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@@ -1,440 +1,445 | |||||
1 | # encoding: utf-8 |
|
1 | # encoding: utf-8 | |
2 | """Tests for IPython.core.ultratb |
|
2 | """Tests for IPython.core.ultratb | |
3 | """ |
|
3 | """ | |
4 | import io |
|
4 | import io | |
5 | import logging |
|
5 | import logging | |
6 | import sys |
|
6 | import sys | |
7 | import os.path |
|
7 | import os.path | |
8 | from textwrap import dedent |
|
8 | from textwrap import dedent | |
9 | import traceback |
|
9 | import traceback | |
10 | import unittest |
|
10 | import unittest | |
11 | from unittest import mock |
|
11 | from unittest import mock | |
12 |
|
12 | |||
13 | import IPython.core.ultratb as ultratb |
|
13 | import IPython.core.ultratb as ultratb | |
14 | from IPython.core.ultratb import ColorTB, VerboseTB, find_recursion |
|
14 | from IPython.core.ultratb import ColorTB, VerboseTB, find_recursion | |
15 |
|
15 | |||
16 |
|
16 | |||
17 | from IPython.testing import tools as tt |
|
17 | from IPython.testing import tools as tt | |
18 | from IPython.testing.decorators import onlyif_unicode_paths |
|
18 | from IPython.testing.decorators import onlyif_unicode_paths | |
19 | from IPython.utils.syspathcontext import prepended_to_syspath |
|
19 | from IPython.utils.syspathcontext import prepended_to_syspath | |
20 | from IPython.utils.tempdir import TemporaryDirectory |
|
20 | from IPython.utils.tempdir import TemporaryDirectory | |
21 |
|
21 | |||
22 | file_1 = """1 |
|
22 | file_1 = """1 | |
23 | 2 |
|
23 | 2 | |
24 | 3 |
|
24 | 3 | |
25 | def f(): |
|
25 | def f(): | |
26 | 1/0 |
|
26 | 1/0 | |
27 | """ |
|
27 | """ | |
28 |
|
28 | |||
29 | file_2 = """def f(): |
|
29 | file_2 = """def f(): | |
30 | 1/0 |
|
30 | 1/0 | |
31 | """ |
|
31 | """ | |
32 |
|
32 | |||
33 |
|
33 | |||
34 | def recursionlimit(frames): |
|
34 | def recursionlimit(frames): | |
35 | """ |
|
35 | """ | |
36 | decorator to set the recursion limit temporarily |
|
36 | decorator to set the recursion limit temporarily | |
37 | """ |
|
37 | """ | |
38 |
|
38 | |||
39 | def inner(test_function): |
|
39 | def inner(test_function): | |
40 | def wrapper(*args, **kwargs): |
|
40 | def wrapper(*args, **kwargs): | |
41 | _orig_rec_limit = ultratb._FRAME_RECURSION_LIMIT |
|
41 | _orig_rec_limit = ultratb._FRAME_RECURSION_LIMIT | |
42 | ultratb._FRAME_RECURSION_LIMIT = 50 |
|
42 | ultratb._FRAME_RECURSION_LIMIT = 50 | |
43 |
|
43 | |||
44 | rl = sys.getrecursionlimit() |
|
44 | rl = sys.getrecursionlimit() | |
45 | sys.setrecursionlimit(frames) |
|
45 | sys.setrecursionlimit(frames) | |
46 | try: |
|
46 | try: | |
47 | return test_function(*args, **kwargs) |
|
47 | return test_function(*args, **kwargs) | |
48 | finally: |
|
48 | finally: | |
49 | sys.setrecursionlimit(rl) |
|
49 | sys.setrecursionlimit(rl) | |
50 | ultratb._FRAME_RECURSION_LIMIT = _orig_rec_limit |
|
50 | ultratb._FRAME_RECURSION_LIMIT = _orig_rec_limit | |
51 |
|
51 | |||
52 | return wrapper |
|
52 | return wrapper | |
53 |
|
53 | |||
54 | return inner |
|
54 | return inner | |
55 |
|
55 | |||
56 |
|
56 | |||
57 | class ChangedPyFileTest(unittest.TestCase): |
|
57 | class ChangedPyFileTest(unittest.TestCase): | |
58 | def test_changing_py_file(self): |
|
58 | def test_changing_py_file(self): | |
59 | """Traceback produced if the line where the error occurred is missing? |
|
59 | """Traceback produced if the line where the error occurred is missing? | |
60 |
|
60 | |||
61 | https://github.com/ipython/ipython/issues/1456 |
|
