# -*- coding: utf-8 -*-

##########################################################################
# OpenLP - Open Source Lyrics Projection                                 #
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# Copyright (c) 2008-2022 OpenLP Developers                              #
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"""
Package to test the openlp.core.projectors.pjlink base package part 2.
"""
from unittest.mock import call, patch

import openlp.core.projectors.pjlink
from openlp.core.projectors.constants import E_NETWORK, PJLINK_PREFIX, PJLINK_SUFFIX, QSOCKET_STATE, \
    S_CONNECTED, S_NOT_CONNECTED


# ------------ Test PJLink._underscore_send_command ----------
@patch.object(openlp.core.projectors.pjlink.PJLink, 'change_status')
@patch.object(openlp.core.projectors.pjlink.PJLink, 'write')
@patch.object(openlp.core.projectors.pjlink.PJLink, 'disconnect_from_host')
@patch.object(openlp.core.projectors.pjlink.PJLink, 'state')
@patch.object(openlp.core.projectors.pjlink.PJLink, 'reset_information')
@patch.object(openlp.core.projectors.pjlink, 'log')
def test_local_send_command_network_error(mock_log, mock_reset, mock_state, mock_disconnect, mock_write,
                                          mock_change_status, pjlink):
    """
    Test _underscore_send_command when possible network error occured
    """
    # GIVEN: Test object
    test_command = '{prefix}{clss}CLSS ?{suff}'.format(prefix=PJLINK_PREFIX,
                                                       clss=pjlink.pjlink_class,
                                                       suff=PJLINK_SUFFIX)
    log_error_calls = []
    log_warning_calls = [call('({ip}) _send_command(): -1 received - '
                              'disconnecting from host'.format(ip=pjlink.name))]
    log_debug_calls = [call('({ip}) _send_command(data="None")'.format(ip=pjlink.name)),
                       call('({ip}) _send_command(): priority_queue: []'.format(ip=pjlink.name)),
                       call("({ip}) _send_command(): send_queue: ['{data}\\r']".format(ip=pjlink.name,
                                                                                       data=test_command.strip())),
                       call('({ip}) _send_command(): Connection status: S_CONNECTED'.format(ip=pjlink.name)),
                       call('({ip}) _send_command(): Getting normal queued packet'.format(ip=pjlink.name)),
                       call('({ip}) _send_command(): Sending "{data}"'.format(ip=pjlink.name,
                                                                              data=test_command.strip()))
                       ]

    mock_state.return_value = QSOCKET_STATE[S_CONNECTED]
    mock_write.return_value = -1
    pjlink.send_queue = [test_command]
    pjlink.priority_queue = []

    # WHEN: _send_command called with no data and queue's emtpy
    # Patch some attributes here since they are not available until after instantiation
    with patch.object(pjlink, 'socket_timer') as mock_timer, \
            patch.object(pjlink, 'waitForBytesWritten') as mock_waitBytes:
        mock_waitBytes.return_value = True
        pjlink._send_command()

        # THEN:
        mock_log.error.assert_has_calls(log_error_calls)
        mock_log.warning.assert_has_calls(log_warning_calls)
        mock_log.debug.assert_has_calls(log_debug_calls)
        mock_change_status.called_with(E_NETWORK, 'Error while sending data to projector')
        assert not pjlink.send_queue, 'Send queue should be empty'
        assert not pjlink.priority_queue, 'Priority queue should be empty'
        assert mock_timer.start.called, 'Timer should have been called'
        assert not mock_reset.called, 'reset_information() should not should have been called'
        assert mock_disconnect.called, 'disconnect_from_host() should have been called'
        assert pjlink.send_busy, 'send_busy should be True'


@patch.object(openlp.core.projectors.pjlink.PJLink, 'state')
@patch.object(openlp.core.projectors.pjlink.PJLink, 'reset_information')
@patch.object(openlp.core.projectors.pjlink, 'log')
def test_local_send_command_no_data(mock_log, mock_reset, mock_state, pjlink):
    """
    Test _underscore_send_command with no data to send
    """
    # GIVEN: Test object
    log_error_calls = []
    log_warning_calls = [call('({ip}) _send_command(): Nothing to send - returning'.format(ip=pjlink.name))]
    log_debug_calls = []
    mock_state.return_value = S_CONNECTED
    pjlink.send_queue = []
    pjlink.priority_queue = []

