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Viewing changes to bzrlib/tests/test_lsprof.py

  • Committer: Martin Pool
  • Date: 2007-06-26 10:15:29 UTC
  • mto: This revision was merged to the branch mainline in revision 2555.
  • Revision ID: mbp@sourcefrog.net-20070626101529-omfq0howuazwtr3s
Remove BzrTestBase alias (little used)

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bzrlib/tests/test_lsprof.py
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
 
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
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"""Tests for profiling data collection."""
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from bzrlib import tests
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class _LSProfFeature(tests.Feature):
 
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class LSProf(tests.Feature):
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    def available(self):
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        try:
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            return True
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LSProfFeature = _LSProfFeature()
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_TXT_HEADER = "   CallCount    Recursive    Total(ms)   " + \
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    "Inline(ms) module:lineno(function)\n"
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class TestStatsSave(tests.TestCaseInTempDir):
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    _test_needs_features = [LSProfFeature]
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    def setUp(self):
 
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        self.requireFeature(LSProf())
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        super(tests.TestCaseInTempDir, self).setUp()
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        self.stats = _collect_stats()
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    def _tempfile(self, ext):
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        dir = self.test_dir
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        return bzrlib.osutils.pathjoin(dir, "tmp_profile_data." + ext)
 
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        return os.path.join(dir, "tmp_profile_data." + ext)
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    def test_stats_save_to_txt(self):
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        f = self._tempfile("txt")
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        self.stats.save(f)
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        lines = open(f).readlines()
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        self.assertEqual(lines[0], "events: Ticks\n")
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        f = bzrlib.osutils.pathjoin(self.test_dir, "callgrind.out.foo")
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        self.stats.save(f)
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        lines = open(f).readlines()
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        self.assertEqual(lines[0], "events: Ticks\n")
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        # Test explicit format nommination
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        f2 = self._tempfile("txt")
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        self.stats.save(f2, format="callgrind")
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        self.stats.save(f)
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        data1 = cPickle.load(open(f))
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        self.assertEqual(type(data1), bzrlib.lsprof.Stats)
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class TestBzrProfiler(tests.TestCase):
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    _test_needs_features = [LSProfFeature]
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    def test_start_call_stuff_stop(self):
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        profiler = bzrlib.lsprof.BzrProfiler()
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        profiler.start()
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        try:
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            def a_function():
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                pass
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            a_function()
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        finally:
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            stats = profiler.stop()
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        stats.freeze()
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        lines = [str(data) for data in stats.data]
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        lines = [line for line in lines if 'a_function' in line]
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        self.assertLength(1, lines)