61 | https://github.com/ipython/ipython/issues/1456 | |
62 | """ |
|
62 | """ | |
63 | with TemporaryDirectory() as td: |
|
63 | with TemporaryDirectory() as td: | |
64 | fname = os.path.join(td, "foo.py") |
|
64 | fname = os.path.join(td, "foo.py") | |
65 | with open(fname, "w") as f: |
|
65 | with open(fname, "w") as f: | |
66 | f.write(file_1) |
|
66 | f.write(file_1) | |
67 |
|
67 | |||
68 | with prepended_to_syspath(td): |
|
68 | with prepended_to_syspath(td): | |
69 | ip.run_cell("import foo") |
|
69 | ip.run_cell("import foo") | |
70 |
|
70 | |||
71 | with tt.AssertPrints("ZeroDivisionError"): |
|
71 | with tt.AssertPrints("ZeroDivisionError"): | |
72 | ip.run_cell("foo.f()") |
|
72 | ip.run_cell("foo.f()") | |
73 |
|
73 | |||
74 | # Make the file shorter, so the line of the error is missing. |
|
74 | # Make the file shorter, so the line of the error is missing. | |
75 | with open(fname, "w") as f: |
|
75 | with open(fname, "w") as f: | |
76 | f.write(file_2) |
|
76 | f.write(file_2) | |
77 |
|
77 | |||
78 | # For some reason, this was failing on the *second* call after |
|
78 | # For some reason, this was failing on the *second* call after | |
79 | # changing the file, so we call f() twice. |
|
79 | # changing the file, so we call f() twice. | |
80 | with tt.AssertNotPrints("Internal Python error", channel='stderr'): |
|
80 | with tt.AssertNotPrints("Internal Python error", channel='stderr'): | |
81 | with tt.AssertPrints("ZeroDivisionError"): |
|
81 | with tt.AssertPrints("ZeroDivisionError"): | |
82 | ip.run_cell("foo.f()") |
|
82 | ip.run_cell("foo.f()") | |
83 | with tt.AssertPrints("ZeroDivisionError"): |
|
83 | with tt.AssertPrints("ZeroDivisionError"): | |
84 | ip.run_cell("foo.f()") |
|
84 | ip.run_cell("foo.f()") | |
85 |
|
85 | |||
86 | iso_8859_5_file = u'''# coding: iso-8859-5 |
|
86 | iso_8859_5_file = u'''# coding: iso-8859-5 | |
87 |
|
87 | |||
88 | def fail(): |
|
88 | def fail(): | |
89 | """Π΄Π±ΠΠ""" |
|
89 | """Π΄Π±ΠΠ""" | |
90 | 1/0 # Π΄Π±ΠΠ |
|
90 | 1/0 # Π΄Π±ΠΠ | |
91 | ''' |
|
91 | ''' | |
92 |
|
92 | |||
93 | class NonAsciiTest(unittest.TestCase): |
|
93 | class NonAsciiTest(unittest.TestCase): | |
94 | @onlyif_unicode_paths |
|
94 | @onlyif_unicode_paths | |
95 | def test_nonascii_path(self): |
|
95 | def test_nonascii_path(self): | |
96 | # Non-ascii directory name as well. |
|
96 | # Non-ascii directory name as well. | |
97 | with TemporaryDirectory(suffix=u'Γ©') as td: |
|
97 | with TemporaryDirectory(suffix=u'Γ©') as td: | |
98 | fname = os.path.join(td, u"fooΓ©.py") |
|
98 | fname = os.path.join(td, u"fooΓ©.py") | |
99 | with open(fname, "w") as f: |
|
99 | with open(fname, "w") as f: | |
100 | f.write(file_1) |
|
100 | f.write(file_1) | |
101 |
|
101 | |||
102 | with prepended_to_syspath(td): |
|
102 | with prepended_to_syspath(td): | |
103 | ip.run_cell("import foo") |
|
103 | ip.run_cell("import foo") | |
104 |
|
104 | |||
105 | with tt.AssertPrints("ZeroDivisionError"): |
|
105 | with tt.AssertPrints("ZeroDivisionError"): | |
106 | ip.run_cell("foo.f()") |
|
106 | ip.run_cell("foo.f()") | |
107 |
|
107 | |||
108 | def test_iso8859_5(self): |
|
108 | def test_iso8859_5(self): | |
109 | with TemporaryDirectory() as td: |
|
109 | with TemporaryDirectory() as td: | |
110 | fname = os.path.join(td, 'dfghjkl.py') |
|
110 | fname = os.path.join(td, 'dfghjkl.py') | |
111 |
|
111 | |||
112 | with io.open(fname, 'w', encoding='iso-8859-5') as f: |
|
112 | with io.open(fname, 'w', encoding='iso-8859-5') as f: | |
113 | f.write(iso_8859_5_file) |
|