    # WHEN: _send_command called with no data and queue's emtpy
    # Patch some attributes here since they are not available until after instantiation
    with patch.object(pjlink, 'socket_timer') as mock_timer:
        pjlink._send_command()

        # THEN:
        mock_log.error.assert_has_calls(log_error_calls)
        mock_log.warning.assert_has_calls(log_warning_calls)
        mock_log.debug.assert_has_calls(log_debug_calls)
        assert not pjlink.send_queue, 'Send queue should be empty'
        assert not pjlink.priority_queue, 'Priority queue should be empty'
        assert not mock_timer.called, 'Timer should not have been called'
        assert not mock_reset.called, 'reset_information() should not have been called'


@patch.object(openlp.core.projectors.pjlink.PJLink, 'write')
@patch.object(openlp.core.projectors.pjlink.PJLink, 'disconnect_from_host')
@patch.object(openlp.core.projectors.pjlink.PJLink, 'state')
@patch.object(openlp.core.projectors.pjlink.PJLink, 'reset_information')
@patch.object(openlp.core.projectors.pjlink, 'log')
def test_local_send_command_normal_send(mock_log, mock_reset, mock_state, mock_disconnect, mock_write, pjlink):
    """
    Test _underscore_send_command using normal queue
    """
    # GIVEN: Test object
    test_command = '{prefix}{clss}CLSS ?{suff}'.format(prefix=PJLINK_PREFIX,
                                                       clss=pjlink.pjlink_class,
                                                       suff=PJLINK_SUFFIX)
    log_error_calls = []
    log_warning_calls = []
    log_debug_calls = [call('({ip}) _send_command(data="None")'.format(ip=pjlink.name)),
                       call('({ip}) _send_command(): priority_queue: []'.format(ip=pjlink.name)),
                       call("({ip}) _send_command(): send_queue: ['{data}\\r']".format(ip=pjlink.name,
                                                                                       data=test_command.strip())),
                       call('({ip}) _send_command(): Connection status: S_CONNECTED'.format(ip=pjlink.name)),
                       call('({ip}) _send_command(): Getting normal queued packet'.format(ip=pjlink.name)),
                       call('({ip}) _send_command(): Sending "{data}"'.format(ip=pjlink.name,
                                                                              data=test_command.strip()))
                       ]

    mock_state.return_value = QSOCKET_STATE[S_CONNECTED]
    mock_write.return_value = len(test_command)
    pjlink.send_queue = [test_command]
    pjlink.priority_queue = []

    # WHEN: _send_command called with no data and queue's emtpy
    # Patch some attributes here since they are not available until after instantiation
    with patch.object(pjlink, 'socket_timer') as mock_timer, \
            patch.object(pjlink, 'waitForBytesWritten') as mock_waitBytes:
        mock_waitBytes.return_value = True
        pjlink._send_command()

        # THEN:
        mock_log.error.assert_has_calls(log_error_calls)
        mock_log.warning.assert_has_calls(log_warning_calls)
        mock_log.debug.assert_has_calls(log_debug_calls)
        assert not pjlink.send_queue, 'Send queue should be empty'
        assert not pjlink.priority_queue, 'Priority queue should be empty'
        assert mock_timer.start.called, 'Timer should have been called'
        assert not mock_reset.called, 'reset_information() should not have been called'
        assert not mock_disconnect.called, 'disconnect_from_host() should not have been called'
        assert pjlink.send_busy, 'send_busy flag should be True'


@patch.object(openlp.core.projectors.pjlink.PJLink, 'disconnect_from_host')
@patch.object(openlp.core.projectors.pjlink.PJLink, 'state')
@patch.object(openlp.core.projectors.pjlink.PJLink, 'reset_information')
@patch.object(openlp.core.projectors.pjlink, 'log')
def test_local_send_command_not_connected(mock_log, mock_reset, mock_state, mock_disconnect, pjlink):
    """
    Test _underscore_send_command when not connected
    """
    # GIVEN: Test object
    test_command = '{prefix}{clss}CLSS ?{suff}'.format(prefix=PJLINK_PREFIX,
                                                       clss=pjlink.pjlink_class,
                                                       suff=PJLINK_SUFFIX)
    log_error_calls = []
    log_warning_calls = [call('({ip}) _send_command() Not connected - abort'.format(ip=pjlink.name))]
    log_debug_calls = [call('({ip}) _send_command(data="None")'.format(ip=pjlink.name)),
                       call('({ip}) _send_command(): priority_queue: []'.format(ip=pjlink.name)),
                       call("({ip}) _send_command(): send_queue: ['%1CLSS ?\\r']".format(ip=pjlink.name)),
                       call('({ip}) _send_command(): Connection status: S_OK'.format(ip=pjlink.name))]
    mock_state.return_value = S_NOT_CONNECTED
    pjlink.send_queue = [test_command]
    pjlink.priority_queue = []

