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"""
The Node page offers `connection_processes`, bounded by the machine's cores.

The node refuses a number above its core count, so a field that let one be
typed would be a field whose Save fails. The ceiling comes with the settings
(`cpu_count`, which the node adds and ignores when it is sent back).
"""

import re
from pathlib import Path

STATIC = Path(__file__).resolve().parents[1] / "src" / "meshbay_hub" / "static"


def _field() -> str:
    src = (STATIC / "node-page.js").read_text(encoding="utf-8")
    at = src.index("t('node.setting_connection_processes')")
    return src[at:src.index("</label>", at)]


def test_the_field_cannot_hold_more_than_the_cores():
    field = _field()
    assert "max=${editSettings.cpu_count || 1}" in field
    assert re.search(r"Math\.min\(Math\.max\(parseInt\(e\.target\.value\) \|\| 1, 1\), "
                     r"s\.cpu_count \|\| 1\)", field), (
        "a typed value is not held to the ceiling, only the spinner is")


def test_it_says_how_many_cores_there_are():
    assert "t('node.setting_unit_of', { n: editSettings.cpu_count || 1 })" in _field()


def test_every_language_names_it():
    for locale in sorted((STATIC / "locales").glob("*.js")):
        text = locale.read_text(encoding="utf-8")
        assert "'node.setting_connection_processes':" in text, locale.name
        m = re.search(r"'node\.setting_unit_of': '([^']*)'", text)
        assert m and "{n}" in m.group(1), locale.name