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hermes-webui/tests/test_886_ordered_list_numbering.py
T

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Python

"""
Tests for #886: ordered list items always rendered as "1." regardless of position.
Root cause: when LLMs output numbered lists with blank lines between items,
the paragraph-splitter in renderMd() splits the markdown into one chunk per item,
so the ordered-list regex wraps each item in its own <ol>. Each <ol> restarts
at 1, producing "1. 1. 1." instead of "1. 2. 3.".
Fix: emit value="N" on every <li> so the correct ordinal is preserved even when
items end up in separate <ol> containers after the paragraph split.
The list stage was rewritten for #6700 into a single-pass, mixed-marker parser
(a stack keyed by indentation + marker kind). These static assertions pin the
parts of that implementation that keep #886 working: the ordered-marker digit
capture and the value="N" emission on <li>.
"""
import os
import re
UI_JS = os.path.join(os.path.dirname(__file__), '..', 'static', 'ui.js')
def get_ui_js():
return open(UI_JS, encoding='utf-8').read()
class TestOrderedListNumbering:
def _ordered_list_block(self, src: str) -> str:
start = src.find("function _renderListBlock(lines){")
assert start != -1, "_renderListBlock helper not found in ui.js"
end = src.find("function _renderLists(src){", start)
assert end != -1, "_renderLists helper not found after _renderListBlock"
return src[start:end]
def _ordered_list_dispatch_block(self, src: str) -> str:
start = src.find("s=_renderLists(s);")
assert start != -1, "list dispatch not found in ui.js"
return src[max(0, start - 260):start + 80]
def test_li_value_attr_present_in_ordered_list_block(self):
"""The ordered-list renderer must emit value= on each <li>."""
src = get_ui_js()
ol_block = self._ordered_list_block(src)
assert 'value=' in ol_block, (
"Ordered-list block must emit value= attribute on <li> elements to "
"preserve numbering when items are separated by blank lines (#886)"
)
def test_li_value_uses_parsed_number(self):
"""The value= must be derived from parseInt of the captured digits, not hardcoded."""
src = get_ui_js()
ol_block = self._ordered_list_block(src)
assert 'parseInt' in ol_block, (
"Ordered-list block should use parseInt() to parse the list number (#886)"
)
def test_marker_digit_capture_present(self):
"""The ordered branch must still capture digits from the markdown marker."""
src = get_ui_js()
ol_block = self._ordered_list_block(src)
assert "\\d+\\." in ol_block or re.search(r"\(\\d\+\)\\\.", ol_block), (
"Ordered-list block should keep a digit marker pattern for numbered items (#886)"
)
def test_valAttr_or_value_template_present(self):
"""The <li> template must include the value attribute conditionally or unconditionally."""
src = get_ui_js()
ol_block = self._ordered_list_block(src)
has_value_attr = 'valueAttr' in ol_block
has_inline_value = re.search(r'<li.*value=', ol_block)
assert has_value_attr or has_inline_value, (
"Ordered-list block must have value= on <li> (via valueAttr var or inline) (#886)"
)
def test_ordered_list_comment_references_issue(self):
"""A comment near the list dispatch should reference #886 or the symptom."""
src = get_ui_js()
context = self._ordered_list_dispatch_block(src)
has_comment = '#886' in context or '1. 1. 1.' in context or 'blank lines' in context.lower()
assert has_comment, (
"Expected a comment near the list dispatch explaining the blank-line issue (#886)"
)
def test_lists_route_through_single_shared_helper(self):
"""All list rendering must flow through the single-pass shared helper."""
src = get_ui_js()
dispatch = self._ordered_list_dispatch_block(src)
assert "s=_renderLists(s);" in dispatch, (
"List rendering should route through the single-pass _renderLists helper"
)