8000 Speedup tests by moving some in strip_ignored_chars to fuzzing · graphql-python/graphql-core@fe748bb · GitHub
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Speedup tests by moving some in strip_ignored_chars to fuzzing
Replicates graphql/graphql-js@ebb7bef
1 parent 505d554 commit fe748bb

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2 files changed

+212
-169
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2 files changed

+212
-169
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‎tests/utilities/test_strip_ignored_characters.py

Lines changed: 2 additions & 169 deletions
Original file line numberDiff line numberDiff line change
@@ -1,4 +1,3 @@
1-
from json import dumps
21
from typing import Optional
32

43
from pytest import raises
@@ -11,33 +10,6 @@
1110
from ..utils import dedent
1211

1312

14-
ignored_tokens = [
15-
# UnicodeBOM
16-
"\uFEFF", # Byte Order Mark (U+FEFF)
17-
# WhiteSpace
18-
"\t", # Horizontal Tab (U+0009)
19-
" ", # Space (U+0020)
20-
# LineTerminator
21-
"\n", # "New Line (U+000A)"
22-
"\r", # "Carriage Return (U+000D)" [ lookahead ! "New Line (U+000A)" ]
23-
"\r\n", # "Carriage Return (U+000D)" "New Line (U+000A)"
24-
# Comment
25-
'# "Comment" string\n', # `#` CommentChar*
26-
# Comma
27-
",", # ,
28-
]
29-
30-
punctuator_tokens = ["!", "$", "(", ")", "...", ":", "=", "@", "[", "]", "{", "|", "}"]
31-
32-
non_punctuator_tokens = [
33-
"name_token", # Name
34-
"1", # IntValue
35-
"3.14", # FloatValue
36-
'"some string value"', # StringValue
37-
'"""block\nstring\nvalue"""', # StringValue(BlockString)
38-
]
39-
40-
4113
def lex_value(s: str) -> Optional[str]:
4214
lexer = Lexer(Source(s))
4315
value = lexer.advance().value
@@ -52,24 +24,10 @@ def __init__(self, doc_string: str):
5224
def to_equal(self, expected: str):
5325
doc_string = self.doc_string
5426
stripped = strip_ignored_characters(doc_string)
55-
56-
assert stripped == expected, dedent(
57-
f"""
58-
Expected strip_ignored_characters({doc_string!r})
59-
to equal {expected!r}
60-
but got {stripped!r}
61-
"""
62-
)
27+
assert stripped == expected
6328

6429
stripped_twice = strip_ignored_characters(stripped)
65-
66-
assert stripped == stripped_twice, dedent(
67-
f""""
68-
Expected strip_ignored_characters({stripped!r})"
69-
to equal {stripped!r}
70-
but got {stripped_twice!r}
71-
"""
72-
)
30+
assert stripped == stripped_twice
7331

7432
def to_stay_the_same(self):
7533
self.to_equal(self.doc_string)
@@ -139,14 +97,6 @@ def strips_documents_with_only_ignored_characters():
13997
ExpectStripped(",,").to_equal("")
14098
ExpectStripped("#comment\n, \n").to_equal("")
14199

142-
for ignored in ignored_tokens:
143-
ExpectStripped(ignored).to_equal("")
144-
145-
for another_ignored in ignored_tokens:
146-
ExpectStripped(ignored + another_ignored).to_equal("")
147-
148-
ExpectStripped("".join(ignored_tokens)).to_equal("")
149-
150100
def strips_leading_and_trailing_ignored_tokens():
151101
ExpectStripped("\n1").to_equal("1")
152102
ExpectStripped(",1").to_equal("1")
@@ -158,109 +108,32 @@ def strips_leading_and_trailing_ignored_tokens():
158108
ExpectStripped("1,,").to_equal("1")
159109
ExpectStripped("1#comment\n, \n").to_equal("1")
160110

161-
for token in punctuator_tokens + non_punctuator_tokens:
162-
for ignored in ignored_tokens:
163-
ExpectStripped(ignored + token).to_equal(token)
164-
ExpectStripped(token + ignored).to_equal(token)
165-
166-
for another_ignored in ignored_tokens:
167-
ExpectStripped(token + ignored + ignored).to_equal(token)
168-
ExpectStripped(ignored + another_ignored + token).to_equal(token)
169-
170-
ExpectStripped("".join(ignored_tokens) + token).to_equal(token)
171-
ExpectStripped(token + "".join(ignored_tokens)).to_equal(token)
172-
173111
def strips_ignored_tokens_between_punctuator_tokens():
174112
ExpectStripped("[,)").to_equal("[)")
175113
ExpectStripped("[\r)").to_equal("[)")
176114
ExpectStripped("[\r\r)").to_equal("[)")
177115
ExpectStripped("[\r,)").to_equal("[)")
178116
ExpectStripped("[,\n)").to_equal("[)")
179117

180-
for left in punctuator_tokens:
181-
for right in punctuator_tokens:
182-
for ignored in ignored_tokens:
183-
ExpectStripped(left + ignored + right).to_equal(left + right)
184-
185-
for another_ignored in ignored_tokens:
186-
ExpectStripped(
187-
left + ignored + another_ignored + right
188-
).to_equal(left + right)
189-
190-
ExpectStripped(left + "".join(ignored_tokens) + right).to_equal(
191-
left + right
192-
)
193-
194118
def strips_ignored_tokens_between_punctuator_and_non_punctuator_tokens():
195119
ExpectStripped("[,1").to_equal("[1")
196120
ExpectStripped("[\r1").to_equal("[1")
197121
ExpectStripped("[\r\r1").to_equal("[1")
198122
ExpectStripped("[\r,1").to_equal("[1")
199123
ExpectStripped("[,\n1").to_equal("[1")
200124

