File replace-nose.patch of Package failed_python-parsimonious
--- a/parsimonious/tests/test_benchmarks.py
+++ b/parsimonious/tests/test_benchmarks.py
@@ -1,46 +1,44 @@
"""Tests to show that the benchmarks we based our speed optimizations on are
still valid"""
+import unittest
from functools import partial
from timeit import timeit
-from nose.tools import ok_
-
-
timeit = partial(timeit, number=500000)
-
-def test_lists_vs_dicts():
- """See what's faster at int key lookup: dicts or lists."""
- list_time = timeit('item = l[9000]', 'l = [0] * 10000')
- dict_time = timeit('item = d[9000]', 'd = {x: 0 for x in range(10000)}')
-
- # Dicts take about 1.6x as long as lists in Python 2.6 and 2.7.
- ok_(list_time < dict_time, '%s < %s' % (list_time, dict_time))
-
-
-def test_call_vs_inline():
- """How bad is the calling penalty?"""
- no_call = timeit('l[0] += 1', 'l = [0]')
- call = timeit('add(); l[0] += 1', 'l = [0]\n'
- 'def add():\n'
- ' pass')
-
- # Calling a function is pretty fast; it takes just 1.2x as long as the
- # global var access and addition in l[0] += 1.
- ok_(no_call < call, '%s (no call) < %s (call)' % (no_call, call))
-
-
-def test_startswith_vs_regex():
- """Can I beat the speed of regexes by special-casing literals?"""
- re_time = timeit(
- 'r.match(t, 19)',
- 'import re\n'
- "r = re.compile('hello')\n"
- "t = 'this is the finest hello ever'")
- startswith_time = timeit("t.startswith('hello', 19)",
- "t = 'this is the finest hello ever'")
-
- # Regexes take 2.24x as long as simple string matching.
- ok_(startswith_time < re_time,
- '%s (startswith) < %s (re)' % (startswith_time, re_time))
+class TestBenchmarks(unittest.TestCase):
+ def test_lists_vs_dicts(self):
+ """See what's faster at int key lookup: dicts or lists."""
+ list_time = timeit('item = l[9000]', 'l = [0] * 10000')
+ dict_time = timeit('item = d[9000]', 'd = {x: 0 for x in range(10000)}')
+
+ # Dicts take about 1.6x as long as lists in Python 2.6 and 2.7.
+ self.assertTrue(list_time < dict_time, '%s < %s' % (list_time, dict_time))
+
+
+ def test_call_vs_inline(self):
+ """How bad is the calling penalty?"""
+ no_call = timeit('l[0] += 1', 'l = [0]')
+ call = timeit('add(); l[0] += 1', 'l = [0]\n'
+ 'def add():\n'
+ ' pass')
+
+ # Calling a function is pretty fast; it takes just 1.2x as long as the
+ # global var access and addition in l[0] += 1.
+ self.assertTrue(no_call < call, '%s (no call) < %s (call)' % (no_call, call))
+
+
+ def test_startswith_vs_regex(self):
+ """Can I beat the speed of regexes by special-casing literals?"""
+ re_time = timeit(
+ 'r.match(t, 19)',
+ 'import re\n'
+ "r = re.compile('hello')\n"
+ "t = 'this is the finest hello ever'")
+ startswith_time = timeit("t.startswith('hello', 19)",
+ "t = 'this is the finest hello ever'")
+
+ # Regexes take 2.24x as long as simple string matching.
+ self.assertTrue(startswith_time < re_time,
+ '%s (startswith) < %s (re)' % (startswith_time, re_time))
--- a/parsimonious/tests/test_expressions.py
+++ b/parsimonious/tests/test_expressions.py
@@ -1,7 +1,6 @@
#coding=utf-8
from unittest import TestCase
-from nose.tools import eq_, ok_, assert_raises
from six import text_type
from parsimonious.exceptions import ParseError, IncompleteParseError
@@ -11,17 +10,6 @@ from parsimonious.grammar import Grammar
from parsimonious.nodes import Node
-def len_eq(node, length):
- """Return whether the match lengths of 2 nodes are equal.
-
- Makes tests shorter and lets them omit positional stuff they don't care
- about.
-
- """
- node_length = None if node is None else node.end - node.start
- return node_length == length
-
-
class LengthTests(TestCase):
"""Tests for returning the right lengths
@@ -29,47 +17,58 @@ class LengthTests(TestCase):
partially redundant with TreeTests.
"""
+ def len_eq(self, node, length):
+ """Return whether the match lengths of 2 nodes are equal.
+
+ Makes tests shorter and lets them omit positional stuff they don't care
+ about.