113 | f.write(iso_8859_5_file) | |
114 |
|
114 | |||
115 | with prepended_to_syspath(td): |
|
115 | with prepended_to_syspath(td): | |
116 | ip.run_cell("from dfghjkl import fail") |
|
116 | ip.run_cell("from dfghjkl import fail") | |
117 |
|
117 | |||
118 | with tt.AssertPrints("ZeroDivisionError"): |
|
118 | with tt.AssertPrints("ZeroDivisionError"): | |
119 | with tt.AssertPrints(u'Π΄Π±ΠΠ', suppress=False): |
|
119 | with tt.AssertPrints(u'Π΄Π±ΠΠ', suppress=False): | |
120 | ip.run_cell('fail()') |
|
120 | ip.run_cell('fail()') | |
121 |
|
121 | |||
122 | def test_nonascii_msg(self): |
|
122 | def test_nonascii_msg(self): | |
123 | cell = u"raise Exception('Γ©')" |
|
123 | cell = u"raise Exception('Γ©')" | |
124 | expected = u"Exception('Γ©')" |
|
124 | expected = u"Exception('Γ©')" | |
125 | ip.run_cell("%xmode plain") |
|
125 | ip.run_cell("%xmode plain") | |
126 | with tt.AssertPrints(expected): |
|
126 | with tt.AssertPrints(expected): | |
127 | ip.run_cell(cell) |
|
127 | ip.run_cell(cell) | |
128 |
|
128 | |||
129 | ip.run_cell("%xmode verbose") |
|
129 | ip.run_cell("%xmode verbose") | |
130 | with tt.AssertPrints(expected): |
|
130 | with tt.AssertPrints(expected): | |
131 | ip.run_cell(cell) |
|
131 | ip.run_cell(cell) | |
132 |
|
132 | |||
133 | ip.run_cell("%xmode context") |
|
133 | ip.run_cell("%xmode context") | |
134 | with tt.AssertPrints(expected): |
|
134 | with tt.AssertPrints(expected): | |
135 | ip.run_cell(cell) |
|
135 | ip.run_cell(cell) | |
136 |
|
136 | |||
137 | ip.run_cell("%xmode minimal") |
|
137 | ip.run_cell("%xmode minimal") | |
138 | with tt.AssertPrints(u"Exception: Γ©"): |
|
138 | with tt.AssertPrints(u"Exception: Γ©"): | |
139 | ip.run_cell(cell) |
|
139 | ip.run_cell(cell) | |
140 |
|
140 | |||
141 | # Put this back into Context mode for later tests. |
|
141 | # Put this back into Context mode for later tests. | |
142 | ip.run_cell("%xmode context") |
|
142 | ip.run_cell("%xmode context") | |
143 |
|
143 | |||
144 | class NestedGenExprTestCase(unittest.TestCase): |
|
144 | class NestedGenExprTestCase(unittest.TestCase): | |
145 | """ |
|
145 | """ | |
146 | Regression test for the following issues: |
|
146 | Regression test for the following issues: | |
147 | https://github.com/ipython/ipython/issues/8293 |
|
147 | https://github.com/ipython/ipython/issues/8293 | |
148 | https://github.com/ipython/ipython/issues/8205 |
|
148 | https://github.com/ipython/ipython/issues/8205 | |
149 | """ |
|
149 | """ | |
150 | def test_nested_genexpr(self): |
|
150 | def test_nested_genexpr(self): | |
151 | code = dedent( |
|
151 | code = dedent( | |
152 | """\ |
|
152 | """\ | |
153 | class SpecificException(Exception): |
|
153 | class SpecificException(Exception): | |
154 | pass |
|
154 | pass | |
155 |
|
155 | |||
156 | def foo(x): |
|
156 | def foo(x): | |
157 | raise SpecificException("Success!") |
|
157 | raise SpecificException("Success!") | |
158 |
|
158 | |||
159 | sum(sum(foo(x) for _ in [0]) for x in [0]) |
|
159 | sum(sum(foo(x) for _ in [0]) for x in [0]) | |
160 | """ |
|
160 | """ | |
161 | ) |
|
161 | ) | |
162 | with tt.AssertPrints('SpecificException: Success!', suppress=False): |
|
162 | with tt.AssertPrints('SpecificException: Success!', suppress=False): | |
163 | ip.run_cell(code) |
|
163 | ip.run_cell(code) | |
164 |
|
164 | |||
165 |
|
165 | |||
166 | indentationerror_file = """if True: |
|
166 | indentationerror_file = """if True: | |
167 | zoon() |
|
167 | zoon() | |
168 | """ |
|
168 | """ | |
169 |
|
169 | |||
