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gh-102980: Add tests for pdf's display, alias and where commands (GH-102981)
(cherry picked from commit ded9a7f) Co-authored-by: gaogaotiantian <gaogaotiantian@hotmail.com>
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‎Lib/test/test_pdb.py

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@@ -574,6 +574,156 @@ def test_pdb_whatis_command():
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(Pdb) continue
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"""
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def test_pdb_display_command():
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"""Test display command
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>>> def test_function():
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... a = 0
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... import pdb; pdb.Pdb(nosigint=True, readrc=False).set_trace()
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... a = 1
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... a = 2
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... a = 3
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... a = 4
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>>> with PdbTestInput([ # doctest: +ELLIPSIS
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... 'display a',
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... 'n',
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... 'display',
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... 'undisplay a',
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... 'n',
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... 'display a',
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... 'undisplay',
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... 'display a < 1',
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... 'n',
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... 'continue',
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... ]):
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... test_function()
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> <doctest test.test_pdb.test_pdb_display_command[0]>(4)test_function()
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-> a = 1
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(Pdb) display a
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display a: 0
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(Pdb) n
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> <doctest test.test_pdb.test_pdb_display_command[0]>(5)test_function()
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-> a = 2
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display a: 1 [old: 0]
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(Pdb) display
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Currently displaying:
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a: 1
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(Pdb) undisplay a
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(Pdb) n
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> <doctest test.test_pdb.test_pdb_display_command[0]>(6)test_function()
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-> a = 3
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(Pdb) display a
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display a: 2
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(Pdb) undisplay
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(Pdb) display a < 1
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display a < 1: False
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(Pdb) n
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> <doctest test.test_pdb.test_pdb_display_command[0]>(7)test_function()
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-> a = 4
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(Pdb) continue
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"""
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def test_pdb_alias_command():
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"""Test alias command
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>>> class A:
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... def __init__(self):
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... self.attr1 = 10
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... self.attr2 = 'str'
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... def method(self):
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... pass
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>>> def test_function():
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... o = A()
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... import pdb; pdb.Pdb(nosigint=True, readrc=False).set_trace()
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... o.method()
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>>> with PdbTestInput([ # doctest: +ELLIPSIS
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... 'alias pi for k in %1.__dict__.keys(): print(f"%1.{k} = {%1.__dict__[k]}")',
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... 'alias ps pi self',
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... 'pi o',
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... 's',
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... 'ps',
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... 'continue',
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... ]):
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... test_function()
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> <doctest test.test_pdb.test_pdb_alias_command[1]>(4)test_function()
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-> o.method()
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(Pdb) alias pi for k in %1.__dict__.keys(): print(f"%1.{k} = {%1.__dict__[k]}")
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(Pdb) alias ps pi self
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(Pdb) pi o
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o.attr1 = 10
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o.attr2 = str
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(Pdb) s
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--Call--
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> <doctest test.test_pdb.test_pdb_alias_command[0]>(5)method()
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-> def method(self):
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(Pdb) ps
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self.attr1 = 10
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self.attr2 = str
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(Pdb) continue
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"""
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def test_pdb_where_command():
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"""Test where command
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>>> def g():
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... import pdb; pdb.Pdb(nosigint=True, readrc=False).set_trace()
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>>> def f():
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... g();
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>>> def test_function():
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... f()
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>>> with PdbTestInput([ # doctest: +ELLIPSIS
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... 'w',
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... 'where',
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... 'u',
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... 'w',
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... 'continue',
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... ]):
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... test_function()
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--Return--
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> <doctest test.test_pdb.test_pdb_where_command[0]>(2)g()->None
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-> import pdb; pdb.Pdb(nosigint=True, readrc=False).set_trace()
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(Pdb) w
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...
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<doctest test.test_pdb.test_pdb_where_command[3]>(8)<module>()
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-> test_function()
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<doctest test.test_pdb.test_pdb_where_command[2]>(2)test_function()
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-> f()
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<doctest test.test_pdb.test_pdb_where_command[1]>(2)f()
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-> g();
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> <doctest test.test_pdb.test_pdb_where_command[0]>(2)g()->None
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-> import pdb; pdb.Pdb(nosigint=True, readrc=False).set_trace()
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(Pdb) where
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...
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<doctest test.test_pdb.test_pdb_where_command[3]>(8)<module>()
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-> test_function()
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<doctest test.test_pdb.test_pdb_where_command[2]>(2)test_function()
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-> f()
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<doctest test.test_pdb.test_pdb_where_command[1]>(2)f()
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-> g();
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> <doctest test.test_pdb.test_pdb_where_command[0]>(2)g()->None
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-> import pdb; pdb.Pdb(nosigint=True, readrc=False).set_trace()
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(Pdb) u
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> <doctest test.test_pdb.test_pdb_where_command[1]>(2)f()
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-> g();
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(Pdb) w
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...
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<doctest test.test_pdb.test_pdb_where_command[3]>(8)<module>()
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-> test_function()
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<doctest test.test_pdb.test_pdb_where_command[2]>(2)test_function()
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-> f()
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> <doctest test.test_pdb.test_pdb_where_command[1]>(2)f()
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-> g();
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<doctest test.test_pdb.test_pdb_where_command[0]>(2)g()->None
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-> import pdb; pdb.Pdb(nosigint=True, readrc=False).set_trace()
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(Pdb) continue
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"""
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def test_post_mortem():
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"""Test post mortem traceback debugging.
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‎Misc/NEWS.d/next/Tests/2023-03-23-23-25-18.gh-issue-102980.Zps4QF.rst

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Improve test coverage on :mod:`pdb`.

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