tiny-test-fw: support save performance to junit report:

1. support get performance from DUT
2. update performance to `testcase.stdout` in JunitReport

tools/tiny-test-fw/IDF/IDFDUT.py

@@ -65,12 +65,14 @@ class IDFRecvThread(DUT.RecvThread):
     def __init__(self, read, dut):
         super(IDFRecvThread, self).__init__(read, dut)
         self.exceptions = _queue.Queue()
+        self.performances = _queue.Queue()
 
     def collect_performance(self, comp_data):
         matches = self.PERFORMANCE_PATTERN.findall(comp_data)
         for match in matches:
             Utility.console_log("[Performance][{}]: {}".format(match[0], match[1]),
                                 color="orange")
+            self.performances.put((match[0], match[1]))
 
     def detect_exception(self, comp_data):
         for pattern in self.EXCEPTION_PATTERNS:
@@ -155,6 +157,7 @@ class IDFDUT(DUT.SerialDUT):
         super(IDFDUT, self).__init__(name, port, log_file, app, **kwargs)
         self.allow_dut_exception = allow_dut_exception
         self.exceptions = _queue.Queue()
+        self.performances = _queue.Queue()
 
     @classmethod
     def get_mac(cls, app, port):
@@ -338,30 +341,48 @@ class IDFDUT(DUT.SerialDUT):
             pass
         return ret
 
+    @staticmethod
+    def _queue_read_all(source_queue):
+        output = []
+        while True:
+            try:
+                output.append(source_queue.get(timeout=0))
+            except _queue.Empty:
+                break
+        return output
+
+    def _queue_copy(self, source_queue, dest_queue):
+        data = self._queue_read_all(source_queue)
+        for d in data:
+            dest_queue.put(d)
+
+    def _get_from_queue(self, queue_name):
+        self_queue = getattr(self, queue_name)
+        if self.receive_thread:
+            recv_thread_queue = getattr(self.receive_thread, queue_name)
+            self._queue_copy(recv_thread_queue, self_queue)
+        return self._queue_read_all(self_queue)
+
     def stop_receive(self):
         if self.receive_thread:
-            while True:
-                try:
-                    self.exceptions.put(self.receive_thread.exceptions.get(timeout=0))
-                except _queue.Empty:
-                    break
+            for name in ["performances", "exceptions"]:
+                source_queue = getattr(self.receive_thread, name)
+                dest_queue = getattr(self, name)
+                self._queue_copy(source_queue, dest_queue)
         super(IDFDUT, self).stop_receive()
 
     def get_exceptions(self):
         """ Get exceptions detected by DUT receive thread. """
-        if self.receive_thread:
-            while True:
-                try:
-                    self.exceptions.put(self.receive_thread.exceptions.get(timeout=0))
-                except _queue.Empty:
-                    break
-        exceptions = []
-        while True:
-            try:
-                exceptions.append(self.exceptions.get(timeout=0))
-            except _queue.Empty:
-                break
-        return exceptions
+        return self._get_from_queue("exceptions")
+
+    def get_performance_items(self):
+        """
+        DUT receive thread will automatic collect performance results with pattern ``[Performance][name]: value\n``.
+        This method is used to get all performance results.
+
+        :return: a list of performance items.
+        """
+        return self._get_from_queue("performances")
 
     def close(self):
         super(IDFDUT, self).close()

tools/tiny-test-fw/TinyFW.py

@@ -17,6 +17,8 @@ import os
 import time
 import traceback
 import functools
+import socket
+from datetime import datetime
 
 import junit_xml
 
@@ -72,11 +74,13 @@ MANDATORY_INFO = {
 
 class JunitReport(object):
     # wrapper for junit test report
-    # TODO: Don't support by multi-thread (although not likely to be used this way).
+    # TODO: JunitReport methods are not thread safe (although not likely to be used this way).
 
     JUNIT_FILE_NAME = "XUNIT_RESULT.xml"
     JUNIT_DEFAULT_TEST_SUITE = "test-suite"
-    JUNIT_TEST_SUITE = junit_xml.TestSuite(JUNIT_DEFAULT_TEST_SUITE)
+    JUNIT_TEST_SUITE = junit_xml.TestSuite(JUNIT_DEFAULT_TEST_SUITE,
+                                           hostname=socket.gethostname(),
+                                           timestamp=datetime.utcnow().isoformat())
     JUNIT_CURRENT_TEST_CASE = None
     _TEST_CASE_CREATED_TS = 0
 
@@ -124,6 +128,18 @@ class JunitReport(object):
         cls._TEST_CASE_CREATED_TS = time.time()
         return test_case
 
+    @classmethod
+    def update_performance(cls, performance_items):
+        """
+        Update performance results to ``stdout`` of current test case.
+
+        :param performance_items: a list of performance items. each performance item is a key-value pair.
+        """
+        assert cls.JUNIT_CURRENT_TEST_CASE
+
+        for item in performance_items:
+            cls.JUNIT_CURRENT_TEST_CASE.stdout += "[{}]: {}\n".format(item[0], item[1])
+
 
 def test_method(**kwargs):
     """