import pathlib, ast
ROOT=pathlib.Path(__file__).resolve().parents[1]

def test_version_381():
    assert (ROOT/"VERSION").read_text(encoding="utf-8").strip()=="4.6.1"

def test_recent_conversation_switches_to_chat():
    js=(ROOT/"static"/"js"/"app.js").read_text(encoding="utf-8")
    start=js.index("function openSession(id)")
    block=js[start:start+300]
    assert 'if(CURRENT_VIEW!=="chat")setView("chat")' in block

def _load_export_detector():
    text=(ROOT/"ui_server.py").read_text(encoding="utf-8")
    tree=ast.parse(text)
    node=next(n for n in tree.body if isinstance(n,ast.FunctionDef) and n.name=="_is_ocean_export_request")
    mod=ast.Module(body=[node],type_ignores=[])
    ns={"re":__import__("re"), "_needs_ocean_mcp":lambda q: True}
    exec(compile(mod,"<test>","exec"),ns)
    return ns["_is_ocean_export_request"]

def test_export_format_question_is_not_execution():
    fn=_load_export_detector()
    assert fn("查询现在支持哪些 Ocean 数据源和变量，并说明时间范围、空间分辨率和可导出格式") is False
    assert fn("现在支持哪些导出格式？") is False

def test_explicit_export_still_executes():
    fn=_load_export_detector()
    assert fn("请帮我导出这份 Ocean 数据为 CSV") is True
    assert fn("下载上述数据文件") is True