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"""
Protein-Ligand Interaction Profiler - Analyze and visualize protein-ligand interactions in PDB files.
test_command_line.py - Unit Tests for special cases.
"""
import os
import subprocess
import sys
import tempfile
import unittest
class CommandLineTest(unittest.TestCase):
"""Checks special and extreme cases for input files."""
def setUp(self) -> None:
self.tmp_dir = tempfile.TemporaryDirectory()
def tearDown(self) -> None:
self.tmp_dir.cleanup()
def test_empty_input_file(self):
"""Input file is empty."""
exitcode = subprocess.call(
f"{sys.executable} ../plipcmd.py -f ./special/empty.pdb -o {self.tmp_dir.name}",
shell=True,
)
self.assertEqual(exitcode, 1)
def test_invalid_pdb_id(self):
"""A PDB ID with no valid PDB record is provided."""
exitcode = subprocess.call(
f"{sys.executable} ../plipcmd.py -i xx1x -o {self.tmp_dir.name}", shell=True
)
self.assertEqual(exitcode, 1)
def test_invalid_input_file(self):
"""A file is provided which is not a PDB file."""
exitcode = subprocess.call(
f"{sys.executable} ../plipcmd.py -f ./special/non-pdb.pdb -o {self.tmp_dir.name}",
shell=True,
)
self.assertEqual(exitcode, 1)
def test_pdb_format_not_available(self):
"""A valid PDB ID is provided, but there is no entry in PDB format from wwPDB"""
exitcode = subprocess.call(
f"{sys.executable} ../plipcmd.py -i 4v59 -o {self.tmp_dir.name}", shell=True
)
self.assertEqual(exitcode, 1)
def test_valid_pdb(self):
"""A PDB ID with no valid PDB record is provided."""
exitcode = subprocess.call(
f"{sys.executable} ../plipcmd.py -x -f ./pdb/1eve.pdb -o {self.tmp_dir.name}",
shell=True,
)
self.assertEqual(len(os.listdir(self.tmp_dir.name)), 2)
self.assertEqual(exitcode, 0)
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