test: new test infrastructure

Change-Id: I73ca19c431743f6b39669c583d9222a6559346ef
Signed-off-by: Jan Gelety <jgelety@cisco.com>
Signed-off-by: Juraj Sloboda <jsloboda@cisco.com>
Signed-off-by: Stefan Kobza <skobza@cisco.com>
Signed-off-by: Matej Klotton <mklotton@cisco.com>
Signed-off-by: Maciek Konstantynowicz <mkonstan@cisco.com>
Signed-off-by: Damjan Marion <damarion@cisco.com>

1 files changed, 621 insertions, 0 deletions

diff --git a/test/framework.py b/test/framework.py
new file mode 100644
index 00000000..67f8a058
--- /dev/null
+++ b/test/framework.py
@@ -0,0 +1,621 @@
+#!/usr/bin/env python
+## @package framework
+#  Module to handle test case execution.
+#
+#  The module provides a set of tools for constructing and running tests and
+#  representing the results.
+
+import logging
+logging.getLogger("scapy.runtime").setLevel(logging.ERROR)
+
+import os
+import subprocess
+import unittest
+from inspect import getdoc
+
+from scapy.utils import wrpcap, rdpcap
+from scapy.packet import Raw
+
+## Static variables to store color formatting strings.
+#
+#  These variables (RED, GREEN, YELLOW and LPURPLE) are used to configure
+#  the color of the text to be printed in the terminal. Variable END is used
+#  to revert the text color to the default one.
+RED = '\033[91m'
+GREEN = '\033[92m'
+YELLOW = '\033[93m'
+LPURPLE = '\033[94m'
+END = '\033[0m'
+
+## Private class to create packet info object.
+#
+#  Help process information about the next packet.
+#  Set variables to default values.
+class _PacketInfo(object):
+    index = -1
+    src = -1
+    dst = -1
+    data = None
+    ## @var index
+    #  Integer variable to store the index of the packet.
+    ## @var src
+    #  Integer variable to store the index of the source packet generator
+    #  interface of the packet.
+    ## @var dst
+    #  Integer variable to store the index of the destination packet generator
+    #  interface of the packet.
+    ## @var data
+    #  Object variable to store the copy of the former packet.
+
+## Subclass of the python unittest.TestCase class.
+#
+#  This subclass is a base class for test cases that are implemented as classes.
+#  It provides methods to create and run test case.
+class VppTestCase(unittest.TestCase):
+
+    ## Class method to set class constants necessary to run test case.
+    #  @param cls The class pointer.
+    @classmethod
+    def setUpConstants(cls):
+        cls.vpp_bin = os.getenv('VPP_TEST_BIN', "vpp")
+        cls.vpp_api_test_bin = os.getenv("VPP_TEST_API_TEST_BIN",
+                                         "vpp-api-test")
+        cls.vpp_cmdline = [cls.vpp_bin, "unix", "nodaemon", "api-segment", "{",
+                           "prefix", "unittest", "}"]
+        cls.vpp_api_test_cmdline = [cls.vpp_api_test_bin, "chroot", "prefix",
+                                    "unittest"]
+        try:
+            cls.verbose = int(os.getenv("V", 0))
+        except:
+            cls.verbose = 0
+
+        ## @var vpp_bin
+        #  String variable to store the path to vpp (vector packet processor).
+        ## @var vpp_api_test_bin
+        #  String variable to store the path to vpp_api_test (vpp API test tool).
+        ## @var vpp_cmdline
+        #  List of command line attributes for vpp.
+        ## @var vpp_api_test_cmdline
+        #  List of command line attributes for vpp_api_test.
+        ## @var verbose
+        #  Integer variable to store required verbosity level.
+
+    ## Class method to start the test case.
+    #  1. Initiate test case constants and set test case variables to default
+    #  values.
+    #  2. Remove files from the shared memory.
+    #  3. Start vpp as a subprocess.
+    #  @param cls The class pointer.
