[gpsd-dev] Where to put tests for: $GPVTG

[teyrana]

Hey Guys, 

Two pretty quick questions for you: 

1. Where should I put tests for verifying VTG message processing?

My guesses:

  a) modify every device-specific test case which contains VTG messages? 

  b) emplace a specific test somewhere else, that's not obvious to me... 

  Research so far: 

1. I see $GPVTG messages already sprinkled throughout several device tests:  (36 of the .log files in `test/daemon` of them, to be exact) but it doesn't look like they're interpreted in any of them? 

  e.g. https://github.com/teyrana/gpsd/blob/9429b1a5498e0e1ea68d5e53245c897dda52e5aa/test/daemon/bn-9015.log.chk#L65

   

2. I also looked at the test_*.c files, but they don't seem to contain many of the tests themselves:

  - `test_packet.c` only sees to test *parsing* of the raw nmea.
  - `test_libpgs.c` seems to be the test-file-runner (?)

2. I notice you guys also don't have a test *.log.chk for our brand (Hemisphere). Would it be worth while to add it? 

(Our receiver: for reference: https://hemispheregnss.com/Products/Products/Position-Heading/vector-v103e284a2-and-v113e284a2-gps-compasses-96 )

Cheers,

-Dan

Daniel Williams

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