# -*- coding: utf-8 -*-
"""只操作本程序创建的临时对象；全部数据为合成样本。"""
import os, sys, json, sqlite3, tempfile, pathlib, subprocess, time, socket, stat
from pathlib import Path
def emit(**kw):
    print(json.dumps(kw, ensure_ascii=False, sort_keys=True))

import shutil
PROMTOOL=os.environ.get('PROMTOOL') or shutil.which('promtool')
assert PROMTOOL, '请安装官方Prometheus 3.5.0并将promtool加入PATH或设置PROMTOOL绝对路径'
def prom_test(data, rules=None, expected_failure=False):
    with tempfile.TemporaryDirectory(prefix='ywebs-next132-b2-prom-') as d:
        p=Path(d)
        if rules is not None:
            (p/'rules.yml').write_text(json.dumps(rules),encoding='utf-8')
            data['rule_files']=['rules.yml']
        (p/'test.yml').write_text(json.dumps(data),encoding='utf-8')
        r=subprocess.run([PROMTOOL,'test','rules','test.yml'],cwd=d,stdout=subprocess.PIPE,stderr=subprocess.STDOUT,universal_newlines=True)
        if expected_failure: assert r.returncode!=0 and 'many-to-many' in r.stdout,r.stdout
        else: assert r.returncode==0,r.stdout
        return {'returncode':r.returncode,'output':r.stdout}
bad=[{'series':'demo_requests{instance="one"}','values':'5'},{'series':'demo_info{instance="one",team="A"}','values':'1'},{'series':'demo_info{instance="one",team="B"}','values':'1'}]
query='demo_requests * on(instance) group_left(team) demo_info'
failure=prom_test({'tests':[{'input_series':bad,'promql_expr_test':[{'expr':query,'eval_time':'0m','exp_samples':[]}]}]},expected_failure=True)
good=bad[:2]+[{'series':'demo_requests{instance="two"}','values':'7'},{'series':'demo_info{instance="two",team="B"}','values':'1'}]
success=prom_test({'tests':[{'input_series':good,'promql_expr_test':[{'expr':query,'eval_time':'0m','exp_samples':[{'labels':'{instance="one",team="A"}','value':5},{'labels':'{instance="two",team="B"}','value':7}]}]}]})
emit(duplicate_metadata_rejected=True,joined_values=[5,7],failure=failure,success=success)