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

tests/formatters/tests_style_raw_formatter.py

@@ -0,0 +1,23 @@
+from unittest import TestCase
+from bs4 import BeautifulSoup
+from html_to_django.formatters.style_raw_formatter import format
+
+
+class TestStyleRawFormat(TestCase):
+    def test_format(self) -> None:
+        soup = BeautifulSoup('<div dj-style-raw="color;red~width;100px" style="font-size:16px"></div>', "html.parser")
+        format(soup)
+        expected_result = '<div style="font-size:16px;color:red;width:100px;"></div>'
+        self.assertEqual(expected_result, str(soup))
+
+    def test_format_with_existing_style(self) -> None:
+        soup = BeautifulSoup('<div dj-style-raw="color;red" style="color:blue;font-size:16px"></div>', "html.parser")
+        format(soup)
+        expected_result = '<div style="color:red;font-size:16px;"></div>'
+        self.assertEqual(expected_result, str(soup))
+
+    def test_format_with_no_style(self) -> None:
+        soup = BeautifulSoup('<div dj-style-raw="color;red~width;100px"></div>', "html.parser")
+        format(soup)
+        expected_result = '<div style="color:red;width:100px;"></div>'
+        self.assertEqual(expected_result, str(soup))