"""Tests for HTML parsing functionality."""
from src.parser.html import parse_html, Text, Element
def collect_text(node):
texts = []
if isinstance(node, Text):
texts.append(node.text)
if hasattr(node, "children"):
for child in node.children:
texts.extend(collect_text(child))
return texts
class TestParseHTML:
def test_parse_simple_text(self):
html = "Hello World"
root = parse_html(html)
assert isinstance(root, Element)
assert root.tag == "html"
assert len(root.children) == 1
body = root.children[0]
assert body.tag == "body"
texts = collect_text(body)
joined = " ".join(texts)
assert "Hello World" in joined
def test_parse_strips_tags(self):
html = "Hello
World
"
root = parse_html(html)
body = root.children[0]
joined = " ".join(collect_text(body))
assert "Hello" in joined
assert "World" in joined
def test_parse_removes_script_tags(self):
html = "VisibleText"
root = parse_html(html)
body = root.children[0]
joined = " ".join(collect_text(body))
assert "Visible" in joined
assert "Text" in joined
assert "alert" not in joined
assert "script" not in joined.lower()
def test_parse_removes_style_tags(self):
html = "TextMore"
root = parse_html(html)
body = root.children[0]
joined = " ".join(collect_text(body))
assert "Text" in joined
assert "More" in joined
assert "color" not in joined
def test_parse_decodes_entities(self):
html = "<div> & "test""
root = parse_html(html)
body = root.children[0]
joined = " ".join(collect_text(body))
assert "" in joined
assert "&" in joined
assert '"test"' in joined
def test_parse_normalizes_whitespace(self):
html = "Hello \n\n World"
root = parse_html(html)
body = root.children[0]
joined = " ".join(collect_text(body))
# Multiple whitespace should be collapsed
assert "Hello World" in joined
def test_parse_empty_document(self):
html = ""
root = parse_html(html)
assert isinstance(root, Element)
assert root.tag == "html"
body = root.children[0]
assert body.tag == "body"
# Empty body should have no text children
assert len(collect_text(body)) == 0