Correct some bugs and add additional test cases
Fix describing election with only --ties prompt Return JS number from SHARandom
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@ -572,7 +572,7 @@ class BaseSTVCounter:
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result.append('--transferable-only')
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if self.options['exclusion'] != 'one_round':
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result.append('--exclusion ' + self.options['exclusion'])
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if len(self.options['ties']) == 0 and isinstance(self.options['ties'][0], pyRCV2.ties.TiesPrompt):
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if len(self.options['ties']) == 1 and isinstance(self.options['ties'][0], pyRCV2.ties.TiesPrompt):
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pass
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else:
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for t in self.options['ties']:
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@ -29,4 +29,6 @@ class SHARandom:
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# Discard this value to avoid bias
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return self.next(modulus)
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return val.mod(modulus)
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# Result is used to index arrays, etc. so result must be a JS number
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# TODO: Check for overflow
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return val.mod(modulus).toJSNumber()
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@ -16,13 +16,13 @@
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import pyRCV2.blt
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import pyRCV2.numbers
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import pyRCV2.method.gregory
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import pyRCV2.method.gregory, pyRCV2.method.meek
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from pyRCV2.model import CountCompleted
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import json
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from py_mini_racer import py_mini_racer
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def maketst(numbers, counter_cls, options):
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def maketst(numbers, counter_cls, options, options_description):
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def t_py():
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pyRCV2.numbers.set_numclass(getattr(pyRCV2.numbers, numbers))
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pyRCV2.numbers.set_dps(5)
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@ -31,9 +31,14 @@ def maketst(numbers, counter_cls, options):
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election = pyRCV2.blt.readBLT(f.read())
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counter = eval(counter_cls)(election, options)
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assert counter.describe_options() == options_description
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result = counter.reset()
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while not isinstance(result, CountCompleted):
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result = counter.step()
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# TODO: Do some sanity checks
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def t_js():
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ctx = py_mini_racer.MiniRacer()
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@ -48,18 +53,22 @@ def maketst(numbers, counter_cls, options):
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with open('html/bundle.js', 'r') as f:
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ctx.eval(f.read())
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ctx.eval('py.pyRCV2.numbers.set_numclass(py.pyRCV2.numbers.Fixed);')
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ctx.eval('py.pyRCV2.numbers.set_dps(5);')
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with open('tests/data/prsa1.blt', 'r') as f:
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election = f.read()
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ctx.eval('let electionData = {};'.format(json.dumps(election)))
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ctx.eval('let election = py.pyRCV2.blt.readBLT(electionData);')
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ctx.eval('let options = {};'.format(json.dumps(options)))
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ctx.eval('let counter = py.{}(election, options);'.format(counter_cls))
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assert ctx.eval('counter.describe_options()') == options_description
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ctx.eval('let result = counter.reset();')
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ctx.eval('while (!py.isinstance(result, py.pyRCV2.model.CountCompleted)) { result = counter.step(); }')
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return t_py, t_js
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test_prsa1_scottish_py, test_prsa1_scottish_js = maketst('Fixed', 'pyRCV2.method.gregory.WIGSTVCounter', {})
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test_prsa1_stvc_py, test_prsa1_stvc_js = maketst('Rational', 'pyRCV2.method.gregory.WIGSTVCounter', {'quota': 'droop_exact', 'quota_criterion': 'gt', 'prog_quota': True})
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test_prsa1_senate_py, test_prsa1_senate_js = maketst('Fixed', 'pyRCV2.method.gregory.UIGSTVCounter', {'surplus_order': 'order', 'exclusion': 'by_value'})
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test_prsa1_wright_py, test_prsa1_wright_js = maketst('Fixed', 'pyRCV2.method.gregory.WIGSTVCounter', {'exclusion': 'wright'})
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test_prsa1_scottish_py, test_prsa1_scottish_js = maketst('Fixed', 'pyRCV2.method.gregory.WIGSTVCounter', {'round_quota': 0}, '--round-quota 0')
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test_prsa1_senate_py, test_prsa1_senate_js = maketst('Fixed', 'pyRCV2.method.gregory.UIGSTVCounter', {'surplus_order': 'order', 'exclusion': 'by_value', 'round_quota': 3, 'round_votes': 3, 'round_tvs': 3, 'round_weights': 3}, '--method uig --round-quota 3 --round-votes 3 --round-tvs 3 --round-weights 3 --surplus-order order --exclusion by_value')
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test_prsa1_meek_py, test_prsa1_meek_js = maketst('Fixed', 'pyRCV2.method.meek.MeekSTVCounter', {'quota_criterion': 'gt', 'quota': 'droop_exact', 'quota_mode': 'progressive'}, '--method meek --quota droop_exact --quota-criterion gt --quota-mode progressive')
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test_prsa1_wright_py, test_prsa1_wright_js = maketst('Fixed', 'pyRCV2.method.gregory.WIGSTVCounter', {'exclusion': 'wright', 'round_quota': 0, 'bulk_exclude': True}, '--bulk-exclude --round-quota 0 --exclusion wright')
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43
tests/test_random.py
Normal file
43
tests/test_random.py
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@ -0,0 +1,43 @@
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# pyRCV2: Preferential vote counting
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# Copyright © 2020–2021 Lee Yingtong Li (RunasSudo)
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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 Affero General Public License as published by
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# the Free Software Foundation, either version 3 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 Affero General Public License for more details.
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#
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# You should have received a copy of the GNU Affero General Public License
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# along with this program. If not, see <https://www.gnu.org/licenses/>.
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from pyRCV2.random import SHARandom
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from py_mini_racer import py_mini_racer
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def test_sharandom_py():
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random = SHARandom('foobar')
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assert random.next(10) == 0
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assert random.next(42) == 30
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assert random.next(64) == 13
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def test_sharandom_js():
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ctx = py_mini_racer.MiniRacer()
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# Imports
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with open('html/vendor/BigInt_BigRat-a5f89e2.min.js', 'r') as f:
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ctx.eval(f.read())
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with open('html/vendor/big-6.0.0.min.js', 'r') as f:
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ctx.eval(f.read())
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with open('html/vendor/sjcl-1.0.8.min.js', 'r') as f:
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ctx.eval(f.read())
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with open('html/bundle.js', 'r') as f:
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ctx.eval(f.read())
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ctx.eval('let random = py.pyRCV2.random.SHARandom("foobar");')
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assert ctx.eval('random.py_next(10)') == 0
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assert ctx.eval('random.py_next(42)') == 30
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assert ctx.eval('random.py_next(64)') == 13
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