esp-idf/examples/system/app_trace_to_host/example_test.py

from __future__ import unicode_literals
import os
import re
import ttfw_idf


@ttfw_idf.idf_example_test(env_tag="test_jtag_arm")
def test_examples_app_trace_to_host(env, extra_data):

    rel_project_path = os.path.join('examples', 'system', 'app_trace_to_host')
    dut = env.get_dut('app_trace_to_host', rel_project_path)
    idf_path = dut.app.get_sdk_path()
    proj_path = os.path.join(idf_path, rel_project_path)

    with ttfw_idf.OCDBackend(os.path.join(proj_path, 'openocd.log'), dut.app.target) as ocd:
        dut.start_app()
        dut.expect_all('example: Enabling ADC1 on channel 6 / GPIO34.',
                       'example: Enabling CW generator on DAC channel 1',
                       'example: Custom divider of RTC 8 MHz clock has been set.',
                       'example: Sampling ADC and sending data to the host...',
                       re.compile(r'example: Collected \d+ samples in 20 ms.'),
                       'example: Sampling ADC and sending data to the UART...',
                       re.compile(r'example: Sample:\d, Value:\d+'),
                       re.compile(r'example: Collected \d+ samples in 20 ms.'),
                       timeout=20)

        response = ocd.cmd_exec('esp apptrace start file://adc.log 0 9000 5 0 0')
        with open(os.path.join(proj_path, 'telnet.log'), 'w') as f:
            f.write(response)
        assert('Data: blocks incomplete 0, lost bytes: 0' in response)

    with ttfw_idf.CustomProcess(' '.join([os.path.join(idf_path, 'tools/esp_app_trace/logtrace_proc.py'),
                                          'adc.log',
                                          os.path.join(dut.app.get_binary_path(rel_project_path),
                                                       'app_trace_to_host.elf')]),
                                logfile='logtrace_proc.log') as logtrace:
        logtrace.pexpect_proc.expect_exact('Parse trace file')
        logtrace.pexpect_proc.expect_exact('Parsing completed.')
        logtrace.pexpect_proc.expect_exact('====================================================================')
        logtrace.pexpect_proc.expect(re.compile(r'example: Sample:\d+, Value:\d+'))
        logtrace.pexpect_proc.expect_exact('====================================================================')
        logtrace.pexpect_proc.expect(re.compile(r'Log records count: \d+'))


if __name__ == '__main__':
    test_examples_app_trace_to_host()