+
+ """
+ node_length = None if node is None else node.end - node.start
+ self.assertTrue(node_length == length)
+
+
def test_regex(self):
- len_eq(Literal('hello').match('ehello', 1), 5) # simple
- len_eq(Regex('hello*').match('hellooo'), 7) # *
- assert_raises(ParseError, Regex('hello*').match, 'goodbye') # no match
- len_eq(Regex('hello', ignore_case=True).match('HELLO'), 5)
+ self.len_eq(Literal('hello').match('ehello', 1), 5) # simple
+ self.len_eq(Regex('hello*').match('hellooo'), 7) # *
+ self.assertRaises(ParseError, Regex('hello*').match, 'goodbye') # no match
+ self.len_eq(Regex('hello', ignore_case=True).match('HELLO'), 5)
def test_sequence(self):
- len_eq(Sequence(Regex('hi*'), Literal('lo'), Regex('.ingo')).match('hiiiilobingo1234'),
+ self.len_eq(Sequence(Regex('hi*'), Literal('lo'), Regex('.ingo')).match('hiiiilobingo1234'),
12) # succeed
- assert_raises(ParseError, Sequence(Regex('hi*'), Literal('lo'), Regex('.ingo')).match, 'hiiiilobing') # don't
- len_eq(Sequence(Regex('hi*')).match('>hiiii', 1),
+ self.assertRaises(ParseError, Sequence(Regex('hi*'), Literal('lo'), Regex('.ingo')).match, 'hiiiilobing') # don't
+ self.len_eq(Sequence(Regex('hi*')).match('>hiiii', 1),
5) # non-0 pos
def test_one_of(self):
- len_eq(OneOf(Literal('aaa'), Literal('bb')).match('aaa'), 3) # first alternative
- len_eq(OneOf(Literal('aaa'), Literal('bb')).match('bbaaa'), 2) # second
- assert_raises(ParseError, OneOf(Literal('aaa'), Literal('bb')).match, 'aa') # no match
+ self.len_eq(OneOf(Literal('aaa'), Literal('bb')).match('aaa'), 3) # first alternative
+ self.len_eq(OneOf(Literal('aaa'), Literal('bb')).match('bbaaa'), 2) # second
+ self.assertRaises(ParseError, OneOf(Literal('aaa'), Literal('bb')).match, 'aa') # no match
def test_not(self):
- len_eq(Not(Regex('.')).match(''), 0) # match
- assert_raises(ParseError, Not(Regex('.')).match, 'Hi') # don't
+ self.len_eq(Not(Regex('.')).match(''), 0) # match
+ self.assertRaises(ParseError, Not(Regex('.')).match, 'Hi') # don't
def test_optional(self):
- len_eq(Sequence(Optional(Literal('a')), Literal('b')).match('b'), 1) # contained expr fails
- len_eq(Sequence(Optional(Literal('a')), Literal('b')).match('ab'), 2) # contained expr succeeds
+ self.len_eq(Sequence(Optional(Literal('a')), Literal('b')).match('b'), 1) # contained expr fails
+ self.len_eq(Sequence(Optional(Literal('a')), Literal('b')).match('ab'), 2) # contained expr succeeds
def test_zero_or_more(self):
- len_eq(ZeroOrMore(Literal('b')).match(''), 0) # zero
- len_eq(ZeroOrMore(Literal('b')).match('bbb'), 3) # more
+ self.len_eq(ZeroOrMore(Literal('b')).match(''), 0) # zero
+ self.len_eq(ZeroOrMore(Literal('b')).match('bbb'), 3) # more
- len_eq(Regex('^').match(''), 0) # Validate the next test.
+ self.len_eq(Regex('^').match(''), 0) # Validate the next test.
# Try to make it loop infinitely using a zero-length contained expression:
- len_eq(ZeroOrMore(Regex('^')).match(''), 0)
+ self.len_eq(ZeroOrMore(Regex('^')).match(''), 0)
def test_one_or_more(self):
- len_eq(OneOrMore(Literal('b')).match('b'), 1) # one
- len_eq(OneOrMore(Literal('b')).match('bbb'), 3) # more
- len_eq(OneOrMore(Literal('b'), min=3).match('bbb'), 3) # with custom min; success
- assert_raises(ParseError, OneOrMore(Literal('b'), min=3).match, 'bb') # with custom min; failure
- len_eq(OneOrMore(Regex('^')).match('bb'), 0) # attempt infinite loop
+ self.len_eq(OneOrMore(Literal('b')).match('b'), 1) # one
+ self.len_eq(OneOrMore(Literal('b')).match('bbb'), 3) # more
+ self.len_eq(OneOrMore(Literal('b'), min=3).match('bbb'), 3) # with custom min; success
+ self.assertRaises(ParseError, OneOrMore(Literal('b'), min=3).match, 'bb') # with custom min; failure
+ self.len_eq(OneOrMore(Regex('^')).match('bb'), 0) # attempt infinite loop
class TreeTests(TestCase):
@@ -82,14 +81,14 @@ class TreeTests(TestCase):
def test_simple_node(self):
"""Test that leaf expressions like ``Literal`` make the right nodes."""
h = Literal('hello', name='greeting')
- eq_(h.match('hello'), Node(h, 'hello', 0, 5))
+ self.assertEqual(h.match('hello'), Node(h, 'hello', 0, 5))
def test_sequence_nodes(self):
"""Assert that ``Sequence`` produces nodes with the right children."""
s = Sequence(Literal('heigh', name='greeting1'),
Literal('ho', name='greeting2'), name='dwarf')
text = 'heighho'
- eq_(s.match(text), Node(s, text, 0, 7, children=
+ self.assertEqual(s.match(text), Node(s, text, 0, 7, children=
[Node(s.members[0], text, 0, 5),
Node(s.members[1], text, 5, 7)]))
@@ -97,7 +96,7 @@ class TreeTests(TestCase):
"""``OneOf`` should return its own node, wrapping the child that succeeds."""
o = OneOf(Literal('a', name='lit'), name='one_of')
text = 'aa'
- eq_(o.match(text), Node(o, text, 0, 1, children=[
+ self.assertEqual(o.match(text), Node(o, text, 0, 1, children=[
Node(o.members[0], text, 0, 1)]))
def test_optional(self):
@@ -105,25 +104,25 @@ class TreeTests(TestCase):
expr = Optional(Literal('a', name='lit'), name='opt')
text = 'a'
- eq_(expr.match(text), Node(expr, text, 0, 1, children=[
+ self.assertEqual(expr.match(text), Node(expr, text, 0, 1, children=[
Node(expr.members[0], text, 0, 1)]))
# Test failure of the Literal inside the Optional; the
# LengthTests.test_optional is ambiguous for that.
text = ''
- eq_(expr.match(text), Node(expr, text, 0, 0))
+ self.assertEqual(expr.match(text), Node(expr, text, 0, 0))
def test_zero_or_more_zero(self):
"""Test the 0 case of ``ZeroOrMore``; it should still return a node."""
