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modules/purchase_history/tests/scenario_purchase_history.rst

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+=========================
+Purchase History Scenario
+=========================
+
+Imports::
+
+    >>> from proteus import Model
+    >>> from trytond.modules.company.tests.tools import create_company
+    >>> from trytond.tests.tools import activate_modules
+
+Activate modules::
+
+    >>> config = activate_modules('purchase_history', create_company)
+
+Create supplier::
+
+    >>> Party = Model.get('party.party')
+    >>> supplier = Party(name='Supplier')
+    >>> supplier.save()
+
+Create a purchase::
+
+   >>> Purchase = Model.get('purchase.purchase')
+   >>> purchase = Purchase()
+   >>> purchase.party = supplier
+   >>> purchase.click('quote')
+
+   >>> purchase.number
+   '1'
+   >>> purchase.revision
+   0
+   >>> purchase.rec_name
+   '1'
+
+Reset to draft increases revision::
+
+   >>> purchase.click('draft')
+
+   >>> purchase.revision
+   1
+   >>> purchase.rec_name
+   '1/1'