+    @classmethod
+    def setUpClass(cls):
+        cls.setUpConstants()
+        cls.pg_streams = []
+        cls.MY_MACS = {}
+        cls.MY_IP4S = {}
+        cls.MY_IP6S = {}
+        cls.VPP_MACS = {}
+        cls.VPP_IP4S = {}
+        cls.VPP_IP6S = {}
+        cls.packet_infos = {}
+        print "=================================================================="
+        print YELLOW + getdoc(cls) + END
+        print "=================================================================="
+        os.system("rm -f /dev/shm/unittest-global_vm")
+        os.system("rm -f /dev/shm/unittest-vpe-api")
+        os.system("rm -f /dev/shm/unittest-db")
+        cls.vpp = subprocess.Popen(cls.vpp_cmdline, stderr=subprocess.PIPE)
+        ## @var pg_streams
+        #  List variable to store packet-generator streams for interfaces.
+        ## @var MY_MACS
+        #  Dictionary variable to store host MAC addresses connected to packet
+        #  generator interfaces.
+        ## @var MY_IP4S
+        #  Dictionary variable to store host IPv4 addresses connected to packet
+        #  generator interfaces.
+        ## @var MY_IP6S
+        #  Dictionary variable to store host IPv6 addresses connected to packet
+        #  generator interfaces.
+        ## @var VPP_MACS
+        #  Dictionary variable to store VPP MAC addresses of the packet
+        #  generator interfaces.
+        ## @var VPP_IP4S
+        #  Dictionary variable to store VPP IPv4 addresses of the packet
+        #  generator interfaces.
+        ## @var VPP_IP6S
+        #  Dictionary variable to store VPP IPv6 addresses of the packet
+        #  generator interfaces.
+        ## @var vpp
+        #  Test case object variable to store file descriptor of running vpp
+        #  subprocess with open pipe to the standard error stream per
+        #  VppTestCase object.
+
+    ## Class method to do cleaning when all tests (test_) defined for
+    #  VppTestCase class are finished.
+    #  1. Terminate vpp and kill all vpp instances.
+    #  2. Remove files from the shared memory.
+    #  @param cls The class pointer.
+    @classmethod
+    def quit(cls):
+        cls.vpp.terminate()
+        cls.vpp = None
+        os.system("rm -f /dev/shm/unittest-global_vm")
+        os.system("rm -f /dev/shm/unittest-vpe-api")
+        os.system("rm -f /dev/shm/unittest-db")
+
+    ## Class method to define tear down action of the VppTestCase class.
+    #  @param cls The class pointer.
+    @classmethod
+    def tearDownClass(cls):
+        cls.quit()
+
+    ## Method to define tear down VPP actions of the test case.
+    #  @param self The object pointer.
+    def tearDown(self):
+        self.cli(2, "show int")
+        self.cli(2, "show trace")
+        self.cli(2, "show hardware")
+        self.cli(2, "show ip arp")
+        self.cli(2, "show ip fib")
+        self.cli(2, "show error")
+        self.cli(2, "show run")
+
+    ## Method to define setup action of the test case.
+    #  @param self The object pointer.
+    def setUp(self):
+        self.cli(2, "clear trace")
+
+    ## Class method to print logs.
+    #  Based on set level of verbosity print text in the terminal.
+    #  @param cls The class pointer.
+    #  @param s String variable to store text to be printed.
+    #  @param v Integer variable to store required level of verbosity.
+    @classmethod
+    def log(cls, s, v=1):
+        if cls.verbose >= v:
+            print "LOG: " + LPURPLE + s + END
+
+    ## Class method to execute api commands.
+    #  Based on set level of verbosity print the output of the api command in
+    #  the terminal.
+    #  @param cls The class pointer.
+    #  @param s String variable to store api command string.
+    @classmethod
+    def api(cls, s):
+        p = subprocess.Popen(cls.vpp_api_test_cmdline,
+                             stdout=subprocess.PIPE,
+                             stdin=subprocess.PIPE,
+                             stderr=subprocess.PIPE)
+        if cls.verbose > 0:
+            print "API: " + RED + s + END
+        p.stdin.write(s)
+        out = p.communicate()[0]
+        out = out.replace("vat# ", "", 2)
+        if cls.verbose > 0:
+            if len(out) > 1:
+                print YELLOW + out + END
+        ## @var p
+        #  Object variable to store file descriptor of vpp_api_test subprocess
+        #  with open pipes to the standard output, inputs and error streams.
+        ## @var out
+        #  Tuple variable to store standard output of vpp_api_test subprocess
+        #  where the string "vat# " is replaced by empty string later.
+
+    ## Class method to execute cli commands.