expr = ZeroOrMore(Literal('a'), name='zero')
text = ''
- eq_(expr.match(text), Node(expr, text, 0, 0))
+ self.assertEqual(expr.match(text), Node(expr, text, 0, 0))
def test_one_or_more_one(self):
"""Test the 1 case of ``OneOrMore``; it should return a node with a child."""
expr = OneOrMore(Literal('a', name='lit'), name='one')
text = 'a'
- eq_(expr.match(text), Node(expr, text, 0, 1, children=[
+ self.assertEqual(expr.match(text), Node(expr, text, 0, 1, children=[
Node(expr.members[0], text, 0, 1)]))
# Things added since Grammar got implemented are covered in integration
@@ -142,7 +141,7 @@ class ParseTests(TestCase):
"""
expr = OneOrMore(Literal('a', name='lit'), name='more')
text = 'aa'
- eq_(expr.parse(text), Node(expr, text, 0, 2, children=[
+ self.assertEqual(expr.parse(text), Node(expr, text, 0, 2, children=[
Node(expr.members[0], text, 0, 1),
Node(expr.members[0], text, 1, 2)]))
@@ -168,10 +167,10 @@ class ErrorReportingTests(TestCase):
try:
grammar.parse(text)
except ParseError as error:
- eq_(error.pos, 6)
- eq_(error.expr, grammar['close_parens'])
- eq_(error.text, text)
- eq_(text_type(error), "Rule 'close_parens' didn't match at '!!' (line 1, column 7).")
+ self.assertEqual(error.pos, 6)
+ self.assertEqual(error.expr, grammar['close_parens'])
+ self.assertEqual(error.text, text)
+ self.assertEqual(text_type(error), "Rule 'close_parens' didn't match at '!!' (line 1, column 7).")
def test_rewinding(self):
"""Make sure rewinding the stack and trying an alternative (which
@@ -195,9 +194,9 @@ class ErrorReportingTests(TestCase):
try:
grammar.parse(text)
except ParseError as error:
- eq_(error.pos, 8)
- eq_(error.expr, grammar['bork'])
- eq_(error.text, text)
+ self.assertEqual(error.pos, 8)
+ self.assertEqual(error.expr, grammar['bork'])
+ self.assertEqual(error.text, text)
def test_no_named_rule_succeeding(self):
"""Make sure ParseErrors have sane printable representations even if we
@@ -206,9 +205,9 @@ class ErrorReportingTests(TestCase):
try:
grammar.parse('snork')
except ParseError as error:
- eq_(error.pos, 0)
- eq_(error.expr, grammar['bork'])
- eq_(error.text, 'snork')
+ self.assertEqual(error.pos, 0)
+ self.assertEqual(error.expr, grammar['bork'])
+ self.assertEqual(error.text, 'snork')
def test_parse_with_leftovers(self):
"""Make sure ``parse()`` reports where we started failing to match,
@@ -217,7 +216,7 @@ class ErrorReportingTests(TestCase):
try:
grammar.parse('chitty bangbang')
except IncompleteParseError as error:
- eq_(text_type(error), u"Rule 'sequence' matched in its entirety, but it didn't consume all the text. The non-matching portion of the text begins with 'bang' (line 1, column 12).")
+ self.assertEqual(text_type(error), u"Rule 'sequence' matched in its entirety, but it didn't consume all the text. The non-matching portion of the text begins with 'bang' (line 1, column 12).")
def test_favoring_named_rules(self):
"""Named rules should be used in error messages in favor of anonymous
@@ -227,7 +226,7 @@ class ErrorReportingTests(TestCase):
try:
grammar.parse('burp')
except ParseError as error:
- eq_(text_type(error), u"Rule 'starts_with_a' didn't match at 'burp' (line 1, column 1).")
+ self.assertEqual(text_type(error), u"Rule 'starts_with_a' didn't match at 'burp' (line 1, column 1).")
def test_line_and_column(self):
"""Make sure we got the line and column computation right."""
@@ -241,7 +240,7 @@ class ErrorReportingTests(TestCase):
except ParseError as error:
# TODO: Right now, this says "Rule <Literal "\n" at 0x4368250432>
# didn't match". That's not the greatest. Fix that, then fix this.
- ok_(text_type(error).endswith(r"""didn't match at 'GOO' (line 2, column 4)."""))
+ self.assertTrue(text_type(error).endswith(r"""didn't match at 'GOO' (line 2, column 4)."""))
class RepresentationTests(TestCase):
@@ -267,19 +266,19 @@ class RepresentationTests(TestCase):
"""
# ZeroOrMore
- eq_(text_type(Grammar('foo = "bar" ("baz" "eggs")* "spam"')),
+ self.assertEqual(text_type(Grammar('foo = "bar" ("baz" "eggs")* "spam"')),
u'foo = "bar" ("baz" "eggs")* "spam"')
# OneOf
- eq_(text_type(Grammar('foo = "bar" ("baz" / "eggs") "spam"')),
+ self.assertEqual(text_type(Grammar('foo = "bar" ("baz" / "eggs") "spam"')),
u'foo = "bar" ("baz" / "eggs") "spam"')
# Lookahead
- eq_(text_type(Grammar('foo = "bar" &("baz" "eggs") "spam"')),
+ self.assertEqual(text_type(Grammar('foo = "bar" &("baz" "eggs") "spam"')),
u'foo = "bar" &("baz" "eggs") "spam"')
# Multiple sequences
- eq_(text_type(Grammar('foo = ("bar" "baz") / ("baff" "bam")')),
+ self.assertEqual(text_type(Grammar('foo = ("bar" "baz") / ("baff" "bam")')),
u'foo = ("bar" "baz") / ("baff" "bam")')
def test_unicode_surrounding_parens(self):
@@ -288,7 +287,7 @@ class RepresentationTests(TestCase):
right-hand side of an expression (as they're unnecessary).
