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modules/currency/tests/scenario_currency_rate_update.rst

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+====================
+Currency Rate Update
+====================
+
+Imports::
+
+    >>> import datetime as dt
+
+    >>> from proteus import Model
+    >>> from trytond.tests.tools import activate_modules
+
+    >>> today = dt.date.today()
+    >>> previous_week = today - dt.timedelta(days=7)
+    >>> before_previous_week = previous_week - dt.timedelta(days=1)
+
+Activate modules::
+
+    >>> config = activate_modules('currency')
+
+Import models::
+
+    >>> Currency = Model.get('currency.currency')
+    >>> Cron = Model.get('currency.cron')
+
+Create some currencies::
+
+    >>> eur = Currency(name="Euro", code='EUR', symbol="€")
+    >>> eur.save()
+    >>> usd = Currency(name="U.S. Dollar", code='USD', symbol="$")
+    >>> usd.save()
+
+Setup cron::
+
+    >>> cron = Cron()
+    >>> cron.source = 'ecb'
+    >>> cron.frequency = 'daily'
+    >>> cron.day = None
+    >>> cron.currency = eur
+    >>> cron.currencies.append(Currency(usd.id))
+    >>> cron.last_update = before_previous_week
+    >>> cron.save()
+
+Run update::
+
+    >>> cron.click('run')
+    >>> cron.last_update >= previous_week
+    True
+
+    >>> eur.reload()
+    >>> rate = [r for r in eur.rates if r.date < today][0]
+    >>> rate.rate
+    Decimal('1.000000')
+    >>> rate = [r for r in usd.rates if r.date < today][0]
+    >>> bool(rate.rate)
+    True