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clang-p2996/clang/test/bindings/python/tests/cindex/test_index.py
Jannick Kremer a75587d271 [clang][python][test] Move python binding tests to lit framework (#146486)
As discussed in PR #142353, the current testsuite of the `clang` Python
bindings has several issues:

- It `libclang.so` cannot be loaded into `python` to run the testsuite,
the whole `ninja check-all` aborts.
- The result of running the testsuite isn't report like the `lit`-based
tests, rendering them almost invisible.
- The testsuite is disabled in a non-obvious way (`RUN_PYTHON_TESTS`) in
`tests/CMakeLists.txt`, which again doesn't show up in the test results.

All these issues can be avoided by integrating the Python bindings tests
with `lit`, which is what this patch does:

- The actual test lives in `clang/test/bindings/python/bindings.sh` and
is run by `lit`.
- The current `clang/bindings/python/tests` directory (minus the
now-subperfluous `CMakeLists.txt`) is moved into the same directory.
- The check if `libclang` is loadable (originally from PR #142353) is
now handled via a new `lit` feature, `libclang-loadable`.
- The various ways to disable the tests have been turned into `XFAIL`s
as appropriate. This isn't complete and not completely tested yet.

Tested on `sparc-sun-solaris2.11`, `sparcv9-sun-solaris2.11`,
`i386-pc-solaris2.11`, `amd64-pc-solaris2.11`, `i686-pc-linux-gnu`, and
`x86_64-pc-linux-gnu`.

Co-authored-by: Rainer Orth <ro@gcc.gnu.org>
2025-07-02 10:11:48 +02:00

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Python

import os
from clang.cindex import Config, Index, TranslationUnit
if "CLANG_LIBRARY_PATH" in os.environ:
Config.set_library_path(os.environ["CLANG_LIBRARY_PATH"])
import unittest
INPUTS_DIR = os.path.join(os.path.dirname(__file__), "INPUTS")
class TestIndex(unittest.TestCase):
def test_create(self):
Index.create()
# FIXME: test Index.read
def test_parse(self):
index = Index.create()
self.assertIsInstance(index, Index)
tu = index.parse(os.path.join(INPUTS_DIR, "hello.cpp"))
self.assertIsInstance(tu, TranslationUnit)
tu = index.parse(None, ["-c", os.path.join(INPUTS_DIR, "hello.cpp")])
self.assertIsInstance(tu, TranslationUnit)