mirror of
https://github.com/ceph/s3-tests.git
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27d2e40b7d
This way, its unit tests are separate from s3tests/functional, and s3tests/functional is the thing that actually talks to an S3 implementation over the wire. To actually run the fuzzer, use ./virtualenv/bin/s3tests-fuzz-headers
390 lines
10 KiB
Python
390 lines
10 KiB
Python
import sys
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import itertools
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import nose
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import random
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import string
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import yaml
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from ..headers import *
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from nose.tools import eq_ as eq
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from nose.tools import assert_true
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from nose.plugins.attrib import attr
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from ...functional.utils import assert_raises
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_decision_graph = {}
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def check_access_denied(fn, *args, **kwargs):
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e = assert_raises(boto.exception.S3ResponseError, fn, *args, **kwargs)
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eq(e.status, 403)
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eq(e.reason, 'Forbidden')
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eq(e.error_code, 'AccessDenied')
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def build_graph():
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graph = {}
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graph['start'] = {
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'set': {},
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'choices': ['node2']
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}
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graph['leaf'] = {
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'set': {
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'key1': 'value1',
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'key2': 'value2'
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},
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'headers': [
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['1-2', 'random-header-{random 5-10 printable}', '{random 20-30 punctuation}']
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],
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'choices': []
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}
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graph['node1'] = {
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'set': {
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'key3': 'value3',
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'header_val': [
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'3 h1',
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'2 h2',
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'h3'
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]
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},
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'headers': [
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['1-1', 'my-header', '{header_val}'],
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],
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'choices': ['leaf']
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}
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graph['node2'] = {
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'set': {
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'randkey': 'value-{random 10-15 printable}',
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'path': '/{bucket_readable}',
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'indirect_key1': '{key1}'
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},
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'choices': ['leaf']
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}
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graph['bad_node'] = {
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'set': {
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'key1': 'value1'
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},
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'choices': ['leaf']
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}
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graph['nonexistant_child_node'] = {
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'set': {},
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'choices': ['leafy_greens']
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}
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graph['weighted_node'] = {
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'set': {
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'k1': [
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'foo',
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'2 bar',
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'1 baz'
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]
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},
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'choices': [
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'foo',
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'2 bar',
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'1 baz'
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]
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}
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graph['null_choice_node'] = {
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'set': {},
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'choices': [None]
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}
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graph['repeated_headers_node'] = {
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'set': {},
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'headers': [
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['1-2', 'random-header-{random 5-10 printable}', '{random 20-30 punctuation}']
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],
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'choices': ['leaf']
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}
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graph['weighted_null_choice_node'] = {
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'set': {},
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'choices': ['3 null']
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}
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return graph
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#def test_foo():
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#graph_file = open('request_decision_graph.yml', 'r')
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#graph = yaml.safe_load(graph_file)
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#eq(graph['bucket_put_simple']['set']['grantee'], 0)
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def test_load_graph():
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graph_file = open('request_decision_graph.yml', 'r')
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graph = yaml.safe_load(graph_file)
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graph['start']
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def test_descend_leaf_node():
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graph = build_graph()
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prng = random.Random(1)
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decision = descend_graph(graph, 'leaf', prng)
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eq(decision['key1'], 'value1')
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eq(decision['key2'], 'value2')
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e = assert_raises(KeyError, lambda x: decision[x], 'key3')
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def test_descend_node():
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graph = build_graph()
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prng = random.Random(1)
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decision = descend_graph(graph, 'node1', prng)
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eq(decision['key1'], 'value1')
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eq(decision['key2'], 'value2')
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eq(decision['key3'], 'value3')
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def test_descend_bad_node():
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graph = build_graph()
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prng = random.Random(1)
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assert_raises(DecisionGraphError, descend_graph, graph, 'bad_node', prng)
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def test_descend_nonexistant_child():
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graph = build_graph()
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prng = random.Random(1)
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assert_raises(KeyError, descend_graph, graph, 'nonexistant_child_node', prng)
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def test_expand_random_printable():
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prng = random.Random(1)
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got = expand({}, '{random 10-15 printable}', prng)
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eq(got, '[/pNI$;92@')
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def test_expand_random_binary():
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prng = random.Random(1)
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got = expand({}, '{random 10-15 binary}', prng)
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eq(got, '\xdfj\xf1\xd80>a\xcd\xc4\xbb')
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def test_expand_random_printable_no_whitespace():
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prng = random.Random(1)
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for _ in xrange(1000):
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got = expand({}, '{random 500 printable_no_whitespace}', prng)
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assert_true(reduce(lambda x, y: x and y, [x not in string.whitespace and x in string.printable for x in got]))
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def test_expand_random_binary():
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prng = random.Random(1)
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for _ in xrange(1000):
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got = expand({}, '{random 500 binary_no_whitespace}', prng)
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assert_true(reduce(lambda x, y: x and y, [x not in string.whitespace for x in got]))
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def test_expand_random_no_args():
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prng = random.Random(1)
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for _ in xrange(1000):
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got = expand({}, '{random}', prng)
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assert_true(0 <= len(got) <= 1000)
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assert_true(reduce(lambda x, y: x and y, [x in string.printable for x in got]))
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def test_expand_random_no_charset():
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prng = random.Random(1)
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for _ in xrange(1000):
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got = expand({}, '{random 10-30}', prng)
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assert_true(10 <= len(got) <= 30)
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assert_true(reduce(lambda x, y: x and y, [x in string.printable for x in got]))
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def test_expand_random_exact_length():
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prng = random.Random(1)
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for _ in xrange(1000):
