Add JTAG related example tests

examples/system/sysview_tracing/example_test.py

@@ -0,0 +1,60 @@
+from __future__ import unicode_literals
+from io import open
+import os
+import re
+import tempfile
+import ttfw_idf
+
+
+@ttfw_idf.idf_example_test(env_tag="test_jtag_arm")
+def test_examples_sysview_tracing(env, extra_data):
+
+    rel_project_path = os.path.join('examples', 'system', 'sysview_tracing')
+    dut = env.get_dut('sysview_tracing', rel_project_path)
+    idf_path = dut.app.get_sdk_path()
+    proj_path = os.path.join(idf_path, rel_project_path)
+    elf_path = os.path.join(dut.app.get_binary_path(rel_project_path), 'sysview_tracing.elf')
+
+    def get_temp_file():
+        with tempfile.NamedTemporaryFile(delete=False) as f:
+            return f.name
+
+    try:
+        tempfiles = [get_temp_file(), get_temp_file()]
+
+        with open(os.path.join(proj_path, 'gdbinit')) as f_in, open(tempfiles[0], 'w') as f_out:
+            new_content = f_in.read()
+            # localhost connection issue occurs in docker unless:
+            new_content = new_content.replace(':3333', '127.0.0.1:3333', 1)
+            new_content = new_content.replace('file:///tmp/sysview_example.svdat', 'file://{}'.format(tempfiles[1]), 1)
+            f_out.write(new_content)
+
+        with ttfw_idf.OCDProcess(os.path.join(proj_path, 'openocd.log')):
+            dut.start_app()
+
+            def dut_expect_task_event():
+                dut.expect(re.compile(r'example: Task\[0x3[0-9A-Fa-f]+\]: received event \d+'), timeout=30)
+
+            dut_expect_task_event()
+
+            gdb_args = '-x {} --directory={}'.format(tempfiles[0], os.path.join(proj_path, 'main'))
+            with ttfw_idf.GDBProcess(os.path.join(proj_path, 'gdb.log'), elf_path, dut.app.target, gdb_args) as gdb:
+                gdb.pexpect_proc.expect_exact('Thread 1 hit Breakpoint 1, app_main ()')
+                gdb.pexpect_proc.expect_exact('Targets connected.')
+                gdb.pexpect_proc.expect(re.compile(r'\d+'))
+
+                dut.expect('example: Created task')  # dut has been restarted by gdb since the last dut.expect()
+                dut_expect_task_event()
+
+                gdb.pexpect_proc.sendcontrol('c')
+                gdb.pexpect_proc.expect_exact('(gdb)')
+    finally:
+        for x in tempfiles:
+            try:
+                os.unlink(x)
+            except Exception:
+                pass
+
+
+if __name__ == '__main__':
+    test_examples_sysview_tracing()