examples: add otatool and parttool examples

examples/system/ota/otatool/example_test.py

@@ -0,0 +1,43 @@
+from __future__ import print_function
+import os
+import sys
+import subprocess
+
+# this is a test case write with tiny-test-fw.
+# to run test cases outside tiny-test-fw,
+# we need to set environment variable `TEST_FW_PATH`,
+# then get and insert `TEST_FW_PATH` to sys path before import FW module
+test_fw_path = os.getenv('TEST_FW_PATH')
+if test_fw_path and test_fw_path not in sys.path:
+    sys.path.insert(0, test_fw_path)
+
+import TinyFW
+import IDF
+
+
+@IDF.idf_example_test(env_tag='Example_WIFI')
+def test_otatool_example(env, extra_data):
+    dut = env.get_dut('otatool', 'examples/system/ota/otatool')
+
+    # Verify factory firmware
+    dut.start_app()
+    dut.expect("OTA Tool Example")
+    dut.expect("Example end")
+
+    # Close connection to DUT
+    dut.receive_thread.exit()
+    dut.port_inst.close()
+
+    script_path = os.path.join(os.getenv("IDF_PATH"), "examples", "system", "ota", "otatool", "otatool_example.py")
+    binary_path = ""
+
+    for config in dut.download_config:
+        if "otatool.bin" in config:
+            binary_path = config
+            break
+
+    subprocess.check_call([sys.executable, script_path, "--binary", binary_path])
+
+
+if __name__ == '__main__':
+    test_otatool_example()