test_models.py

from datetime import date, timedelta

from django.core.exceptions import ValidationError
from django.test import TestCase

from opentech.apply.funds.workflow import SingleStage

from .factories import FundTypeFactory, RoundFactory


class TestFundModel(TestCase):
    def test_can_access_workflow_class(self):
        fund = FundTypeFactory(parent=None)
        self.assertEqual(fund.workflow, 'single')
        self.assertEqual(fund.workflow_class, SingleStage)


class TestRoundModel(TestCase):
    def setUp(self):
        self.fund = FundTypeFactory(parent=None)

    def make_round(self, **kwargs):
        data = {'parent': self.fund}
        data.update(kwargs)
        return RoundFactory(**data)

    def test_normal_start_end_doesnt_error(self):
        self.make_round()

    def test_end_before_start(self):
        yesterday = date.today() - timedelta(days=1)
        with self.assertRaises(ValidationError):
            self.make_round(end_date=yesterday)

    def test_end_overlaps(self):
        existing_round = self.make_round()
        overlapping_end = existing_round.end_date - timedelta(1)
        start = existing_round.start_date - timedelta(1)
        with self.assertRaises(ValidationError):
            self.make_round(start_date=start, end_date=overlapping_end)

    def test_start_overlaps(self):
        existing_round = self.make_round()
        overlapping_start = existing_round.start_date + timedelta(1)
        end = existing_round.end_date + timedelta(1)
        with self.assertRaises(ValidationError):
            self.make_round(start_date=overlapping_start, end_date=end)

    def test_inside_overlaps(self):
        existing_round = self.make_round()
        overlapping_start = existing_round.start_date + timedelta(1)
        overlapping_end = existing_round.end_date - timedelta(1)
        with self.assertRaises(ValidationError):
            self.make_round(start_date=overlapping_start, end_date=overlapping_end)

    def test_other_fund_not_impacting(self):
        self.make_round()
        new_fund = FundTypeFactory(parent=None)
        # Will share the same start and end dates
        self.make_round(parent=new_fund)

    def test_can_create_without_end_date(self):
        self.make_round(end_date=None)

    def test_can_not_create_with_other_open_end_date(self):
        existing_round = self.make_round(end_date=None)
        start = existing_round.start_date + timedelta(1)
        with self.assertRaises(ValidationError):
            self.make_round(start_date=start, end_date=None)

    def test_can_not_overlap_with_normal_round(self):
        existing_round = self.make_round()
        overlapping_start = existing_round.end_date - timedelta(1)
        with self.assertRaises(ValidationError):
            self.make_round(start_date=overlapping_start, end_date=None)