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tools/subunit-sum

 

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#!/usr/bin/env python

 

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# Copyright (C) 2011 Canonical Ltd

 

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#

 

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# This program is free software; you can redistribute it and/or modify

 

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# it under the terms of the GNU General Public License as published by

 

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# the Free Software Foundation; either version 2 of the License, or

 

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# (at your option) any later version.

 

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#

 

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# This program is distributed in the hope that it will be useful,

 

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# but WITHOUT ANY WARRANTY; without even the implied warranty of

 

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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 

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# GNU General Public License for more details.

 

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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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"""Displays the sum of a counter found in a subunit stream.

 

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Each test have (or not) the counter as a named detail in the stream.

 

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"""

 

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import subunit

 

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import sys

 

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import testtools

 

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import unittest

 

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class TestSumCounter(testtools.TestResult):

 

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    def __init__(self, counter_names):

 

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        """Create a FilterResult object outputting to stream."""

 

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        testtools.TestResult.__init__(self)

 

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        self.counter_names = counter_names

 

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        self.totals = {}

 

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        self.longest = 0

 

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        for name in counter_names:

 

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            l = len(name)

 

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            if l > self.longest: self.longest = l

 

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            self.totals[name] = 0

 

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    def addSuccess(self, test, details):

 

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        for name in self.counter_names:

 

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            try:

 

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                counter_text = ''.join(details[name].iter_text())

 

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            except KeyError, e:

 

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                # this counter doesn't exist for the test

 

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                continue

 

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            self.totals[name] += int(counter_text)

 

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    def display_totals(self, stream):

 

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        for name in self.counter_names:

 

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            stream.write('%-*s: %s\n'

 

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                         % (self.longest, name, self.totals[name]))

 

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counter_names = sys.argv[1:]

 

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result = TestSumCounter(counter_names)

 

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test = subunit.ProtocolTestCase(sys.stdin)

 

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test.run(result)

 

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result.display_totals(sys.stdout)

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