#!/usr/bin/env python3
# See LICENSE for licensing information.
#
# Copyright (c) 2016-2023 Regents of the University of California and The Board
# of Regents for the Oklahoma Agricultural and Mechanical College
# (acting for and on behalf of Oklahoma State University)
# All rights reserved.
#
import sys, os
import unittest
from testutils import *

import openram
from openram import debug
from openram.sram_factory import factory
from openram import OPTS


class psram_1bank_2mux_func_test(openram_test):

    def runTest(self):
        config_file = "{}/tests/configs/config".format(os.getenv("OPENRAM_HOME"))
        openram.init_openram(config_file, is_unit_test=True)
        OPTS.analytical_delay = False
        OPTS.netlist_only = True
        OPTS.trim_netlist = False

        OPTS.bitcell = "pbitcell"
        OPTS.replica_bitcell="replica_pbitcell"
        OPTS.dummy_bitcell="dummy_pbitcell"

        OPTS.num_rw_ports = 1
        OPTS.num_r_ports = 0
        OPTS.num_w_ports = 1

        # This is a hack to reload the characterizer __init__ with the spice version
        from importlib import reload
        from openram import characterizer
        reload(characterizer)
        from openram.characterizer import functional
        from openram import sram_config
        c = sram_config(word_size=2,
                        num_words=32,
                        num_banks=1)
        c.words_per_row=2
        c.recompute_sizes()
        debug.info(1, "Functional test for {}rw,{}r,{}w psram with"
                   "{} bit words, {} words, {} words per row, {} banks".format(OPTS.num_rw_ports,
                                                                               OPTS.num_r_ports,
                                                                               OPTS.num_w_ports,
                                                                               c.word_size,
                                                                               c.num_words,
                                                                               c.words_per_row,
                                                                               c.num_banks))
        s = factory.create(module_type="sram", sram_config=c)
        f = functional(s.s)
        (fail, error) = f.run()
        self.assertTrue(fail, error)

        openram.end_openram()


# run the test from the command line
if __name__ == "__main__":
    (OPTS, args) = openram.parse_args()
    del sys.argv[1:]
    header(__file__, OPTS.tech_name)
    unittest.main(testRunner=debugTestRunner())