    # WHEN: _send_command called with no data and queue's emtpy
    # Patch here since pjlink does not have socket_timer until after instantiation
    with patch.object(pjlink, 'socket_timer') as mock_timer:
        pjlink._send_command()

        # THEN:
        mock_log.error.assert_has_calls(log_error_calls)
        mock_log.warning.assert_has_calls(log_warning_calls)
        mock_log.debug.assert_has_calls(log_debug_calls)
        assert pjlink.send_queue == [test_command], 'Send queue should have one entry'
        assert not pjlink.priority_queue, 'Priority queue should be empty'
        assert not mock_timer.called, 'Timer should not have been called'
        assert not mock_reset.called, 'reset_information() should not have been called'
        assert mock_disconnect.called, 'disconnect_from_host() should have been called'
        assert not pjlink.send_busy, 'send_busy flag should be False'


@patch.object(openlp.core.projectors.pjlink.PJLink, 'write')
@patch.object(openlp.core.projectors.pjlink.PJLink, 'disconnect_from_host')
@patch.object(openlp.core.projectors.pjlink.PJLink, 'state')
@patch.object(openlp.core.projectors.pjlink.PJLink, 'reset_information')
@patch.object(openlp.core.projectors.pjlink, 'log')
def test_local_send_command_priority_send(mock_log, mock_reset, mock_state, mock_disconnect, mock_write, pjlink):
    """
    Test _underscore_send_command with priority queue
    """
    # GIVEN: Test object
    test_command = '{prefix}{clss}CLSS ?{suff}'.format(prefix=PJLINK_PREFIX,
                                                       clss=pjlink.pjlink_class,
                                                       suff=PJLINK_SUFFIX)
    log_error_calls = []
    log_warning_calls = []
    log_debug_calls = [call('({ip}) _send_command(data="{data}")'.format(ip=pjlink.name,
                                                                         data=test_command.strip())),
                       call('({ip}) _send_command(): priority_queue: []'.format(ip=pjlink.name)),
                       call('({ip}) _send_command(): send_queue: []'.format(ip=pjlink.name)),
                       call('({ip}) _send_command(): Connection status: S_CONNECTED'.format(ip=pjlink.name)),
                       call('({ip}) _send_command(): Priority packet - '
                            'adding to priority queue'.format(ip=pjlink.name)),
                       call('({ip}) _send_command(): Getting priority queued packet'.format(ip=pjlink.name)),
                       call('({ip}) _send_command(): Sending "{data}"'.format(ip=pjlink.name,
                                                                              data=test_command.strip()))
                       ]

    mock_state.return_value = QSOCKET_STATE[S_CONNECTED]
    mock_write.return_value = len(test_command)
    pjlink.send_queue = []
    pjlink.priority_queue = []

    # WHEN: _send_command called with no data and queue's emtpy
    # Patch some attributes here since they are not available until after instantiation
    with patch.object(pjlink, 'socket_timer') as mock_timer, \
            patch.object(pjlink, 'waitForBytesWritten') as mock_waitBytes:
        mock_waitBytes.return_value = True
        pjlink._send_command(data=test_command)

        # THEN:
        mock_log.error.assert_has_calls(log_error_calls)
        mock_log.warning.assert_has_calls(log_warning_calls)
        mock_log.debug.assert_has_calls(log_debug_calls)
        assert not pjlink.send_queue, 'Send queue should be empty'
        assert not pjlink.priority_queue, 'Priority queue should be empty'
        assert mock_timer.start.called, 'Timer should have been called'
        assert not mock_reset.called, 'reset_information() should not have been called'
        assert not mock_disconnect.called, 'disconnect_from_host() should not have been called'
        assert pjlink.send_busy, 'send_busy flag should be True'


