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openswarm/backend/tests/test_browser_batch_replay.py
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"""Intra-run batch replay: the pure validate / gate / fill core.
The highest-ghost-risk feature, so these pin down the two guarantees: (1) sends
are gated (never auto-looped), (2) the template fills correctly so a verified
replay is exact. Edge cases are deliberate, this is the 'no shadow of a doubt' set.
"""
from backend.apps.agents.browser import browser_batch_replay as br
# --- structural validation ---------------------------------------------------
def test_validate_rejects_empty_and_garbage():
assert br.validate_template([])[0] is False
assert br.validate_template("nope")[0] is False
assert br.validate_template([{"action": "fly"}])[0] is False # unknown action
assert br.validate_template([{"action": "navigate"}])[0] is False # missing url
assert br.validate_template([{"action": "type", "selector": "#q"}])[0] is False # missing text
def test_validate_accepts_a_well_formed_read_loop():
ok, why = br.validate_template([
{"action": "navigate", "url": "https://x.com/search?q={{value}}"},
{"action": "get_text"},
])
assert ok and why == ""
def test_validate_accepts_all_known_actions():
steps = [
{"action": "navigate", "url": "u"},
{"action": "get_text"},
{"action": "evaluate", "expression": "1"},
{"action": "type", "selector": "#q", "text": "{{value}}"},
{"action": "click", "role": "link", "name": "{{value}}"},
{"action": "press_key", "key": "Enter"},
{"action": "scroll", "direction": "down", "amount": 3},
{"action": "replay_route", "url": "https://x.com/api?q={{value}}"},
]
assert br.validate_template(steps)[0] is True
# --- the send gate (the safety guarantee) -----------------------------------
def test_send_and_submit_clicks_are_gated():
for name in ["Send", "Send message", "Submit", "Connect", "Post", "Pay now",
"Buy", "Place order", "Delete", "Apply", "Follow", "Accept"]:
safe, why = br.template_safety([
{"action": "navigate", "url": "u"},
{"action": "click", "role": "button", "name": name},
])
assert safe is False, f"{name!r} must be gated"
assert "irreversible" in why or "one at a time" in why
def test_typing_into_a_message_composer_is_gated():
safe, _ = br.template_safety([
{"action": "type", "selector": "div.msg-form__contenteditable", "text": "hi {{value}}"},
])
assert safe is False
def test_pure_read_navigate_loop_is_safe():
safe, why = br.template_safety([
{"action": "navigate", "url": "https://x.com/in/{{value}}"},
{"action": "get_text"},
{"action": "evaluate", "expression": "document.title"},
])
assert safe is True and why == ""
def test_a_benign_click_is_allowed_but_a_send_anywhere_gates_the_whole_thing():
# clicking a non-send control (e.g. a result link) is fine to loop
assert br.template_safety([{"action": "click", "role": "link", "name": "View profile"}])[0] is True
# but ONE send step anywhere makes the whole template unsafe
assert br.template_safety([
{"action": "navigate", "url": "u"},
{"action": "click", "role": "link", "name": "Open"},
{"action": "click", "role": "button", "name": "Send invite"},
])[0] is False
# --- substitution (a verified replay is only as good as the fill) -----------
def test_fill_substitutes_value_everywhere():
tool, params = br.fill_step({"action": "navigate", "url": "https://x.com/in/{{value}}/about"}, "ada")
assert (tool, params) == ("BrowserNavigate", {"url": "https://x.com/in/ada/about"})
tool, params = br.fill_step({"action": "type", "selector": "#q", "text": "{{value}} engineer"}, "design")
assert params == {"selector": "#q", "text": "design engineer"}
tool, params = br.fill_step({"action": "click", "role": "link", "name": "{{value}}"}, "Ada Lovelace")
assert tool == "BrowserClickByName" and params == {"role": "link", "name": "Ada Lovelace"}
def test_replay_route_maps_to_the_fast_network_tool():
tool, params = br.fill_step({"action": "replay_route", "url": "https://x.com/api/p?u={{value}}"}, "ada")
assert tool == "BrowserReplayRoute" and params == {"url": "https://x.com/api/p?u=ada"}
