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"""
Integer parameter type testcases - INT16_Max

List of tested functions :
--------------------------
    - [setParameter]  function
    - [getParameter] function

Initial Settings :
------------------
    INT16_Max :
        - size = 16
        - range : [-32768, 32767]

Test cases :
------------
    - INT16_Max parameter min value = -32768
    - INT16_Max parameter min value out of bounds = -32769
    - INT16_Max parameter max value = 32767
    - INT16_Max parameter max value out of bounds = 32768
    - INT16_Max parameter in nominal case = 50
"""
import os
from Util.PfwUnitTestLib import PfwTestCase
from Util import ACTLogging
log=ACTLogging.Logger()

# Test of type INT16_Max - range [-32768, 32767]
class TestCases(PfwTestCase):
    def setUp(self):
        self.param_name = "/Test/Test/TEST_DIR/INT16_Max"
        self.pfw.sendCmd("setTuningMode", "on")

    def tearDown(self):
        self.pfw.sendCmd("setTuningMode", "off")

    def test_Nominal_Case(self):
        """
        Testing INT16_Max in nominal case = 50
        --------------------------------------
            Test case description :
            ~~~~~~~~~~~~~~~~~~~~~~~
                - set INT16_Max parameter in nominal case = 50
            Tested commands :
            ~~~~~~~~~~~~~~~~~
                - [setParameter] function
            Used commands :
            ~~~~~~~~~~~~~~~
                - [getParameter] function
            Expected result :
            ~~~~~~~~~~~~~~~~~
                - INT16_Max parameter set to 50
                - Blackboard and filesystem values checked
        """
        log.D(self.test_Nominal_Case.__doc__)
        log.I("INT16_Max parameter in nominal case = 50")
        value = "50"
        hex_value = "0x32"
        #Set parameter value
        out, err = self.pfw.sendCmd("setParameter", self.param_name, value)
        assert err == None, log.E("when setting parameter %s : %s"
                                  % (self.param_name, err))
        assert out == "Done", log.F("when setting parameter %s : %s"
                                  % (self.param_name, out))
        #Check parameter value on blackboard
        out, err = self.pfw.sendCmd("getParameter", self.param_name, "")
        assert err == None, log.E("when setting parameter %s : %s"
                                  % (self.param_name, err))
        assert out == value, log.F("BLACKBOARD : Incorrect value for %s, expected: %s, found: %s"
                                   % (self.param_name, value, out))
        #Check parameter value on filesystem
        assert open(os.environ["PFW_RESULT"] + "/INT16_Max").read()[:-1] == hex_value, log.F("FILESYSTEM : parameter update error")
        log.I("test OK")

    def test_TypeMin(self):
        """
        Testing INT16_Max minimal value = -32768
        ----------------------------------------
            Test case description :
            ~~~~~~~~~~~~~~~~~~~~~~~
                - set INT16_Max parameter min value = -32768
            Tested commands :
            ~~~~~~~~~~~~~~~~~
                - [setParameter] function
            Used commands :
            ~~~~~~~~~~~~~~~
                - [getParameter] function
            Expected result :
            ~~~~~~~~~~~~~~~~~
                - INT16_Max parameter set to -32768
                - Blackboard and filesystem values checked
        """
        log.D(self.test_TypeMin.__doc__)
        log.I("INT16_Max parameter min value = -32768")
        value = "-32768"
        hex_value = "0x8000"
        #Set parameter value
        out, err = self.pfw.sendCmd("setParameter", self.param_name, value)
        assert err == None, log.E("when setting parameter %s : %s"
                                  % (self.param_name, err))
        assert out == "Done", log.F("when setting parameter %s : %s"
                                  % (self.param_name, out))
        #Check parameter value on blackboard
        out, err = self.pfw.sendCmd("getParameter", self.param_name, "")
        assert err == None, log.E("when setting parameter %s : %s"
                                  % (self.param_name, err))
        assert out == value, log.F("BLACKBOARD : Incorrect value for %s, expected: %s, found: %s"
                                   % (self.param_name, value, out))
        #Check parameter value on filesystem
        assert open(os.environ["PFW_RESULT"] + "/INT16_Max").read()[:-1] == hex_value, log.F("FILESYSTEM : parameter update error")
        log.I("test OK")