"""
- eq_(text_type(Grammar('foo = ("foo" ("bar" "baz"))')),
+ self.assertEqual(text_type(Grammar('foo = ("foo" ("bar" "baz"))')),
u'foo = "foo" ("bar" "baz")')
@@ -315,5 +314,5 @@ class SlotsTests(TestCase):
self.smoo = 'smoo'
smoo = Smoo()
- eq_(smoo.__dict__, {}) # has a __dict__ but with no smoo in it
- eq_(smoo.smoo, 'smoo') # The smoo attr ended up in a slot.
+ self.assertEqual(smoo.__dict__, {}) # has a __dict__ but with no smoo in it
+ self.assertEqual(smoo.smoo, 'smoo') # The smoo attr ended up in a slot.
--- a/parsimonious/tests/test_grammar.py
+++ b/parsimonious/tests/test_grammar.py
@@ -1,11 +1,9 @@
# coding=utf-8
from sys import version_info
-from unittest import TestCase
+from unittest import TestCase, SkipTest
import sys
-from nose import SkipTest
-from nose.tools import eq_, assert_raises, ok_
from six import text_type
from parsimonious.exceptions import UndefinedLabel, ParseError
@@ -22,33 +20,33 @@ class BootstrappingGrammarTests(TestCase
def test_quantifier(self):
text = '*'
quantifier = rule_grammar['quantifier']
- eq_(quantifier.parse(text),
+ self.assertEqual(quantifier.parse(text),
Node(quantifier, text, 0, 1, children=[
Node(quantifier.members[0], text, 0, 1), Node(rule_grammar['_'], text, 1, 1)]))
text = '?'
- eq_(quantifier.parse(text),
+ self.assertEqual(quantifier.parse(text),
Node(quantifier, text, 0, 1, children=[
Node(quantifier.members[0], text, 0, 1), Node(rule_grammar['_'], text, 1, 1)]))
text = '+'
- eq_(quantifier.parse(text),
+ self.assertEqual(quantifier.parse(text),
Node(quantifier, text, 0, 1, children=[
Node(quantifier.members[0], text, 0, 1), Node(rule_grammar['_'], text, 1, 1)]))
def test_spaceless_literal(self):
text = '"anything but quotes#$*&^"'
spaceless_literal = rule_grammar['spaceless_literal']
- eq_(spaceless_literal.parse(text),
+ self.assertEqual(spaceless_literal.parse(text),
Node(spaceless_literal, text, 0, len(text), children=[
Node(spaceless_literal.members[0], text, 0, len(text))]))
text = r'''r"\""'''
- eq_(spaceless_literal.parse(text),
+ self.assertEqual(spaceless_literal.parse(text),
Node(spaceless_literal, text, 0, 5, children=[
Node(spaceless_literal.members[0], text, 0, 5)]))
def test_regex(self):
text = '~"[a-zA-Z_][a-zA-Z_0-9]*"LI'
regex = rule_grammar['regex']
- eq_(rule_grammar['regex'].parse(text),
+ self.assertEqual(rule_grammar['regex'].parse(text),
Node(regex, text, 0, len(text), children=[
Node(Literal('~'), text, 0, 1),
Node(rule_grammar['spaceless_literal'], text, 1, 25, children=[
@@ -58,40 +56,40 @@ class BootstrappingGrammarTests(TestCase
def test_successes(self):
"""Make sure the PEG recognition grammar succeeds on various inputs."""
- ok_(rule_grammar['label'].parse('_'))
- ok_(rule_grammar['label'].parse('jeff'))
- ok_(rule_grammar['label'].parse('_THIS_THING'))
+ self.assertTrue(rule_grammar['label'].parse('_'))
+ self.assertTrue(rule_grammar['label'].parse('jeff'))
+ self.assertTrue(rule_grammar['label'].parse('_THIS_THING'))
- ok_(rule_grammar['atom'].parse('some_label'))
- ok_(rule_grammar['atom'].parse('"some literal"'))
- ok_(rule_grammar['atom'].parse('~"some regex"i'))
+ self.assertTrue(rule_grammar['atom'].parse('some_label'))
+ self.assertTrue(rule_grammar['atom'].parse('"some literal"'))
+ self.assertTrue(rule_grammar['atom'].parse('~"some regex"i'))
- ok_(rule_grammar['quantified'].parse('~"some regex"i*'))
- ok_(rule_grammar['quantified'].parse('thing+'))
- ok_(rule_grammar['quantified'].parse('"hi"?'))
+ self.assertTrue(rule_grammar['quantified'].parse('~"some regex"i*'))
+ self.assertTrue(rule_grammar['quantified'].parse('thing+'))
+ self.assertTrue(rule_grammar['quantified'].parse('"hi"?'))
