Erik Johnston 48b5829aea Fix up preview URL API. Add tests. ...

This includes:

- Splitting out methods of a class into stand alone functions, to make
  them easier to test.
- Adding unit tests to split out functions, testing HTML -> preview.
- Handle the fact that elements in lxml may have tail text.

2016-08-16 14:53:24 +01:00

9.1 KiB

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