def test_fill_handles_a_value_with_url_characters():
# a value with spaces/specials is substituted literally (caller is responsible for encoding); we just don't mangle or drop it
tool, params = br.fill_step({"action": "navigate", "url": "https://x.com/s?q={{value}}"}, "a b&c")
assert params["url"] == "https://x.com/s?q=a b&c"
def test_fill_template_runs_every_step_per_value():
steps = [{"action": "navigate", "url": "u/{{value}}"}, {"action": "get_text"}]
filled = br.fill_template(steps, "x")
assert [t for t, _ in filled] == ["BrowserNavigate", "BrowserGetText"]
def test_is_readonly_template():
assert br.is_readonly_template([{"action": "navigate", "url": "u"}, {"action": "get_text"}])
assert not br.is_readonly_template([{"action": "type", "selector": "#q", "text": "x"}])
# --- the data return: batch-read must hand back what it read ----------------
def test_summarize_returns_each_items_data():
recs = [
{"value": "ada", "ok": True, "text": "Ada Lovelace was a mathematician."},
{"value": "grace", "ok": True, "text": "Grace Hopper was a computer scientist."},
]
out = br.summarize_batch(recs, readonly=True)
assert "Read 2 of 2." in out
assert "ada: Ada Lovelace was a mathematician." in out
assert "grace: Grace Hopper was a computer scientist." in out
def test_summarize_is_honest_about_failures_with_reasons():
recs = [
{"value": "ada", "ok": True, "text": "data"},
{"value": "knuth", "ok": False, "text": "404 not found"},
]
out = br.summarize_batch(recs, readonly=True)
assert "Read 1 of 2." in out
assert "knuth (404 not found)" in out
assert "handle them individually" in out
def test_summarize_caps_each_item_and_total_without_silent_loss():
big = "x" * 2000
recs = [{"value": f"p{i}", "ok": True, "text": big} for i in range(30)]
out = br.summarize_batch(recs, readonly=True, max_item_chars=100, max_total_chars=500)
# each shown item is capped...
assert "x" * 101 not in out
# ...and the ones past the budget are NAMED as overflow, never silently dropped
assert "more done but not shown" in out
# every value is accounted for: shown bodies + overflow names cover all 30
shown = out.count("- p")
assert "+%d more" % (30 - shown) in out or "more done but not shown" in out
def test_summarize_action_loop_uses_completed_verb():
recs = [{"value": "x", "ok": True, "text": "Clicked Save"}]
assert br.summarize_batch(recs, readonly=False).startswith("Completed 1 of 1.")
assert br.summarize_batch(recs, readonly=True).startswith("Read 1 of 1.")
def test_summarize_handles_empty_content():
recs = [{"value": "x", "ok": True, "text": ""}]
out = br.summarize_batch(recs, readonly=True)
assert "x: (done, no content)" in out
# --- live batch send-guard ----------------------------------------------------
SEEN = {
'[4] button "Send"',
'[41] link "Next page"',
'[7] button "Message"',
'[12] button "Connect"',
}
def p_click_idx(i):
return {"type": "click_index", "params": {"index": i}}
def test_guard_blocks_send_click_index_resolved_from_state():
why = br.live_batch_guard([p_click_idx(4)], SEEN)
assert "irreversible" in why and "Send" in why
def test_guard_blocks_connect_but_allows_message_composer_opener():
assert br.live_batch_guard([p_click_idx(12)], SEEN) != ""
assert br.live_batch_guard([p_click_idx(7)], SEEN) == ""
def test_guard_index_prefix_does_not_collide():
# [4] is "Send" but [41] is "Next page"; clicking 41 must pass
assert br.live_batch_guard([p_click_idx(41)], SEEN) == ""
def test_guard_allows_unresolvable_index_and_garbage():
assert br.live_batch_guard([p_click_idx(99)], SEEN) == ""
assert br.live_batch_guard([{"type": "click_index"}, "junk", None], SEEN) == ""
assert br.live_batch_guard(None, set()) == ""
def test_guard_blocks_send_shaped_click_selector():
why = br.live_batch_guard(
[{"type": "click", "params": {"selector": "button.msg-form__send-button"}}], set())
assert "irreversible" in why
def test_guard_blocks_enter_after_typing_into_composer():
why = br.live_batch_guard([
{"type": "type", "params": {"selector": "div.msg-form__contenteditable", "text": "hi"}},
