac3d361dd69e1459
Author: aagbsn <aagbsn@xxxxxxxxxxxxxx>
Date:   Sat Jan 12 18:23:50 2013 +0100

    Write some unittests for NetTest class
---
 tests/test_manager.py |  102 +++++++++++++++++++++++++++++++++----------------
 1 files changed, 69 insertions(+), 33 deletions(-)

diff --git a/tests/test_manager.py b/tests/test_manager.py
index f5ac052..323aa1f 100644
--- a/tests/test_manager.py
+++ b/tests/test_manager.py
@@ -1,12 +1,13 @@
+from ooni.measurements import Measurement, NetTest
+from ooni.managers import Director, MeasurementsManager
+from ooni.tasks import BaseTask, TaskWithTimeout
+from os import unlink
 from StringIO import StringIO
+from tempfile import TemporaryFile, mkstemp
 from twisted.trial import unittest
+from twisted.internet import defer, reactor
 
-from ooni.manager import Measurement, Measurements
-from ooni.manager import NetTest, OManager
-from ooni.manager import BaseTask, TaskWithTimeout
-
-net_test_file = StringIO()
-net_test_file.write("""
+net_test_string = """
 from twisted.python import usage
 from ooni.nettest import NetTestCase
 
@@ -21,9 +22,9 @@ class DummyTestCase(NetTestCase):
 
     def test_b(self):
         self.report['foo'] = 'foo'
-""")
+"""
 
-dummyInputs = range(10)
+dummyInputs = range(1)
 dummyOptions = {'spam': 'notham'}
 
 #dummyNetTest = NetTest(net_test_file, inputs, options)
@@ -34,7 +35,7 @@ class DummyMeasurement(BaseTask):
         f.write('testing')
         f.close()
 
-        return defer.succeed()
+        return defer.succeed(self)
 
 class DummyMeasurementFailOnce(BaseTask):
     def run(self):
@@ -47,13 +48,22 @@ class DummyMeasurementFailOnce(BaseTask):
             return defer.fail()
 
 class DummyNetTest(NetTest):
+    def __init__(self, num_measurements=1):
+        NetTest.__init__(self, StringIO(net_test_string), dummyInputs, dummyOptions)
+        self.num_measurements = num_measurements
     def generateMeasurements(self):
-        for i in range(10):
-            yield DummyTask()
+        for i in range(self.num_measurements):
+            yield DummyMeasurement()
+
+class DummyDirector(object):
+    def __init__(self):
+        pass
 
-class DummyManager(object):
+class DummyReporter(object):
     def __init__(self):
         pass
+    def write(self, result):
+        pass
 
 class TestNetTest(unittest.TestCase):
     def test_load_net_test_from_file(self):
@@ -61,32 +71,62 @@ class TestNetTest(unittest.TestCase):
         Given a file like object verify that the net test cases are properly
         generated.
         """
-        net_test = NetTest(net_test_file, dummyInputs, dummyOptions)
-        self.assertEqual([(DummyTestCase, 'test_a'), (DummyTestCase,
-            'test_b')], net_test.test_cases)
+        __, net_test_file = mkstemp()
+        with open(net_test_file, 'w') as f:
+            f.write(net_test_string)
+        f.close()
+
+        net_test_from_string = NetTest(StringIO(net_test_string),
+                dummyInputs, dummyOptions, DummyReporter())
+        net_test_from_file = NetTest(net_test_file, dummyInputs,
+                dummyOptions, DummyReporter())
+
+        # XXX: the returned classes are not the same because the
+        # module path is not correct, so the test below fails.
+        # TODO: figure out how to verify that the instantiated
+        # classes are done so properly.
 
-    def test_net_test_timeout(self):
-        """Instantiate a test and verify that the timeout works properly when we call it."""
-        net_test = NetTest(net_test_file, dummyInputs, dummyOptions)
-        # Where net_test_file is a test that will take longer than 
+        #self.assertEqual(net_test_from_string.test_cases,
+        #        net_test_from_file.test_cases)
+        unlink(net_test_file)
 
-class TestMeasurementsTracker(unittest.TestCase):
+class TestMeasurementsManager(unittest.TestCase):
     def setUp(self):
-        self.mock_mt = MeasurementsTracker(DummyManager())
-        self.mock_mt.netTests = [DummyNetTest()]
-        self.mock_mt.start()
+        self.mock_mm = MeasurementsManager()
+        self.mock_mm.director = DummyDirector()
 
     def test_schedule_measurement(self):
         # testing schedule()
         # run a single measurement
         measurement = DummyMeasurement()
-        self.mock_mt.schedule(measurement)
+        self.mock_mm.concurrency = 1
+        self.mock_mm.start()
+        self.mock_mm.schedule(measurement)
+        d = self.mock_mm.run(measurement)
+        def f(x):
+            self.assertEqual(self.mock_mm.completedMeasurements, 1)
+        d.addCallback(f)
+        return d
 
     def test_all_slots_full(self):
         """
         Test case where active_measurements is full
         """
-        pass
+        self.mock_mm.concurrency = 1
+        self.mock_mm.start()
+
+        dl = []
+        for x in xrange(2):
+            measurement = DummyMeasurement()
+            dl.append(self.mock_mm.schedule(measurement))
+
+        def f(z): print self.mock_mm.completedMeasurements
+
+        assert dl is not None
+        d = defer.DeferredList(dl)
+        assert d is not None
+        d.addCallback(f)
+        return d
 
     def test_populate_active_measurements(self):
         """
@@ -98,7 +138,7 @@ class TestMeasurementsTracker(unittest.TestCase):
         """docstring for test_fail_and_reschedule"""
         pass
 
-    def test_fail_timeout_and_reschedule():
+    def test_fail_timeout_and_reschedule(self):
         pass
 
     def test_all_completed(self):
@@ -107,17 +147,15 @@ class TestMeasurementsTracker(unittest.TestCase):
         """
         pass
 
-    def test_measurements_exhausted():
+    def test_measurements_exhausted(self):
         """
         inputs consumed, but still have running measurements
         """
         pass
 
-
-
-class TestManager(unittest.TestCase):
+class TestDirector(unittest.TestCase):
     def setUp(self):
-        self.manager = OManager
+        self.director = Director()
 
     def test_successful_measurement(self):
         pass
@@ -127,5 +165,3 @@ class TestManager(unittest.TestCase):
 
     def test_retry_twice_measurement(self):
         pass
-
-



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