170 | class IndentationErrorTest(unittest.TestCase): |
|
170 | class IndentationErrorTest(unittest.TestCase): | |
171 | def test_indentationerror_shows_line(self): |
|
171 | def test_indentationerror_shows_line(self): | |
172 | # See issue gh-2398 |
|
172 | # See issue gh-2398 | |
173 | with tt.AssertPrints("IndentationError"): |
|
173 | with tt.AssertPrints("IndentationError"): | |
174 | with tt.AssertPrints("zoon()", suppress=False): |
|
174 | with tt.AssertPrints("zoon()", suppress=False): | |
175 | ip.run_cell(indentationerror_file) |
|
175 | ip.run_cell(indentationerror_file) | |
176 |
|
176 | |||
177 | with TemporaryDirectory() as td: |
|
177 | with TemporaryDirectory() as td: | |
178 | fname = os.path.join(td, "foo.py") |
|
178 | fname = os.path.join(td, "foo.py") | |
179 | with open(fname, "w") as f: |
|
179 | with open(fname, "w") as f: | |
180 | f.write(indentationerror_file) |
|
180 | f.write(indentationerror_file) | |
181 |
|
181 | |||
182 | with tt.AssertPrints("IndentationError"): |
|
182 | with tt.AssertPrints("IndentationError"): | |
183 | with tt.AssertPrints("zoon()", suppress=False): |
|
183 | with tt.AssertPrints("zoon()", suppress=False): | |
184 | ip.magic('run %s' % fname) |
|
184 | ip.magic('run %s' % fname) | |
185 |
|
185 | |||
186 | se_file_1 = """1 |
|
186 | se_file_1 = """1 | |
187 | 2 |
|
187 | 2 | |
188 | 7/ |
|
188 | 7/ | |
189 | """ |
|
189 | """ | |
190 |
|
190 | |||
191 | se_file_2 = """7/ |
|
191 | se_file_2 = """7/ | |
192 | """ |
|
192 | """ | |
193 |
|
193 | |||
194 | class SyntaxErrorTest(unittest.TestCase): |
|
194 | class SyntaxErrorTest(unittest.TestCase): | |
195 | def test_syntaxerror_without_lineno(self): |
|
195 | def test_syntaxerror_without_lineno(self): | |
196 | with tt.AssertNotPrints("TypeError"): |
|
196 | with tt.AssertNotPrints("TypeError"): | |
197 | with tt.AssertPrints("line unknown"): |
|
197 | with tt.AssertPrints("line unknown"): | |
198 | ip.run_cell("raise SyntaxError()") |
|
198 | ip.run_cell("raise SyntaxError()") | |
199 |
|
199 | |||
200 | def test_syntaxerror_no_stacktrace_at_compile_time(self): |
|
200 | def test_syntaxerror_no_stacktrace_at_compile_time(self): | |
201 | syntax_error_at_compile_time = """ |
|
201 | syntax_error_at_compile_time = """ | |
202 | def foo(): |
|
202 | def foo(): | |
203 | .. |
|
203 | .. | |
204 | """ |
|
204 | """ | |
205 | with tt.AssertPrints("SyntaxError"): |
|
205 | with tt.AssertPrints("SyntaxError"): | |
206 | ip.run_cell(syntax_error_at_compile_time) |
|
206 | ip.run_cell(syntax_error_at_compile_time) | |
207 |
|
207 | |||
208 | with tt.AssertNotPrints("foo()"): |
|
208 | with tt.AssertNotPrints("foo()"): | |
209 | ip.run_cell(syntax_error_at_compile_time) |
|
209 | ip.run_cell(syntax_error_at_compile_time) | |
210 |
|
210 | |||
211 | def test_syntaxerror_stacktrace_when_running_compiled_code(self): |
|
211 | def test_syntaxerror_stacktrace_when_running_compiled_code(self): | |
212 | syntax_error_at_runtime = """ |
|
212 | syntax_error_at_runtime = """ | |
213 | def foo(): |
|
213 | def foo(): | |
214 | eval("..") |
|
214 | eval("..") | |
215 |
|
215 | |||
216 | def bar(): |
|
216 | def bar(): | |
217 | foo() |
|
217 | foo() | |
218 |
|
218 | |||
219 | bar() |
|
219 | bar() | |
220 | """ |
|
220 | """ | |
221 | with tt.AssertPrints("SyntaxError"): |
|
221 | with tt.AssertPrints("SyntaxError"): | |
222 | ip.run_cell(syntax_error_at_runtime) |
|
222 | ip.run_cell(syntax_error_at_runtime) | |
223 | # Assert syntax error during runtime generate stacktrace |
|