@patch.object(openlp.core.projectors.pjlink.PJLink, 'write')
@patch.object(openlp.core.projectors.pjlink.PJLink, 'disconnect_from_host')
@patch.object(openlp.core.projectors.pjlink.PJLink, 'state')
@patch.object(openlp.core.projectors.pjlink.PJLink, 'reset_information')
@patch.object(openlp.core.projectors.pjlink, 'log')
def test_local_send_command_priority_send_with_normal_queue(mock_log, mock_reset, mock_state,
                                                            mock_disconnect, mock_write, pjlink):
    """
    Test _underscore_send_command with priority queue when normal queue active
    """
    # GIVEN: Test object
    test_command = '{prefix}{clss}CLSS ?{suff}'.format(prefix=PJLINK_PREFIX,
                                                       clss=pjlink.pjlink_class,
                                                       suff=PJLINK_SUFFIX)
    log_error_calls = []
    log_warning_calls = []
    log_debug_calls = [call('({ip}) _send_command(data="{data}")'.format(ip=pjlink.name,
                                                                         data=test_command.strip())),
                       call('({ip}) _send_command(): priority_queue: []'.format(ip=pjlink.name)),
                       call("({ip}) _send_command(): send_queue: ['{data}\\r']".format(ip=pjlink.name,
                                                                                       data=test_command.strip())),
                       call('({ip}) _send_command(): Connection status: S_CONNECTED'.format(ip=pjlink.name)),
                       call('({ip}) _send_command(): Priority packet - '
                            'adding to priority queue'.format(ip=pjlink.name)),
                       call('({ip}) _send_command(): Getting priority queued packet'.format(ip=pjlink.name)),
                       call('({ip}) _send_command(): Sending "{data}"'.format(ip=pjlink.name,
                                                                              data=test_command.strip()))
                       ]

    mock_state.return_value = QSOCKET_STATE[S_CONNECTED]
    mock_write.return_value = len(test_command)
    pjlink.send_queue = [test_command]
    pjlink.priority_queue = []

    # WHEN: _send_command called with no data and queue's emtpy
    # Patch some attributes here since they are not available until after instantiation
    with patch.object(pjlink, 'socket_timer') as mock_timer, \
            patch.object(pjlink, 'waitForBytesWritten') as mock_waitBytes:
        mock_waitBytes.return_value = True
        pjlink._send_command(data=test_command)

        # THEN:
        mock_log.error.assert_has_calls(log_error_calls)
        mock_log.warning.assert_has_calls(log_warning_calls)
        mock_log.debug.assert_has_calls(log_debug_calls)
        assert pjlink.send_queue, 'Send queue should have one entry'
        assert not pjlink.priority_queue, 'Priority queue should be empty'
        assert mock_timer.start.called, 'Timer should have been called'
        assert not mock_reset.called, 'reset_information() should not have been called'
        assert not mock_disconnect.called, 'disconnect_from_host() should not have been called'
        assert pjlink.send_busy, 'send_busy flag should be True'


@patch.object(openlp.core.projectors.pjlink.PJLink, 'state')
@patch.object(openlp.core.projectors.pjlink.PJLink, 'reset_information')
@patch.object(openlp.core.projectors.pjlink, 'log')
def test_local_send_command_send_busy_normal_queue(mock_log, mock_reset, mock_state, pjlink):
    """
    Test _underscore_send_command send_busy flag with normal queue
    """
    # GIVEN: Test object
    test_command = '{prefix}{clss}CLSS ?{suff}'.format(prefix=PJLINK_PREFIX,
                                                       clss=pjlink.pjlink_class,
                                                       suff=PJLINK_SUFFIX)
    log_error_calls = []
    log_warning_calls = []
    log_debug_calls = [call('({ip}) _send_command(data="None")'.format(ip=pjlink.name)),
                       call('({ip}) _send_command(): priority_queue: []'.format(ip=pjlink.name)),
                       call("({ip}) _send_command(): send_queue: ['{data}\\r']".format(ip=pjlink.name,
                                                                                       data=test_command.strip())),
                       call('({ip}) _send_command(): Connection status: S_CONNECTED'.format(ip=pjlink.name)),
                       call('({ip}) _send_command(): Still busy, returning'.format(ip=pjlink.name)),
                       call('({ip}) _send_command(): Priority queue = []'.format(ip=pjlink.name)),
                       call("({ip}) _send_command(): Normal queue = "
                            "['{data}\\r']".format(ip=pjlink.name, data=test_command.strip()))]

    mock_state.return_value = QSOCKET_STATE[S_CONNECTED]
    pjlink.send_busy = True
    pjlink.send_queue = [test_command]
    pjlink.priority_queue = []

