view tests/test-check-pyflakes.t @ 49939:0a58aaa2009c

makefile: add `cargo clippy` to tests if cargo is available

This linter mostly makes our code more idiomatic, less surprising, has good
suggestions and catches bugs. It's widely used in the Rust community and now
part of the default toolchain when using `rustup`.

#require test-repo pyflakes hg10

  $ . "$TESTDIR/helpers-testrepo.sh"

run pyflakes on all tracked files ending in .py or without a file ending
(skipping binary file random-seed)

  $ cat > test.py <<EOF
  > print(undefinedname)
  > EOF
  $ "$PYTHON" -m pyflakes test.py 2>/dev/null | "$TESTDIR/filterpyflakes.py"
  test.py:1:* undefined name 'undefinedname' (glob)
  
  $ cd "`dirname "$TESTDIR"`"

  $ testrepohg locate 'set:**.py or grep("^#!.*python")' \
  > -X hgext/fsmonitor/pywatchman \
  > -X contrib/python-zstandard \
  > -X mercurial/thirdparty \
  > 2>/dev/null \
  > | xargs "$PYTHON" -m pyflakes 2>/dev/null | "$TESTDIR/filterpyflakes.py"
  contrib/perf.py:*:* undefined name 'xrange' (glob) (?)
  mercurial/pycompat.py:*:* 'codecs' imported but unused (glob)
  mercurial/pycompat.py:*:* 'concurrent.futures' imported but unused (glob)
  mercurial/pycompat.py:*:* 'http.client as httplib' imported but unused (glob)
  mercurial/pycompat.py:*:* 'http.cookiejar as cookielib' imported but unused (glob)
  mercurial/pycompat.py:*:* 'io' imported but unused (glob)
  mercurial/pycompat.py:*:* 'queue' imported but unused (glob)
  mercurial/pycompat.py:*:* 'socketserver' imported but unused (glob)
  mercurial/pycompat.py:*:* 'xmlrpc.client as xmlrpclib' imported but unused (glob)
  mercurial/util.py:*:* 'pickle' imported but unused (glob)