G: EPOD acceptance tests; harness: hide and clean other runs' mid-name objects (proxy, teardown, sweep); lock leak cause (Eclipse restart during a write)

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>

epod_tests/epod_client.py

@@ -0,0 +1,98 @@
+"""Minimal MCP client and ADT deletion for the EPOD acceptance tests (standard library only, Python 3.9+)."""
+import base64
+import http.cookiejar
+import json
+import os
+import re
+import time
+import urllib.request
+from xml.sax.saxutils import quoteattr
+
+URL = os.environ.get("MCP_URL", "http://127.0.0.1:3000/mcp")
+TOKEN = os.environ.get("MCP_TOKEN", "")
+SYSTEM = os.environ.get("MCP_SYSTEM_ID")          # optional: Eclipse project name when several systems are connected
+
+
+class Mcp:
+    def __init__(self, timeout=300):
+        self.sid, self.n, self.timeout = None, 0, timeout
+
+    def _post(self, body, method="POST"):
+        h = {"Content-Type": "application/json", "Accept": "application/json, text/event-stream"}
+        if TOKEN:
+            h["Authorization"] = "Bearer " + TOKEN
+        if self.sid:
+            h["Mcp-Session-Id"] = self.sid
+        req = urllib.request.Request(URL, json.dumps(body).encode() if body is not None else None, h, method=method)
+        with urllib.request.urlopen(req, timeout=self.timeout) as r:
+            sid = r.headers.get("Mcp-Session-Id")
+            raw = r.read().decode()
+        self.sid = sid or self.sid
+        if "data:" in raw[:40]:
+            raw = "".join(l[5:].strip() for l in raw.splitlines() if l.startswith("data:"))
+        return json.loads(raw) if raw.strip() else None
+
+    def open(self):
+        self.n += 1
+        self._post({"jsonrpc": "2.0", "id": self.n, "method": "initialize", "params": {
+            "protocolVersion": "2025-03-26", "capabilities": {}, "clientInfo": {"name": "epod-acceptance", "version": "1"}}})
+        self._post({"jsonrpc": "2.0", "method": "notifications/initialized"})
+        return self
+
+    def close(self):
+        try:
+            self._post(None, "DELETE")
+        except Exception:
+            pass
+
+    def __enter__(self):
+        return self.open()
+
+    def __exit__(self, *a):
+        self.close()
+
+    def call(self, tool, args):
+        """Returns (is_error, text). 'Concurrent call detected' is returned as it is (the tests count it)."""
+        self.n += 1
+        if SYSTEM:
+            args = dict(args, systemId=SYSTEM)
+        res = self._post({"jsonrpc": "2.0", "id": self.n, "method": "tools/call", "params": {"name": tool, "arguments": args}})
+        if "error" in res:
+            return True, json.dumps(res["error"])
+        r = res["result"]
+        return bool(r.get("isError")), "\n".join(c.get("text", "") for c in r.get("content", []))
+
+
+class Adt:
+    """Deletion through the ADT deletion API (needs A4H_URL, A4H_USER, A4H_PASSWORD; A4H_CLIENT default 001)."""
+
+    def __init__(self):
+        self.base = os.environ.get("A4H_URL", "").rstrip("/")
+        self.client = os.environ.get("A4H_CLIENT", "001")
+        self.auth = "Basic " + base64.b64encode(("%s:%s" % (os.environ.get("A4H_USER", ""), os.environ.get("A4H_PASSWORD", ""))).encode()).decode()
+        self.opener = urllib.request.build_opener(urllib.request.HTTPCookieProcessor(http.cookiejar.CookieJar()))
+        self.csrf = None
+
+    def available(self):
+        return bool(self.base and os.environ.get("A4H_USER"))
+
+    def _req(self, path, body=None, headers=None):
+        h = {"Authorization": self.auth}
+        if self.csrf:
+            h["x-csrf-token"] = self.csrf
+        h.update(headers or {})
+        req = urllib.request.Request("%s%s%ssap-client=%s" % (self.base, path, "&" if "?" in path else "?", self.client), body.encode() if body else None, h)
+        with self.opener.open(req, timeout=120) as r:
+            return dict(r.headers), r.read().decode()
+
+    def delete(self, uris):
+        if not self.available() or not uris:
+            return {}
+        hdr, _ = self._req("/sap/bc/adt/discovery", headers={"x-csrf-token": "fetch", "Accept": "*/*"})
+        self.csrf = hdr.get("x-csrf-token") or hdr.get("X-CSRF-Token")
+        objs = "".join("<del:object adtcore:uri=%s><del:transportNumber/></del:object>" % quoteattr(u) for u in uris)
+        body = ('<?xml version="1.0" encoding="UTF-8"?><del:deletionRequest xmlns:del="http://www.sap.com/adt/deletion" '
+                'xmlns:adtcore="http://www.sap.com/adt/core">' + objs + "</del:deletionRequest>")
+        _, text = self._req("/sap/bc/adt/deletion/delete", body, {"Content-Type": "application/vnd.sap.adt.deletion.request.v1+xml",
+                                                                 "Accept": "application/vnd.sap.adt.deletion.response.v1+xml"})
+        return {m.group(1): 'isDeleted="true"' in m.group(0) for m in re.finditer(r'<del:object\b[^>]*adtcore:uri="([^"]+)"[^>]*>', text)}