ci: Migrate app_update unit tests from unit-test-app to component-test-app

components/app_update/test_apps/pytest_app_update_ut.py

@@ -0,0 +1,31 @@
+# SPDX-FileCopyrightText: 2022 Espressif Systems (Shanghai) CO LTD
+# SPDX-License-Identifier: Unlicense OR CC0-1.0
+import re
+
+import pytest
+from pytest_embedded import Dut
+
+DEFAULT_TIMEOUT = 20
+TEST_SUBMENU_PATTERN_PYTEST = re.compile(rb'\s+\((\d+)\)\s+"([^"]+)"\r?\n')
+
+
+def run_multiple_stages(dut: Dut, test_case_num: int, stages: int) -> None:
+    for stage in range(1, stages + 1):
+        dut.write(str(test_case_num))
+        dut.expect(TEST_SUBMENU_PATTERN_PYTEST, timeout=DEFAULT_TIMEOUT)
+        dut.write(str(stage))
+        if stage != stages:
+            dut.expect_exact('Press ENTER to see the list of tests.')
+
+
+@pytest.mark.supported_targets
+@pytest.mark.generic
+def test_app_update(dut: Dut) -> None:
+    extra_data = dut.parse_test_menu()
+    for test_case in extra_data:
+        if test_case.type != 'multi_stage':
+            dut.write(str(test_case.index))
+        else:
+            run_multiple_stages(dut, test_case.index, len(test_case.subcases))
+        dut.expect_unity_test_output(timeout=90)
+        dut.expect_exact("Enter next test, or 'enter' to see menu")