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rose-ash/tests/playwright/generate-sx-tests.py
giles 429c2b59f9 Hyperscript test generator: repeat loop fix, assert= arg order, quote handling 
- Don't insert 'then' inside for-in loop bodies or after 'repeat N times'
  (fixes repeat from 1/30 → 5/30)
- Allow HS sources ending with " when they don't contain embedded HTML
  (fixes set from 6/25 → 10/25, enables 18 previously-skipped tests)
- Fix assert= argument order: (actual expected), not (expected actual)
  (error messages now correctly report Expected/Got)

395 → 402/831 (+7)

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
2026-04-12 22:51:20 +00:00

792 lines
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#!/usr/bin/env python3
"""
Generate spec/tests/test-hyperscript-behavioral.sx from upstream _hyperscript test data.
Reads spec/tests/hyperscript-upstream-tests.json and produces SX deftest forms
that run in the Playwright sandbox with real DOM.
Handles two assertion formats:
- Chai-style (.should.equal / assert.*) — from v0.9.14 master tests
- Playwright-style (toHaveText / toHaveClass / etc.) — from dev branch tests (have `body` field)
Usage: python3 tests/playwright/generate-sx-tests.py
"""
import json
import re
import os
from collections import OrderedDict
PROJECT_ROOT = os.path.dirname(os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
INPUT = os.path.join(PROJECT_ROOT, 'spec/tests/hyperscript-upstream-tests.json')
OUTPUT = os.path.join(PROJECT_ROOT, 'spec/tests/test-hyperscript-behavioral.sx')
with open(INPUT) as f:
raw_tests = json.load(f)
# ── HTML parsing ──────────────────────────────────────────────────
def parse_html(html):
"""Parse HTML into list of element dicts.
Uses Python's html.parser for reliability with same-tag siblings."""
from html.parser import HTMLParser
# Remove | separators
html = html.replace(' | ', '')
elements = []
stack = []
class Parser(HTMLParser):
def handle_starttag(self, tag, attrs):
el = {
'tag': tag, 'id': None, 'classes': [], 'hs': None,
'attrs': {}, 'inner': '', 'depth': len(stack)
}
for name, val in attrs:
if name == 'id': el['id'] = val
elif name == 'class': el['classes'] = (val or '').split()
elif name == '_': el['hs'] = val
elif name == 'style': el['attrs']['style'] = val or ''
elif val is not None: el['attrs'][name] = val
stack.append(el)
# Only collect top-level elements
if el['depth'] == 0:
elements.append(el)
def handle_endtag(self, tag):
if stack and stack[-1]['tag'] == tag:
stack.pop()
def handle_data(self, data):
pass
Parser().feed(html)
return elements
# ── Variable naming ───────────────────────────────────────────────
def assign_var_names(elements):
"""Assign unique SX variable names to elements."""
var_names = []
used_names = set()
for i, el in enumerate(elements):
if el['id']:
var = f'_el-{el["id"]}'
else:
var = f'_el-{el["tag"]}'
if var in used_names:
var = f'{var}{i}'
used_names.add(var)
var_names.append(var)
return var_names
# ── Chai-style parsers (v0.9.14 master tests) ────────────────────
def parse_action(action, ref):
"""Convert upstream Chai-style action to SX. Returns list of SX expressions."""
if not action or action == '(see body)':
return []
exprs = []
for part in action.split(';'):
part = part.strip()
if not part:
continue
m = re.match(r'(\w+)\.click\(\)', part)
if m:
exprs.append(f'(dom-dispatch {ref(m.group(1))} "click" nil)')
continue
m = re.match(r'(\w+)\.dispatchEvent\(new CustomEvent\("([\w:.-]+)"', part)
if m:
exprs.append(f'(dom-dispatch {ref(m.group(1))} "{m.group(2)}" nil)')
continue
m = re.match(r'(\w+)\.setAttribute\("([\w-]+)",\s*"([^"]*)"\)', part)
if m:
exprs.append(f'(dom-set-attr {ref(m.group(1))} "{m.group(2)}" "{m.group(3)}")')
continue
m = re.match(r'(\w+)\.focus\(\)', part)
if m:
exprs.append(f'(dom-focus {ref(m.group(1))})')
continue
m = re.match(r'(\w+)\.appendChild\(document\.createElement\("(\w+)"\)', part)
if m:
exprs.append(f'(dom-append {ref(m.group(1))} (dom-create-element "{m.group(2)}"))')
continue
safe = re.sub(r'[\'\"$@`(),;\\#\[\]{}]', '_', part[:40])
exprs.append(f';; SKIP action: {safe}')
return exprs
def parse_checks(check):
"""Convert Chai assertions to SX assert forms. Returns list of SX expressions.
