feat(http/parser): extend query selector

tests/unit/byteb4rb1e/utils/http/parser/test_node.py

@@ -7,14 +7,6 @@ from byteb4rb1e.utils.http.parser import Node, TreeBuilder
 def sample_dom():
     """
     Build a small DOM tree for testing:
-
-    <div id="root" class="container">
-        <p class="text">Hello</p>
-        <span class="text highlight">World</span>
-        <div class="box">
-            <span id="inner">Inside</span>
-        </div>
-    </div>
     """
     html = """
     <div id="root" class="container">
@@ -22,6 +14,7 @@ def sample_dom():
         <span class="text highlight">World</span>
         <div class="box">
             <span id="inner">Inside</span>
+            <span id="inner2">Inside Too</span>
         </div>
     </div>
     """
@@ -33,9 +26,10 @@ def sample_dom():
 class TestGetElementsByTagName:
     def test_find_all_spans(self, sample_dom):
         spans = sample_dom.get_elements_by_tag_name("span")
-        assert len(spans) == 2
+        assert len(spans) == 3
         assert spans[0].tag == "span"
         assert spans[1].tag == "span"
+        assert spans[2].tag == "span"
 
     def test_find_no_matches(self, sample_dom):
         assert sample_dom.get_elements_by_tag_name("table") == []
@@ -82,15 +76,53 @@ class TestQuerySelectorAll:
         assert items[0].inner_content == "Hello"
 
     def test_chained_selector(self, sample_dom):
-        items = sample_dom.query_selector_all("div .highlight")
+        items = sample_dom.query_selector_all(".text .highlight")
         assert len(items) == 1
         assert items[0].inner_content == "World"
 
+    def test_direct_child(self, sample_dom):
+        items = sample_dom.query_selector_all(".box > #inner")
+        assert len(items) == 1
+        assert items[0].inner_content == "Inside"
+
+    def test_direct_child_no_match(self, sample_dom):
+        items = sample_dom.query_selector_all("div > span.highlight")
+        # highlight span is NOT a direct child of inner div
+        assert len(items) == 0
+
+    def test_attribute_match(self, sample_dom):
+        items = sample_dom.query_selector_all('[id="inner"]')
+        assert len(items) == 1
+        assert items[0].inner_content == "Inside"
+
+    def test_attribute_no_match(self, sample_dom):
+        items = sample_dom.query_selector_all('[data-x="nope"]')
+        assert items == []
+
+    def test_tag_class(self, sample_dom):
+        items = sample_dom.query_selector_all("span.highlight")
+        assert len(items) == 1
+        assert items[0].inner_content == "World"
+
+    def test_multiple_classes(self, sample_dom):
+        items = sample_dom.query_selector_all(".text.highlight")
+        assert len(items) == 1
+        assert items[0].inner_content == "World"
+
+    def test_tag_id_class(self, sample_dom):
+        items = sample_dom.query_selector_all("span#inner")
+        assert len(items) == 1
+        assert items[0].inner_content == "Inside"
+
+    def test_descendant(self, sample_dom):
+        items = sample_dom.query_selector_all("div span")
+        assert len(items) == 2
+
 
 class TestXPath:
     def test_simple_tag(self, sample_dom):
         spans = sample_dom.xpath("//span")
-        assert len(spans) == 2
+        assert len(spans) == 3
 
     def test_attribute_match(self, sample_dom):
         nodes = sample_dom.xpath('//span[@id="inner"]')