    def test_TypeMin_Overflow(self):
        """
        Testing INT16_Max parameter value out of negative range
        -------------------------------------------------------
            Test case description :
            ~~~~~~~~~~~~~~~~~~~~~~~
                - set INT16_Max to -32769
            Tested commands :
            ~~~~~~~~~~~~~~~~~
                - [setParameter] function
            Used commands :
            ~~~~~~~~~~~~~~~
                - [getParameter] function
            Expected result :
            ~~~~~~~~~~~~~~~~~
                - error detected
                - INT16_Max parameter not updated
                - Blackboard and filesystem values checked
        """
        log.D(self.test_TypeMin_Overflow.__doc__)
        log.I("INT16_Max parameter min value out of bounds = -32769")
        value = "-32769"
        param_check = open(os.environ["PFW_RESULT"] + "/INT16_Max").read()[:-1]
        #Set parameter value
        out, err = self.pfw.sendCmd("setParameter", self.param_name, value, expectSuccess=False)
        assert err == None, log.E("when setting parameter %s : %s"
                                  % (self.param_name, err))
        assert out != "Done", log.F("PFW : Error not detected when setting parameter %s out of bounds"
                                    % (self.param_name))
        #Check parameter value on filesystem
        assert open(os.environ["PFW_RESULT"] + "/INT16_Max").read()[:-1] == param_check, log.F("FILESYSTEM : Forbiden parameter change")
        log.I("test OK")

    def test_TypeMax(self):
        """
        Testing INT16_Max parameter maximum value
        -----------------------------------------
            Test case description :
            ~~~~~~~~~~~~~~~~~~~~~~~
                - set INT16_Max to 32767
            Tested commands :
            ~~~~~~~~~~~~~~~~~
                - [setParameter] function
            Used commands :
            ~~~~~~~~~~~~~~~
                - [getParameter] function
            Expected result :
            ~~~~~~~~~~~~~~~~~
                - INT16_Max parameter set to 32767
                - Blackboard and filesystem values checked
        """
        log.D(self.test_TypeMax.__doc__)
        log.I("INT16_Max parameter max value = 32767")
        value = "32767"
        hex_value = "0x7fff"
        #Set parameter value
        out, err = self.pfw.sendCmd("setParameter", self.param_name, value)
        assert err == None, log.E("when setting parameter %s : %s"
                                  % (self.param_name, err))
        assert out == "Done", log.F("when setting parameter %s : %s"
                                  % (self.param_name, out))
        #Check parameter value on blackboard
        out, err = self.pfw.sendCmd("getParameter", self.param_name, "")
        assert err == None, log.E("when setting parameter %s : %s"
                                  % (self.param_name, err))
        assert out == value, log.F("BLACKBOARD : Incorrect value for %s, expected: %s, found: %s"
                                   % (self.param_name, value, out))
        #Check parameter value on filesystem
        assert open(os.environ["PFW_RESULT"] + "/INT16_Max").read()[:-1] == hex_value, log.F("FILESYSTEM : parameter update error")
        log.I("test OK")

    def test_TypeMax_Overflow(self):
        """
        Testing INT16_Max parameter value out of positive range
        -------------------------------------------------------
            Test case description :
            ~~~~~~~~~~~~~~~~~~~~~~~
                - set INT16_Max to 32768
            Tested commands :
            ~~~~~~~~~~~~~~~~~
                - [setParameter] function
            Used commands :
            ~~~~~~~~~~~~~~~
                - [getParameter] function
            Expected result :
            ~~~~~~~~~~~~~~~~~
                - error detected
                - INT16_Max parameter not updated
                - Blackboard and filesystem values checked
        """
        log.D(self.test_TypeMax_Overflow.__doc__)
        log.I("INT16_Max parameter max value out of bounds = 32768")
        value = "32768"
        param_check = open(os.environ["PFW_RESULT"] + "/INT16_Max").read()[:-1]
        #Set parameter value
        out, err = self.pfw.sendCmd("setParameter", self.param_name, value, expectSuccess=False)
        assert err == None, log.E("when setting parameter %s : %s"
                                  % (self.param_name, err))
        assert out != "Done", log.F("PFW : Error not detected when setting parameter %s out of bounds"
                                    % (self.param_name))
        #Check parameter value on filesystem
        assert open(os.environ["PFW_RESULT"] + "/INT16_Max").read()[:-1] == param_check, log.F("FILESYSTEM : Forbiden parameter change")
        log.I("test OK")