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test_f2py2e.py
import textwrap, re, sys, subprocess, shlex from pathlib import Path from collections import namedtuple import pytest from . import util from numpy.f2py.f2py2e import main as f2pycli ######################### # CLI utils and classes # ######################### PPaths = namedtuple("PPaths", "finp, f90inp, pyf, wrap77, wrap90, cmodf") def get_io_paths(fname_inp, mname="untitled"): """Takes in a temporary file for testing and returns the expected output and input paths Here expected output is essentially one of any of the possible generated files. ..note:: Since this does not actually run f2py, none of these are guaranteed to exist, and module names are typically incorrect Parameters ---------- fname_inp : str The input filename mname : str, optional The name of the module, untitled by default Returns ------- genp : NamedTuple PPaths The possible paths which are generated, not all of which exist """ bpath = Path(fname_inp) return PPaths( finp=bpath.with_suffix(".f"), f90inp=bpath.with_suffix(".f90"), pyf=bpath.with_suffix(".pyf"), wrap77=bpath.with_name(f"{mname}-f2pywrappers.f"), wrap90=bpath.with_name(f"{mname}-f2pywrappers2.f90"), cmodf=bpath.with_name(f"{mname}module.c"), ) ############## # CLI Fixtures and Tests # ############# @pytest.fixture(scope="session") def hello_world_f90(tmpdir_factory): """Generates a single f90 file for testing""" fdat = util.getpath("tests", "src", "cli", "hiworld.f90").read_text() fn = tmpdir_factory.getbasetemp() / "hello.f90" fn.write_text(fdat, encoding="ascii") return fn @pytest.fixture(scope="session") def gh23598_warn(tmpdir_factory): """F90 file for testing warnings in gh23598""" fdat = util.getpath("tests", "src", "crackfortran", "gh23598Warn.f90").read_text() fn = tmpdir_factory.getbasetemp() / "gh23598Warn.f90" fn.write_text(fdat, encoding="ascii") return fn @pytest.fixture(scope="session") def hello_world_f77(tmpdir_factory): """Generates a single f77 file for testing""" fdat = util.getpath("tests", "src", "cli", "hi77.f").read_text() fn = tmpdir_factory.getbasetemp() / "hello.f" fn.write_text(fdat, encoding="ascii") return fn @pytest.fixture(scope="session") def retreal_f77(tmpdir_factory): """Generates a single f77 file for testing""" fdat = util.getpath("tests", "src", "return_real", "foo77.f").read_text() fn = tmpdir_factory.getbasetemp() / "foo.f" fn.write_text(fdat, encoding="ascii") return fn @pytest.fixture(scope="session") def f2cmap_f90(tmpdir_factory): """Generates a single f90 file for testing""" fdat = util.getpath("tests", "src", "f2cmap", "isoFortranEnvMap.f90").read_text() f2cmap = util.getpath("tests", "src", "f2cmap", ".f2py_f2cmap").read_text() fn = tmpdir_factory.getbasetemp() / "f2cmap.f90" fmap = tmpdir_factory.getbasetemp() / "mapfile" fn.write_text(fdat, encoding="ascii") fmap.write_text(f2cmap, encoding="ascii") return fn def test_gh23598_warn(capfd, gh23598_warn, monkeypatch): foutl = get_io_paths(gh23598_warn, mname="test") ipath = foutl.f90inp monkeypatch.setattr( sys, "argv", f'f2py {ipath} -m test'.split()) with util.switchdir(ipath.parent): f2pycli() # Generate files wrapper = foutl.wrap90.read_text() assert "intproductf2pywrap, intpr" not in wrapper def test_gen_pyf(capfd, hello_world_f90, monkeypatch): """Ensures that a signature file is generated via the CLI CLI :: -h """ ipath = Path(hello_world_f90) opath = Path(hello_world_f90).stem + ".pyf" monkeypatch.setattr(sys, "argv", f'f2py -h {opath} {ipath}'.split()) with util.switchdir(ipath.parent): f2pycli() # Generate wrappers out, _ = capfd.readouterr() assert "Saving signatures to file" in out assert