Only keeps post-action assertions (last occurrence per expression)."""
if not check or check == '(no explicit assertion)':
return []
all_checks = []
for part in check.split(' && '):
part = part.strip()
if not part:
continue
m = re.match(r'(\w+)\.classList\.contains\("([^"]+)"\)\.should\.equal\((true|false)\)', part)
if m:
name, cls, expected = m.group(1), m.group(2), m.group(3)
if expected == 'true':
all_checks.append(('class', name, cls, True))
else:
all_checks.append(('class', name, cls, False))
continue
m = re.match(r'(\w+)\.innerHTML\.should\.equal\("([^"]*)"\)', part)
if m:
all_checks.append(('innerHTML', m.group(1), m.group(2), None))
continue
m = re.match(r'(\w+)\.innerHTML\.should\.equal\((.+)\)', part)
if m:
all_checks.append(('innerHTML', m.group(1), m.group(2), None))
continue
m = re.match(r'(\w+)\.textContent\.should\.equal\("([^"]*)"\)', part)
if m:
all_checks.append(('textContent', m.group(1), m.group(2), None))
continue
m = re.match(r'(\w+)\.style\.(\w+)\.should\.equal\("([^"]*)"\)', part)
if m:
all_checks.append(('style', m.group(1), m.group(2), m.group(3)))
continue
m = re.match(r'(\w+)\.getAttribute\("([^"]+)"\)\.should\.equal\("([^"]*)"\)', part)
if m:
all_checks.append(('attr', m.group(1), m.group(2), m.group(3)))
continue
m = re.match(r'(\w+)\.hasAttribute\("([^"]+)"\)\.should\.equal\((true|false)\)', part)
if m:
all_checks.append(('hasAttr', m.group(1), m.group(2), m.group(3) == 'true'))
continue
m = re.match(r'getComputedStyle\((\w+)\)\.(\w+)\.should\.equal\("([^"]*)"\)', part)
if m:
all_checks.append(('computedStyle', m.group(1), m.group(2), m.group(3)))
continue
m = re.match(r'assert\.isNull\((\w+)\.parentElement\)', part)
if m:
all_checks.append(('noParent', m.group(1), None, None))
continue
m = re.match(r'assert\.isNotNull\((\w+)\.parentElement\)', part)
if m:
all_checks.append(('hasParent', m.group(1), None, None))
continue
m = re.match(r'(\w+)\.value\.should\.equal\("([^"]*)"\)', part)
if m:
all_checks.append(('value', m.group(1), m.group(2), None))
continue
all_checks.append(('skip', part[:60], None, None))
# Deduplicate: keep last per (element, property).
# Pre-action and post-action assertions for the same property get the same key,
# so only the post-action assertion (the last one) survives.
seen = {}
for c in all_checks:
typ, name = c[0], c[1]
if typ in ('class',):
key = (name, 'class', c[2])
elif typ in ('innerHTML', 'textContent'):
key = (name, 'content')
elif typ in ('style', 'computedStyle'):
key = (name, 'style', c[2])
elif typ in ('attr', 'hasAttr'):
key = (name, 'attr', c[2])
elif typ in ('noParent', 'hasParent'):
key = (name, 'parent')
elif typ in ('value',):
key = (name, 'value')
else:
key = (typ, name, c[2])
seen[key] = c
return list(seen.values())
def make_ref_fn(elements, var_names):
"""Create a ref function that maps upstream JS variable names to SX let-bound variables.
