Add logic+tests for handling display of type of renewable generation (#7)
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@ -994,5 +994,23 @@ class CaseStudy(models.Model):
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"""Gets the 11 character YouTube video ID from the video field."""
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return parse.parse_qs(parse.urlparse(self.video).query)["v"][0]
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def get_renewable_generation_detail(self):
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"""Prepend appropriate descriptive text when accessing renewable generation type."""
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if self.generation_technology:
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if self.generation_technology.endswith('WE'):
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return _('Wind energy') + " – " + self.get_generation_technology_display()
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elif self.generation_technology.endswith('PV'):
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return _('Photovoltaic electricity') + " – " + self.get_generation_technology_display()
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elif self.generation_technology.endswith('HYD'):
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return _('Hydroelectric') + " – " + self.get_generation_technology_display()
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elif self.generation_technology == 'OTHR':
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return self.generation_technology_other
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else:
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return self.get_generation_technology_display()
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else:
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return ""
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class Meta:
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verbose_name_plural = 'case studies'
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@ -1,3 +1,25 @@
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from django.test import TestCase
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# Create your tests here.
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from .models import CaseStudy
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class CaseStudyTests(TestCase):
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def test_get_renewable_generation_detail_when_empty(self):
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"""get_renewable_generation_detail() should return the empty string."""
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case_study = CaseStudy()
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self.assertIs(case_study.get_renewable_generation_detail(), "")
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def test_get_renewable_generation_detail_with_geo(self):
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"""get_renewable_generation_detail() should return just the description"""
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case_study = CaseStudy(generation_technology='GEOT')
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self.assertEqual(case_study.get_renewable_generation_detail(), "Geothermal electricity")
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def test_get_renewable_generation_detail_with_wind(self):
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"""get_renewable_generation_detail() should return the description prefixed with 'wind power'"""
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case_study = CaseStudy(generation_technology='SSWE')
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self.assertEqual(case_study.get_renewable_generation_detail(), "Wind energy – Small-scale (less than 500kW)")
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def test_get_renewable_generation_detail_with_other(self):
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"""get_renewable_generation_detail() should return the detail provided in .generation_technology_other"""
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case_study = CaseStudy(generation_technology='OTHR', generation_technology_other='Warp drive')
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self.assertEqual(case_study.get_renewable_generation_detail(), "Warp drive")
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