    # WHEN: _send_command called with no data and queue's emtpy
    # Patch some attributes here since they are not available until after instantiation
    with patch.object(pjlink, 'socket_timer') as mock_timer:
        pjlink._send_command()

        # THEN:
        mock_log.error.assert_has_calls(log_error_calls)
        mock_log.warning.assert_has_calls(log_warning_calls)
        mock_log.debug.assert_has_calls(log_debug_calls)
        assert pjlink.send_queue, 'Send queue should have one entry'
        assert not pjlink.priority_queue, 'Priority queue should be empty'
        assert not mock_timer.start.called, 'Timer should not have been called'
        assert not mock_reset.called, 'reset_information() should not have been called'
        assert pjlink.send_busy, 'send_busy flag should be True'


@patch.object(openlp.core.projectors.pjlink.PJLink, 'state')
@patch.object(openlp.core.projectors.pjlink.PJLink, 'reset_information')
@patch.object(openlp.core.projectors.pjlink, 'log')
def test_local_send_command_send_busy_priority_queue(mock_log, mock_reset, mock_state, pjlink):
    """
    Test _underscore_send_command send_busy flag with priority queue
    """
    # GIVEN: Test object
    test_command = '{prefix}{clss}CLSS ?{suff}'.format(prefix=PJLINK_PREFIX,
                                                       clss=pjlink.pjlink_class,
                                                       suff=PJLINK_SUFFIX)
    log_error_calls = []
    log_warning_calls = []
    log_debug_calls = [call('({ip}) _send_command(data="None")'.format(ip=pjlink.name)),
                       call("({ip}) _send_command(): priority_queue: "
                            "['{data}\\r']".format(ip=pjlink.name,
                                                   data=test_command.strip())),
                       call('({ip}) _send_command(): send_queue: []'.format(ip=pjlink.name)),
                       call('({ip}) _send_command(): Connection status: S_CONNECTED'.format(ip=pjlink.name)),
                       call('({ip}) _send_command(): Still busy, returning'.format(ip=pjlink.name)),
                       call("({ip}) _send_command(): Priority queue = "
                            "['{data}\\r']".format(ip=pjlink.name, data=test_command.strip())),
                       call('({ip}) _send_command(): Normal queue = []'.format(ip=pjlink.name))
                       ]

    mock_state.return_value = QSOCKET_STATE[S_CONNECTED]
    pjlink.send_busy = True
    pjlink.send_queue = []
    pjlink.priority_queue = [test_command]

    # WHEN: _send_command called with no data and queue's emtpy
    # Patch some attributes here since they are not available until after instantiation
    with patch.object(pjlink, 'socket_timer') as mock_timer:
        pjlink._send_command()

        # THEN:
        mock_log.error.assert_has_calls(log_error_calls)
        mock_log.warning.assert_has_calls(log_warning_calls)
        mock_log.debug.assert_has_calls(log_debug_calls)
        assert not pjlink.send_queue, 'Send queue should be empty'
        assert pjlink.priority_queue, 'Priority queue should have one entry'
        assert not mock_timer.start.called, 'Timer should not have been called'
        assert not mock_reset.called, 'reset_information() should not have been called'
        assert pjlink.send_busy, 'send_busy flag should be True'


# ------------ Test PJLink.send_command ----------
@patch.object(openlp.core.projectors.pjlink.PJLink, 'state')
@patch.object(openlp.core.projectors.pjlink.PJLink, 'reset_information')
@patch.object(openlp.core.projectors.pjlink.PJLink, '_send_command')
@patch.object(openlp.core.projectors.pjlink, 'log')
def test_send_command_add_normal_command(mock_log, mock_send_command, mock_reset, mock_state, pjlink):
    """
    Test send_command adding normal queue item
    """
    # GIVEN: Test object
    test_command = '{prefix}{clss}CLSS ?{suff}'.format(prefix=PJLINK_PREFIX,
                                                       clss=pjlink.pjlink_class,
                                                       suff=PJLINK_SUFFIX)
    log_error_calls = []
    log_warning_calls = []
    log_debug_calls = [call('({ip}) send_command(): Building cmd="CLSS" opts="?" '.format(ip=pjlink.name)),
                       call('({ip}) send_command(): Adding to normal queue'.format(ip=pjlink.name))]
    mock_state.return_value = QSOCKET_STATE[S_CONNECTED]