Upstream naming conventions:
- div, form, button, select — first element of that tag type
- d1, d2, d3 — elements by position (1-indexed)
- div1, div2, div3 — divs by position among same tag (1-indexed)
- bar, btn, A, B — elements by ID
"""
# Map tag → first UNNAMED element of that tag (no id)
tag_to_unnamed = {}
# Map tag → list of vars for elements of that tag (ordered)
tag_to_all = {}
id_to_var = {}
first_var = var_names[0] if var_names else '_el-div'
for i, el in enumerate(elements):
tag = el['tag']
if tag not in tag_to_unnamed and not el['id']:
tag_to_unnamed[tag] = var_names[i]
if tag not in tag_to_all:
tag_to_all[tag] = []
tag_to_all[tag].append(var_names[i])
if el['id']:
id_to_var[el['id']] = var_names[i]
tags = {'div', 'form', 'button', 'input', 'span', 'p', 'a', 'section',
'ul', 'li', 'select', 'textarea', 'details', 'dialog', 'template',
'output'}
def ref(name):
# Exact ID match first
if name in id_to_var:
return id_to_var[name]
# Bare tag name → first UNNAMED element of that tag (upstream convention:
# named elements use their ID, unnamed use their tag)
if name in tags:
if name in tag_to_unnamed:
return tag_to_unnamed[name]
# Fallback: first element of that tag (even if named)
return tag_to_all.get(name, [first_var])[0]
# Tag + number: div1→1st div, div2→2nd div, form1→1st form, etc.
m = re.match(r'^([a-z]+)(\d+)$', name)
if m:
tag_part, num = m.group(1), int(m.group(2))
if tag_part in tag_to_all:
idx = num - 1 # 1-indexed
if 0 <= idx < len(tag_to_all[tag_part]):
return tag_to_all[tag_part][idx]
# Positional: d1→1st element, d2→2nd, d3→3rd, etc.
m = re.match(r'^d(\d+)$', name)
if m:
idx = int(m.group(1)) - 1 # 1-indexed
if 0 <= idx < len(var_names):
return var_names[idx]
# Short aliases: btn → look up as ID
if name == 'btn':
return id_to_var.get('btn', tag_to_unnamed.get('button', first_var))
# Single-letter or short lowercase → try as ID, fallback to first element
if re.match(r'^[a-z]+$', name) and len(elements) > 0:
return first_var
return f'(dom-query-by-id "{name}")'
return ref
def check_to_sx(check, ref):
"""Convert a parsed Chai check tuple to an SX assertion."""
typ, name, key, val = check
r = ref(name)
if typ == 'class' and val:
return f'(assert (dom-has-class? {r} "{key}"))'
elif typ == 'class' and not val:
return f'(assert (not (dom-has-class? {r} "{key}")))'
elif typ == 'innerHTML':
escaped = key.replace('"', '\\"') if isinstance(key, str) else key
return f'(assert= (dom-inner-html {r}) "{escaped}")'
elif typ == 'textContent':
escaped = key.replace('"', '\\"')
return f'(assert= (dom-text-content {r}) "{escaped}")'
elif typ == 'style':
return f'(assert= (dom-get-style {r} "{key}") "{val}")'
elif typ == 'attr':
return f'(assert= (dom-get-attr {r} "{key}") "{val}")'
elif typ == 'hasAttr' and val:
return f'(assert (dom-has-attr? {r} "{key}"))'
elif typ == 'hasAttr' and not val:
return f'(assert (not (dom-has-attr? {r} "{key}")))'
elif typ == 'computedStyle':
return f';; SKIP computed style: {name}.{key}'
elif typ == 'noParent':
return f'(assert (nil? (dom-parent {r})))'
elif typ == 'hasParent':
return f'(assert (not (nil? (dom-parent {r}))))'
elif typ == 'value':
return f'(assert= (dom-get-prop {r} "value") "{key}")'
else:
return f';; SKIP check: {typ} {name}'
# ── Playwright-style body parser (dev branch tests) ──────────────
def selector_to_sx(selector, elements, var_names):
"""Convert a CSS selector from find('selector') to SX DOM lookup expression."""
