test: Extend coverage of classes and add cover of read_lhe

[eduardo-rodrigues]

First batch of work to achieve reasonable coverage for the main package functionality.

What is missing is largely coverage for exceptions, the scope of issue #142.

* Add tests for fromstring methods.
* Add tests for read_lhe functions.

[codecov]

Codecov Report

Base: 67.28% // Head: 67.28% // No change to project coverage 👍

Coverage data is based on head (678b37d) compared to base (678b37d).
Patch has no changes to coverable lines.

❗ Current head 678b37d differs from pull request most recent head 4eb7f5a. Consider uploading reports for the commit 4eb7f5a to get more accurate results

Additional details and impacted files

@@           Coverage Diff           @@
##           master     #143   +/-   ##
=======================================
  Coverage   67.28%   67.28%           
=======================================
  Files           2        2           
  Lines         217      217           
  Branches       57       57           
=======================================
  Hits          146      146           
  Misses         64       64           
  Partials        7        7           

Flag	Coverage Δ
unittests-3.10	65.89% <0.00%> (ø)
unittests-3.6	64.62% <0.00%> (ø)

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[eduardo-rodrigues]

Morning @matthewfeickert, this concludes a push in these last few days to finalise some long-standing bits of work and increase test coverage from about 60% to close to 75%. I consider myself done for a new release, which will enable us to publish also in Conda :-).

[eduardo-rodrigues]

Morning Matthew. Happy to get this in and release 0.4.0?

[eduardo-rodrigues]

Thanks for the update.