def test_solve_field_unsolved(unsolved_fits_file):
with pytest.raises(KeyError):
fits_utils.getval(unsolved_fits_file, 'WCSAXES')
assert 'crpix0' not in fits_utils.get_wcsinfo(unsolved_fits_file)
proc = fits_utils.solve_field(unsolved_fits_file)
assert isinstance(proc, subprocess.Popen)
proc.wait()
try:
outs, errs = proc.communicate(timeout=15)
except subprocess.TimeoutExpired:
proc.kill()
outs, errs = proc.communicate()
assert proc.returncode == 0, f'{outs}\n{errs}'
wcs_info = fits_utils.get_wcsinfo(
unsolved_fits_file.replace('.fits', '.new'))
assert 'crpix0' in wcs_info
assert wcs_info['crpix0'] == 350.5 * u.pixel
for ext in ['.wcs', '.new']:
with suppress(FileNotFoundError):
os.remove(unsolved_fits_file.replace('.fits', ext))
def test_get_solve_field_solved(solved_fits_file):
orig_wcs = fits_utils.get_wcsinfo(solved_fits_file)
assert 'crpix0' in orig_wcs
solve_info = fits_utils.get_solve_field(solved_fits_file,
skip_solved=False)
assert isinstance(solve_info, dict)
# 1-based numbering from WCS.
assert 'CRPIX1' in solve_info
def test_wcsinfo(solved_fits_file):
wcsinfo = fits_utils.get_wcsinfo(solved_fits_file)
assert 'wcs_file' in wcsinfo
assert wcsinfo['ra_center'].value == 303.206422334
def test_wcsinfo(solved_fits_file):
wcsinfo = fits_utils.get_wcsinfo(solved_fits_file)
assert 'wcs_file' in wcsinfo
assert wcsinfo['ra_center'].value == pytest.approx(303.20, rel=1e-2)