- ok_(rule_grammar['term'].parse('this'))
- ok_(rule_grammar['term'].parse('that+'))
+ self.assertTrue(rule_grammar['term'].parse('this'))
+ self.assertTrue(rule_grammar['term'].parse('that+'))
- ok_(rule_grammar['sequence'].parse('this that? other'))
+ self.assertTrue(rule_grammar['sequence'].parse('this that? other'))
- ok_(rule_grammar['ored'].parse('this / that+ / "other"'))
+ self.assertTrue(rule_grammar['ored'].parse('this / that+ / "other"'))
# + is higher precedence than &, so 'anded' should match the whole
# thing:
- ok_(rule_grammar['lookahead_term'].parse('&this+'))
+ self.assertTrue(rule_grammar['lookahead_term'].parse('&this+'))
- ok_(rule_grammar['expression'].parse('this'))
- ok_(rule_grammar['expression'].parse('this? that other*'))
- ok_(rule_grammar['expression'].parse('&this / that+ / "other"'))
- ok_(rule_grammar['expression'].parse('this / that? / "other"+'))
- ok_(rule_grammar['expression'].parse('this? that other*'))
-
- ok_(rule_grammar['rule'].parse('this = that\r'))
- ok_(rule_grammar['rule'].parse('this = the? that other* \t\r'))
- ok_(rule_grammar['rule'].parse('the=~"hi*"\n'))
+ self.assertTrue(rule_grammar['expression'].parse('this'))
+ self.assertTrue(rule_grammar['expression'].parse('this? that other*'))
+ self.assertTrue(rule_grammar['expression'].parse('&this / that+ / "other"'))
+ self.assertTrue(rule_grammar['expression'].parse('this / that? / "other"+'))
+ self.assertTrue(rule_grammar['expression'].parse('this? that other*'))
+
+ self.assertTrue(rule_grammar['rule'].parse('this = that\r'))
+ self.assertTrue(rule_grammar['rule'].parse('this = the? that other* \t\r'))
+ self.assertTrue(rule_grammar['rule'].parse('the=~"hi*"\n'))
- ok_(rule_grammar.parse('''
+ self.assertTrue(rule_grammar.parse('''
this = the? that other*
that = "thing"
the=~"hi*"
@@ -120,12 +118,12 @@ class RuleVisitorTests(TestCase):
rules, default_rule = RuleVisitor().visit(tree)
text = '98'
- eq_(default_rule.parse(text), Node(default_rule, text, 0, 2))
+ self.assertEqual(default_rule.parse(text), Node(default_rule, text, 0, 2))
def test_undefined_rule(self):
"""Make sure we throw the right exception on undefined rules."""
tree = rule_grammar.parse('boy = howdy\n')
- assert_raises(UndefinedLabel, RuleVisitor().visit, tree)
+ self.assertRaises(UndefinedLabel, RuleVisitor().visit, tree)
def test_optional(self):
tree = rule_grammar.parse('boy = "howdy"?\n')
@@ -135,7 +133,7 @@ class RuleVisitorTests(TestCase):
# It should turn into a Node from the Optional and another from the
# Literal within.
- eq_(default_rule.parse(howdy), Node(default_rule, howdy, 0, 5, children=[
+ self.assertEqual(default_rule.parse(howdy), Node(default_rule, howdy, 0, 5, children=[
Node(Literal("howdy"), howdy, 0, 5)]))
@@ -153,7 +151,7 @@ class GrammarTests(TestCase):
"""
greeting_grammar = Grammar('greeting = "hi" / "howdy"')
tree = greeting_grammar.parse('hi')
- eq_(tree, Node(greeting_grammar['greeting'], 'hi', 0, 2, children=[
+ self.assertEqual(tree, Node(greeting_grammar['greeting'], 'hi', 0, 2, children=[
Node(Literal('hi'), 'hi', 0, 2)]))
def test_unicode(self):
@@ -166,12 +164,12 @@ class GrammarTests(TestCase):
bold_close = "))"
""")
lines = text_type(grammar).splitlines()
- eq_(lines[0], 'bold_text = bold_open text bold_close')
- ok_('text = ~"[A-Z 0-9]*"i%s' % ('u' if version_info >= (3,) else '')
+ self.assertEqual(lines[0], 'bold_text = bold_open text bold_close')
+ self.assertTrue('text = ~"[A-Z 0-9]*"i%s' % ('u' if version_info >= (3,) else '')
in lines)
- ok_('bold_open = "(("' in lines)
- ok_('bold_close = "))"' in lines)
- eq_(len(lines), 4)
+ self.assertTrue('bold_open = "(("' in lines)
+ self.assertTrue('bold_close = "))"' in lines)
+ self.assertEqual(len(lines), 4)
def test_match(self):
"""Make sure partial-matching (with pos) works."""
@@ -182,14 +180,14 @@ class GrammarTests(TestCase):
bold_close = "))"
""")
s = ' ((boo))yah'
- eq_(grammar.match(s, pos=1), Node(grammar['bold_text'], s, 1, 8, children=[
+ self.assertEqual(grammar.match(s, pos=1), Node(grammar['bold_text'], s, 1, 8, children=[
Node(grammar['bold_open'], s, 1, 3),
Node(grammar['text'], s, 3, 6),
Node(grammar['bold_close'], s, 6, 8)]))
def test_bad_grammar(self):
"""Constructing a Grammar with bad rules should raise ParseError."""
- assert_raises(ParseError, Grammar, 'just a bunch of junk')
+ self.assertRaises(ParseError, Grammar, 'just a bunch of junk')
def test_comments(self):
"""Test tolerance of comments and blank lines in and around rules."""