223 | # Assert syntax error during runtime generate stacktrace | |
224 | with tt.AssertPrints(["foo()", "bar()"]): |
|
224 | with tt.AssertPrints(["foo()", "bar()"]): | |
225 | ip.run_cell(syntax_error_at_runtime) |
|
225 | ip.run_cell(syntax_error_at_runtime) | |
226 | del ip.user_ns['bar'] |
|
226 | del ip.user_ns['bar'] | |
227 | del ip.user_ns['foo'] |
|
227 | del ip.user_ns['foo'] | |
228 |
|
228 | |||
229 | def test_changing_py_file(self): |
|
229 | def test_changing_py_file(self): | |
230 | with TemporaryDirectory() as td: |
|
230 | with TemporaryDirectory() as td: | |
231 | fname = os.path.join(td, "foo.py") |
|
231 | fname = os.path.join(td, "foo.py") | |
232 | with open(fname, 'w') as f: |
|
232 | with open(fname, 'w') as f: | |
233 | f.write(se_file_1) |
|
233 | f.write(se_file_1) | |
234 |
|
234 | |||
235 | with tt.AssertPrints(["7/", "SyntaxError"]): |
|
235 | with tt.AssertPrints(["7/", "SyntaxError"]): | |
236 | ip.magic("run " + fname) |
|
236 | ip.magic("run " + fname) | |
237 |
|
237 | |||
238 | # Modify the file |
|
238 | # Modify the file | |
239 | with open(fname, 'w') as f: |
|
239 | with open(fname, 'w') as f: | |
240 | f.write(se_file_2) |
|
240 | f.write(se_file_2) | |
241 |
|
241 | |||
242 | # The SyntaxError should point to the correct line |
|
242 | # The SyntaxError should point to the correct line | |
243 | with tt.AssertPrints(["7/", "SyntaxError"]): |
|
243 | with tt.AssertPrints(["7/", "SyntaxError"]): | |
244 | ip.magic("run " + fname) |
|
244 | ip.magic("run " + fname) | |
245 |
|
245 | |||
246 | def test_non_syntaxerror(self): |
|
246 | def test_non_syntaxerror(self): | |
247 | # SyntaxTB may be called with an error other than a SyntaxError |
|
247 | # SyntaxTB may be called with an error other than a SyntaxError | |
248 | # See e.g. gh-4361 |
|
248 | # See e.g. gh-4361 | |
249 | try: |
|
249 | try: | |
250 | raise ValueError('QWERTY') |
|
250 | raise ValueError('QWERTY') | |
251 | except ValueError: |
|
251 | except ValueError: | |
252 | with tt.AssertPrints('QWERTY'): |
|
252 | with tt.AssertPrints('QWERTY'): | |
253 | ip.showsyntaxerror() |
|
253 | ip.showsyntaxerror() | |
254 |
|
254 | |||
255 |
|
255 | |||
256 | class Python3ChainedExceptionsTest(unittest.TestCase): |
|
256 | class Python3ChainedExceptionsTest(unittest.TestCase): | |
257 | DIRECT_CAUSE_ERROR_CODE = """ |
|
257 | DIRECT_CAUSE_ERROR_CODE = """ | |
258 | try: |
|
258 | try: | |
259 | x = 1 + 2 |
|
259 | x = 1 + 2 | |
260 | print(not_defined_here) |
|
260 | print(not_defined_here) | |
261 | except Exception as e: |
|
261 | except Exception as e: | |
262 | x += 55 |
|
262 | x += 55 | |
263 | x - 1 |
|
263 | x - 1 | |
264 | y = {} |
|
264 | y = {} | |
265 | raise KeyError('uh') from e |
|
265 | raise KeyError('uh') from e | |
266 | """ |
|
266 | """ | |
267 |
|
267 | |||
268 | EXCEPTION_DURING_HANDLING_CODE = """ |
|
268 | EXCEPTION_DURING_HANDLING_CODE = """ | |
269 | try: |
|
269 | try: | |
270 | x = 1 + 2 |
|
270 | x = 1 + 2 | |
271 | print(not_defined_here) |
|
271 | print(not_defined_here) | |
272 | except Exception as e: |
|
272 | except Exception as e: | |
273 | x += 55 |
|
273 | x += 55 | |
274 | x - 1 |
|
274 | x - 1 | |
275 | y = {} |
|
275 | y = {} | |
276 | raise KeyError('uh') |
|
276 | raise KeyError('uh') | |
277 | """ |
|
277 | """ | |
278 |
|
278 | |||
279 | SUPPRESS_CHAINING_CODE = """ |
|
279 | SUPPRESS_CHAINING_CODE = """ | |
280 | try: |
|
280 | try: | |
281 | 1/0 |
|
281 | 1/0 | |
282 | except Exception: |
|
282 | except Exception: | |
283 | raise ValueError("Yikes") from None |
