Benchmark inclusion and exclusion filter classes

Don't run benchmarks in CI as they give very different results for
different runs, even with `--benchmark-timer=time.process_time`.

.travis.yml

@@ -5,7 +5,8 @@ install:
   - pip install PyYAML
   - pip install flexmock
   - pip install pytest-cov coveralls
-script: py.test -vv tests --cov journal_brief
+  - pip install -r tests/requirements.txt
+script: py.test -vv tests --cov journal_brief --benchmark-skip
 sudo: false
 notifications:
   email: false

tests/requirements.txt

@@ -0,0 +1 @@
+pytest-benchmark

tests/test_filter.py

@@ -30,6 +30,44 @@
 logging.basicConfig(level=logging.DEBUG)
 
 
+class TestFilterProfile(object):
+    def test_inclusion(self, benchmark):
+        matches = ['never matched {0}'.format(n) for n in range(100)]
+        rule = {'MESSAGE': matches}
+        for x in range(100):
+            rule['FIELD{0}'.format(x)] = 'never matched'
+
+        inclusion = Inclusion(rule)
+
+        entry = {
+            'MESSAGE': 'message',
+            '__CURSOR': '1',
+        }
+
+        for x in range(100):
+            entry['FIELD{0}'.format(x)] = x
+
+        assert not benchmark(inclusion.matches, entry)
+
+    def test_exclusion(self, benchmark):
+        matches = ['never matched {0}'.format(n) for n in range(100)]
+        rule = {'MESSAGE': matches}
+        for x in range(100):
+            rule['FIELD{0}'.format(x)] = '/never matched/'
+
+        exclusion = Exclusion(rule)
+
+        entry = {
+            'MESSAGE': 'message',
+            '__CURSOR': '1',
+        }
+
+        for x in range(100):
+            entry['FIELD{0}'.format(x)] = x
+
+        assert not benchmark(exclusion.matches, entry)
+
+
 class TestInclusion(object):
     def test_and(self):
         inclusion = Inclusion({'MESSAGE': ['include this'],