Diff: mbed-os/tools/host_tests/stdio_auto.py

Revision:

0:9fca2b23d0ba

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed-os/tools/host_tests/stdio_auto.py	Sat Feb 23 12:13:36 2019 +0000
@@ -0,0 +1,56 @@
+"""
+mbed SDK
+Copyright (c) 2011-2013 ARM Limited
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+"""
+
+import re
+import random
+from time import time
+
+class StdioTest():
+    PATTERN_INT_VALUE = "Your value was: (-?\d+)"
+    re_detect_int_value = re.compile(PATTERN_INT_VALUE)
+
+    def test(self, selftest):
+        test_result = True
+
+        c = selftest.mbed.serial_readline() # {{start}} preamble
+        if c is None:
+            return selftest.RESULT_IO_SERIAL
+        selftest.notify(c)
+
+        for i in range(0, 10):
+            random_integer = random.randint(-99999, 99999)
+            selftest.notify("HOST: Generated number: " + str(random_integer))
+            start = time()
+            selftest.mbed.serial_write(str(random_integer) + "\n")
+
+            serial_stdio_msg = selftest.mbed.serial_readline()
+            if serial_stdio_msg is None:
+                return selftest.RESULT_IO_SERIAL
+            delay_time = time() - start
+            selftest.notify(serial_stdio_msg.strip())
+
+            # Searching for reply with scanned values
+            m = self.re_detect_int_value.search(serial_stdio_msg)
+            if m and len(m.groups()):
+                int_value = m.groups()[0]
+                int_value_cmp = random_integer == int(int_value)
+                test_result = test_result and int_value_cmp
+                selftest.notify("HOST: Number %s read after %.3f sec ... [%s]"% (int_value, delay_time, "OK" if int_value_cmp else "FAIL"))
+            else:
+                test_result = False
+                break
+        return selftest.RESULT_SUCCESS if test_result else selftest.RESULT_FAILURE