201-
for non_punctuator in non_punctuator_tokens:
202-
for punctuator in punctuator_tokens:
203-
for ignored in ignored_tokens:
204-
ExpectStripped(punctuator + ignored + non_punctuator).to_equal(
205-
punctuator + non_punctuator
206-
)
207-
208-
for another_ignored in ignored_tokens:
209-
ExpectStripped(
210-
punctuator + ignored + another_ignored + non_punctuator
211-
).to_equal(punctuator + non_punctuator)
212-
213-
ExpectStripped(
214-
punctuator + "".join(ignored_tokens) + non_punctuator
215-
).to_equal(punctuator + non_punctuator)
216-
217125
def strips_ignored_tokens_between_non_punctuator_and_punctuator_tokens():
218126
ExpectStripped("1,[").to_equal("1[")
219127
ExpectStripped("1\r[").to_equal("1[")
220128
ExpectStripped("1\r\r[").to_equal("1[")
221129
ExpectStripped("1\r,[").to_equal("1[")
222130
ExpectStripped("1,\n[").to_equal("1[")
223131

224-
for non_punctuator in non_punctuator_tokens:
225-
for punctuator in punctuator_tokens:
226-
# Special case for that is handled in the below test
227-
if punctuator == "...":
228-
continue
229-
230-
for ignored in ignored_tokens:
231-
ExpectStripped(non_punctuator + ignored + punctuator).to_equal(
232-
non_punctuator + punctuator
233-
)
234-
235-
for another_ignored in ignored_tokens:
236-
ExpectStripped(
237-
non_punctuator + ignored + another_ignored + punctuator
238-
).to_equal(non_punctuator + punctuator)
239-
240-
ExpectStripped(
241-
non_punctuator + "".join(ignored_tokens) + punctuator
242-
).to_equal(non_punctuator + punctuator)
243-
244132
def replace_ignored_tokens_between_non_punctuator_tokens_and_spread_with_space():
245133
ExpectStripped("a ...").to_equal("a ...")
246134
ExpectStripped("1 ...").to_equal("1 ...")
247135
ExpectStripped("1 ... ...").to_equal("1 ......")
248136

249-
for non_punctuator in non_punctuator_tokens:
250-
for ignored in ignored_tokens:
251-
ExpectStripped(non_punctuator + ignored + "...").to_equal(
252-
non_punctuator + " ..."
253-
)
254-
255-
for another_ignored in ignored_tokens:
256-
ExpectStripped(
257-
non_punctuator + ignored + another_ignored + " ..."
258-
).to_equal(non_punctuator + " ...")
259-
260-
ExpectStripped(non_punctuator + "".join(ignored_tokens) + "...").to_equal(
261-
non_punctuator + " ..."
262-
)
263-
264137
def replace_ignored_tokens_between_non_punctuator_tokens_with_space():
265138
ExpectStripped("1 2").to_stay_the_same()
266139
ExpectStripped('"" ""').to_stay_the_same()
@@ -271,57 +144,17 @@ def replace_ignored_tokens_between_non_punctuator_tokens_with_space():
271144
ExpectStripped("a 1").to_equal("a 1")
272145
ExpectStripped("a \t 1").to_equal("a 1")
273146

274-
for left in non_punctuator_tokens:
275-
for right in non_punctuator_tokens:
276-
for ignored in ignored_tokens:
277-
ExpectStripped(left + ignored + right).to_equal(left + " " + right)
278-
279-
for another_ignored in ignored_tokens:
280-
ExpectStripped(
281-
left + ignored + another_ignored + right
282-
).to_equal(left + " " + right)
283-
284-
ExpectStripped(left + "".join(ignored_tokens) + right).to_equal(
285-
left + " " + right
286-
)
287-
288147
def does_not_strip_ignored_tokens_embedded_in_the_string():
289148
ExpectStripped('" "').to_stay_the_same()
290149
ExpectStripped('","').to_stay_the_same()
291150
ExpectStripped('",,"').to_stay_the_same()
292151
ExpectStripped('",|"').to_stay_the_same()
293152

294-
for ignored in ignored_tokens:
295-
ExpectStripped(dumps(ignored)).to_stay_the_same()
296-
297-
for another_ignored in ignored_tokens:
298-
ExpectStripped(dumps(ignored + another_ignored)).to_stay_the_same()
299-
300-
ExpectStripped(dumps("".join(ignored_tokens))).to_stay_the_same()
301-
302153
def does_not_strip_ignored_tokens_embedded_in_the_block_string():
303154
ExpectStripped('""","""').to_stay_the_same()
304155
ExpectStripped('""",,"""').to_stay_the_same()
305156
ExpectStripped('""",|"""').to_stay_the_same()
306157

307-
ignored_tokens_without_formatting = [
308-
token
309-
for token in ignored_tokens
310-
if token not in ["\n", "\r", "\r\n", "\t", " "]
311-
]
312-
313-
for ignored in ignored_tokens_without_formatting:
314-
ExpectStripped('"""|' + ignored + '|"""').to_stay_the_same()
315-
316-
for another_ignored in ignored_tokens_without_formatting:
317-
ExpectStripped(
318-
'"""|' + ignored + another_ignored + '|"""'
319-
).to_stay_the_same()
320-
321-
ExpectStripped(
322-
'"""|' + "".join(ignored_tokens_without_formatting) + '|"""'
323-
).to_stay_the_same()
324-
325158
def strips_ignored_characters_inside_block_strings():
326159
# noinspection PyShadowingNames
327160
def expect_stripped_string(block_str: str):

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