def test_ensures_rates_multiple_currencies(app): # Upon calling save and load, rates are asked for the 20-today range for both USD and EUR. db, log = set_ratedb_for_tests() app.save_and_load() expected = { (date(2008, 4, 20), date(2008, 4, 29), 'USD'), (date(2008, 4, 20), date(2008, 4, 29), 'EUR'), } eq_(set(log), expected) # Now let's test that the rates are in the DB eq_(USD.value_in(CAD, date(2008, 4, 20)), 1.42) eq_(EUR.value_in(CAD, date(2008, 4, 22)), 1.44) eq_(EUR.value_in(USD, date(2008, 4, 24)), 1.0) eq_(USD.value_in(CAD, date(2008, 4, 25)), 1.47) eq_(USD.value_in(CAD, date(2008, 4, 27)), 1.49)