from django.template import TemplateSyntaxError from django.test import SimpleTestCase from django.utils import six from ..utils import setup class WidthRatioTagTests(SimpleTestCase): @setup({'widthratio01': '{% widthratio a b 0 %}'}) def test_widthratio01(self): output = self.engine.render_to_string('widthratio01', {'a': 50, 'b': 100}) self.assertEqual(output, '0') @setup({'widthratio02': '{% widthratio a b 100 %}'}) def test_widthratio02(self): output = self.engine.render_to_string('widthratio02', {'a': 0, 'b': 0}) self.assertEqual(output, '0') @setup({'widthratio03': '{% widthratio a b 100 %}'}) def test_widthratio03(self): output = self.engine.render_to_string('widthratio03', {'a': 0, 'b': 100}) self.assertEqual(output, '0') @setup({'widthratio04': '{% widthratio a b 100 %}'}) def test_widthratio04(self): output = self.engine.render_to_string('widthratio04', {'a': 50, 'b': 100}) self.assertEqual(output, '50') @setup({'widthratio05': '{% widthratio a b 100 %}'}) def test_widthratio05(self): output = self.engine.render_to_string('widthratio05', {'a': 100, 'b': 100}) self.assertEqual(output, '100') @setup({'widthratio06': '{% widthratio a b 100 %}'}) def test_widthratio06(self): """ 62.5 should round to 63 on Python 2 and 62 on Python 3 See http://docs.python.org/py3k/whatsnew/3.0.html """ output = self.engine.render_to_string('widthratio06', {'a': 50, 'b': 80}) self.assertEqual(output, '62' if six.PY3 else '63') @setup({'widthratio07': '{% widthratio a b 100 %}'}) def test_widthratio07(self): """ 71.4 should round to 71 """ output = self.engine.render_to_string('widthratio07', {'a': 50, 'b': 70}) self.assertEqual(output, '71') # Raise exception if we don't have 3 args, last one an integer @setup({'widthratio08': '{% widthratio %}'}) def test_widthratio08(self): with self.assertRaises(TemplateSyntaxError): self.engine.get_template('widthratio08') @setup({'widthratio09': '{% widthratio a b %}'}) def test_widthratio09(self): with self.assertRaises(TemplateSyntaxError): self.engine.render_to_string('widthratio09', {'a': 50, 'b': 100}) @setup({'widthratio10': '{% widthratio a b 100.0 %}'}) def test_widthratio10(self): output = self.engine.render_to_string('widthratio10', {'a': 50, 'b': 100}) self.assertEqual(output, '50') @setup({'widthratio11': '{% widthratio a b c %}'}) def test_widthratio11(self): """ #10043: widthratio should allow max_width to be a variable """ output = self.engine.render_to_string('widthratio11', {'a': 50, 'c': 100, 'b': 100}) self.assertEqual(output, '50') # #18739: widthratio should handle None args consistently with # non-numerics @setup({'widthratio12a': '{% widthratio a b c %}'}) def test_widthratio12a(self): output = self.engine.render_to_string('widthratio12a', {'a': 'a', 'c': 100, 'b': 100}) self.assertEqual(output, '') @setup({'widthratio12b': '{% widthratio a b c %}'}) def test_widthratio12b(self): output = self.engine.render_to_string('widthratio12b', {'a': None, 'c': 100, 'b': 100}) self.assertEqual(output, '') @setup({'widthratio13a': '{% widthratio a b c %}'}) def test_widthratio13a(self): output = self.engine.render_to_string('widthratio13a', {'a': 0, 'c': 100, 'b': 'b'}) self.assertEqual(output, '') @setup({'widthratio13b': '{% widthratio a b c %}'}) def test_widthratio13b(self): output = self.engine.render_to_string('widthratio13b', {'a': 0, 'c': 100, 'b': None}) self.assertEqual(output, '') @setup({'widthratio14a': '{% widthratio a b c %}'}) def test_widthratio14a(self): with self.assertRaises(TemplateSyntaxError): self.engine.render_to_string('widthratio14a', {'a': 0, 'c': 'c', 'b': 100}) @setup({'widthratio14b': '{% widthratio a b c %}'}) def test_widthratio14b(self): with self.assertRaises(TemplateSyntaxError): self.engine.render_to_string('widthratio14b', {'a': 0, 'c': None, 'b': 100}) @setup({'widthratio15': '{% load custom %}{% widthratio a|noop:"x y" b 0 %}'}) def test_widthratio15(self): """ Test whitespace in filter argument """ output = self.engine.render_to_string('widthratio15', {'a': 50, 'b': 100}) self.assertEqual(output, '0') # Widthratio with variable assignment @setup({'widthratio16': '{% widthratio a b 100 as variable %}-{{ variable }}-'}) def test_widthratio16(self): output = self.engine.render_to_string('widthratio16', {'a': 50, 'b': 100}) self.assertEqual(output, '-50-') @setup({'widthratio17': '{% widthratio a b 100 as variable %}-{{ variable }}-'}) def test_widthratio17(self): output = self.engine.render_to_string('widthratio17', {'a': 100, 'b': 100}) self.assertEqual(output, '-100-') @setup({'widthratio18': '{% widthratio a b 100 as %}'}) def test_widthratio18(self): with self.assertRaises(TemplateSyntaxError): self.engine.get_template('widthratio18') @setup({'widthratio19': '{% widthratio a b 100 not_as variable %}'}) def test_widthratio19(self): with self.assertRaises(TemplateSyntaxError): self.engine.get_template('widthratio19') @setup({'widthratio20': '{% widthratio a b 100 %}'}) def test_widthratio20(self): output = self.engine.render_to_string('widthratio20', {'a': float('inf'), 'b': float('inf')}) self.assertEqual(output, '') @setup({'widthratio21': '{% widthratio a b 100 %}'}) def test_widthratio21(self): output = self.engine.render_to_string('widthratio21', {'a': float('inf'), 'b': 2}) self.assertEqual(output, '')