added tests for all formatters; stylecheck workflow now also checks in tests now

tests/formatters/tests_if_formatter.py

@@ -0,0 +1,30 @@
+import unittest
+from bs4 import BeautifulSoup
+from html_to_django.formatters.if_formatter import format
+
+
+class TestIfFormatter(unittest.TestCase):
+    def test_format(self) -> None:
+        soup = BeautifulSoup('<div dj-if="condition">Test</div>', "html.parser")
+        format(soup)
+        expected_result = "{% if condition %}Test{% endif %}"
+        self.assertEqual(expected_result, str(soup))
+
+    def test_format_with_elif(self) -> None:
+        soup = BeautifulSoup('<div dj-if="condition1">Test</div><div dj-elif="condition2">Test2</div>', "html.parser")
+        format(soup)
+        expected_result = "{% if condition1 %}Test{% elif condition2 %}Test2{% endif %}"
+        self.assertEqual(expected_result, str(soup))
+
+    def test_format_with_else(self) -> None:
+        soup = BeautifulSoup('<div dj-if="condition1">Test</div><div dj-else>Test2</div>', "html.parser")
+        format(soup)
+        expected_result = "{% if condition1 %}Test{% else %}Test2{% endif %}"
+        self.assertEqual(expected_result, str(soup))
+
+    def test_format_with_elif_and_else(self) -> None:
+        soup = BeautifulSoup('<div dj-if="condition1">Test</div><div dj-elif="condition2">Test2</div>'
+                             '<div dj-else>Test3</div>', "html.parser")
+        format(soup)
+        expected_result = "{% if condition1 %}Test{% elif condition2 %}Test2{% else %}Test3{% endif %}"
+        self.assertEqual(expected_result, str(soup))