test(hub): read the search code wherever it is split

The Node harnesses take one file or several, and the tests that lift
connectToGroup and the pool out of search-page.js as text take them from
spa_source, which also reads connection-pool.js once it exists.

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

8 files changed, 50 insertions, 9 deletions

diff --git a/packages/meshbay-hub/tests/harness/search_connect_harness.mjs b/packages/meshbay-hub/tests/harness/search_connect_harness.mjs
index 2479d46..60cea2b 100644
--- a/packages/meshbay-hub/tests/harness/search_connect_harness.mjs
+++ b/packages/meshbay-hub/tests/harness/search_connect_harness.mjs
@@ -12,8 +12,11 @@
 //
 // Usage: node search_connect_harness.mjs <path to search-page.js> <json config>
 import { readFileSync } from 'fs';
+import { delimiter } from 'path';
 
-const src = readFileSync(process.argv[2], 'utf8');
+// One file or several (search-page.js and what it was split into), joined
+// with the platform's path delimiter.
+const src = process.argv[2].split(delimiter).map((p) => readFileSync(p, 'utf8')).join('\n');
 const cfg = JSON.parse(process.argv[3] || '{}');
 
 const {
diff --git a/packages/meshbay-hub/tests/harness/search_fanout_harness.mjs b/packages/meshbay-hub/tests/harness/search_fanout_harness.mjs
index 5f95ede..f84d90b 100644
--- a/packages/meshbay-hub/tests/harness/search_fanout_harness.mjs
+++ b/packages/meshbay-hub/tests/harness/search_fanout_harness.mjs
@@ -11,8 +11,11 @@
 //
 // Usage: node search_fanout_harness.mjs <path to search-page.js> <json config>
 import { readFileSync } from 'fs';
+import { delimiter } from 'path';
 
-const src = readFileSync(process.argv[2], 'utf8');
+// One file or several (search-page.js and what it was split into), joined
+// with the platform's path delimiter.
+const src = process.argv[2].split(delimiter).map((p) => readFileSync(p, 'utf8')).join('\n');
 const cfg = JSON.parse(process.argv[3] || '{}');
 
 const {
diff --git a/packages/meshbay-hub/tests/harness/search_pool_harness.mjs b/packages/meshbay-hub/tests/harness/search_pool_harness.mjs
index 521a97e..ef18241 100644
--- a/packages/meshbay-hub/tests/harness/search_pool_harness.mjs
+++ b/packages/meshbay-hub/tests/harness/search_pool_harness.mjs
@@ -10,8 +10,11 @@
 //
 // Usage: node search_pool_harness.mjs <path to search-page.js> <json config>
 import { readFileSync } from 'fs';
+import { delimiter } from 'path';
 
-const src = readFileSync(process.argv[2], 'utf8');
+// One file or several (search-page.js and what it was split into), joined
+// with the platform's path delimiter.
+const src = process.argv[2].split(delimiter).map((p) => readFileSync(p, 'utf8')).join('\n');
 const cfg = JSON.parse(process.argv[3] || '{}');
 
 const {
diff --git a/packages/meshbay-hub/tests/spa_source.py b/packages/meshbay-hub/tests/spa_source.py
new file mode 100644
index 0000000..7df98ca
--- /dev/null
+++ b/packages/meshbay-hub/tests/spa_source.py
@@ -0,0 +1,28 @@
+"""
+The web client's source, for the hub tests that read it as text.
+
+A test that lifts a function out of a file by name stops finding it the day
+the function moves to another file — or, for an absence, goes on passing
+without looking at it. So the tests that read the search code take it from
+here, the page and whatever it has been split into.
+"""
+
+from pathlib import Path
+
+STATIC = Path(__file__).resolve().parents[1] / "src" / "meshbay_hub" / "static"
+
+
+def search_files() -> list[Path]:
+    """The search page, and the connection pool once it is a module of its own."""
+    return [p for p in (STATIC / "search-page.js", STATIC / "connection-pool.js")
+            if p.exists()]
+
+
+def search_source() -> str:
+    return "\n".join(p.read_text(encoding="utf-8") for p in search_files())
+
+
+def search_argv() -> str:
+    """The same files, as the one argument the Node harnesses take."""
+    import os
+    return os.pathsep.join(str(p) for p in search_files())
diff --git a/packages/meshbay-hub/tests/test_search_connect_deadline.py b/packages/meshbay-hub/tests/test_search_connect_deadline.py
index d41cbb5..2d3db06 100644
--- a/packages/meshbay-hub/tests/test_search_connect_deadline.py
+++ b/packages/meshbay-hub/tests/test_search_connect_deadline.py
@@ -32,6 +32,7 @@ import subprocess
 from pathlib import Path
 