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got = expand({}, '{random 10 digits}', prng)
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assert_true(len(got) == 10)
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assert_true(reduce(lambda x, y: x and y, [x in string.digits for x in got]))
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def test_expand_random_bad_charset():
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prng = random.Random(1)
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assert_raises(KeyError, expand, {}, '{random 10-30 foo}', prng)
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def test_expand_random_missing_length():
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prng = random.Random(1)
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assert_raises(ValueError, expand, {}, '{random printable}', prng)
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def test_assemble_decision():
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graph = build_graph()
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prng = random.Random(1)
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decision = assemble_decision(graph, prng)
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eq(decision['key1'], 'value1')
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eq(decision['key2'], 'value2')
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eq(decision['randkey'], 'value-{random 10-15 printable}')
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eq(decision['indirect_key1'], '{key1}')
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eq(decision['path'], '/{bucket_readable}')
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assert_raises(KeyError, lambda x: decision[x], 'key3')
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def test_expand_escape():
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prng = random.Random(1)
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decision = dict(
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foo='{{bar}}',
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)
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got = expand(decision, '{foo}', prng)
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eq(got, '{bar}')
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def test_expand_indirect():
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prng = random.Random(1)
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decision = dict(
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foo='{bar}',
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bar='quux',
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)
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got = expand(decision, '{foo}', prng)
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eq(got, 'quux')
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def test_expand_indirect_double():
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prng = random.Random(1)
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decision = dict(
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foo='{bar}',
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bar='{quux}',
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quux='thud',
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)
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got = expand(decision, '{foo}', prng)
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eq(got, 'thud')
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def test_expand_recursive():
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prng = random.Random(1)
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decision = dict(
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foo='{foo}',
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)
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e = assert_raises(RecursionError, expand, decision, '{foo}', prng)
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eq(str(e), "Runaway recursion in string formatting: 'foo'")
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def test_expand_recursive_mutual():
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prng = random.Random(1)
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decision = dict(
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foo='{bar}',
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bar='{foo}',
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)
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e = assert_raises(RecursionError, expand, decision, '{foo}', prng)
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eq(str(e), "Runaway recursion in string formatting: 'foo'")
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def test_expand_recursive_not_too_eager():
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prng = random.Random(1)
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decision = dict(
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foo='bar',
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)
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got = expand(decision, 100*'{foo}', prng)
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eq(got, 100*'bar')
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def test_make_choice_unweighted_with_space():
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prng = random.Random(1)
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choice = make_choice(['foo bar'], prng)
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eq(choice, 'foo bar')
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def test_weighted_choices():
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graph = build_graph()
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prng = random.Random(1)
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choices_made = {}
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for _ in xrange(1000):
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choice = make_choice(graph['weighted_node']['choices'], prng)
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if choices_made.has_key(choice):
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choices_made[choice] += 1
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else:
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choices_made[choice] = 1
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foo_percentage = choices_made['foo'] / 1000.0
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bar_percentage = choices_made['bar'] / 1000.0
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baz_percentage = choices_made['baz'] / 1000.0
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nose.tools.assert_almost_equal(foo_percentage, 0.25, 1)
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nose.tools.assert_almost_equal(bar_percentage, 0.50, 1)
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nose.tools.assert_almost_equal(baz_percentage, 0.25, 1)
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def test_null_choices():
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graph = build_graph()
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prng = random.Random(1)
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choice = make_choice(graph['null_choice_node']['choices'], prng)
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eq(choice, '')
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def test_weighted_null_choices():
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graph = build_graph()
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prng = random.Random(1)
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choice = make_choice(graph['weighted_null_choice_node']['choices'], prng)
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eq(choice, '')
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def test_null_child():
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graph = build_graph()
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prng = random.Random(1)
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decision = descend_graph(graph, 'null_choice_node', prng)
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eq(decision, {})
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def test_weighted_set():
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graph = build_graph()
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prng = random.Random(1)
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choices_made = {}
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for _ in xrange(1000):
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choice = make_choice(graph['weighted_node']['set']['k1'], prng)
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if choices_made.has_key(choice):
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choices_made[choice] += 1
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else:
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choices_made[choice] = 1
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foo_percentage = choices_made['foo'] / 1000.0
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bar_percentage = choices_made['bar'] / 1000.0
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baz_percentage = choices_made['baz'] / 1000.0
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nose.tools.assert_almost_equal(foo_percentage, 0.25, 1)
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nose.tools.assert_almost_equal(bar_percentage, 0.50, 1)
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nose.tools.assert_almost_equal(baz_percentage, 0.25, 1)
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def test_header_presence():
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graph = build_graph()
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prng = random.Random(1)
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decision = descend_graph(graph, 'node1', prng)
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c1 = itertools.count()
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c2 = itertools.count()
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for header, value in decision['headers']:
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if header == 'my-header':
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eq(value, '{header_val}')
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assert_true(next(c1) < 1)
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elif header == 'random-header-{random 5-10 printable}':
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eq(value, '{random 20-30 punctuation}')
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assert_true(next(c2) < 2)
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else:
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raise KeyError('unexpected header found: %s' % header)
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assert_true(next(c1))
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assert_true(next(c2))
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def test_duplicate_header():
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graph = build_graph()
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prng = random.Random(1)
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assert_raises(DecisionGraphError, descend_graph, graph, 'repeated_headers_node', prng)
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def test_expand_headers():
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graph = build_graph()
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prng = random.Random(1)
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decision = descend_graph(graph, 'node1', prng)
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expanded_headers = expand_headers(decision, prng)
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for header, value in expanded_headers.iteritems():
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if header == 'my-header':
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assert_true(value in ['h1', 'h2', 'h3'])
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elif header.startswith('random-header-'):
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assert_true(20 <= len(value) <= 30)
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assert_true(string.strip(value, RepeatExpandingFormatter.charsets['punctuation']) is '')
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else:
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raise DecisionGraphError('unexpected header found: "%s"' % header)
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