"""

Part of the bsie test suite.
A copy of the license is provided with the project.
Author: Matthias Baumgartner, 2022
"""
# imports
import argparse
import contextlib
import io
import os
import unittest

# objects to test
from bsie.apps.info import main


## code ##

class TestIndex(unittest.TestCase):
    def test_predicates(self):
        outbuf = io.StringIO()
        with contextlib.redirect_stdout(outbuf):
            # show predicates infos
            main(['predicates'])
        # verify output
        self.assertSetEqual({pred for pred in outbuf.getvalue().split('\n') if pred != ''}, {
            'http://bsfs.ai/schema/Entity#author',
            'http://bsfs.ai/schema/Predicate',
            'http://bsfs.ai/schema/Entity#filename',
            'http://bsfs.ai/schema/Entity#filesize',
            })

    def test_invalid(self):
        with contextlib.redirect_stderr(io.StringIO()):
            self.assertRaises(SystemExit, main, ['foobar'])

## main ##

if __name__ == '__main__':
    unittest.main()

## EOF ##