+    #  Based on set level of verbosity of the log and verbosity defined by
+    #  environmental variable execute the cli command and print the output in
+    #  the terminal.
+    #  CLI command is executed via vpp API test tool (exec + cli_command)
+    #  @param cls The class pointer.
+    #  @param v Integer variable to store required level of verbosity.
+    #  @param s String variable to store cli command string.
+    @classmethod
+    def cli(cls, v, s):
+        if cls.verbose < v:
+            return
+        p = subprocess.Popen(cls.vpp_api_test_cmdline,
+                             stdout=subprocess.PIPE,
+                             stdin=subprocess.PIPE,
+                             stderr=subprocess.PIPE)
+        if cls.verbose > 0:
+            print "CLI: " + RED + s + END
+        p.stdin.write('exec ' + s)
+        out = p.communicate()[0]
+        out = out.replace("vat# ", "", 2)
+        if cls.verbose > 0:
+            if len(out) > 1:
+                print YELLOW + out + END
+        ## @var p
+        #  Object variable to store file descriptor of vpp_api_test subprocess
+        #  with open pipes to the standard output, inputs and error streams.
+        ## @var out
+        #  Tuple variable to store standard output of vpp_api_test subprocess
+        #  where the string "vat# " is replaced by empty string later.
+
+    ## Class method to create incoming packet stream for the packet-generator
+    #  interface.
+    #  Delete old /tmp/pgX_in.pcap file if exists and create the empty one and
+    #  fill it with provided packets and add it to pg_streams list.
+    #  @param cls The class pointer.
+    #  @param i Integer variable to store the index of the packet-generator
+    #  interface to create packet stream for.
+    #  @param pkts List variable to store packets to be added to the stream.
+    @classmethod
+    def pg_add_stream(cls, i, pkts):
+        os.system("sudo rm -f /tmp/pg%u_in.pcap" % i)
+        wrpcap("/tmp/pg%u_in.pcap" % i, pkts)
+        # no equivalent API command
+        cls.cli(0, "packet-generator new pcap /tmp/pg%u_in.pcap source pg%u"
+                   " name pcap%u" % (i, i, i))
+        cls.pg_streams.append('pcap%u' % i)
+
+    ## Class method to enable packet capturing for the packet-generator
+    #  interface.
+    #  Delete old /tmp/pgX_out.pcap file if exists and set the packet-generator
+    #  to capture outgoing packets to /tmp/pgX_out.pcap file.
+    #  @param cls The class pointer.
+    #  @param args List variable to store the indexes of the packet-generator
+    #  interfaces to start packet capturing for.
+    @classmethod
+    def pg_enable_capture(cls, args):
+        for i in args:
+            os.system("sudo rm -f /tmp/pg%u_out.pcap" % i)
+            cls.cli(0, "packet-generator capture pg%u pcap /tmp/pg%u_out.pcap"
+                    % (i, i))
+
+    ## Class method to start packet sending.
+    #  Start to send packets for all defined pg streams. Delete every stream
+    #  from the stream list when sent and clear the pg_streams list.
+    #  @param cls The class pointer.
+    @classmethod
+    def pg_start(cls):
+        cls.cli(2, "trace add pg-input 50")  # 50 is maximum
+        cls.cli(0, 'packet-generator enable')
+        for stream in cls.pg_streams:
+            cls.cli(0, 'packet-generator delete %s' % stream)
+        cls.pg_streams = []
+
+    ## Class method to return captured packets.
+    #  Return packet captured for the defined packet-generator interface. Open
+    #  the corresponding pcap file (/tmp/pgX_out.pcap), read the content and
+    #  store captured packets to output variable.
+    #  @param cls The class pointer.
+    #  @param o Integer variable to store the index of the packet-generator
+    #  interface.
+    #  @return output List of packets captured on the defined packet-generator
+    #  interface. If the corresponding pcap file (/tmp/pgX_out.pcap) does not
+    #  exist return empty list.
+    @classmethod
+    def pg_get_capture(cls, o):
+        pcap_filename = "/tmp/pg%u_out.pcap" % o
+        try:
+            output = rdpcap(pcap_filename)
+        except IOError:  # TODO
+            cls.log("WARNING: File %s does not exist, probably because no"
+                    " packets arrived" % pcap_filename)
+            return []
+        return output
+        ## @var pcap_filename
+        #  File descriptor to the corresponding pcap file.