Path(f'{opath}').exists() def test_gen_pyf_stdout(capfd, hello_world_f90, monkeypatch): """Ensures that a signature file can be dumped to stdout CLI :: -h """ ipath = Path(hello_world_f90) monkeypatch.setattr(sys, "argv", f'f2py -h stdout {ipath}'.split()) with util.switchdir(ipath.parent): f2pycli() out, _ = capfd.readouterr() assert "Saving signatures to file" in out assert "function hi() ! in " in out def test_gen_pyf_no_overwrite(capfd, hello_world_f90, monkeypatch): """Ensures that the CLI refuses to overwrite signature files CLI :: -h without --overwrite-signature """ ipath = Path(hello_world_f90) monkeypatch.setattr(sys, "argv", f'f2py -h faker.pyf {ipath}'.split()) with util.switchdir(ipath.parent): Path("faker.pyf").write_text("Fake news", encoding="ascii") with pytest.raises(SystemExit): f2pycli() # Refuse to overwrite _, err = capfd.readouterr() assert "Use --overwrite-signature to overwrite" in err @pytest.mark.xfail def test_f2py_skip(capfd, retreal_f77, monkeypatch): """Tests that functions can be skipped CLI :: skip: """ foutl = get_io_paths(retreal_f77, mname="test") ipath = foutl.finp toskip = "t0 t4 t8 sd s8 s4" remaining = "td s0" monkeypatch.setattr( sys, "argv", f'f2py {ipath} -m test skip: {toskip}'.split()) with util.switchdir(ipath.parent): f2pycli() out, err = capfd.readouterr() for skey in toskip.split(): assert ( f'buildmodule: Could not found the body of interfaced routine "{skey}". Skipping.' in err) for rkey in remaining.split(): assert f'Constructing wrapper function "{rkey}"' in out def test_f2py_only(capfd, retreal_f77, monkeypatch): """Test that functions can be kept by only: CLI :: only: """ foutl = get_io_paths(retreal_f77, mname="test") ipath = foutl.finp toskip = "t0 t4 t8 sd s8 s4" tokeep = "td s0" monkeypatch.setattr( sys, "argv", f'f2py {ipath} -m test only: {tokeep}'.split()) with util.switchdir(ipath.parent): f2pycli() out, err = capfd.readouterr() for skey in toskip.split(): assert ( f'buildmodule: Could not find the body of interfaced routine "{skey}". Skipping.' in err) for rkey in tokeep.split(): assert f'Constructing wrapper function "{rkey}"' in out def test_file_processing_switch(capfd, hello_world_f90, retreal_f77, monkeypatch): """Tests that it is possible to return to file processing mode CLI :: : BUG: numpy-gh #20520 """ foutl = get_io_paths(retreal_f77, mname="test") ipath = foutl.finp toskip = "t0 t4 t8 sd s8 s4" ipath2 = Path(hello_world_f90) tokeep = "td s0 hi" # hi is in ipath2 mname = "blah" monkeypatch.setattr( sys, "argv", f'f2py {ipath} -m {mname} only: {tokeep} : {ipath2}'.split( ), ) with util.switchdir(ipath.parent): f2pycli() out, err = capfd.readouterr() for skey in toskip.split(): assert ( f'buildmodule: Could not find the body of interfaced routine "{skey}". Skipping.' in err) for rkey in tokeep.split(): assert f'Constructing wrapper function "{rkey}"' in out def test_mod_gen_f77(capfd, hello_world_f90, monkeypatch): """Checks the generation of files based on a module name CLI :: -m """ MNAME = "hi" foutl = get_io_paths(hello_world_f90, mname=MNAME) ipath = foutl.f90inp monkeypatch.setattr(sys, "argv", f'f2py {ipath} -m {MNAME}'.split()) with util.switchdir(ipath.parent): f2pycli() # Always generate C module assert Path.exists(foutl.cmodf) # File contains a function, check for F77 wrappers assert Path.exists(foutl.wrap77) def test_lower_cmod(capfd, hello_world_f77, monkeypatch): """Lowers cases by flag or when -h is present CLI :: --[no-]lower """ foutl = get_io_paths(hello_world_f77, mname="test") ipath = foutl.finp capshi = re.compile(r"HI\(\)") capslo = re.compile(r"hi\(\)") # Case I: --lower is passed monkeypatch.setattr(sys, "argv", f'f2py {ipath} -m test --lower'.split()) with util.switchdir(ipath.parent): f2pycli() out, _ = capfd.readouterr() assert capslo.search(out) is not None assert capshi.search(out) is None # Case II: --no-lower is passed monkeypatch.setattr(sys, "argv", f'f2py {ipath} -m test --no-lower'.split()) with util.switchdir(ipath.parent): f2pycli() out, _ = capfd.readouterr() assert capslo.search(out) is None assert capshi.search(out) is not None def test_lower_sig(capfd, hello_world_f77, monkeypatch): """Lowers cases in signature files by flag or when -h is present CLI :: --[no-]lower -h """ foutl = get_io_paths(hello_world_f77, mname="test") ipath = foutl.finp # Signature files capshi = re.compile(r"Block: HI") capslo = re.compile(r"Block: hi") # Case I: --lower is implied by -h # TODO: Clean up to prevent passing --overwrite-signature monkeypatch.setattr( sys, "argv", f'f2py {ipath} -h {foutl.pyf} -m test --overwrite-signature'.split(), ) with util.switchdir(ipath.parent): f2pycli() out, _ = capfd.readouterr() assert capslo.search(out) is not None assert capshi.search(out) is None # Case II: --no-lower overrides -h monkeypatch.setattr( sys, "argv", f'f2py {ipath} -h {foutl.pyf} -m test --overwrite-signature --no-lower' .split(), ) with util.switchdir(ipath.parent): f2pycli() out, _ = capfd.readouterr() assert capslo.search(out) is None assert capshi.search(out) is not None def test_build_dir(capfd, hello_world_f90, monkeypatch): """Ensures that the build directory can be specified CLI :: --build-dir """ ipath = Path(hello_world_f90) mname = "blah" odir = "tttmp" monkeypatch.setattr(sys, "argv", f'f2py -m {mname} {ipath} --build-dir {odir}'.split()) with util.switchdir(ipath.parent): f2pycli() out, _ = capfd.readouterr() assert f"Wrote C/API module \"{mname}\"" in out def test_overwrite(capfd, hello_world_f90, monkeypatch): """Ensures that the build directory can be specified CLI :: --overwrite-signature """ ipath = Path(hello_world_f90) monkeypatch.setattr( sys, "argv", f'f2py -h faker.pyf {ipath} --overwrite-signature'.split()) with util.switchdir(ipath.parent): Path("faker.pyf").write_text("Fake news", encoding="ascii") f2pycli() out, _ = capfd.readouterr() assert "Saving signatures to file" in out def test_latexdoc(capfd, hello_world_f90, monkeypatch): """Ensures that TeX documentation is written out CLI :: --latex-doc """ ipath = Path(hello_world_f90) mname = "blah" monkeypatch.setattr(sys, "argv", f'f2py -m {mname} {ipath} --latex-doc'.split()) with util.switchdir(ipath.parent): f2pycli() out, _ = capfd.readouterr() assert "Documentation is saved to file" in out with Path(f"{mname}module.tex").open() as otex: assert "\\documentclass" in otex.read() def test_nolatexdoc(capfd, hello_world_f90, monkeypatch): """Ensures that TeX documentation is written out CLI :: --no-latex-doc """ ipath = Path(hello_world_f90) mname = "blah" monkeypatch.setattr(sys, "argv", f'f2py -m {mname} {ipath} --no-latex-doc'.split()) with util.switchdir(ipath.parent): f2pycli() out, _ = capfd.readouterr() assert "Documentation is saved to file" not in out def test_shortlatex(capfd, hello_world_f90, monkeypatch): """Ensures that truncated documentation is written out TODO: Test to ensure this has no effect without --latex-doc CLI :: --latex-doc --short-latex """ ipath = Path(hello_world_f90) mname = "blah" monkeypatch.setattr( sys, "argv", f'f2py -m {mname} {ipath} --latex-doc --short-latex'.split(), ) with util.switchdir(ipath.parent): f2pycli() out, _ = capfd.readouterr() assert "Documentation is saved to file" in out with Path(f"./{mname}module.tex").open() as otex: assert "\\documentclass" not in otex.read() def