# coding: utf-8

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# This file is part of both the OpenPBS software ("OpenPBS")
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from tests.functional import *
import json


class TestPbsnodes_json(TestFunctional):
    """
    Tests the json output of pbsnodes
    """

    def test_check_no_escape_json(self):
        """
        Test if the comment with no special characters is valid json
        """

        self.server.manager(MGR_CMD_SET, NODE,
                            {'comment': '"hiha"'}, id=self.mom.shortname)
        cmd = os.path.join(self.server.pbs_conf['PBS_EXEC'],
                           'bin', 'pbsnodes') + ' -av -Fjson'
        n_out = self.du.run_cmd(self.server.hostname, cmd=cmd)['out']

        try:
            json.loads("\n".join(n_out))
        except ValueError:
            self.assertFalse(True, "Json failed to load")

    def test_check_newline_escape_json(self):
        """
        Test if the comment with newline is valid json
        """

        self.server.manager(MGR_CMD_SET, NODE,
                            {'comment': '"hi\nha"'}, id=self.mom.shortname)
        cmd = os.path.join(self.server.pbs_conf['PBS_EXEC'],
                           'bin', 'pbsnodes') + ' -av -Fjson'
        n_out = self.du.run_cmd(self.server.hostname, cmd=cmd)['out']

        try:
            json.loads("\n".join(n_out))
        except ValueError:
            self.assertFalse(True, "Json failed to load")

    def test_check_tab_escape_json(self):
        """
        Test if the comment with tab is valid json
        """

        self.server.manager(MGR_CMD_SET, NODE,
                            {'comment': '"hi\tha"'}, id=self.mom.shortname)
        cmd = os.path.join(self.server.pbs_conf['PBS_EXEC'],
                           'bin', 'pbsnodes') + ' -av -Fjson'
        n_out = self.du.run_cmd(self.server.hostname, cmd=cmd)['out']

        try:
            json.loads("\n".join(n_out))
        except ValueError:
            self.assertFalse(True, "Json failed to load")

    def test_check_quotes_escape_json(self):
        """
        Test if the comment with quotes is valid json
        """

        self.server.manager(MGR_CMD_SET, NODE,
                            {'comment': '\'hi\"ha\''}, id=self.mom.shortname)
        cmd = os.path.join(self.server.pbs_conf['PBS_EXEC'],
                           'bin', 'pbsnodes') + ' -av -Fjson'
        n_out = self.du.run_cmd(self.server.hostname, cmd=cmd)['out']

        try:
            json.loads("\n".join(n_out))
        except ValueError:
            self.assertFalse(True, "Json failed to load")

    def test_check_reverse_solidus_escape_json(self):
        """
        Test if the comment with reverse solidus is valid json
        """

        self.server.manager(MGR_CMD_SET, NODE,
                            {'comment': '"hi\\ha"'}, id=self.mom.shortname)
        cmd = os.path.join(self.server.pbs_conf['PBS_EXEC'],
                           'bin', 'pbsnodes') + ' -av -Fjson'
        n_out = self.du.run_cmd(self.server.hostname, cmd=cmd)['out']

        try:
            json.loads("\n".join(n_out))
        except ValueError:
            self.assertFalse(True, "Json failed to load")

    def test_empty_comment_json(self):
        """
        Test an empty node comment (only a space) under json.
        """

        self.server.manager(MGR_CMD_SET, NODE,
                            {'comment': ' '}, id=self.mom.shortname)
        cmd = os.path.join(self.server.pbs_conf['PBS_EXEC'],
                           'bin', 'pbsnodes') + ' -av -Fjson'
        ret = self.du.run_cmd(self.server.hostname, cmd=cmd)
        n_out = "\n".join(ret['out'])
        try:
            json.loads(n_out)
        except ValueError:
            self.logger.info(n_out)
            self.assertFalse(True, "Json failed to load")