selector = selector.strip("'\"")
if selector.startswith('#'):
# ID selector — might be compound like '#a output'
if ' ' in selector:
return f'(dom-query "{selector}")'
return f'(dom-query-by-id "{selector[1:]}")'
if selector.startswith('.'):
return f'(dom-query "{selector}")'
# Try tag match to a let-bound variable
for i, el in enumerate(elements):
if el['tag'] == selector and i < len(var_names):
return var_names[i]
# Fallback: query by tag
return f'(dom-query "{selector}")'
def parse_pw_args(args_str):
"""Parse Playwright assertion arguments like 'foo', "bar" or "name", "value"."""
args = []
for m in re.finditer(r"""(['"])(.*?)\1""", args_str):
args.append(m.group(2))
return args
def pw_assertion_to_sx(target, negated, assert_type, args_str):
"""Convert a Playwright assertion to SX."""
args = parse_pw_args(args_str)
if assert_type == 'toHaveText':
val = args[0] if args else ''
escaped = val.replace('\\', '\\\\').replace('"', '\\"')
if negated:
return f'(assert (!= (dom-text-content {target}) "{escaped}"))'
return f'(assert= (dom-text-content {target}) "{escaped}")'
elif assert_type == 'toHaveAttribute':
attr_name = args[0] if args else ''
if len(args) >= 2:
attr_val = args[1].replace('\\', '\\\\').replace('"', '\\"')
if negated:
return f'(assert (!= (dom-get-attr {target} "{attr_name}") "{attr_val}"))'
return f'(assert= (dom-get-attr {target} "{attr_name}") "{attr_val}")'
else:
if negated:
return f'(assert (not (dom-has-attr? {target} "{attr_name}")))'
return f'(assert (dom-has-attr? {target} "{attr_name}"))'
elif assert_type == 'toHaveClass':
cls = args[0] if args else ''
if not cls:
# Handle regex like /outer-clicked/
m = re.match(r'/(.+?)/', args_str)
if m:
cls = m.group(1)
if negated:
return f'(assert (not (dom-has-class? {target} "{cls}")))'
return f'(assert (dom-has-class? {target} "{cls}"))'
elif assert_type == 'toHaveCSS':
prop = args[0] if args else ''
val = args[1] if len(args) >= 2 else ''
escaped = val.replace('\\', '\\\\').replace('"', '\\"')
if negated:
return f'(assert (!= (dom-get-style {target} "{prop}") "{escaped}"))'
return f'(assert= (dom-get-style {target} "{prop}") "{escaped}")'
elif assert_type == 'toHaveValue':
val = args[0] if args else ''
escaped = val.replace('\\', '\\\\').replace('"', '\\"')
if negated:
return f'(assert (!= (dom-get-prop {target} "value") "{escaped}"))'
return f'(assert= (dom-get-prop {target} "value") "{escaped}")'
elif assert_type == 'toBeVisible':
if negated:
return f'(assert (not (dom-visible? {target})))'
return f'(assert (dom-visible? {target}))'
elif assert_type == 'toBeHidden':
if negated:
return f'(assert (dom-visible? {target}))'
return f'(assert (not (dom-visible? {target})))'
elif assert_type == 'toBeChecked':
if negated:
return f'(assert (not (dom-get-prop {target} "checked")))'
return f'(assert (dom-get-prop {target} "checked"))'
return None
def parse_dev_body(body, elements, var_names):
"""Parse Playwright test body to extract actions and post-action assertions.
Returns a single ordered list of SX expression strings (actions and assertions
interleaved in their original order). Pre-action assertions are skipped.
"""
ops = []
found_first_action = False
for line in body.split('\n'):
line = line.strip()
# Skip comments
if line.startswith('//'):
continue
# Action: find('selector').click() or .dispatchEvent('event')
m = re.search(r"find\((['\"])(.+?)\1\)\.(click|dispatchEvent)\(([^)]*)\)", line)
if m and 'expect' not in line:
found_first_action = True
selector = m.group(2)
action_type = m.group(3)
action_arg = m.group(4).strip("'\"")
target = selector_to_sx(selector, elements, var_names)
if action_type == 'click':
ops.append(f'(dom-dispatch {target} "click" nil)')
elif action_type == 'dispatchEvent':
ops.append(f'(dom-dispatch {target} "{action_arg}" nil)')
continue
# Skip lines before first action (pre-checks, setup)
if not found_first_action:
continue
# Assertion: expect(find('selector')).[not.]toHaveText("value")
m = re.search(
r"expect\(find\((['\"])(.+?)\1\)\)\.(not\.)?"
