139 lines
5.5 KiB
Python
139 lines
5.5 KiB
Python
from pathlib import Path
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from unittest import mock, skipIf
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from django.template import TemplateSyntaxError
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from django.test import RequestFactory
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from .test_dummy import TemplateStringsTests
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try:
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import jinja2
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except ImportError:
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jinja2 = None
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Jinja2 = None
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else:
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from django.template.backends.jinja2 import Jinja2
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@skipIf(jinja2 is None, "this test requires jinja2")
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class Jinja2Tests(TemplateStringsTests):
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engine_class = Jinja2
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backend_name = "jinja2"
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options = {
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"keep_trailing_newline": True,
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"context_processors": [
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"django.template.context_processors.static",
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],
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}
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def test_origin(self):
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template = self.engine.get_template("template_backends/hello.html")
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self.assertTrue(template.origin.name.endswith("hello.html"))
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self.assertEqual(template.origin.template_name, "template_backends/hello.html")
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def test_origin_from_string(self):
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template = self.engine.from_string("Hello!\n")
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self.assertEqual(template.origin.name, "<template>")
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self.assertIsNone(template.origin.template_name)
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def test_self_context(self):
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"""
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Using 'self' in the context should not throw errors (#24538).
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"""
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# self will be overridden to be a TemplateReference, so the self
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# variable will not come through. Attempting to use one though should
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# not throw an error.
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template = self.engine.from_string("hello {{ foo }}!")
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content = template.render(context={"self": "self", "foo": "world"})
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self.assertEqual(content, "hello world!")
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def test_exception_debug_info_min_context(self):
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with self.assertRaises(TemplateSyntaxError) as e:
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self.engine.get_template("template_backends/syntax_error.html")
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debug = e.exception.template_debug
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self.assertEqual(debug["after"], "")
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self.assertEqual(debug["before"], "")
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self.assertEqual(debug["during"], "{% block %}")
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self.assertEqual(debug["bottom"], 1)
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self.assertEqual(debug["top"], 0)
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self.assertEqual(debug["line"], 1)
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self.assertEqual(debug["total"], 1)
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self.assertEqual(len(debug["source_lines"]), 1)
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self.assertTrue(debug["name"].endswith("syntax_error.html"))
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self.assertIn("message", debug)
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def test_exception_debug_info_max_context(self):
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with self.assertRaises(TemplateSyntaxError) as e:
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self.engine.get_template("template_backends/syntax_error2.html")
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debug = e.exception.template_debug
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self.assertEqual(debug["after"], "")
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self.assertEqual(debug["before"], "")
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self.assertEqual(debug["during"], "{% block %}")
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self.assertEqual(debug["bottom"], 26)
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self.assertEqual(debug["top"], 5)
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self.assertEqual(debug["line"], 16)
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self.assertEqual(debug["total"], 31)
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self.assertEqual(len(debug["source_lines"]), 21)
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self.assertTrue(debug["name"].endswith("syntax_error2.html"))
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self.assertIn("message", debug)
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def test_context_processors(self):
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request = RequestFactory().get("/")
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template = self.engine.from_string("Static URL: {{ STATIC_URL }}")
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content = template.render(request=request)
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self.assertEqual(content, "Static URL: /static/")
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with self.settings(STATIC_URL="/s/"):
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content = template.render(request=request)
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self.assertEqual(content, "Static URL: /s/")
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def test_dirs_pathlib(self):
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engine = Jinja2(
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{
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"DIRS": [Path(__file__).parent / "templates" / "template_backends"],
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"APP_DIRS": False,
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"NAME": "jinja2",
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"OPTIONS": {},
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}
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)
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template = engine.get_template("hello.html")
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self.assertEqual(template.render({"name": "Joe"}), "Hello Joe!")
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def test_template_render_nested_error(self):
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template = self.engine.get_template(
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"template_backends/syntax_error_include.html"
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)
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with self.assertRaises(TemplateSyntaxError) as e:
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template.render(context={})
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debug = e.exception.template_debug
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self.assertEqual(debug["after"], "")
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self.assertEqual(debug["before"], "")
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self.assertEqual(debug["during"], "{% block %}")
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self.assertEqual(debug["bottom"], 1)
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self.assertEqual(debug["top"], 0)
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self.assertEqual(debug["line"], 1)
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self.assertEqual(debug["total"], 1)
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self.assertEqual(len(debug["source_lines"]), 1)
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self.assertTrue(debug["name"].endswith("syntax_error.html"))
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self.assertIn("message", debug)
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def test_template_render_error_nonexistent_source(self):
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template = self.engine.get_template("template_backends/hello.html")
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with mock.patch(
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"jinja2.environment.Template.render",
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side_effect=jinja2.TemplateSyntaxError("", 1, filename="nonexistent.html"),
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):
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with self.assertRaises(TemplateSyntaxError) as e:
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template.render(context={})
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debug = e.exception.template_debug
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self.assertEqual(debug["after"], "")
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self.assertEqual(debug["before"], "")
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self.assertEqual(debug["during"], "")
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self.assertEqual(debug["bottom"], 0)
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self.assertEqual(debug["top"], 0)
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self.assertEqual(debug["line"], 1)
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self.assertEqual(debug["total"], 0)
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self.assertEqual(len(debug["source_lines"]), 0)
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self.assertTrue(debug["name"].endswith("nonexistent.html"))
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self.assertIn("message", debug)
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