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"""

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

# bsie imports
from bsie.utils import bsfs

# 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',
            'http://bsfs.ai/schema/Entity/colors_spatial#0658f2234a054e1dd59a14462c89f7733e019160419c796356aa831498bd0a04'
            })

    def test_schema(self):
        outbuf = io.StringIO()
        with contextlib.redirect_stdout(outbuf):
            # show schema infos
            main(['schema'])
        # verify output
        schema = bsfs.schema.from_string(outbuf.getvalue())
        self.assertSetEqual({pred.uri for pred in schema.predicates()}, {
            'http://bsfs.ai/schema/Entity#author',
            'http://bsfs.ai/schema/Predicate',
            'http://bsfs.ai/schema/Entity#filename',
            'http://bsfs.ai/schema/Entity#filesize',
            'http://bsfs.ai/schema/Entity/colors_spatial#0658f2234a054e1dd59a14462c89f7733e019160419c796356aa831498bd0a04'
            })

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

## main ##

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

## EOF ##