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[3.12] gh-109972: Enhance test_gdb (#110026) #110351

Merged
merged 3 commits into from
Oct 4, 2023
Merged

[3.12] gh-109972: Enhance test_gdb (#110026) #110351

merged 3 commits into from
Oct 4, 2023

Commits on Oct 4, 2023

  1. pythongh-109972: Enhance test_gdb (python#110026) 

    * Split test_pycfunction.py: add test_cfunction_full.py.
  Split the function into the following 6 functions. In verbose
  mode, these "pycfunction" tests now log each tested call.

  * test_pycfunction_noargs()
  * test_pycfunction_o()
  * test_pycfunction_varargs()
  * test_pycfunction_varargs_keywords()
  * test_pycfunction_fastcall()
  * test_pycfunction_fastcall_keywords()

* Move get_gdb_repr() to PrettyPrintTests.
* Replace DebuggerTests.get_sample_script() with SAMPLE_SCRIPT.
* Rename checkout_hook_path to CHECKOUT_HOOK_PATH.
* Rename gdb_version to GDB_VERSION_TEXT.
* Replace (gdb_major_version, gdb_minor_version) with GDB_VERSION.
* run_gdb() uses "backslashreplace" error handler instead of "replace".
* Add check_gdb() function to util.py.
* Enhance support.check_cflags_pgo(): check also for sysconfig
  PGO_PROF_USE_FLAG (if available) in compiler flags.
* Move some SkipTest checks to test_gdb/__init__.py.
* Elaborate why gdb cannot be tested on Windows: gdb doesn't support
  PDB debug symbol files.

(cherry picked from commit 757cbd4)
    @vstinner
    vstinner committed Oct 4, 2023
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  2. pythongh-104736: Fix test_gdb tests on ppc64le with clang (python#109360 

    )

Fix test_gdb on Python built with LLVM clang 16 on Linux ppc64le (ex:
Fedora 38). Search patterns in gdb "bt" command output to detect
when gdb fails to retrieve the traceback. For example, skip a test if
"Backtrace stopped: frame did not save the PC" is found.

(cherry picked from commit 44d9a71)
    @vstinner
    vstinner committed Oct 4, 2023
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  3. pythongh-110166: Fix gdb CFunctionFullTests on ppc64le clang build (p… 

    …ython#110331)

CFunctionFullTests now also runs "bt" command before "py-bt-full",
similar to CFunctionTests which also runs "bt" command before
"py-bt". So test_gdb can skip the test if patterns like "?? ()" are
found in the gdb output.

(cherry picked from commit 1de9406)
    @vstinner
    vstinner committed Oct 4, 2023
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