+
+    ## Class method to create packet-generator interfaces.
+    #  Create packet-generator interfaces and add host MAC addresses connected
+    #  to these packet-generator interfaces to the MY_MACS dictionary.
+    #  @param cls The class pointer.
+    #  @param args List variable to store the indexes of the packet-generator
+    #  interfaces to be created.
+    @classmethod
+    def create_interfaces(cls, args):
+        for i in args:
+            cls.MY_MACS[i] = "02:00:00:00:ff:%02x" % i
+            cls.log("My MAC address is %s" % (cls.MY_MACS[i]))
+            cls.api("pg_create_interface if_id %u" % i)
+            cls.api("sw_interface_set_flags pg%u admin-up" % i)
+
+    ## Static method to extend packet to specified size
+    #  Extend provided packet to the specified size (including Ethernet FCS).
+    #  The packet is extended by adding corresponding number of spaces to the
+    #  packet payload.
+    #  NOTE: Currently works only when Raw layer is present.
+    #  @param packet Variable to store packet object.
+    #  @param size Integer variable to store the required size of the packet.
+    @staticmethod
+    def extend_packet(packet, size):
+        packet_len = len(packet) + 4
+        extend = size - packet_len
+        if extend > 0:
+            packet[Raw].load += ' ' * extend
+        ## @var packet_len
+        #  Integer variable to store the current packet length including
+        #  Ethernet FCS.
+        ## @var extend
+        #  Integer variable to store the size of the packet extension.
+
+    ## Method to add packet info object to the packet_infos list.
+    #  Extend the existing packet_infos list with the given information from
+    #  the packet.
+    #  @param self The object pointer.
+    #  @param info Object to store required information from the packet.
+    def add_packet_info_to_list(self, info):
+        info.index = len(self.packet_infos)
+        self.packet_infos[info.index] = info
+        ## @var info.index
+        # Info object attribute to store the packet order in the stream.
+        ## @var packet_infos
+        #  List variable to store required information from packets.
+
+    ## Method to create packet info object.
+    #  Create the existing packet_infos list with the given information from
+    #  the packet.
+    #  @param self The object pointer.
+    #  @param pg_id Integer variable to store the index of the packet-generator
+    #  interface.
+    def create_packet_info(self, pg_id, target_id):
+        info = _PacketInfo()
+        self.add_packet_info_to_list(info)
+        info.src = pg_id
+        info.dst = target_id
+        return info
+        ## @var info
+        #  Object to store required information from packet.
+        ## @var info.src
+        #  Info object attribute to store the index of the source packet
+        #  generator interface of the packet.
+        ## @var info.dst
+        #  Info object attribute to store the index of the destination packet
+        #  generator interface of the packet.
+
+    ## Static method to return packet info string.
+    #  Create packet info string from the provided info object that will be put
+    #  to the packet payload.
+    #  @param info Object to store required information from the packet.
+    #  @return String of information about packet's order in the stream, source
+    #  and destination packet generator interface.
+    @staticmethod
+    def info_to_payload(info):
+        return "%d %d %d" % (info.index, info.src, info.dst)
+
+    ## Static method to create packet info object from the packet payload.
+    #  Create packet info object and set its attribute values based on data
+    #  gained from the packet payload.
+    #  @param payload String variable to store packet payload.
+    #  @return info Object to store required information about the packet.
+    @staticmethod
+    def payload_to_info(payload):
+        numbers = payload.split()
+        info = _PacketInfo()
+        info.index = int(numbers[0])
+        info.src = int(numbers[1])
+        info.dst = int(numbers[2])
+        return info
+        ## @var info.index
+        #  Info object attribute to store the packet order in the stream.
+        ## @var info.src
+        #  Info object attribute to store the index of the source packet
+        #  generator interface of the packet.
+        ## @var info.dst
+        #  Info object attribute to store the index of the destination packet
+        #  generator interface of the packet.
+
+    ## Method to return packet info object of the next packet in
+    #  the packet_infos list.
+    #  Get the next packet info object from the packet_infos list by increasing
+    #  the packet_infos list index by one.
+    #  @param self The object pointer.
+    #  @param info Object to store required information about the packet.
+    #  @return packet_infos[next_index] Next info object from the packet_infos
+    #  list with stored information about packets. Return None if the end of
+    #  the list is reached.