test_restdoc(capfd, hello_world_f90, monkeypatch): """Ensures that RsT documentation is written out CLI :: --rest-doc """ ipath = Path(hello_world_f90) mname = "blah" monkeypatch.setattr(sys, "argv", f'f2py -m {mname} {ipath} --rest-doc'.split()) with util.switchdir(ipath.parent): f2pycli() out, _ = capfd.readouterr() assert "ReST Documentation is saved to file" in out with Path(f"./{mname}module.rest").open() as orst: assert r".. -*- rest -*-" in orst.read() def test_norestexdoc(capfd, hello_world_f90, monkeypatch): """Ensures that TeX documentation is written out CLI :: --no-rest-doc """ ipath = Path(hello_world_f90) mname = "blah" monkeypatch.setattr(sys, "argv", f'f2py -m {mname} {ipath} --no-rest-doc'.split()) with util.switchdir(ipath.parent): f2pycli() out, _ = capfd.readouterr() assert "ReST Documentation is saved to file" not in out def test_debugcapi(capfd, hello_world_f90, monkeypatch): """Ensures that debugging wrappers are written CLI :: --debug-capi """ ipath = Path(hello_world_f90) mname = "blah" monkeypatch.setattr(sys, "argv", f'f2py -m {mname} {ipath} --debug-capi'.split()) with util.switchdir(ipath.parent): f2pycli() with Path(f"./{mname}module.c").open() as ocmod: assert r"#define DEBUGCFUNCS" in ocmod.read() @pytest.mark.xfail(reason="Consistently fails on CI.") def test_debugcapi_bld(hello_world_f90, monkeypatch): """Ensures that debugging wrappers work CLI :: --debug-capi -c """ ipath = Path(hello_world_f90) mname = "blah" monkeypatch.setattr(sys, "argv", f'f2py -m {mname} {ipath} -c --debug-capi'.split()) with util.switchdir(ipath.parent): f2pycli() cmd_run = shlex.split("python3 -c \"import blah; blah.hi()\"") rout = subprocess.run(cmd_run, capture_output=True, encoding='UTF-8') eout = ' Hello World\n' eerr = textwrap.dedent("""\ debug-capi:Python C/API function blah.hi() debug-capi:float hi=:output,hidden,scalar debug-capi:hi=0 debug-capi:Fortran subroutine `f2pywraphi(&hi)' debug-capi:hi=0 debug-capi:Building return value. debug-capi:Python C/API function blah.hi: successful. debug-capi:Freeing memory. """) assert rout.stdout == eout assert rout.stderr == eerr def test_wrapfunc_def(capfd, hello_world_f90, monkeypatch): """Ensures that fortran subroutine wrappers for F77 are included by default CLI :: --[no]-wrap-functions """ # Implied ipath = Path(hello_world_f90) mname = "blah" monkeypatch.setattr(sys, "argv", f'f2py -m {mname} {ipath}'.split()) with util.switchdir(ipath.parent): f2pycli() out, _ = capfd.readouterr() assert r"Fortran 77 wrappers are saved to" in out # Explicit monkeypatch.setattr(sys, "argv", f'f2py -m {mname} {ipath} --wrap-functions'.split()) with util.switchdir(ipath.parent): f2pycli() out, _ = capfd.readouterr() assert r"Fortran 77 wrappers are saved to" in out def test_nowrapfunc(capfd, hello_world_f90, monkeypatch): """Ensures that fortran subroutine wrappers for F77 can be disabled CLI :: --no-wrap-functions """ ipath = Path(hello_world_f90) mname = "blah" monkeypatch.setattr(sys, "argv", f'f2py -m {mname} {ipath} --no-wrap-functions'.split()) with util.switchdir(ipath.parent): f2pycli() out, _ = capfd.readouterr() assert r"Fortran 77 wrappers are saved to" not in out def test_inclheader(capfd, hello_world_f90, monkeypatch): """Add to the include directories CLI :: -include TODO: Document this in the help string """ ipath = Path(hello_world_f90) mname = "blah" monkeypatch.setattr( sys, "argv", f'f2py -m {mname} {ipath} -include<stdbool.h> -include<stdio.h> '. split(), ) with util.switchdir(ipath.parent): f2pycli() with Path(f"./{mname}module.c").open() as ocmod: ocmr = ocmod.read() assert "#include <stdbool.h>" in ocmr assert "#include <stdio.h>" in ocmr