Merge branch 'main' into feat/performance-optimization
twwu
7 months ago
commit
a4219119d6
@ -0,0 +1,42 @@
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import re
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from collections.abc import Mapping
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from typing import Any, Optional
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def is_valid_trace_id(trace_id: str) -> bool:
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"""
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Check if the trace_id is valid.
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Requirements: 1-128 characters, only letters, numbers, '-', and '_'.
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"""
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return bool(re.match(r"^[a-zA-Z0-9\-_]{1,128}$", trace_id))
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def get_external_trace_id(request: Any) -> Optional[str]:
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"""
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Retrieve the trace_id from the request.
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Priority: header ('X-Trace-Id'), then parameters, then JSON body. Returns None if not provided or invalid.
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"""
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trace_id = request.headers.get("X-Trace-Id")
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if not trace_id:
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trace_id = request.args.get("trace_id")
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if not trace_id and getattr(request, "is_json", False):
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json_data = getattr(request, "json", None)
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if json_data:
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trace_id = json_data.get("trace_id")
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if isinstance(trace_id, str) and is_valid_trace_id(trace_id):
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return trace_id
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return None
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def extract_external_trace_id_from_args(args: Mapping[str, Any]) -> dict:
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"""
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Extract 'external_trace_id' from args.
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Returns a dict suitable for use in extras. Returns an empty dict if not found.
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"""
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trace_id = args.get("external_trace_id")
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if trace_id:
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return {"external_trace_id": trace_id}
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return {}
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@ -0,0 +1,86 @@
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import pytest
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from core.helper.trace_id_helper import extract_external_trace_id_from_args, get_external_trace_id, is_valid_trace_id
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class DummyRequest:
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def __init__(self, headers=None, args=None, json=None, is_json=False):
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self.headers = headers or {}
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self.args = args or {}
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self.json = json
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self.is_json = is_json
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class TestTraceIdHelper:
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"""Test cases for trace_id_helper.py"""
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@pytest.mark.parametrize(
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("trace_id", "expected"),
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[
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("abc123", True),
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("A-B_C-123", True),
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("a" * 128, True),
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("", False),
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("a" * 129, False),
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("abc!@#", False),
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("空格", False),
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("with space", False),
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],
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)
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def test_is_valid_trace_id(self, trace_id, expected):
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"""Test trace_id validation for various cases"""
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assert is_valid_trace_id(trace_id) is expected
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def test_get_external_trace_id_from_header(self):
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"""Should extract valid trace_id from header"""
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req = DummyRequest(headers={"X-Trace-Id": "abc123"})
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assert get_external_trace_id(req) == "abc123"
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def test_get_external_trace_id_from_args(self):
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"""Should extract valid trace_id from args if header missing"""
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req = DummyRequest(args={"trace_id": "abc123"})
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assert get_external_trace_id(req) == "abc123"
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def test_get_external_trace_id_from_json(self):
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"""Should extract valid trace_id from JSON body if header and args missing"""
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req = DummyRequest(is_json=True, json={"trace_id": "abc123"})
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assert get_external_trace_id(req) == "abc123"
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def test_get_external_trace_id_priority(self):
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"""Header > args > json priority"""
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req = DummyRequest(
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headers={"X-Trace-Id": "header_id"},
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args={"trace_id": "args_id"},
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is_json=True,
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json={"trace_id": "json_id"},
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)
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assert get_external_trace_id(req) == "header_id"
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req2 = DummyRequest(args={"trace_id": "args_id"}, is_json=True, json={"trace_id": "json_id"})
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assert get_external_trace_id(req2) == "args_id"
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req3 = DummyRequest(is_json=True, json={"trace_id": "json_id"})
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assert get_external_trace_id(req3) == "json_id"
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@pytest.mark.parametrize(
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"req",
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[
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DummyRequest(headers={"X-Trace-Id": "!!!"}),
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DummyRequest(args={"trace_id": "!!!"}),
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DummyRequest(is_json=True, json={"trace_id": "!!!"}),
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DummyRequest(),
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],
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)
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def test_get_external_trace_id_invalid(self, req):
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"""Should return None for invalid or missing trace_id"""
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assert get_external_trace_id(req) is None
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@pytest.mark.parametrize(
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("args", "expected"),
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[
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({"external_trace_id": "abc123"}, {"external_trace_id": "abc123"}),
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({"other": "value"}, {}),
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({}, {}),
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],
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)
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def test_extract_external_trace_id_from_args(self, args, expected):
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"""Test extraction of external_trace_id from args mapping"""
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assert extract_external_trace_id_from_args(args) == expected
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