|
283 | raise ValueError("Yikes") from None | |
284 | """ |
|
284 | """ | |
285 |
|
285 | |||
286 | def test_direct_cause_error(self): |
|
286 | def test_direct_cause_error(self): | |
287 | with tt.AssertPrints(["KeyError", "NameError", "direct cause"]): |
|
287 | with tt.AssertPrints(["KeyError", "NameError", "direct cause"]): | |
288 | ip.run_cell(self.DIRECT_CAUSE_ERROR_CODE) |
|
288 | ip.run_cell(self.DIRECT_CAUSE_ERROR_CODE) | |
289 |
|
289 | |||
290 | def test_exception_during_handling_error(self): |
|
290 | def test_exception_during_handling_error(self): | |
291 | with tt.AssertPrints(["KeyError", "NameError", "During handling"]): |
|
291 | with tt.AssertPrints(["KeyError", "NameError", "During handling"]): | |
292 | ip.run_cell(self.EXCEPTION_DURING_HANDLING_CODE) |
|
292 | ip.run_cell(self.EXCEPTION_DURING_HANDLING_CODE) | |
293 |
|
293 | |||
294 | def test_suppress_exception_chaining(self): |
|
294 | def test_suppress_exception_chaining(self): | |
295 | with tt.AssertNotPrints("ZeroDivisionError"), \ |
|
295 | with tt.AssertNotPrints("ZeroDivisionError"), \ | |
296 | tt.AssertPrints("ValueError", suppress=False): |
|
296 | tt.AssertPrints("ValueError", suppress=False): | |
297 | ip.run_cell(self.SUPPRESS_CHAINING_CODE) |
|
297 | ip.run_cell(self.SUPPRESS_CHAINING_CODE) | |
298 |
|
298 | |||
|
299 | def test_plain_exception(self): | |||
|
300 | with tt.AssertPrints(["KeyError", "NameError", "During handling"]): | |||
|
301 | ip.run_cell("%xmode Plain") | |||
|
302 | ip.run_cell(self.EXCEPTION_DURING_HANDLING_CODE) | |||
|
303 | ||||
299 |
|
304 | |||
300 | class RecursionTest(unittest.TestCase): |
|
305 | class RecursionTest(unittest.TestCase): | |
301 | DEFINITIONS = """ |
|
306 | DEFINITIONS = """ | |
302 | def non_recurs(): |
|
307 | def non_recurs(): | |
303 | 1/0 |
|
308 | 1/0 | |
304 |
|
309 | |||
305 | def r1(): |
|
310 | def r1(): | |
306 | r1() |
|
311 | r1() | |
307 |
|
312 | |||
308 | def r3a(): |
|
313 | def r3a(): | |
309 | r3b() |
|
314 | r3b() | |
310 |
|
315 | |||
311 | def r3b(): |
|
316 | def r3b(): | |
312 | r3c() |
|
317 | r3c() | |
313 |
|
318 | |||
314 | def r3c(): |
|
319 | def r3c(): | |
315 | r3a() |
|
320 | r3a() | |
316 |
|
321 | |||
317 | def r3o1(): |
|
322 | def r3o1(): | |
318 | r3a() |
|
323 | r3a() | |
319 |
|
324 | |||
320 | def r3o2(): |
|
325 | def r3o2(): | |
321 | r3o1() |
|
326 | r3o1() | |
322 | """ |
|
327 | """ | |
323 | def setUp(self): |
|
328 | def setUp(self): | |
324 | ip.run_cell(self.DEFINITIONS) |
|
329 | ip.run_cell(self.DEFINITIONS) | |
325 |
|
330 | |||
326 | def test_no_recursion(self): |
|
331 | def test_no_recursion(self): | |
327 | with tt.AssertNotPrints("frames repeated"): |
|
332 | with tt.AssertNotPrints("frames repeated"): | |
328 | ip.run_cell("non_recurs()") |
|
333 | ip.run_cell("non_recurs()") | |
329 |
|
334 | |||
330 | @recursionlimit(150) |
|
335 | @recursionlimit(150) | |
331 | def test_recursion_one_frame(self): |
|
336 | def test_recursion_one_frame(self): | |
332 | with tt.AssertPrints("1 frames repeated"): |
|
337 | with tt.AssertPrints("1 frames repeated"): | |
333 | ip.run_cell("r1()") |
|
338 | ip.run_cell("r1()") | |
334 |
|
339 | |||
335 | @recursionlimit(150) |
|
340 | @recursionlimit(150) | |
336 | def test_recursion_three_frames(self): |
|
341 | def test_recursion_three_frames(self): | |
337 | with tt.AssertPrints("3 frames repeated"): |
|
342 | with tt.AssertPrints("3 frames repeated"): | |
338 | ip.run_cell("r3o2()") |
|
343 | ip.run_cell("r3o2()") | |
339 |
|