 import pytest
+from spa_source import search_argv, search_source
 
 STATIC = Path(__file__).resolve().parents[1] / "src" / "meshbay_hub" / "static"
 SEARCH_PAGE = STATIC / "search-page.js"
@@ -47,7 +48,7 @@ CAP_MS = 30000
 
 def _attempt(**cfg) -> dict:
     proc = subprocess.run(
-        ["node", str(HARNESS), str(SEARCH_PAGE), json.dumps(cfg)],
+        ["node", str(HARNESS), search_argv(), json.dumps(cfg)],
         capture_output=True, text=True)
     assert proc.returncode == 0, proc.stderr
     return json.loads(proc.stdout)
@@ -59,7 +60,7 @@ def test_the_constants_are_what_these_scenarios_assume():
     a change to either without a change here would leave the scenarios asserting
     about a deadline the code no longer has.
     """
-    code = SEARCH_PAGE.read_text(encoding="utf-8")
+    code = search_source()
     assert f"const SEARCH_STALL_MS = {STALL_MS};" in code
     assert f"const SEARCH_MAX_MS = {CAP_MS};" in code
 
diff --git a/packages/meshbay-hub/tests/test_search_fanout.py b/packages/meshbay-hub/tests/test_search_fanout.py
index 196aa5a..fca879a 100644
--- a/packages/meshbay-hub/tests/test_search_fanout.py
+++ b/packages/meshbay-hub/tests/test_search_fanout.py
@@ -50,6 +50,7 @@ import subprocess
 from pathlib import Path
 
 import pytest
+from spa_source import search_argv
 
 STATIC = Path(__file__).resolve().parents[1] / "src" / "meshbay_hub" / "static"
 SEARCH_PAGE = STATIC / "search-page.js"
@@ -65,7 +66,7 @@ DEAD_MS = 10000    # a node that does not, to the connection deadline
 
 def _sweep(**cfg) -> dict:
     proc = subprocess.run(
-        ["node", str(HARNESS), str(SEARCH_PAGE), json.dumps(cfg)],
+        ["node", str(HARNESS), search_argv(), json.dumps(cfg)],
         capture_output=True, text=True)
     assert proc.returncode == 0, proc.stderr
     return json.loads(proc.stdout)
diff --git a/packages/meshbay-hub/tests/test_search_pool.py b/packages/meshbay-hub/tests/test_search_pool.py
index 67e66fa..cf9eeb8 100644
--- a/packages/meshbay-hub/tests/test_search_pool.py
+++ b/packages/meshbay-hub/tests/test_search_pool.py
@@ -22,6 +22,7 @@ import subprocess
 from pathlib import Path
 
 import pytest
+from spa_source import search_argv
 
 STATIC = Path(__file__).resolve().parents[1] / "src" / "meshbay_hub" / "static"
 SEARCH_PAGE = STATIC / "search-page.js"
@@ -34,7 +35,7 @@ pytestmark = pytest.mark.skipif(
 
 def _run(**cfg) -> dict:
     proc = subprocess.run(
-        ["node", str(HARNESS), str(SEARCH_PAGE), json.dumps(cfg)],
+        ["node", str(HARNESS), search_argv(), json.dumps(cfg)],
         capture_output=True, text=True)
     assert proc.returncode == 0, proc.stderr
     return json.loads(proc.stdout)
diff --git a/packages/meshbay-hub/tests/test_transport_contracts.py b/packages/meshbay-hub/tests/test_transport_contracts.py
index 28d6a10..76e8123 100644
--- a/packages/meshbay-hub/tests/test_transport_contracts.py
+++ b/packages/meshbay-hub/tests/test_transport_contracts.py
@@ -19,6 +19,7 @@ import re
 from pathlib import Path
 
 import pytest
+from spa_source import search_source
 
 STATIC = Path(__file__).resolve().parents[1] / "src" / "meshbay_hub" / "static"
 TRANSPORT = STATIC / "transport.js"
@@ -521,7 +522,7 @@ SEARCH_PAGE = STATIC / "search-page.js"
 
 
 def test_search_tries_every_node_the_hub_offers():
-    code = _code_only(SEARCH_PAGE.read_text(encoding="utf-8"))
+    code = _code_only(search_source())
     assert "nodes[0]" not in code, "Search takes the head of the node list again"
     walk = code[code.index("for (const n of nodesData.nodes)"):]
     walk = walk[:walk.index("throw (lastErr")]
@@ -534,7 +535,7 @@ def test_search_connects_in_one_place():
     """Two call sites with their own connect is how one of them kept `nodes[0]`,
     and how the sweep and the warm-up each negotiated the same group: every
     connection goes through the pool, and only the pool calls `connectToGroup`."""
-    code = _code_only(SEARCH_PAGE.read_text(encoding="utf-8"))
+    code = _code_only(search_source())
     assert code.count("transport.connect(") == 1
     # The definition, and the pool's one call.
     assert code.count("connectToGroup(") == 2