add test case for client constructor

[zhengjian526]

119 add test case for client constructor

[github-actions[bot]]

Code Coverage Report for detail, goto summary download Artifacts

Filename                    Functions  Missed Functions  Executed       Lines      Missed Lines     Cover    Branches   Missed Branches     Cover
-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
client_util.hpp                     3                 1    66.67%          19                 8    57.89%           2                 1    50.00%
codec.h                             3                 0   100.00%          19                 2    89.47%           0                 0         -
connection.h                       34                 8    76.47%         344               123    64.24%          64                39    39.06%
io_service_pool.h                   5                 0   100.00%          32                 1    96.88%          12                 1    91.67%
md5.hpp                            19                 2    89.47%         127                 8    93.70%          24                 0   100.00%
nonstd_any.hpp                     13                10    23.08%          28                22    21.43%           0                 0         -
router.h                            9                 2    77.78%          80                32    60.00%          10                 6    40.00%
rpc_client.hpp                     63                30    52.38%         591               270    54.31%          98                63    35.71%
rpc_server.h                       20                 7    65.00%         156                51    67.31%          32                18    43.75%
string_view.hpp                    17                11    35.29%          38                30    21.05%           2                 2     0.00%
-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
TOTAL                             186                71    61.83%        1434               547    61.85%         244               130    46.72%

[codecov-commenter]

Codecov Report

Attention: 8 lines in your changes are missing coverage. Please review.

Comparison is base (3e2746e) 44.02% compared to head (5c22ede) 46.87%. Report is 1 commits behind head on master.

Files	Patch %	Lines
tests/test_rest_rpc.cpp	88.88%	8 Missing :warning:

:exclamation: Your organization needs to install the Codecov GitHub app to enable full functionality.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #122 +/- ## ========================================== + Coverage 44.02% 46.87% +2.84% ========================================== Files 168 166 -2 Lines 7666 7740 +74 ========================================== + Hits 3375 3628 +253 + Misses 4291 4112 -179 ```

:umbrella: View full report in Codecov by Sentry.
:loudspeaker: Have feedback on the report? Share it here.