Add system example tests

examples/system/base_mac_address/example_test.py

@@ -0,0 +1,33 @@
+from __future__ import unicode_literals
+from tiny_test_fw import Utility
+import re
+import ttfw_idf
+
+
+@ttfw_idf.idf_example_test(env_tag='Example_WIFI')
+def test_examples_base_mac_address(env, extra_data):
+
+    dut = env.get_dut('base_mac_address', 'examples/system/base_mac_address')
+    dut.start_app()
+
+    dut.expect('BASE_MAC: Base MAC Address read from EFUSE BLK0', timeout=30)
+    hex_r = r', '.join((r'0x([0-9a-f]{1,2})',) * 6)
+    mac_m = dut.expect(re.compile(r'BASE_MAC: Using "' + hex_r + r'" as base MAC address'), timeout=5)
+    Utility.console_log('BASE_MAC detected: {}'.format(':'.join(mac_m)))
+
+    def get_expected_mac_string(increment):
+        '''
+        Return the string representation of the MAC address mac_m with the last octet incremented.
+        mac_m is an array of strings in hexa-decimal format without the '0x' prefix.
+        '''
+        return ', '.join(['0x{}'.format(m) for m in mac_m[:-1]] + [hex(int(mac_m[-1], 16) + increment)])
+
+    dut.expect_all('WIFI_STA MAC: ' + get_expected_mac_string(0),
+                   'SoftAP MAC: ' + get_expected_mac_string(1),
+                   'BT MAC: ' + get_expected_mac_string(2),
+                   'Ethernet MAC: ' + get_expected_mac_string(3),
+                   timeout=10)
+
+
+if __name__ == '__main__':
+    test_examples_base_mac_address()