r"(toHaveText|toHaveClass|toHaveCSS|toHaveAttribute|toHaveValue|toBeVisible|toBeHidden|toBeChecked)"
r"\(([^)]*)\)",
line
)
if m:
selector = m.group(2)
negated = bool(m.group(3))
assert_type = m.group(4)
args_str = m.group(5)
target = selector_to_sx(selector, elements, var_names)
sx = pw_assertion_to_sx(target, negated, assert_type, args_str)
if sx:
ops.append(sx)
continue
return ops
# ── Test generation ───────────────────────────────────────────────
def emit_element_setup(lines, elements, var_names):
"""Emit SX for creating elements, setting attributes, appending to body, and activating."""
for i, el in enumerate(elements):
var = var_names[i]
if el['id']:
lines.append(f' (dom-set-attr {var} "id" "{el["id"]}")')
for cls in el['classes']:
lines.append(f' (dom-add-class {var} "{cls}")')
if el['hs']:
hs_val = el['hs']
hs_val = hs_val.replace('\\', '')
# Newlines/tabs in _hyperscript act as implicit 'then' separators.
# Only insert 'then' before command keywords, not within expressions.
cmd_kws = r'(?:set|put|get|add|remove|toggle|hide|show|if|repeat|for|wait|send|trigger|log|call|take|throw|return|append|tell|go|halt|settle|increment|decrement|fetch|make|install|measure|empty|reset|swap|default|morph|render|scroll|focus|select|pick|beep!)'
# Replace multi-whitespace before a command keyword with ' then '
hs_val = re.sub(r'\s{2,}(?=' + cmd_kws + r'\b)', ' then ', hs_val)
# Also handle actual newlines
hs_val = re.sub(r'\s*[\n\r]\s*', ' then ', hs_val)
# Clean up: collapse spaces, dedupe then
hs_val = re.sub(r'\s+', ' ', hs_val)
hs_val = re.sub(r'(then\s*)+then', 'then', hs_val)
# Don't insert 'then' between event name and first command in 'on' handlers
hs_val = re.sub(r'\bon (\w[\w.:+-]*) then\b', r'on \1 ', hs_val)
# Don't insert 'then' inside for-in loop bodies (between collection and body)
hs_val = re.sub(r'(\bin \[.*?\]) then\b', r'\1 ', hs_val)
# Don't insert 'then' after 'times' in repeat N times loops
hs_val = re.sub(r'\btimes then\b', 'times ', hs_val)
hs_val = hs_val.strip()
if not hs_val:
lines.append(f' (dom-append (dom-body) {var})')
continue
if hs_val.startswith('"') or (hs_val.endswith('"') and '<' in hs_val):
lines.append(f' ;; HS source has bare quotes or embedded HTML')
lines.append(f' (dom-append (dom-body) {var})')
continue
hs_escaped = hs_val.replace('\\', '\\\\').replace('"', '\\"')
lines.append(f' (dom-set-attr {var} "_" "{hs_escaped}")')
for aname, aval in el['attrs'].items():
if '\\' in aval or '\n' in aval or aname.startswith('['):
lines.append(f' ;; SKIP attr {aname} (contains special chars)')
continue
aval_escaped = aval.replace('"', '\\"')
lines.append(f' (dom-set-attr {var} "{aname}" "{aval_escaped}")')
lines.append(f' (dom-append (dom-body) {var})')
if el['hs']:
lines.append(f' (hs-activate! {var})')
def generate_test_chai(test, elements, var_names, idx):
"""Generate SX deftest using Chai-style action/check fields."""
ref = make_ref_fn(elements, var_names)
actions = parse_action(test['action'], ref)
checks = parse_checks(test['check'])
lines = []
lines.append(f' (deftest "{test["name"]}"')
lines.append(' (hs-cleanup!)')
