Fixed #23768 -- Rewrote template tests as unit tests.

tests/template_tests/syntax_tests/test_with.py

@@ -0,0 +1,53 @@
+from django.conf import settings
+from django.template.base import TemplateSyntaxError
+from django.test import TestCase
+
+from .utils import render, setup
+
+
+class WithTagTests(TestCase):
+
+    @setup({'with01': '{% with key=dict.key %}{{ key }}{% endwith %}'})
+    def test_with01(self):
+        output = render('with01', {'dict': {'key': 50}})
+        self.assertEqual(output, '50')
+
+    @setup({'legacywith01': '{% with dict.key as key %}{{ key }}{% endwith %}'})
+    def test_legacywith01(self):
+        output = render('legacywith01', {'dict': {'key': 50}})
+        self.assertEqual(output, '50')
+
+    @setup({'with02': '{{ key }}{% with key=dict.key %}'
+                      '{{ key }}-{{ dict.key }}-{{ key }}'
+                      '{% endwith %}{{ key }}'})
+    def test_with02(self):
+        output = render('with02', {'dict': {'key': 50}})
+        if settings.TEMPLATE_STRING_IF_INVALID:
+            self.assertEqual(output, 'INVALID50-50-50INVALID')
+        else:
+            self.assertEqual(output, '50-50-50')
+
+    @setup({'legacywith02': '{{ key }}{% with dict.key as key %}'
+                            '{{ key }}-{{ dict.key }}-{{ key }}'
+                            '{% endwith %}{{ key }}'})
+    def test_legacywith02(self):
+        output = render('legacywith02', {'dict': {'key': 50}})
+        if settings.TEMPLATE_STRING_IF_INVALID:
+            self.assertEqual(output, 'INVALID50-50-50INVALID')
+        else:
+            self.assertEqual(output, '50-50-50')
+
+    @setup({'with03': '{% with a=alpha b=beta %}{{ a }}{{ b }}{% endwith %}'})
+    def test_with03(self):
+        output = render('with03', {'alpha': 'A', 'beta': 'B'})
+        self.assertEqual(output, 'AB')
+
+    @setup({'with-error01': '{% with dict.key xx key %}{{ key }}{% endwith %}'})
+    def test_with_error01(self):
+        with self.assertRaises(TemplateSyntaxError):
+            render('with-error01', {'dict': {'key': 50}})
+
+    @setup({'with-error02': '{% with dict.key as %}{{ key }}{% endwith %}'})
+    def test_with_error02(self):
+        with self.assertRaises(TemplateSyntaxError):
+            render('with-error02', {'dict': {'key': 50}})