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GetFX TO DO

Phase 1

• print(GetFX('USD')) will nicely print the result - override __str__() method in GetFX base class
• try to apply different monkey patching: see pytest docs and apply yield teardown method - not done: check in book to order if/how to apply monkey patching in fixtures that return value using yield statement
• consider if pytest.params could be used (not done)
• split to target classes/packages
• consider to write test for base class:
  • GetFX object created
  • constructor attributes are present
  • _delete() method is present (iscallable) (not done)
  • _get_request() and _store_response() are raising NotImplementedError
  • str() returns a string (without checking specifics)
• consider moving parser to separate class (?) and write unit tests for it (with mocked NBP connection)
• consider how really packages and modules should be created. Do we need 3 packages? How they should be created?
• document methods, classes, packages
• apply github CI
• merge to master

Phase 2

• import FX-es from page (directly, or from directory?) to SQL lite DB
• store FX-es in SQL lite DB and write tests for that

Phase 3

• write another module that analyses historic FX rates to get optimal investment (buying) strategy. It will use FX-es stored in GetFX database, eventually will fetch new ones (?)