add unittest && change parseConfig interface

[ghost]

Warnings are found on analyzing the commit c974ca7.

1 warning:

• ⚠️ Goodcheck

We recommend to address them as possible, for example, update outdated dependencies, fix the tool's configuration, configure sider.yml, turn off unused tools, and so on.

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[codecov-commenter]

Codecov Report

Merging #31 into develop will increase coverage by 0.04%. The diff coverage is 38.67%.

@@             Coverage Diff             @@
##           develop      #31      +/-   ##
===========================================
+ Coverage    54.00%   54.04%   +0.04%     
===========================================
  Files           23       25       +2     
  Lines         1700     1817     +117     
===========================================
+ Hits           918      982      +64     
- Misses         647      680      +33     
- Partials       135      155      +20     

Impacted Files	Coverage Δ
conf/parse_pem.go	60.37% <ø> (ø)
smcrypto/sm_crypto.go	47.88% <ø> (ø)
client/api_handler.go	54.87% <12.50%> (ø)
client/go_client.go	54.83% <28.57%> (ø)
conf/config.go	44.30% <40.29%> (ø)
precompiled/cns/cns_service.go	48.68% <41.17%> (ø)
precompiled/permission/permission_service.go	74.39% <50.00%> (ø)
precompiled/cns/cns_info.go	60.00% <60.00%> (ø)
... and 1 more

---

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[fisco-dev]

Here is an overview of what got changed by this pull request:

Complexity increasing per file
==============================
- precompiled/cns/cns_info.go  2
- conf/config_test.go  4
- conf/parse_pem.go  9
- conf/parse_pem_test.go  9
- client/api_handler.go  6
- client/go_client.go  11
- .ci/ethPrecompiled/bn256_gm.go  1
- .ci/ethPrecompiled/bn256.go  1

Complexity decreasing per file
==============================
+ conf/config.go  -1

See the complete overview on Codacy