166 lines
7.1 KiB
Python
166 lines
7.1 KiB
Python
from django.template import TemplateDoesNotExist
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from django.template.loader import (
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get_template, render_to_string, select_template,
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)
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from django.test import SimpleTestCase, override_settings
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from django.test.client import RequestFactory
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@override_settings(TEMPLATES=[{
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'BACKEND': 'django.template.backends.dummy.TemplateStrings',
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'APP_DIRS': True,
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}, {
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'BACKEND': 'django.template.backends.django.DjangoTemplates',
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'APP_DIRS': True,
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'OPTIONS': {
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'context_processors': [
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'django.template.context_processors.request',
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],
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},
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}])
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class TemplateLoaderTests(SimpleTestCase):
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def test_get_template_first_engine(self):
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template = get_template("template_loader/hello.html")
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self.assertEqual(template.render(), "Hello! (template strings)\n")
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def test_get_template_second_engine(self):
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template = get_template("template_loader/goodbye.html")
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self.assertEqual(template.render(), "Goodbye! (Django templates)\n")
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def test_get_template_using_engine(self):
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template = get_template("template_loader/hello.html", using="django")
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self.assertEqual(template.render(), "Hello! (Django templates)\n")
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def test_get_template_not_found(self):
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with self.assertRaises(TemplateDoesNotExist) as e:
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get_template("template_loader/unknown.html")
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self.assertEqual(
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e.exception.chain[-1].tried[0][0].template_name,
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'template_loader/unknown.html',
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)
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self.assertEqual(e.exception.chain[-1].backend.name, 'django')
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def test_select_template_first_engine(self):
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template = select_template(["template_loader/unknown.html",
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"template_loader/hello.html"])
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self.assertEqual(template.render(), "Hello! (template strings)\n")
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def test_select_template_second_engine(self):
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template = select_template(["template_loader/unknown.html",
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"template_loader/goodbye.html"])
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self.assertEqual(template.render(), "Goodbye! (Django templates)\n")
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def test_select_template_using_engine(self):
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template = select_template(["template_loader/unknown.html",
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"template_loader/hello.html"], using="django")
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self.assertEqual(template.render(), "Hello! (Django templates)\n")
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def test_select_template_empty(self):
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with self.assertRaises(TemplateDoesNotExist):
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select_template([])
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def test_select_template_string(self):
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with self.assertRaisesMessage(
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TypeError,
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"select_template() takes an iterable of template names but got a "
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"string: 'template_loader/hello.html'. Use get_template() if you "
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"want to load a single template by name."
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):
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select_template('template_loader/hello.html')
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def test_select_template_not_found(self):
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with self.assertRaises(TemplateDoesNotExist) as e:
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select_template(["template_loader/unknown.html",
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"template_loader/missing.html"])
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self.assertEqual(
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e.exception.chain[0].tried[0][0].template_name,
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'template_loader/unknown.html',
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)
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self.assertEqual(e.exception.chain[0].backend.name, 'dummy')
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self.assertEqual(
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e.exception.chain[-1].tried[0][0].template_name,
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'template_loader/missing.html',
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)
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self.assertEqual(e.exception.chain[-1].backend.name, 'django')
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def test_select_template_tries_all_engines_before_names(self):
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template = select_template(["template_loader/goodbye.html",
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"template_loader/hello.html"])
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self.assertEqual(template.render(), "Goodbye! (Django templates)\n")
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def test_render_to_string_first_engine(self):
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content = render_to_string("template_loader/hello.html")
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self.assertEqual(content, "Hello! (template strings)\n")
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def test_render_to_string_second_engine(self):
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content = render_to_string("template_loader/goodbye.html")
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self.assertEqual(content, "Goodbye! (Django templates)\n")
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def test_render_to_string_with_request(self):
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request = RequestFactory().get('/foobar/')
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content = render_to_string("template_loader/request.html", request=request)
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self.assertEqual(content, "/foobar/\n")
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def test_render_to_string_using_engine(self):
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content = render_to_string("template_loader/hello.html", using="django")
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self.assertEqual(content, "Hello! (Django templates)\n")
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def test_render_to_string_not_found(self):
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with self.assertRaises(TemplateDoesNotExist) as e:
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render_to_string("template_loader/unknown.html")
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self.assertEqual(
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e.exception.chain[-1].tried[0][0].template_name,
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'template_loader/unknown.html',
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)
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self.assertEqual(e.exception.chain[-1].backend.name, 'django')
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def test_render_to_string_with_list_first_engine(self):
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content = render_to_string(["template_loader/unknown.html",
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"template_loader/hello.html"])
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self.assertEqual(content, "Hello! (template strings)\n")
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def test_render_to_string_with_list_second_engine(self):
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content = render_to_string(["template_loader/unknown.html",
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"template_loader/goodbye.html"])
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self.assertEqual(content, "Goodbye! (Django templates)\n")
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def test_render_to_string_with_list_using_engine(self):
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content = render_to_string(["template_loader/unknown.html",
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"template_loader/hello.html"], using="django")
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self.assertEqual(content, "Hello! (Django templates)\n")
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def test_render_to_string_with_list_empty(self):
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with self.assertRaises(TemplateDoesNotExist):
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render_to_string([])
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def test_render_to_string_with_list_not_found(self):
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with self.assertRaises(TemplateDoesNotExist) as e:
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render_to_string(["template_loader/unknown.html",
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"template_loader/missing.html"])
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self.assertEqual(
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e.exception.chain[0].tried[0][0].template_name,
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'template_loader/unknown.html',
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)
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self.assertEqual(e.exception.chain[0].backend.name, 'dummy')
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self.assertEqual(
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e.exception.chain[1].tried[0][0].template_name,
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'template_loader/unknown.html',
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)
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self.assertEqual(e.exception.chain[1].backend.name, 'django')
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self.assertEqual(
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e.exception.chain[2].tried[0][0].template_name,
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'template_loader/missing.html',
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)
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self.assertEqual(e.exception.chain[2].backend.name, 'dummy')
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self.assertEqual(
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e.exception.chain[3].tried[0][0].template_name,
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'template_loader/missing.html',
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)
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self.assertEqual(e.exception.chain[3].backend.name, 'django')
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def test_render_to_string_with_list_tries_all_engines_before_names(self):
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content = render_to_string(["template_loader/goodbye.html",
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"template_loader/hello.html"])
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self.assertEqual(content, "Goodbye! (Django templates)\n")
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