{"type": "press_key", "params": {"key": "Enter"}},
], set())
assert "composer" in why
def test_guard_allows_search_type_then_enter():
assert br.live_batch_guard([
{"type": "type", "params": {"selector": "input.search-global-typeahead__input", "text": "q"}},
{"type": "press_key", "params": {"key": "Enter"}},
], set()) == ""
# --- send payload extraction (recovery verify-first gate) -----------------------
def test_payload_extracted_from_composer_click_index_fill():
log = [
{"tool": "BrowserNavigate", "input": {"url": "https://x.com"}},
{"tool": "BrowserClickIndex", "input": {"index": 4, "text": "[test] hello world r44-os"},
"clicked_role": "textbox", "clicked_name": "Write a message…"},
]
assert br.send_payload_from_log(log) == "[test] hello world r44-os"
def test_payload_ignores_search_fills_and_short_filter_textboxes():
log = [
{"tool": "BrowserClickIndex", "input": {"index": 2, "text": "tyler chen entrepreneurs"},
"clicked_role": "searchbox", "clicked_name": "Search"},
{"tool": "BrowserClickIndex", "input": {"index": 8, "text": "Entrepreneurs First"},
"clicked_role": "textbox", "clicked_name": "Add a company"},
]
assert br.send_payload_from_log(log) == ""
def test_payload_from_type_and_batch_composer_selectors_longest_wins():
log = [
{"tool": "BrowserType", "input": {"selector": "div.msg-form__contenteditable", "text": "hi"}},
{"tool": "BrowserBatch", "input": {"actions": [
{"type": "type", "params": {"selector": "div.msg-form__contenteditable",
"text": "a much longer message body"}},
{"type": "type", "params": {"selector": "input.search-typeahead", "text": "ignored search"}},
]}},
]
assert br.send_payload_from_log(log) == "a much longer message body"
def test_payload_empty_log_and_garbage_safe():
assert br.send_payload_from_log([]) == ""
assert br.send_payload_from_log(None) == ""
assert br.send_payload_from_log([{"tool": "BrowserClickIndex"}, "junk"]) == ""
def test_payload_extracted_from_focus_type_click_without_clicked_fields():
# r47's live miss: focus+type results carry no clickedRole/clickedName
log = [{
"tool": "BrowserClickIndex",
"input": {"index": 1, "text": "[test] hello world r47-os"},
"result_summary": 'Focused index 1 and typed the text in (via editor command). Verified: the box now contains "[test] hello world r47-os". Do NOT type it again.',
"clicked_role": None, "clicked_name": None,
}]
assert br.send_payload_from_log(log) == "[test] hello world r47-os"
def test_payload_prefers_prompt_quoted_candidate_over_garbled_retype():
clean = "[test] hello world r47-os"
garbled = "[test] hello world r47-os\n[test] hello world r47-os"
log = [
{"tool": "BrowserClickIndex", "input": {"index": 1, "text": clean},
"result_summary": "typed the text in", "clicked_role": "textbox", "clicked_name": ""},
{"tool": "BrowserClickIndex", "input": {"index": 1, "text": garbled},
"result_summary": "typed the text in", "clicked_role": "textbox", "clicked_name": ""},
]
prompt = f"go to tyler chen's linkedin and text him '{clean}'"
assert br.send_payload_from_log(log, prompt) == clean
assert br.send_payload_from_log(log) == garbled
def test_payload_from_index_based_batch_type():
log = [{
"tool": "BrowserBatch",
"input": {"actions": [
{"type": "click_index", "params": {"index": 4}},
{"type": "type", "params": {"index": 4, "text": "[test] hello world long enough"}},
]},
}]
assert br.send_payload_from_log(log) == "[test] hello world long enough"
def test_guard_blocks_batched_enter_when_composer_pending():
actions = [
{"type": "press_key", "params": {"key": "Enter"}},
{"type": "wait", "params": {"milliseconds": 3000}},
]
why = br.live_batch_guard(actions, [], composer_pending=True)
assert "Enter" in why
assert br.live_batch_guard(actions, [], composer_pending=False) == ""
def test_guard_still_allows_search_type_enter_without_pending_composer():
actions = [
{"type": "type", "params": {"selector": "input[name=q]", "text": "tyler chen"}},
{"type": "press_key", "params": {"key": "Enter"}},
]
assert br.live_batch_guard(actions, [], composer_pending=False) == ""