    # Patch here since pjlink does not have priority or send queue's until instantiated
    with patch.object(pjlink, 'send_queue') as mock_send, \
            patch.object(pjlink, 'priority_queue') as mock_priority:

        # WHEN: send_command called with valid normal command
        pjlink.send_command(cmd='CLSS')

        # THEN:
        mock_send.append.called_with(test_command)
        mock_priority.append.called is False
        mock_log.debug.assert_has_calls(log_debug_calls)
        mock_log.warning.assert_has_calls(log_warning_calls)
        mock_log.error.assert_has_calls(log_error_calls)
        assert not mock_reset.called, 'reset_information() should not have been called'
        assert mock_send_command.called, '_underscore_send_command() should have been called'


@patch.object(openlp.core.projectors.pjlink.PJLink, 'state')
@patch.object(openlp.core.projectors.pjlink.PJLink, 'reset_information')
@patch.object(openlp.core.projectors.pjlink.PJLink, '_send_command')
@patch.object(openlp.core.projectors.pjlink, 'log')
def test_send_command_add_priority_command(mock_log, mock_send_command, mock_reset, mock_state, pjlink):
    """
    Test _send_command adding priority queue item
    """
    # GIVEN: Test object
    test_command = '{prefix}{clss}CLSS ?{suff}'.format(prefix=PJLINK_PREFIX,
                                                       clss=pjlink.pjlink_class,
                                                       suff=PJLINK_SUFFIX)
    log_error_calls = []
    log_warning_calls = []
    log_debug_calls = [call('({ip}) send_command(): Building cmd="CLSS" opts="?" '.format(ip=pjlink.name)),
                       call('({ip}) send_command(): Adding to priority queue'.format(ip=pjlink.name))]
    mock_state.return_value = QSOCKET_STATE[S_CONNECTED]

    # Patch here since pjlink does not have priority or send queue's until instantiated
    with patch.object(pjlink, 'send_queue') as mock_send, \
            patch.object(pjlink, 'priority_queue') as mock_priority:

        # WHEN: send_command called with valid priority command
        pjlink.send_command(cmd='CLSS', priority=True)

        # THEN:
        mock_log.debug.assert_has_calls(log_debug_calls)
        mock_log.warning.assert_has_calls(log_warning_calls)
        mock_log.error.assert_has_calls(log_error_calls)
        mock_priority.append.assert_called_with(test_command)
        assert not mock_send.append.called, 'send_queue should not have changed'
        assert not mock_reset.called, 'reset_information() should not have been called'
        assert mock_send_command.called, '_underscore_send_command() should have been called'


@patch.object(openlp.core.projectors.pjlink.PJLink, 'state')
@patch.object(openlp.core.projectors.pjlink.PJLink, 'reset_information')
@patch.object(openlp.core.projectors.pjlink.PJLink, '_send_command')
@patch.object(openlp.core.projectors.pjlink, 'log')
def test_send_command_duplicate_normal_command(mock_log, mock_send_command, mock_reset, mock_state, pjlink):
    """
    Test send_command with duplicate item for normal queue
    """
    # GIVEN: Test object
    test_command = '{prefix}{clss}CLSS ?{suff}'.format(prefix=PJLINK_PREFIX,
                                                       clss=pjlink.pjlink_class,
                                                       suff=PJLINK_SUFFIX)
    log_error_calls = []
    log_warning_calls = [call('({ip}) send_command(): Already in normal queue - '
                              'skipping'.format(ip=pjlink.name))]
    log_debug_calls = [call('({ip}) send_command(cmd="CLSS" opts="?" salt="None" '
                            'priority=False'.format(ip=pjlink.name)),
                       call('({ip}) send_command(): Building cmd="CLSS" opts="?" '.format(ip=pjlink.name))]
    mock_state.return_value = QSOCKET_STATE[S_CONNECTED]
    pjlink.send_queue = [test_command]
    pjlink.priority_queue = []

