Add has_state and has_command to hw_component_if

[christophfroehlich]

A helper for easier logic inside of hardware components, for reference see #2694

[saikishor]

Can we also add a test where a particular state interface exists but not the command interface?

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 89.33%. Comparing base (a27c528) to head (eafa27b).
⚠️ Report is 1 commits behind head on master.

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #2701   +/-   ##
=======================================
  Coverage   89.33%   89.33%           
=======================================
  Files         151      151           
  Lines       17143    17147    +4     
  Branches     1432     1432           
=======================================
+ Hits        15314    15318    +4     
  Misses       1247     1247           
  Partials      582      582           

Flag	Coverage Δ
unittests	89.33% <100.00%> (+<0.01%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

Files with missing lines	Coverage Δ
...ardware_interface/hardware_component_interface.hpp	78.01% <100.00%> (+0.31%)	⬆️
...dware_interface/test/test_component_interfaces.cpp	97.88% <ø> (ø)

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[christophfroehlich]

Can we also add a test where a particular state interface exists but not the command interface?

eafa27b?

[saikishor]

Can we also add a test where a particular state interface exists but not the command interface?

eafa27b?

Perfectoooo