+    def get_next_packet_info(self, info):
+        if info is None:
+            next_index = 0
+        else:
+            next_index = info.index + 1
+        if next_index == len(self.packet_infos):
+            return None
+        else:
+            return self.packet_infos[next_index]
+        ## @var next_index
+        #  Integer variable to store the index of the next info object.
+
+    ## Method to return packet info object of the next packet with the required
+    #  source packet generator interface.
+    #  Iterate over the packet_infos list and search for the next packet info
+    #  object with the required source packet generator interface.
+    #  @param self The object pointer.
+    #  @param src_pg Integer variable to store index of requested source packet
+    #  generator interface.
+    #  @param info Object to store required information about the packet.
+    #  @return packet_infos[next_index] Next info object from the packet_infos
+    #  list with stored information about packets. Return None if the end of
+    #  the list is reached.
+    def get_next_packet_info_for_interface(self, src_pg, info):
+        while True:
+            info = self.get_next_packet_info(info)
+            if info is None:
+                return None
+            if info.src == src_pg:
+                return info
+        ## @var info.src
+        #  Info object attribute to store the index of the source packet
+        #  generator interface of the packet.
+
+    ## Method to return packet info object of the next packet with required
+    #  source and destination packet generator interfaces.
+    #  Search for the next packet info object with the required source and
+    #  destination packet generator interfaces.
+    #  @param self The object pointer.
+    #  @param src_pg Integer variable to store the index of the requested source
+    #  packet generator interface.
+    #  @param dst_pg Integer variable to store the index of the requested source
+    #  packet generator interface.
+    #  @param info Object to store required information about the packet.
+    #  @return info Object with the info about the next packet with with
+    #  required source and destination packet generator interfaces. Return None
+    #  if there is no other packet with required data.
+    def get_next_packet_info_for_interface2(self, src_pg, dst_pg, info):
+        while True:
+            info = self.get_next_packet_info_for_interface(src_pg, info)
+            if info is None:
+                return None
+            if info.dst == dst_pg:
+                return info
+        ## @var info.dst
+        #  Info object attribute to store the index of the destination packet
+        #  generator interface of the packet.
+
+
+## Subclass of the python unittest.TestResult class.
+#
+#  This subclass provides methods to compile information about which tests have
+#  succeeded and which have failed.
+class VppTestResult(unittest.TestResult):
+    ## The constructor.
+    #  @param stream File descriptor to store where to report test results. Set
+    #  to the standard error stream by default.
+    #  @param descriptions Boolean variable to store information if to use test
+    #  case descriptions.
+    #  @param verbosity Integer variable to store required verbosity level.
+    def __init__(self, stream, descriptions, verbosity):
+        unittest.TestResult.__init__(self, stream, descriptions, verbosity)
+        self.stream = stream
+        self.descriptions = descriptions
+        self.verbosity = verbosity
+        self.result_string = None
+        ## @var result_string
+        #  String variable to store the test case result string.
+
+
+    ## Method called when the test case succeeds.
+    #  Run the default implementation (that does nothing) and set the result
+    #  string in case of test case success.
+    #  @param self The object pointer.
+    #  @param test Object variable to store the test case instance.
+    def addSuccess(self, test):
+        unittest.TestResult.addSuccess(self, test)
+        self.result_string = GREEN + "OK" + END
+        ## @var result_string
+        #  String variable to store the test case result string.
+
+    ## Method called when the test case signals a failure.
+    #  Run the default implementation that appends a tuple (test, formatted_err)
+    #  to the instance's failures attribute, where formatted_err is a formatted
+    #  traceback derived from err and set the result string in case of test case
+    #  success.
+    #  @param self The object pointer.
+    #  @param test Object variable to store the test case instance.
+    #  @param err Tuple variable to store the error data:
+    #  (type, value, traceback).
+    def addFailure(self, test, err):
+        unittest.TestResult.addFailure(self, test, err)
+        self.result_string = RED + "FAIL" + END
+        ## @var result_string
+        #  String variable to store the test case result string.
+
+    ## Method called when the test case raises an unexpected exception.
+    #  Run the default implementation that appends a tuple (test, formatted_err)
+    #  to the instance's error attribute, where formatted_err is a formatted
+    #  traceback derived from err and set the result string in case of test case
+    #  unexpected failure.