@@ -204,7 +202,7 @@ class GrammarTests(TestCase):
# Pretty good
#Oh yeah.#""") # Make sure a comment doesn't need a
# \n or \r to end.
- eq_(list(sorted(str(grammar).splitlines())),
+ self.assertEqual(list(sorted(str(grammar).splitlines())),
['''bold_text = stars text stars''',
# TODO: Unicode flag is on by default in Python 3. I wonder if we
# should turn it on all the time in Parsimonious.
@@ -222,30 +220,30 @@ class GrammarTests(TestCase):
text = ~"[A-Z 0-9]*"i
bold_open = "((" bold_close = "))"
""")
- ok_(grammar.parse('((booyah))') is not None)
+ self.assertTrue(grammar.parse('((booyah))') is not None)
def test_not(self):
"""Make sure "not" predicates get parsed and work properly."""
grammar = Grammar(r'''not_arp = !"arp" ~"[a-z]+"''')
- assert_raises(ParseError, grammar.parse, 'arp')
- ok_(grammar.parse('argle') is not None)
+ self.assertRaises(ParseError, grammar.parse, 'arp')
+ self.assertTrue(grammar.parse('argle') is not None)
def test_lookahead(self):
grammar = Grammar(r'''starts_with_a = &"a" ~"[a-z]+"''')
- assert_raises(ParseError, grammar.parse, 'burp')
+ self.assertRaises(ParseError, grammar.parse, 'burp')
s = 'arp'
- eq_(grammar.parse('arp'), Node(grammar['starts_with_a'], s, 0, 3, children=[
+ self.assertEqual(grammar.parse('arp'), Node(grammar['starts_with_a'], s, 0, 3, children=[
Node(Lookahead(Literal('a')), s, 0, 0),
Node(Regex(r'[a-z]+'), s, 0, 3)]))
def test_parens(self):
grammar = Grammar(r'''sequence = "chitty" (" " "bang")+''')
# Make sure it's not as if the parens aren't there:
- assert_raises(ParseError, grammar.parse, 'chitty bangbang')
+ self.assertRaises(ParseError, grammar.parse, 'chitty bangbang')
s = 'chitty bang bang'
- eq_(str(grammar.parse(s)),
+ self.assertEqual(str(grammar.parse(s)),
"""<Node called "sequence" matching "chitty bang bang">
<Node matching "chitty">
<Node matching " bang bang">
@@ -287,13 +285,13 @@ class GrammarTests(TestCase):
digits = digit digits?
digit = ~r"[0-9]"
""")
- ok_(grammar.parse('12') is not None)
+ self.assertTrue(grammar.parse('12') is not None)
def test_badly_circular(self):
"""Uselessly circular references should be detected by the grammar
compiler."""
raise SkipTest('We have yet to make the grammar compiler detect these.')
- grammar = Grammar("""
+ Grammar("""
foo = bar
bar = foo
""")
@@ -315,7 +313,7 @@ class GrammarTests(TestCase):
digit=lambda text, pos:
(pos + 1) if text[pos].isdigit() else None)
s = '[6]'
- eq_(grammar.parse(s),
+ self.assertEqual(grammar.parse(s),
Node(grammar['bracketed_digit'], s, 0, 3, children=[
Node(grammar['start'], s, 0, 1),
Node(grammar['digit'], s, 1, 2),
@@ -339,7 +337,7 @@ class GrammarTests(TestCase):
digit=lambda text, pos, cache, error, grammar:
grammar['real_digit'].match_core(text, pos, cache, error))
s = '[6]'
- eq_(grammar.parse(s),
+ self.assertEqual(grammar.parse(s),
Node(grammar['bracketed_digit'], s, 0, 3, children=[
Node(grammar['start'], s, 0, 1),
Node(grammar['real_digit'], s, 1, 2),
@@ -360,7 +358,7 @@ class GrammarTests(TestCase):
LazyReference('five'),
name='forty_five')).default('forty_five')
s = '45'
- eq_(grammar.parse(s),
+ self.assertEqual(grammar.parse(s),
Node(grammar['forty_five'], s, 0, 2, children=[
Node(grammar['four'], s, 0, 1),
Node(grammar['five'], s, 1, 2)]))
@@ -375,7 +373,7 @@ class GrammarTests(TestCase):
"""
grammar = Grammar(one_char=lambda text, pos: pos + 1).default('one_char')
s = '4'
- eq_(grammar.parse(s),
+ self.assertEqual(grammar.parse(s),
Node(grammar['one_char'], s, 0, 1))
def test_lazy_default_rule(self):
@@ -388,7 +386,7 @@ class GrammarTests(TestCase):
styled_text = text
text = "hi"
""")
- eq_(grammar.parse('hi'), Node(grammar['text'], 'hi', 0, 2))
+ self.assertEqual(grammar.parse('hi'), Node(grammar['text'], 'hi', 0, 2))
def test_immutable_grammar(self):
"""Make sure that a Grammar is immutable after being created."""