bindings = [f'({var_names[i]} (dom-create-element "{el["tag"]}"))' for i, el in enumerate(elements)]
lines.append(f' (let ({" ".join(bindings)})')
emit_element_setup(lines, elements, var_names)
for action in actions:
lines.append(f' {action}')
for check in checks:
sx = check_to_sx(check, ref)
lines.append(f' {sx}')
lines.append(' ))')
return '\n'.join(lines)
def generate_test_pw(test, elements, var_names, idx):
"""Generate SX deftest using Playwright-style body field."""
ops = parse_dev_body(test['body'], elements, var_names)
lines = []
lines.append(f' (deftest "{test["name"]}"')
lines.append(' (hs-cleanup!)')
bindings = [f'({var_names[i]} (dom-create-element "{el["tag"]}"))' for i, el in enumerate(elements)]
lines.append(f' (let ({" ".join(bindings)})')
emit_element_setup(lines, elements, var_names)
for op in ops:
lines.append(f' {op}')
lines.append(' ))')
return '\n'.join(lines)
def js_val_to_sx(val):
"""Convert a JS literal value to SX."""
val = val.strip()
if val == 'true': return 'true'
if val == 'false': return 'false'
if val in ('null', 'undefined'): return 'nil'
if val.startswith('"') or val.startswith("'"):
return '"' + val.strip("\"'") + '"'
# Arrays: [1, 2, 3] → (list 1 2 3)
if val.startswith('[') and val.endswith(']'):
inner = val[1:-1].strip()
if not inner:
return '(list)'
items = [js_val_to_sx(x.strip()) for x in split_top_level(inner)]
return '(list ' + ' '.join(items) + ')'
try:
float(val)
return val
except ValueError:
return f'"{val}"'
def split_top_level(s):
"""Split a string by commas, respecting brackets/quotes."""
parts = []
depth = 0
current = []
in_str = None
for ch in s:
if in_str:
current.append(ch)
if ch == in_str:
in_str = None
elif ch in ('"', "'"):
in_str = ch
current.append(ch)
elif ch in ('(', '[', '{'):
depth += 1
current.append(ch)
elif ch in (')', ']', '}'):
depth -= 1
current.append(ch)
elif ch == ',' and depth == 0:
parts.append(''.join(current))
current = []
else:
current.append(ch)
if current:
parts.append(''.join(current))
return parts
def extract_hs_expr(raw):
"""Clean a HS expression extracted from run() call."""
# Remove surrounding whitespace and newlines
expr = raw.strip().replace('\n', ' ').replace('\t', ' ')
# Collapse multiple spaces
expr = re.sub(r'\s+', ' ', expr)
# Escape quotes for SX string
expr = expr.replace('\\', '').replace('"', '\\"')
return expr
def generate_eval_only_test(test, idx):
"""Generate SX deftest for no-HTML tests using eval-hs.
Handles patterns:
- run("expr").toBe(val)
- expect(run("expr")).toBe(val)
- var result = await run(`expr`); expect(result).toBe(val)
- run("expr").toEqual([...])
- run("expr").toThrow()
"""
body = test.get('body', '')
lines = []
safe_name = test["name"].replace('"', "'")
lines.append(f' (deftest "{safe_name}"')
assertions = []
# Pattern 1: Inline — run("expr").toBe(val) or expect(run("expr")).toBe(val)
for m in re.finditer(
r'(?:expect\()?(?:await\s+)?run\((["\x27`])(.+?)\1\)\)?\.toBe\(([^)]+)\)',
body, re.DOTALL
):
hs_expr = extract_hs_expr(m.group(2))
expected_sx = js_val_to_sx(m.group(3))
assertions.append(f' (assert= (eval-hs "{hs_expr}") {expected_sx})')