+    #  @param self The object pointer.
+    #  @param test Object variable to store the test case instance.
+    #  @param err Tuple variable to store the error data:
+    #  (type, value, traceback).
+    def addError(self, test, err):
+        unittest.TestResult.addError(self, test, err)
+        self.result_string = RED + "ERROR" + END
+        ## @var result_string
+        #  String variable to store the test case result string.
+
+    ## Method to get the description of the test case.
+    #  Used to get the description string from the test case object.
+    #  @param self The object pointer.
+    #  @param test Object variable to store the test case instance.
+    #  @return String of the short description if exist otherwise return test
+    #  case name string.
+    def getDescription(self, test):
+        # TODO: if none print warning not raise exception
+        short_description = test.shortDescription()
+        if self.descriptions and short_description:
+            return short_description
+        else:
+            return str(test)
+        ## @var short_description
+        #  String variable to store the short description of the test case.
+
+    ## Method called when the test case is about to be run.
+    #  Run the default implementation and based on the set verbosity level write
+    #  the starting string to the output stream.
+    #  @param self The object pointer.
+    #  @param test Object variable to store the test case instance.
+    def startTest(self, test):
+        unittest.TestResult.startTest(self, test)
+        if self.verbosity > 0:
+            self.stream.writeln("Starting " + self.getDescription(test) + " ...")
+            self.stream.writeln("------------------------------------------------------------------")
+
+    ## Method called after the test case has been executed.
+    #  Run the default implementation and based on the set verbosity level write
+    #  the result string to the output stream.
+    #  @param self The object pointer.
+    #  @param test Object variable to store the test case instance.
+    def stopTest(self, test):
+        unittest.TestResult.stopTest(self, test)
+        if self.verbosity > 0:
+            self.stream.writeln("------------------------------------------------------------------")
+            self.stream.writeln("%-60s%s" % (self.getDescription(test), self.result_string))
+            self.stream.writeln("------------------------------------------------------------------")
+        else:
+            self.stream.writeln("%-60s%s" % (self.getDescription(test), self.result_string))
+
+    ## Method to write errors and failures information to the output stream.
+    #  Write content of errors and failures lists to the output stream.
+    #  @param self The object pointer.
+    def printErrors(self):
+        self.stream.writeln()
+        self.printErrorList('ERROR', self.errors)
+        self.printErrorList('FAIL', self.failures)
+        ## @var errors
+        #  List variable containing 2-tuples of TestCase instances and strings
+        #  holding formatted tracebacks. Each tuple represents a test which
+        #  raised an unexpected exception.
+        ## @var failures
+        #  List variable containing 2-tuples of TestCase instances and strings
+        #  holding formatted tracebacks. Each tuple represents a test where
+        #  a failure was explicitly signalled using the TestCase.assert*()
+        #  methods.
+
+    ## Method to write the error information to the output stream.
+    #  Write content of error lists to the output stream together with error
+    #  type and test case description.
+    #  @param self The object pointer.
+    #  @param flavour String variable to store error type.
+    #  @param errors List variable to store 2-tuples of TestCase instances and
+    #  strings holding formatted tracebacks.
+    def printErrorList(self, flavour, errors):
+        for test, err in errors:
+            self.stream.writeln('=' * 70)
+            self.stream.writeln("%s: %s" % (flavour, self.getDescription(test)))
+            self.stream.writeln('-' * 70)
+            self.stream.writeln("%s" % err)
+        ## @var test
+        #  Object variable to store the test case instance.
+        ## @var err
+        #  String variable to store formatted tracebacks.
+
+
+## Subclass of the python unittest.TextTestRunner class.
+#
+#  A basic test runner implementation which prints results on standard error.
+class VppTestRunner(unittest.TextTestRunner):
+    ##  Class object variable to store the results of a set of tests.
+    resultclass = VppTestResult
+
+    ## Method to run the test.
+    #  Print debug message in the terminal and run the standard run() method
+    #  of the test runner collecting the result into the test result object.
+    #  @param self The object pointer.
+    #  @param test Object variable to store the test case instance.
+    #  @return Test result object of the VppTestRunner.
+    def run(self, test):
+        print "Running tests using custom test runner"  # debug message
+        return super(VppTestRunner, self).run(test)