@@ -398,14 +396,14 @@ class GrammarTests(TestCase):
def mod_grammar(grammar):
grammar['foo'] = 1
- assert_raises(TypeError, mod_grammar, [grammar])
+ self.assertRaises(TypeError, mod_grammar, [grammar])
def mod_grammar(grammar):
new_grammar = Grammar(r"""
baz = 'biff'
""")
grammar.update(new_grammar)
- assert_raises(AttributeError, mod_grammar, [grammar])
+ self.assertRaises(AttributeError, mod_grammar, [grammar])
def test_repr(self):
self.assertTrue(repr(Grammar(r'foo = "a"')))
@@ -433,7 +431,7 @@ class TokenGrammarTests(TestCase):
foo = token1 "token2"
token1 = "token1"
""")
- eq_(grammar.parse(s),
+ self.assertEqual(grammar.parse(s),
Node(grammar['foo'], s, 0, 2, children=[
Node(grammar['token1'], s, 0, 1),
Node(TokenMatcher('token2'), s, 1, 2)]))
@@ -443,7 +441,7 @@ class TokenGrammarTests(TestCase):
grammar = TokenGrammar("""
foo = "token1" "token2"
""")
- assert_raises(ParseError,
+ self.assertRaises(ParseError,
grammar.parse,
[Token('tokenBOO'), Token('token2')])
--- a/parsimonious/tests/test_nodes.py
+++ b/parsimonious/tests/test_nodes.py
@@ -1,6 +1,5 @@
# -*- coding: utf-8 -*-
-from nose import SkipTest
-from nose.tools import eq_, ok_, assert_raises, assert_in
+from unittest import SkipTest, TestCase
from parsimonious import Grammar, NodeVisitor, VisitationError, rule
from parsimonious.expressions import Literal
@@ -33,61 +32,62 @@ class ExplosiveFormatter(NodeVisitor):
raise ValueError
-def test_visitor():
- """Assert a tree gets visited correctly."""
- grammar = Grammar(r'''
- bold_text = bold_open text bold_close
- text = ~'[a-zA-Z 0-9]*'
- bold_open = '(('
- bold_close = '))'
- ''')
- text = '((o hai))'
- tree = Node(grammar['bold_text'], text, 0, 9,
- [Node(grammar['bold_open'], text, 0, 2),
- Node(grammar['text'], text, 2, 7),
- Node(grammar['bold_close'], text, 7, 9)])
- eq_(grammar.parse(text), tree)
- result = HtmlFormatter().visit(tree)
- eq_(result, '<b>o hai</b>')
-
-
-def test_visitation_exception():
- assert_raises(VisitationError,
- ExplosiveFormatter().visit,
- Node(Literal(''), '', 0, 0))
-
-
-def test_str():
- """Test str and unicode of ``Node``."""
- n = Node(Literal('something', name='text'), 'o hai', 0, 5)
- good = '<Node called "text" matching "o hai">'
- eq_(str(n), good)
-
-
-def test_repr():
- """Test repr of ``Node``."""
- s = u'hai ö'
- boogie = u'böogie'
- n = Node(Literal(boogie), s, 0, 3, children=[
- Node(Literal(' '), s, 3, 4), Node(Literal(u'ö'), s, 4, 5)])
- eq_(repr(n),
- str("""s = {hai_o}\nNode({boogie}, s, 0, 3, children=[Node({space}, s, 3, 4), Node({o}, s, 4, 5)])""").format(
- hai_o=repr(s),
- boogie=repr(Literal(boogie)),
- space=repr(Literal(" ")),
- o=repr(Literal(u"ö")),
+class SimpleTests(TestCase):
+ def test_visitor(self):
+ """Assert a tree gets visited correctly."""
+ grammar = Grammar(r'''
+ bold_text = bold_open text bold_close
+ text = ~'[a-zA-Z 0-9]*'
+ bold_open = '(('
+ bold_close = '))'
+ ''')
+ text = '((o hai))'
+ tree = Node(grammar['bold_text'], text, 0, 9,
+ [Node(grammar['bold_open'], text, 0, 2),
+ Node(grammar['text'], text, 2, 7),
+ Node(grammar['bold_close'], text, 7, 9)])
+ self.assertEqual(grammar.parse(text), tree)
+ result = HtmlFormatter().visit(tree)
+ self.assertEqual(result, '<b>o hai</b>')
+
+
+ def test_visitation_exception(self):
+ self.assertRaises(VisitationError,
+ ExplosiveFormatter().visit,
+ Node(Literal(''), '', 0, 0))
+
+
+ def test_str(self):
+ """Test str and unicode of ``Node``."""
+ n = Node(Literal('something', name='text'), 'o hai', 0, 5)
+ good = '<Node called "text" matching "o hai">'
+ self.assertEqual(str(n), good)
+
+
+ def test_repr(self):
+ """Test repr of ``Node``."""
+ s = u'hai ö'
+ boogie = u'böogie'
+ n = Node(Literal(boogie), s, 0, 3, children=[
+ Node(Literal(' '), s, 3, 4), Node(Literal(u'ö'), s, 4, 5)])
+ self.assertEqual(repr(n),
+ str("""s = {hai_o}\nNode({boogie}, s, 0, 3, children=[Node({space}, s, 3, 4), Node({o}, s, 4, 5)])""").format(
+ hai_o=repr(s),
+ boogie=repr(Literal(boogie)),
+ space=repr(Literal(" ")),
+ o=repr(Literal(u"ö")),
+ )
)
- )
-def test_parse_shortcut():
- """Exercise the simple case in which the visitor takes care of parsing."""
- eq_(HtmlFormatter().parse('(('), '<b>')
+ def test_parse_shortcut(self):
+ """Exercise the simple case in which the visitor takes care of parsing."""
+ self.assertEqual(HtmlFormatter().parse('(('), '<b>')
-def test_match_shortcut():
- """Exercise the simple case in which the visitor takes care of matching."""
- eq_(HtmlFormatter().match('((other things'), '<b>')
+ def test_match_shortcut(self):
+ """Exercise the simple case in which the visitor takes care of matching."""
+ self.assertEqual(HtmlFormatter().match('((other things'), '<b>')
class CoupledFormatter(NodeVisitor):
@@ -108,82 +108,84 @@ class CoupledFormatter(NodeVisitor):
"""Return the text verbatim."""
return node.text
+class DecoratorTests(TestCase):
+ def test_rule_decorator(self):
+ """Make sure the @rule decorator works."""