344 | |||
340 | @recursionlimit(150) |
|
345 | @recursionlimit(150) | |
341 | def test_find_recursion(self): |
|
346 | def test_find_recursion(self): | |
342 | captured = [] |
|
347 | captured = [] | |
343 | def capture_exc(*args, **kwargs): |
|
348 | def capture_exc(*args, **kwargs): | |
344 | captured.append(sys.exc_info()) |
|
349 | captured.append(sys.exc_info()) | |
345 | with mock.patch.object(ip, 'showtraceback', capture_exc): |
|
350 | with mock.patch.object(ip, 'showtraceback', capture_exc): | |
346 | ip.run_cell("r3o2()") |
|
351 | ip.run_cell("r3o2()") | |
347 |
|
352 | |||
348 | self.assertEqual(len(captured), 1) |
|
353 | self.assertEqual(len(captured), 1) | |
349 | etype, evalue, tb = captured[0] |
|
354 | etype, evalue, tb = captured[0] | |
350 | self.assertIn("recursion", str(evalue)) |
|
355 | self.assertIn("recursion", str(evalue)) | |
351 |
|
356 | |||
352 | records = ip.InteractiveTB.get_records(tb, 3, ip.InteractiveTB.tb_offset) |
|
357 | records = ip.InteractiveTB.get_records(tb, 3, ip.InteractiveTB.tb_offset) | |
353 | for r in records[:10]: |
|
358 | for r in records[:10]: | |
354 | print(r[1:4]) |
|
359 | print(r[1:4]) | |
355 |
|
360 | |||
356 | # The outermost frames should be: |
|
361 | # The outermost frames should be: | |
357 | # 0: the 'cell' that was running when the exception came up |
|
362 | # 0: the 'cell' that was running when the exception came up | |
358 | # 1: r3o2() |
|
363 | # 1: r3o2() | |
359 | # 2: r3o1() |
|
364 | # 2: r3o1() | |
360 | # 3: r3a() |
|
365 | # 3: r3a() | |
361 | # Then repeating r3b, r3c, r3a |
|
366 | # Then repeating r3b, r3c, r3a | |
362 | last_unique, repeat_length = find_recursion(etype, evalue, records) |
|
367 | last_unique, repeat_length = find_recursion(etype, evalue, records) | |
363 | self.assertEqual(last_unique, 2) |
|
368 | self.assertEqual(last_unique, 2) | |
364 | self.assertEqual(repeat_length, 3) |
|
369 | self.assertEqual(repeat_length, 3) | |
365 |
|
370 | |||
366 |
|
371 | |||
367 | #---------------------------------------------------------------------------- |
|
372 | #---------------------------------------------------------------------------- | |
368 |
|
373 | |||
369 | # module testing (minimal) |
|
374 | # module testing (minimal) | |
370 | def test_handlers(): |
|
375 | def test_handlers(): | |
371 | def spam(c, d_e): |
|
376 | def spam(c, d_e): | |
372 | (d, e) = d_e |
|
377 | (d, e) = d_e | |
373 | x = c + d |
|
378 | x = c + d | |
374 | y = c * d |
|
379 | y = c * d | |
375 | foo(x, y) |
|
380 | foo(x, y) | |
376 |
|
381 | |||
377 | def foo(a, b, bar=1): |
|
382 | def foo(a, b, bar=1): | |
378 | eggs(a, b + bar) |
|
383 | eggs(a, b + bar) | |
379 |
|
384 | |||
380 | def eggs(f, g, z=globals()): |
|
385 | def eggs(f, g, z=globals()): | |
381 | h = f + g |
|
386 | h = f + g | |
382 | i = f - g |
|
387 | i = f - g | |
383 | return h / i |
|
388 | return h / i | |
384 |
|
389 | |||
385 | buff = io.StringIO() |
|
390 | buff = io.StringIO() | |
386 |
|
391 | |||
387 | buff.write('') |
|
392 | buff.write('') | |
388 | buff.write('*** Before ***') |
|
393 | buff.write('*** Before ***') | |
389 | try: |
|
394 | try: | |
390 | buff.write(spam(1, (2, 3))) |
|
395 | buff.write(spam(1, (2, 3))) | |
391 | except: |
|
396 | except: | |
392 | traceback.print_exc(file=buff) |
|
397 | traceback.print_exc(file=buff) | |
393 |
|
398 | |||
394 | handler = ColorTB(ostream=buff) |
|
399 | handler = ColorTB(ostream=buff) | |
395 | buff.write('*** ColorTB ***') |
|
400 | buff.write('*** ColorTB ***') | |
