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Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
88 lines
3 KiB
Python
88 lines
3 KiB
Python
from typing import Callable
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from django.template import Context, Template
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from django_components import Component, register, registry, types
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from .django_test_setup import setup_test_config
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from .testutils import BaseTestCase, parametrize_context_behavior
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setup_test_config({"autodiscover": False})
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class SlottedComponent(Component):
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template_file = "slotted_template.html"
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def _get_templates_used_to_render(subject_template, render_context=None):
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"""Emulate django.test.client.Client (see request method)."""
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from django.test.signals import template_rendered
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templates_used = []
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def receive_template_signal(sender, template, context, **_kwargs):
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templates_used.append(template.name)
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template_rendered.connect(receive_template_signal, dispatch_uid="test_method")
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subject_template.render(render_context or Context({}))
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template_rendered.disconnect(dispatch_uid="test_method")
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return templates_used
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class TemplateSignalTest(BaseTestCase):
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saved_render_method: Callable # Assigned during setup.
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def tearDown(self):
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super().tearDown()
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Template._render = self.saved_render_method
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def setUp(self):
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"""Emulate Django test instrumentation for TestCase (see setup_test_environment)"""
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super().setUp()
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from django.test.utils import instrumented_test_render
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self.saved_render_method = Template._render
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Template._render = instrumented_test_render
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registry.clear()
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registry.register("test_component", SlottedComponent)
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@register("inner_component")
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class SimpleComponent(Component):
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template_file = "simple_template.html"
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def get_context_data(self, variable, variable2="default"):
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return {
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"variable": variable,
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"variable2": variable2,
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}
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class Media:
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css = "style.css"
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js = "script.js"
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@parametrize_context_behavior(["django", "isolated"])
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def test_template_rendered(self):
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template_str: types.django_html = """
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{% load component_tags %}
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{% component 'test_component' %}{% endcomponent %}
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"""
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template = Template(template_str, name="root")
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templates_used = _get_templates_used_to_render(template)
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self.assertIn("slotted_template.html", templates_used)
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@parametrize_context_behavior(["django", "isolated"])
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def test_template_rendered_nested_components(self):
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template_str: types.django_html = """
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{% load component_tags %}
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{% component 'test_component' %}
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{% fill "header" %}
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{% component 'inner_component' variable='foo' %}{% endcomponent %}
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{% endfill %}
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{% endcomponent %}
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"""
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template = Template(template_str, name="root")
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templates_used = _get_templates_used_to_render(template)
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self.assertIn("slotted_template.html", templates_used)
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self.assertIn("simple_template.html", templates_used)
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