+ self.assertEqual(CoupledFormatter().parse('((hi))'), '<b>hi</b>')
+
+
+ def test_rule_decorator_subclassing(self):
+ """Make sure we can subclass and override visitor methods without blowing
+ away the rules attached to them."""
+ class OverridingFormatter(CoupledFormatter):
+ def visit_text(self, node, visited_children):
+ """Return the text capitalized."""
+ return node.text.upper()
+
+ @rule('"not used"')
+ def visit_useless(self, node, visited_children):
+ """Get in the way. Tempt the metaclass to pave over the
+ superclass's grammar with a new one."""
-def test_rule_decorator():
- """Make sure the @rule decorator works."""
- eq_(CoupledFormatter().parse('((hi))'), '<b>hi</b>')
-
-
-def test_rule_decorator_subclassing():
- """Make sure we can subclass and override visitor methods without blowing
- away the rules attached to them."""
- class OverridingFormatter(CoupledFormatter):
- def visit_text(self, node, visited_children):
- """Return the text capitalized."""
- return node.text.upper()
-
- @rule('"not used"')
- def visit_useless(self, node, visited_children):
- """Get in the way. Tempt the metaclass to pave over the
- superclass's grammar with a new one."""
-
- raise SkipTest("I haven't got around to making this work yet.")
- eq_(OverridingFormatter().parse('((hi))'), '<b>HI</b>')
+ raise SkipTest("I haven't got around to making this work yet.")
+ self.assertEqual(OverridingFormatter().parse('((hi))'), '<b>HI</b>')
class PrimalScream(Exception):
pass
-def test_unwrapped_exceptions():
- class Screamer(NodeVisitor):
- grammar = Grammar("""greeting = 'howdy'""")
- unwrapped_exceptions = (PrimalScream,)
-
- def visit_greeting(self, thing, visited_children):
- raise PrimalScream('This should percolate up!')
-
- assert_raises(PrimalScream, Screamer().parse, 'howdy')
-
-
-def test_node_inequality():
- node = Node(Literal('12345'), 'o hai', 0, 5)
- ok_(node != 5)
- ok_(node != None)
- ok_(node != Node(Literal('23456'), 'o hai', 0, 5))
- ok_(not (node != Node(Literal('12345'), 'o hai', 0, 5)))
-
-
-def test_generic_visit_NotImplementedError_unnamed_node():
- """
- Test that generic_visit provides informative error messages
- when visitors are not defined.
-
- Regression test for https://github.com/erikrose/parsimonious/issues/110
- """
- class MyVisitor(NodeVisitor):
- grammar = Grammar(r'''
- bar = "b" "a" "r"
- ''')
- unwrapped_exceptions = (NotImplementedError, )
-
- with assert_raises(NotImplementedError) as e:
- MyVisitor().parse('bar')
- assert_in('No visitor method was defined for this expression: "b"', str(e.exception))
-
-
-def test_generic_visit_NotImplementedError_named_node():
- """
- Test that generic_visit provides informative error messages
- when visitors are not defined.
- """
- class MyVisitor(NodeVisitor):
- grammar = Grammar(r'''
- bar = myrule myrule myrule
- myrule = ~"[bar]"
- ''')
- unwrapped_exceptions = (NotImplementedError, )
+class SpecialCasesTests(TestCase):
- with assert_raises(NotImplementedError) as e:
- MyVisitor().parse('bar')
- assert_in('No visitor method was defined for this expression: myrule = ~"[bar]"', str(e.exception))
+ def test_unwrapped_exceptions(self):
+ class Screamer(NodeVisitor):
+ grammar = Grammar("""greeting = 'howdy'""")
+ unwrapped_exceptions = (PrimalScream,)
+
+ def visit_greeting(self, thing, visited_children):
+ raise PrimalScream('This should percolate up!')
+
+ self.assertRaises(PrimalScream, Screamer().parse, 'howdy')
+
+
+ def test_node_inequality(self):
+ node = Node(Literal('12345'), 'o hai', 0, 5)
+ self.assertTrue(node != 5)
+ self.assertTrue(node != None)
+ self.assertTrue(node != Node(Literal('23456'), 'o hai', 0, 5))
+ self.assertTrue(not (node != Node(Literal('12345'), 'o hai', 0, 5)))
+
+
+ def test_generic_visit_NotImplementedError_unnamed_node(self):
+ """
+ Test that generic_visit provides informative error messages
+ when visitors are not defined.
+
+ Regression test for https://github.com/erikrose/parsimonious/issues/110
+ """
+ class MyVisitor(NodeVisitor):
+ grammar = Grammar(r'''
+ bar = "b" "a" "r"
+ ''')
+ unwrapped_exceptions = (NotImplementedError, )
+
+ with self.assertRaises(NotImplementedError) as e:
+ MyVisitor().parse('bar')
+ self.assertIn('No visitor method was defined for this expression: "b"', str(e.exception))
+
+
+ def test_generic_visit_NotImplementedError_named_node(self):
+ """
+ Test that generic_visit provides informative error messages
+ when visitors are not defined.
+ """
+ class MyVisitor(NodeVisitor):
+ grammar = Grammar(r'''
+ bar = myrule myrule myrule
+ myrule = ~"[bar]"
+ ''')
+ unwrapped_exceptions = (NotImplementedError, )
+
+ with self.assertRaises(NotImplementedError) as e:
+ MyVisitor().parse('bar')
+ self.assertIn('No visitor method was defined for this expression: myrule = ~"[bar]"', str(e.exception))