# Pattern 1b: Inline — run("expr").toEqual([...])
for m in re.finditer(
r'(?:expect\()?(?:await\s+)?run\((["\x27`])(.+?)\1\)\)?\.toEqual\((\[.*?\])\)',
body, re.DOTALL
):
hs_expr = extract_hs_expr(m.group(2))
expected_sx = js_val_to_sx(m.group(3))
assertions.append(f' (assert= (eval-hs "{hs_expr}") {expected_sx})')
# Pattern 2: Two-line — var result = await run(`expr`); expect(result).toBe(val)
if not assertions:
run_match = re.search(
r'(?:var|let|const)\s+\w+\s*=\s*(?:await\s+)?run\((["\x27`])(.+?)\1\)',
body, re.DOTALL
)
if run_match:
hs_expr = extract_hs_expr(run_match.group(2))
for m in re.finditer(r'\.toBe\(([^)]+)\)', body):
expected_sx = js_val_to_sx(m.group(1))
assertions.append(f' (assert= (eval-hs "{hs_expr}") {expected_sx})')
for m in re.finditer(r'\.toEqual\((\[.*?\])\)', body, re.DOTALL):
expected_sx = js_val_to_sx(m.group(1))
assertions.append(f' (assert= (eval-hs "{hs_expr}") {expected_sx})')
# Pattern 3: toThrow — expect(() => run("expr")).toThrow()
for m in re.finditer(
r'run\((["\x27`])(.+?)\1\).*?\.toThrow\(\)',
body, re.DOTALL
):
hs_expr = extract_hs_expr(m.group(2))
assertions.append(f' (assert-throws (eval-hs "{hs_expr}"))')
if not assertions:
return None # Can't convert this body pattern
for a in assertions:
lines.append(a)
lines.append(' )')
return '\n'.join(lines)
def generate_test(test, idx):
"""Generate SX deftest for an upstream test. Dispatches to Chai, PW, or eval-only."""
elements = parse_html(test['html'])
if not elements and not test.get('html', '').strip():
# No HTML — try eval-only conversion
return generate_eval_only_test(test, idx)
if not elements:
return None
var_names = assign_var_names(elements)
if test.get('body'):
return generate_test_pw(test, elements, var_names, idx)
else:
return generate_test_chai(test, elements, var_names, idx)
# ── Output generation ─────────────────────────────────────────────
output = []
output.append(';; Hyperscript behavioral tests — auto-generated from upstream _hyperscript test suite')
output.append(f';; Source: spec/tests/hyperscript-upstream-tests.json ({len(raw_tests)} tests, v0.9.14 + dev)')
output.append(';; DO NOT EDIT — regenerate with: python3 tests/playwright/generate-sx-tests.py')
output.append('')
output.append(';; ── Test helpers ──────────────────────────────────────────────────')
output.append('')
output.append('(define hs-test-el')
output.append(' (fn (tag hs-src)')
output.append(' (let ((el (dom-create-element tag)))')
output.append(' (dom-set-attr el "_" hs-src)')
output.append(' (dom-append (dom-body) el)')
output.append(' (hs-activate! el)')
output.append(' el)))')
output.append('')
output.append('(define hs-cleanup!')
output.append(' (fn ()')
output.append(' (dom-set-inner-html (dom-body) "")))')
output.append('')
# Group by category
categories = OrderedDict()
for t in raw_tests:
cat = t['category']
if cat not in categories:
categories[cat] = []
categories[cat].append(t)
total = 0
skipped = 0
generated_counts = {} # cat -> (generated, stubbed)
for cat, tests in categories.items():
output.append(f';; ── {cat} ({len(tests)} tests) ──')
output.append(f'(defsuite "hs-upstream-{cat}"')
cat_gen = 0
cat_stub = 0
for i, t in enumerate(tests):
sx = generate_test(t, i)
if sx:
output.append(sx)
total += 1
cat_gen += 1
else:
safe_name = t['name'].replace('"', "'")
output.append(f' (deftest "{safe_name}"')
output.append(f' (error "NOT IMPLEMENTED: test HTML could not be parsed into SX"))')
total += 1
cat_stub += 1
output.append(')')
output.append('')
generated_counts[cat] = (cat_gen, cat_stub)
with open(OUTPUT, 'w') as f:
f.write('\n'.join(output))
# Report
has_body = sum(1 for t in raw_tests if t.get('body'))
print(f'Generated {total} tests -> {OUTPUT}')
print(f' Source: {len(raw_tests)} tests ({len(raw_tests) - has_body} Chai-style, {has_body} Playwright-style)')
print(f' Categories: {len(categories)}')
for cat, (gen, stub) in generated_counts.items():
marker = '' if stub == 0 else f' ({stub} stubs)'
print(f' {cat}: {gen}{marker}')
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