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Registering the same component twice only renders one dependency <link> and <script> tag.

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This commit is contained in:
Emil Stenström 2015-06-19 19:30:20 +02:00
parent be574fb520
commit 7bc1096e94
2 changed files with 16 additions and 3 deletions
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4
django_components/templatetags/component_tags.py
View file

@ -5,8 +5,10 @@ register = template.Library()
@register.simple_tag(name="component_dependencies")
def component_dependencies_tag():
unique_component_classes = set(registry._registry.values())
out = []
for component_class in registry._registry.values():
for component_class in unique_component_classes:
out.append(component_class.render_dependencies())
return "\n".join(out)

15
tests/test_templatetags.py
View file

@ -20,7 +20,7 @@ class ComponentTemplateTagTest(unittest.TestCase):
# NOTE: component.registry is global, so need to clear before each test
component.registry._registry = {}
def test_component_dependencies(self):
def test_single_component_dependencies(self):
component.registry.register(name="test", component=SimpleComponent)
template = Template('{% load component_tags %}{% component_dependencies %}')
@ -30,9 +30,20 @@ class ComponentTemplateTagTest(unittest.TestCase):
<script type="text/javascript" src="script.js"></script>
""").strip())
def test_component(self):
def test_single_component(self):
component.registry.register(name="test", component=SimpleComponent)
template = Template('{% load component_tags %}{% component name="test" variable="variable" %}')
rendered = template.render(Context({}))
self.assertEqual(rendered, "Variable: <strong>variable</strong>\n")
def test_multiple_component_dependencies(self):
component.registry.register(name="test1", component=SimpleComponent)
component.registry.register(name="test2", component=SimpleComponent)
template = Template('{% load component_tags %}{% component_dependencies %}')
rendered = template.render(Context())
self.assertEqual(rendered, dedent("""
<link href="style.css" type="text/css" media="all" rel="stylesheet" />
<script type="text/javascript" src="script.js"></script>
""").strip())