396 | try: |
|
401 | try: | |
397 | buff.write(spam(1, (2, 3))) |
|
402 | buff.write(spam(1, (2, 3))) | |
398 | except: |
|
403 | except: | |
399 | handler(*sys.exc_info()) |
|
404 | handler(*sys.exc_info()) | |
400 | buff.write('') |
|
405 | buff.write('') | |
401 |
|
406 | |||
402 | handler = VerboseTB(ostream=buff) |
|
407 | handler = VerboseTB(ostream=buff) | |
403 | buff.write('*** VerboseTB ***') |
|
408 | buff.write('*** VerboseTB ***') | |
404 | try: |
|
409 | try: | |
405 | buff.write(spam(1, (2, 3))) |
|
410 | buff.write(spam(1, (2, 3))) | |
406 | except: |
|
411 | except: | |
407 | handler(*sys.exc_info()) |
|
412 | handler(*sys.exc_info()) | |
408 | buff.write('') |
|
413 | buff.write('') | |
409 |
|
414 | |||
410 | from IPython.testing.decorators import skipif |
|
415 | from IPython.testing.decorators import skipif | |
411 |
|
416 | |||
412 | class TokenizeFailureTest(unittest.TestCase): |
|
417 | class TokenizeFailureTest(unittest.TestCase): | |
413 | """Tests related to https://github.com/ipython/ipython/issues/6864.""" |
|
418 | """Tests related to https://github.com/ipython/ipython/issues/6864.""" | |
414 |
|
419 | |||
415 | # that appear to test that we are handling an exception that can be thrown |
|
420 | # that appear to test that we are handling an exception that can be thrown | |
416 | # by the tokenizer due to a bug that seem to have been fixed in 3.8, though |
|
421 | # by the tokenizer due to a bug that seem to have been fixed in 3.8, though | |
417 | # I'm unsure if other sequences can make it raise this error. Let's just |
|
422 | # I'm unsure if other sequences can make it raise this error. Let's just | |
418 | # skip in 3.8 for now |
|
423 | # skip in 3.8 for now | |
419 | @skipif(sys.version_info > (3,8)) |
|
424 | @skipif(sys.version_info > (3,8)) | |
420 | def testLogging(self): |
|
425 | def testLogging(self): | |
421 | message = "An unexpected error occurred while tokenizing input" |
|
426 | message = "An unexpected error occurred while tokenizing input" | |
422 | cell = 'raise ValueError("""a\nb""")' |
|
427 | cell = 'raise ValueError("""a\nb""")' | |
423 |
|
428 | |||
424 | stream = io.StringIO() |
|
429 | stream = io.StringIO() | |
425 | handler = logging.StreamHandler(stream) |
|
430 | handler = logging.StreamHandler(stream) | |
426 | logger = logging.getLogger() |
|
431 | logger = logging.getLogger() | |
427 | loglevel = logger.level |
|
432 | loglevel = logger.level | |
428 | logger.addHandler(handler) |
|
433 | logger.addHandler(handler) | |
429 | self.addCleanup(lambda: logger.removeHandler(handler)) |
|
434 | self.addCleanup(lambda: logger.removeHandler(handler)) | |
430 | self.addCleanup(lambda: logger.setLevel(loglevel)) |
|
435 | self.addCleanup(lambda: logger.setLevel(loglevel)) | |
431 |
|
436 | |||
432 | logger.setLevel(logging.INFO) |
|
437 | logger.setLevel(logging.INFO) | |
433 | with tt.AssertNotPrints(message): |
|
438 | with tt.AssertNotPrints(message): | |
434 | ip.run_cell(cell) |
|
439 | ip.run_cell(cell) | |
435 | self.assertNotIn(message, stream.getvalue()) |
|
440 | self.assertNotIn(message, stream.getvalue()) | |
436 |
|
441 | |||
437 | logger.setLevel(logging.DEBUG) |
|
442 | logger.setLevel(logging.DEBUG) | |
438 | with tt.AssertNotPrints(message): |
|
443 | with tt.AssertNotPrints(message): | |
439 | ip.run_cell(cell) |
|
444 | ip.run_cell(cell) | |
440 | self.assertIn(message, stream.getvalue()) |
|
445 | self.assertIn(message, stream.getvalue()) |
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