[dts] [PATCH] framework: Adding JSON reporter

[Liu, Yong]

Thanks, Radoslaw. One comment below.

> -----Original Message-----
> From: dts [mailto:dts-bounces at dpdk.org] On Behalf Of Radoslaw Biernacki
> Sent: Tuesday, September 05, 2017 11:26 PM
> To: dts at dpdk.org
> Cc: jianbo.liu at linaro.org; herbert.guan at arm.com; Radoslaw Biernacki
> <radoslaw.biernacki at linaro.org>
> Subject: [dts] [PATCH] framework: Adding JSON reporter
> 
> This patch adds the JSON reporter class which puts the results
> into output/test_results.json file
> Having JSON file format for results is usefull for CI integration.
> 
> Signed-off-by: Radoslaw Biernacki <radoslaw.biernacki at linaro.org>
> ---
>  framework/dts.py           |  5 ++++
>  framework/json_reporter.py | 75
> ++++++++++++++++++++++++++++++++++++++++++++++
>  2 files changed, 80 insertions(+)
>  create mode 100644 framework/json_reporter.py
> 
> diff --git a/framework/dts.py b/framework/dts.py
> index 931bf38..b38deb7 100644
> --- a/framework/dts.py
> +++ b/framework/dts.py
> @@ -51,6 +51,7 @@ from test_case import TestCase
>  from test_result import Result
>  from stats_reporter import StatsReporter
>  from excel_reporter import ExcelReporter
> +from json_reporter import JSONReporter
>  from exception import TimeoutException, ConfigParseException,
> VerifyFailure
>  from logger import getLogger
>  import logger
> @@ -66,6 +67,7 @@ sys.setdefaultencoding('UTF8')
>  requested_tests = None
>  result = None
>  excel_report = None
> +json_report = None
>  stats_report = None
>  log_handler = None
> 
> @@ -443,6 +445,7 @@ def run_all(config_file, pkgName, git, patch,
> skip_setup,
>      global requested_tests
>      global result
>      global excel_report
> +    global json_report
>      global stats_report
>      global log_handler
>      global check_case_inst
> @@ -506,6 +509,7 @@ def run_all(config_file, pkgName, git, patch,
> skip_setup,
> 
>      # report objects
>      excel_report = ExcelReporter(output_dir + '/test_results.xls')
> +    json_report = JSONReporter(output_dir + '/test_results.json')
>      stats_report = StatsReporter(output_dir + '/statistics.txt')
>      result = Result()
> 
> @@ -574,6 +578,7 @@ def save_all_results():
>      Save all result to files.
>      """
>      excel_report.save(result)
> +    json_report.save(result)
>      stats_report.save(result)
> 
> 
> diff --git a/framework/json_reporter.py b/framework/json_reporter.py
> new file mode 100644
> index 0000000..47e6869
> --- /dev/null
> +++ b/framework/json_reporter.py
> @@ -0,0 +1,75 @@
> +# BSD LICENSE
> +#
> +# Copyright(c) 2017 Linaro. All rights reserved.
> +# All rights reserved.
> +#
> +# Redistribution and use in source and binary forms, with or without
> +# modification, are permitted provided that the following conditions
> +# are met:
> +#
> +#   * Redistributions of source code must retain the above copyright
> +#     notice, this list of conditions and the following disclaimer.
> +#   * Redistributions in binary form must reproduce the above copyright
> +#     notice, this list of conditions and the following disclaimer in
> +#     the documentation and/or other materials provided with the
> +#     distribution.
> +#   * Neither the name of Intel Corporation nor the names of its
> +#     contributors may be used to endorse or promote products derived
> +#     from this software without specific prior written permission.
> +#
> +# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
> +# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
> +# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
> +# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
> +# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
> +# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
> +# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
> +# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
> +# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
> +# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
> +# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
> +
> +import json
> +import os
> +
> +class JSONReporter(object):
> +
> +    def __init__(self, filename):
> +        self.filename = filename
> +
> +    def __scan_cases(self, result, dut, target, suite):
> +        case_results = {}
> +        for case in result.all_test_cases(dut, target, suite):
> +             test_result = result.result_for(dut, target, suite, case)
> +             case_name = '{}/{}'.format(suite,case)
> +             if 'PASSED' in test_result:
> +                 case_results[case_name] = 'pass'
> +             else:
> +                 case_results[case_name] = 'fail'
> +        return case_results
> +
> +    def __scan_target(self, result, dut, target):
> +        if result.is_target_failed(dut, target):
> +            return {'Target failed', 'fail'}
> +        case_results = {}
> +        for suite in result.all_test_suites(dut, target):
> +            case_results.update(self.__scan_cases(result, dut, target,
> suite))
> +        abspath = os.path.abspath(self.filename)
> +        filename = os.path.basename(abspath)
> +        dirname = os.path.dirname(abspath)
> +        splitname = os.path.splitext(filename)
> +        extfilename = '{}/{}_{}_{}{}'.format(dirname, splitname[0], dut,
> target, splitname[1])
> +        with open(extfilename, 'w') as outfile:
> +            json.dump(case_results, outfile, indent=4, separators=(',', ':
> '), encoding="utf-8", sort_keys=True)

Look like multiple json report files will be created in just one execution.
This behavior is not align with excel report and may cause confusion. 
If there's no special reason, please save all results into one json file.

> +
> +    def __scan_dut(self, result, dut):
> +        if result.is_dut_failed(dut):
> +            return {'DUT failed', 'fail'}
> +        case_results = {}
> +        for target in result.all_targets(dut):
> +            self.__scan_target(result, dut, target)
> +
> +    def save(self, result):
> +        case_results = {}
> +        for dut in result.all_duts():
> +            self.__scan_dut(result, dut)
> --
> 1.9.1