#
# Copyright 2014 Free Software Foundation, Inc.
#
# This file is part of GNU Radio
#
# GNU Radio is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3, or (at your option)
# any later version.
#
# GNU Radio is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with GNU Radio; see the file COPYING.  If not, write to
# the Free Software Foundation, Inc., 51 Franklin Street,
# Boston, MA 02110-1301, USA.
#

import time

from gnuradio import gr_unittest, blocks, gr, analog
from gnuradio.gr.hier_block2 import _multiple_endpoints, _optional_endpoints
import pmt


class test_hblk(gr.hier_block2):
    def __init__(self, io_sig=1*[gr.sizeof_gr_complex], ndebug=2):
        # parent constructor
        gr.hier_block2.__init__(self,
            "test_hblk",
            gr.io_signature(len(io_sig), len(io_sig), io_sig[0]),
            gr.io_signature(0,0,0))

        self.message_port_register_hier_in("msg_in");

        # Internal Stream Blocks
        self.vsnk = blocks.vector_sink_c()

        # Internal Msg Blocks
        self.blks = [];
        for i in range(0, ndebug):
            self.blks.append( blocks.message_debug() )

        # Set up internal connections
        self.connect( self, self.vsnk )
        for blk in self.blks:
            self.msg_connect( self, "msg_in", blk, "print" )


class test_hier_block2(gr_unittest.TestCase):

    def setUp(self):
        self.call_log = []
        self.Block = type("Block", (), {"to_basic_block": lambda bl: bl})

    def test_f(self, *args):
        """test doc"""
        self.call_log.append(args)

    multi = _multiple_endpoints(test_f)
    opt = _optional_endpoints(test_f)

    def test_000(self):
        self.assertEqual(self.multi.__doc__, "test doc")
        self.assertEqual(self.multi.__name__, "test_f")

    def test_001(self):
        b = self.Block()
        self.multi(b)
        self.assertEqual((b,), self.call_log[0])

    def test_002(self):
        b1, b2 = self.Block(), self.Block()
        self.multi(b1, b2)
        self.assertEqual([(b1, 0, b2, 0)], self.call_log)

    def test_003(self):
        b1, b2 = self.Block(), self.Block()
        self.multi((b1, 1), (b2, 2))
        self.assertEqual([(b1, 1, b2, 2)], self.call_log)

    def test_004(self):
        b1, b2, b3, b4 = [self.Block()] * 4
        self.multi(b1, (b2, 5), b3, (b4, 0))
        expected = [
            (b1, 0, b2, 5),
            (b2, 5, b3, 0),
            (b3, 0, b4, 0),
        ]
        self.assertEqual(expected, self.call_log)

    def test_005(self):
        with self.assertRaises(ValueError):
            self.multi((self.Block(), 5))

    def test_006(self):
        with self.assertRaises(ValueError):
            self.multi(self.Block(), (5, 5))

    def test_007(self):
        b1, b2 = self.Block(), self.Block()
        self.opt(b1, "in", b2, "out")
        self.assertEqual([(b1, "in", b2, "out")], self.call_log)

    def test_008(self):
        f, b1, b2 = self.multi, self.Block(), self.Block()
        self.opt((b1, "in"), (b2, "out"))
        self.assertEqual([(b1, "in", b2, "out")], self.call_log)

    def test_009(self):
        with self.assertRaises(ValueError):
            self.multi(self.Block(), 5)

    def test_010(self):
        s, h, k = analog.sig_source_c(44100, analog.GR_COS_WAVE, 440, 1.0, 0.0), blocks.head(gr.sizeof_gr_complex, 1000), test_hblk([gr.sizeof_gr_complex], 0)
        tb = gr.top_block()
        tb.connect(s,h,k)
        tb.run()

    def test_011(self):
        s, st, h, k = analog.sig_source_c(44100, analog.GR_COS_WAVE, 440, 1.0, 0.0), blocks.message_strobe(pmt.PMT_NIL, 100), blocks.head(gr.sizeof_gr_complex, 1000), test_hblk([gr.sizeof_gr_complex], 1)
        tb = gr.top_block()
        tb.connect(s,h,k)
        tb.msg_connect(st,"strobe",k,"msg_in")
        tb.start()
        time.sleep(1)
        tb.stop()
        tb.wait()

    def test_012(self):
        s, st, h, k = analog.sig_source_c(44100, analog.GR_COS_WAVE, 440, 1.0, 0.0), blocks.message_strobe(pmt.PMT_NIL, 100), blocks.head(gr.sizeof_gr_complex, 1000), test_hblk([gr.sizeof_gr_complex], 16)
        tb = gr.top_block()
        tb.connect(s,h,k)
        tb.msg_connect(st,"strobe",k,"msg_in")
        tb.start()
        time.sleep(1)
        tb.stop()
        tb.wait()

if __name__ == '__main__':
    gr_unittest.run(test_hier_block2, "test_hier_block2.xml")
