ci: move more openocd scripts into pytest-embedded

examples/system/gcov/pytest_gcov.py

@@ -0,0 +1,72 @@
+# SPDX-FileCopyrightText: 2022 Espressif Systems (Shanghai) CO LTD
+# SPDX-License-Identifier: Unlicense OR CC0-1.0
+import os.path
+import time
+
+import pytest
+from pytest_embedded_idf import IdfDut
+from pytest_embedded_jtag import OpenOcd
+
+
+@pytest.mark.esp32
+@pytest.mark.jtag
+@pytest.mark.parametrize(
+    'embedded_services, no_gdb',
+    [
+        ('esp,idf,jtag', 'y'),
+    ],
+    indirect=True,
+)
+def test_gcov(dut: IdfDut, openocd: OpenOcd) -> None:
+    # create the generated .gcda folder, otherwise would have error: failed to open file.
+    # normally this folder would be created via `idf.py build`. but in CI the non-related files would not be preserved
+    os.makedirs(os.path.join(dut.app.binary_path, 'esp-idf', 'main', 'CMakeFiles', '__idf_main.dir'), exist_ok=True)
+    os.makedirs(os.path.join(dut.app.binary_path, 'esp-idf', 'sample', 'CMakeFiles', '__idf_sample.dir'), exist_ok=True)
+
+    def expect_counter_output(loop: int, timeout: int = 10) -> None:
+        dut.expect_exact(
+            [f'blink_dummy_func: Counter = {loop}', f'some_dummy_func: Counter = {loop * 2}'],
+            expect_all=True,
+            timeout=timeout,
+        )
+
+    expect_counter_output(0)
+    dut.expect('Ready to dump GCOV data...', timeout=5)
+
+    def dump_coverage(cmd: str) -> None:
+        response = openocd.write(cmd)
+
+        expect_lines = [
+            'Targets connected.',
+            'gcov_example_main.c.gcda',
+            'gcov_example_func.c.gcda',
+            'some_funcs.c.gcda',
+            'Targets disconnected.',
+        ]
+
+        for line in response.splitlines():
+            for expect in expect_lines[:]:
+                if expect in line:
+                    if expect.endswith('.gcda'):  # check file exists
+                        file_path = line.split()[-1].strip("'")
+                        assert os.path.isfile(file_path)
+
+                    expect_lines.remove(expect)
+
+        assert len(expect_lines) == 0
+
+    # Test two hard-coded dumps
+    dump_coverage('esp gcov dump')
+    dut.expect('GCOV data have been dumped.', timeout=5)
+    expect_counter_output(1)
+    dut.expect('Ready to dump GCOV data...', timeout=5)
+    dump_coverage('esp gcov dump')
+    dut.expect('GCOV data have been dumped.', timeout=5)
+
+    for i in range(2, 6):
+        expect_counter_output(i)
+
+    for _ in range(3):
+        time.sleep(1)
+        # Test instant run-time dump
+        dump_coverage('esp gcov')