#!/usr/bin/env python3
"""
Run a regression test on various srams
"""

import unittest
from testutils import header,openram_test
import sys,os
sys.path.append(os.path.join(sys.path[0],".."))
import globals
from globals import OPTS
import debug

#@unittest.skip("SKIPPING 22_sram_func_test")
class sram_func_test(openram_test):

    def runTest(self):
        globals.init_openram("config_20_{0}".format(OPTS.tech_name))
        OPTS.spice_name="ngspice"
        OPTS.analytical_delay = False
        
        # This is a hack to reload the characterizer __init__ with the spice version
        from importlib import reload
        import characterizer
        reload(characterizer)
        from characterizer import functional
        if not OPTS.spice_exe:
            debug.error("Could not find {} simulator.".format(OPTS.spice_name),-1)

        from sram import sram
        from sram_config import sram_config
        c = sram_config(word_size=4,
                        num_words=32,
                        num_banks=1)
        c.words_per_row=2
        debug.info(1, "Functional test for 1bit, 16word SRAM, with 1 bank")
        s = sram(c, name="sram1")

        tempspice = OPTS.openram_temp + "temp.sp"
        s.sp_write(tempspice)

        corner = (OPTS.process_corners[0], OPTS.supply_voltages[0], OPTS.temperatures[0])
        f = functional(s.s, tempspice, corner)
        (success, error) = f.run()

        self.assertTrue(not success,error)

        globals.end_openram()
        
# instantiate a copdsay of the class to actually run the test
if __name__ == "__main__":
    (OPTS, args) = globals.parse_args()
    del sys.argv[1:]
    header(__file__, OPTS.tech_name)
    unittest.main()