def test_inclpath(): """Add to the include directories CLI :: --include-paths """ # TODO: populate pass def test_hlink(): """Add to the include directories CLI :: --help-link """ # TODO: populate pass def test_f2cmap(capfd, f2cmap_f90, monkeypatch): """Check that Fortran-to-Python KIND specs can be passed CLI :: --f2cmap """ ipath = Path(f2cmap_f90) monkeypatch.setattr(sys, "argv", f'f2py -m blah {ipath} --f2cmap mapfile'.split()) with util.switchdir(ipath.parent): f2pycli() out, _ = capfd.readouterr() assert "Reading f2cmap from 'mapfile' ..." in out assert "Mapping \"real(kind=real32)\" to \"float\"" in out assert "Mapping \"real(kind=real64)\" to \"double\"" in out assert "Mapping \"integer(kind=int64)\" to \"long_long\"" in out assert "Successfully applied user defined f2cmap changes" in out def test_quiet(capfd, hello_world_f90, monkeypatch): """Reduce verbosity CLI :: --quiet """ ipath = Path(hello_world_f90) monkeypatch.setattr(sys, "argv", f'f2py -m blah {ipath} --quiet'.split()) with util.switchdir(ipath.parent): f2pycli() out, _ = capfd.readouterr() assert len(out) == 0 def test_verbose(capfd, hello_world_f90, monkeypatch): """Increase verbosity CLI :: --verbose """ ipath = Path(hello_world_f90) monkeypatch.setattr(sys, "argv", f'f2py -m blah {ipath} --verbose'.split()) with util.switchdir(ipath.parent): f2pycli() out, _ = capfd.readouterr() assert "analyzeline" in out def test_version(capfd, monkeypatch): """Ensure version CLI :: -v """ monkeypatch.setattr(sys, "argv", 'f2py -v'.split()) # TODO: f2py2e should not call sys.exit() after printing the version with pytest.raises(SystemExit): f2pycli() out, _ = capfd.readouterr() import numpy as np assert np.__version__ == out.strip() @pytest.mark.xfail(reason="Consistently fails on CI.") def test_npdistop(hello_world_f90, monkeypatch): """ CLI :: -c """ ipath = Path(hello_world_f90) monkeypatch.setattr(sys, "argv", f'f2py -m blah {ipath} -c'.split()) with util.switchdir(ipath.parent): f2pycli() cmd_run = shlex.split("python -c \"import blah; blah.hi()\"") rout = subprocess.run(cmd_run, capture_output=True, encoding='UTF-8') eout = ' Hello World\n' assert rout.stdout == eout # Numpy distutils flags # TODO: These should be tested separately def test_npd_fcompiler(): """ CLI :: -c --fcompiler """ # TODO: populate pass def test_npd_compiler(): """ CLI :: -c --compiler """ # TODO: populate pass def test_npd_help_fcompiler(): """ CLI :: -c --help-fcompiler """ # TODO: populate pass def test_npd_f77exec(): """ CLI :: -c --f77exec """ # TODO: populate pass def test_npd_f90exec(): """ CLI :: -c --f90exec """ # TODO: populate pass def test_npd_f77flags(): """ CLI :: -c --f77flags """ # TODO: populate pass def test_npd_f90flags(): """ CLI :: -c --f90flags """ # TODO: populate pass def test_npd_opt(): """ CLI :: -c --opt """ # TODO: populate pass def test_npd_arch(): """ CLI :: -c --arch """ # TODO: populate pass def test_npd_noopt(): """ CLI :: -c --noopt """ # TODO: populate pass def test_npd_noarch(): """ CLI :: -c --noarch """ # TODO: populate pass def test_npd_debug(): """ CLI :: -c --debug """ # TODO: populate pass def test_npd_link_auto(): """ CLI :: -c --link-<resource> """ # TODO: populate pass def test_npd_lib(): """ CLI :: -c -L/path/to/lib/ -l<libname> """ # TODO: populate pass def test_npd_define(): """ CLI :: -D<define> """ # TODO: populate pass def test_npd_undefine(): """ CLI :: -U<name> """ # TODO: populate pass def test_npd_incl(): """ CLI :: -I/path/to/include/ """ # TODO: populate pass def test_npd_linker(): """ CLI :: <filename>.o <filename>.so <filename>.a """ # TODO: populate pass
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