    # WHEN: send_command called with same command in normal queue
    pjlink.send_command(cmd='CLSS')

    # THEN:
    mock_log.debug.assert_has_calls(log_debug_calls)
    mock_log.warning.assert_has_calls(log_warning_calls)
    mock_log.error.assert_has_calls(log_error_calls)
    assert pjlink.send_queue == [test_command], 'Send queue should have one entry'
    assert not pjlink.priority_queue, 'Priority queue should be empty'
    assert not mock_reset.called, 'reset_information() should not have been called'
    assert mock_send_command.called, '_underscore_send_command() should have been called'


@patch.object(openlp.core.projectors.pjlink.PJLink, 'state')
@patch.object(openlp.core.projectors.pjlink.PJLink, 'reset_information')
@patch.object(openlp.core.projectors.pjlink.PJLink, '_send_command')
@patch.object(openlp.core.projectors.pjlink, 'log')
def test_send_command_duplicate_priority_command(mock_log, mock_send_command, mock_reset, mock_state, pjlink):
    """
    Test send_command with duplicate item for priority queue
    """
    # GIVEN: Test object
    test_command = '{prefix}{clss}CLSS ?{suff}'.format(prefix=PJLINK_PREFIX,
                                                       clss=pjlink.pjlink_class,
                                                       suff=PJLINK_SUFFIX)
    log_error_calls = []
    log_warning_calls = [call('({ip}) send_command(): Already in priority queue - '
                              'skipping'.format(ip=pjlink.name))]
    log_debug_calls = [call('({ip}) send_command(cmd="CLSS" opts="?" salt="None" '
                            'priority=True'.format(ip=pjlink.name)),
                       call('({ip}) send_command(): Building cmd="CLSS" opts="?" '.format(ip=pjlink.name))]
    mock_state.return_value = QSOCKET_STATE[S_CONNECTED]
    pjlink.send_queue = []
    pjlink.priority_queue = [test_command]

    # WHEN: send_command called with same command in priority queue
    pjlink.send_command(cmd='CLSS', priority=True)

    # THEN:
    mock_log.debug.assert_has_calls(log_debug_calls)
    mock_log.warning.assert_has_calls(log_warning_calls)
    mock_log.error.assert_has_calls(log_error_calls)
    assert not pjlink.send_queue, 'Send queue should be empty'
    assert pjlink.priority_queue == [test_command], 'Priority queue should have one entry'
    assert not mock_reset.called, 'reset_information() should not have been called'
    assert mock_send_command.called, '_underscore_send_command() should have been called'


@patch.object(openlp.core.projectors.pjlink.PJLink, 'state')
@patch.object(openlp.core.projectors.pjlink.PJLink, 'reset_information')
@patch.object(openlp.core.projectors.pjlink.PJLink, '_send_command')
@patch.object(openlp.core.projectors.pjlink, 'log')
def test_send_command_invalid_command_empty_queues(mock_log, mock_send_command, mock_reset, mock_state, pjlink):
    """
    Test send_command with invalid command
    """
    # GIVEN: Test object
    log_error_calls = [call('({ip}) send_command(): Invalid command requested - '
                            'ignoring.'.format(ip=pjlink.name))]
    log_warning_calls = []
    log_debug_calls = []
    mock_state.return_value = QSOCKET_STATE[S_CONNECTED]
    pjlink.send_queue = []
    pjlink.priority_queue = []

    # WHEN: send_command with invalid command
    pjlink.send_command(cmd='DONTCARE')

    # THEN:
    mock_log.debug.assert_has_calls(log_debug_calls)
    mock_log.warning.assert_has_calls(log_warning_calls)
    mock_log.error.assert_has_calls(log_error_calls)
    assert not pjlink.send_queue, 'Send queue should be empty'
    assert not pjlink.priority_queue, 'Priority queue should be empty'
    assert not mock_reset.called, 'reset_information() should not have been called'
    assert not mock_send_command.called, '_underscore_send_command() should not have been called'


