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"""
DPDK Test suite.

This TestSuite runs the unit tests included in DPDK for KNI feature.
"""

from test_case import TestCase

#
#
# Test class.
#


class TestUnitTestsKni(TestCase):

    #
    #
    # Utility methods and other non-test code.
    #

    def insmod_kni(self):

        out = self.dut.send_expect('lsmod | grep rte_kni', "# ")

        if "rte_kni" in out:
            self.dut.send_expect('rmmod rte_kni.ko', "# ")

        out = self.dut.send_expect('insmod ./%s/kmod/rte_kni.ko lo_mode=lo_mode_fifo' % (self.target), "# ")

        self.verify("Error" not in out, "Error loading KNI module: " + out)

    #
    #
    #
    # Test cases.
    #
    def set_up_all(self):
        """
        Run at the start of each test suite.

        KNI Prerequisites
        """

        self.insmod_kni()

    def set_up(self):
        """
        Run before each test case.
        """
        pass

    def test_kni(self):
        """
        Run kni autotest.
        """
        self.dut.send_expect("./%s/app/test -n 1 -c fffe" % self.target, "R.*T.*E.*>.*>", 60)
        out = self.dut.send_expect("kni_autotest", "RTE>>", 60)
        self.dut.send_expect("quit", "# ")

        self.verify('Test OK' in out, 'Test Failed')

    def tear_down(self):
        """
        Run after each test case.
        """
        pass

    def tear_down_all(self):
        """
        Run after each test suite.
        """
        self.dut.send_expect("rmmod rte_kni", "# ", 5)