@patch.object(openlp.core.projectors.pjlink.PJLink, 'state')
@patch.object(openlp.core.projectors.pjlink.PJLink, 'reset_information')
@patch.object(openlp.core.projectors.pjlink.PJLink, '_send_command')
@patch.object(openlp.core.projectors.pjlink, 'log')
def test_send_command_invalid_command_normal_queue(mock_log, mock_send_command, mock_reset, mock_state, pjlink):
    """
    Test _send_command with invalid command for normal queue
    """
    # GIVEN: Test object
    test_command = '{prefix}{clss}CLSS ?{suff}'.format(prefix=PJLINK_PREFIX,
                                                       clss=pjlink.pjlink_class,
                                                       suff=PJLINK_SUFFIX)
    log_error_calls = [call('({ip}) send_command(): Invalid command requested - '
                            'ignoring.'.format(ip=pjlink.name))]
    log_warning_calls = []
    log_debug_calls = []
    mock_state.return_value = QSOCKET_STATE[S_CONNECTED]
    pjlink.send_queue = [test_command]
    pjlink.priority_queue = []

    # WHEN: send_command with invalid command
    pjlink.send_command(cmd='DONTCARE')

    # THEN:
    mock_log.debug.assert_has_calls(log_debug_calls)
    mock_log.warning.assert_has_calls(log_warning_calls)
    mock_log.error.assert_has_calls(log_error_calls)
    assert pjlink.send_queue, 'Send queue should have one entry'
    assert not pjlink.priority_queue, 'Priority queue should be empty'
    assert not mock_reset.called, 'reset_information() should not have been called'
    assert mock_send_command.called, '_underscore_send_command() should have been called'


@patch.object(openlp.core.projectors.pjlink.PJLink, 'state')
@patch.object(openlp.core.projectors.pjlink.PJLink, 'reset_information')
@patch.object(openlp.core.projectors.pjlink.PJLink, '_send_command')
@patch.object(openlp.core.projectors.pjlink, 'log')
def test_send_command_invalid_command_priority_queue(mock_log, mock_send_command, mock_reset, mock_state, pjlink):
    """
    Test _send_command with invalid command for priority queue
    """
    # GIVEN: Test object
    test_command = '{prefix}{clss}CLSS ?{suff}'.format(prefix=PJLINK_PREFIX,
                                                       clss=pjlink.pjlink_class,
                                                       suff=PJLINK_SUFFIX)
    log_error_calls = [call('({ip}) send_command(): Invalid command requested - '
                            'ignoring.'.format(ip=pjlink.name))]
    log_warning_calls = []
    log_debug_calls = []
    mock_state.return_value = QSOCKET_STATE[S_CONNECTED]
    pjlink.send_queue = []
    pjlink.priority_queue = [test_command]

    # WHEN: send_command with invalid command
    pjlink.send_command(cmd='DONTCARE', priority=True)

    # THEN:
    mock_log.debug.assert_has_calls(log_debug_calls)
    mock_log.warning.assert_has_calls(log_warning_calls)
    mock_log.error.assert_has_calls(log_error_calls)
    assert not pjlink.send_queue, 'Send queue should be empty'
    assert pjlink.priority_queue, 'Priority queue should have one entry'
    assert not mock_reset.called, 'reset_information() should not have been called'
    assert mock_send_command.called, '_underscore_send_command() should have been called'


@patch.object(openlp.core.projectors.pjlink.PJLink, 'state')
@patch.object(openlp.core.projectors.pjlink.PJLink, 'reset_information')
@patch.object(openlp.core.projectors.pjlink.PJLink, '_send_command')
@patch.object(openlp.core.projectors.pjlink, 'log')
def test_send_command_not_connected(mock_log, mock_send_command, mock_reset, mock_state, pjlink):
    """
    Test send_command when not connected
    """
    # GIVEN: Test object
    log_error_calls = []
    log_warning_calls = [call('({ip}) send_command(): Not connected - returning'.format(ip=pjlink.name))]
    log_debug_calls = []
    mock_state.return_value = S_NOT_CONNECTED
    pjlink.send_queue = []
    pjlink.priority_queue = []

    # WHEN: send_command called when not connected
    pjlink.send_command(cmd=None)

    # THEN:
    mock_log.debug.assert_has_calls(log_debug_calls)
    mock_log.warning.assert_has_calls(log_warning_calls)
    mock_log.error.assert_has_calls(log_error_calls)
    assert not pjlink.send_queue, 'Send queue should be empty'
    assert not pjlink.priority_queue, 'Priority queue should be empty'
    assert mock_reset.called, 'reset_information() should have been called'
    assert not mock_send_command.called, '_underscore_send_command() should not have been called'