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Upgrade generic graph navigation

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This commit is contained in:
Andraxion 2026-07-24 21:43:11 -04:00
parent 8ac4fe2a67
commit 5e77cd2adb
13 changed files with 657 additions and 65 deletions
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100
tests/test_visualization.py
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@ -4,6 +4,7 @@ import json
import shutil
import subprocess
import tempfile
import time
import unittest
import urllib.error
import urllib.parse
@ -76,6 +77,55 @@ class VisualizationTests(unittest.TestCase):
self.assertEqual("", result.stderr)
self.assertEqual(0, result.returncode)
@unittest.skipUnless(shutil.which("node"), "Node.js is required for topology validation")
def test_embedded_topology_roles_hops_and_shading_are_deterministic(self) -> None:
script = _GRAPH_BROWSER_HTML.split("<script>", 1)[1].split("</script>", 1)[0]
topology_logic = script.split("function analyzeTopology", 1)[1].split(
"function renderNeighborhood", 1
)[0]
harness = (
"function analyzeTopology"
+ topology_logic
+ """
const data = {
root: "primary",
depth: 2,
nodes: [
{node_id: "primary"},
{node_id: "child-one"},
{node_id: "child-two"},
{node_id: "incoming"},
],
edges: [
{source_id: "primary", relation: "contains", target_id: "child-one"},
{source_id: "child-one", relation: "contains", target_id: "child-two"},
{source_id: "incoming", relation: "references", target_id: "primary"},
],
};
const topology = analyzeTopology(data);
const positions = layoutNodes(data.nodes, data.root, topology);
const fail = (message) => { throw new Error(message); };
if (topology.get("primary").role !== "primary") fail("root role");
if (topology.get("child-one").role !== "child") fail("direct child role");
if (topology.get("child-two").role !== "child") fail("descendant role");
if (topology.get("incoming").role !== "edge") fail("incoming edge role");
if (topology.get("child-two").hop !== 2) fail("descendant hop");
if (Math.hypot(positions.get("child-two").x, positions.get("child-two").y)
<= Math.hypot(positions.get("child-one").x, positions.get("child-one").y)) {
fail("hop rings");
}
if (nodePalette("child", 2).fill === nodePalette("child", 1).fill) fail("hop shading");
"""
)
result = subprocess.run(
["node", "-e", harness],
check=False,
capture_output=True,
text=True,
)
self.assertEqual("", result.stderr)
self.assertEqual(0, result.returncode)
def test_runner_serves_only_token_bound_read_only_graph_endpoints(self) -> None:
with tempfile.TemporaryDirectory() as directory:
root = self.copy_fixture("alpha", Path(directory))
@ -91,6 +141,8 @@ class VisualizationTests(unittest.TestCase):
self.assertEqual(VISUALIZATION_TEMPLATE, first["template"])
self.assertTrue(first["read_only"])
self.assertEqual("browser_lease", first["lifetime"]["policy"])
self.assertFalse(runner._thread.daemon)
self.assertEqual(first_url.netloc, second_url.netloc)
self.assertEqual(first_url.path, second_url.path)
@ -103,12 +155,24 @@ class VisualizationTests(unittest.TestCase):
self.assertIn('id="reset-view"', html)
self.assertIn('id="node-dialog"', html)
self.assertIn('id="explore-node"', html)
self.assertIn('id="left-resizer"', html)
self.assertIn('id="right-resizer"', html)
self.assertIn('id="neighborhood-sections"', html)
self.assertIn(".empty[hidden] { display: none; }", html)
self.assertIn("resize: both", html)
self.assertNotIn("backdrop-filter", html)
self.assertIn('addEventListener("wheel"', html)
self.assertIn('addEventListener("pointermove"', html)
self.assertIn("inspectNode(node.node_id)", html)
self.assertIn("dialog.showModal()", html)
self.assertIn("await loadNode(nodeId)", html)
self.assertIn("beginDialogDrag", html)
self.assertIn('setupPanelResizer("left")', html)
self.assertIn('setupPanelResizer("right")', html)
self.assertIn("Primary focus", html)
self.assertIn("Edge & context", html)
self.assertIn("distanceShade", html)
self.assertIn("renewViewerLease", html)
pointerdown = html.split('$("graph").addEventListener("pointerdown"', 1)[1].split(
'$("graph").addEventListener("pointermove"', 1
)[0]
@ -128,6 +192,11 @@ class VisualizationTests(unittest.TestCase):
self.assertEqual(3, overview["node_count"])
self.assertEqual(20, overview["max_results"])
with urllib.request.urlopen(f"{base}api/heartbeat", timeout=2) as response:
heartbeat = json.load(response)
self.assertEqual("alive", heartbeat["viewer"])
self.assertEqual(runner.lease_seconds, heartbeat["lease_seconds"])
search_query = urllib.parse.urlencode(
{"q": "canonical nodes", "family": "", "limit": overview["max_results"]}
)
@ -170,6 +239,37 @@ class VisualizationTests(unittest.TestCase):
finally:
runner.stop()
def test_browser_lease_keeps_listener_alive_then_closes_it(self) -> None:
with tempfile.TemporaryDirectory() as directory:
root = self.copy_fixture("alpha", Path(directory))
index = ProjectIndex(Project.open(root))
index.build()
runner = VisualizationRunner(
index,
initial_grace_seconds=0.2,
lease_seconds=0.2,
monitor_interval_seconds=0.02,
)
try:
result = runner.start()
parsed = urllib.parse.urlparse(str(result["url"]))
base = f"{parsed.scheme}://{parsed.netloc}{parsed.path}"
heartbeat = f"{base}api/heartbeat"
with urllib.request.urlopen(heartbeat, timeout=2) as response:
self.assertEqual("alive", json.load(response)["viewer"])
time.sleep(0.12)
with urllib.request.urlopen(heartbeat, timeout=2) as response:
self.assertEqual("alive", json.load(response)["viewer"])
deadline = time.monotonic() + 2
while runner._server is not None and time.monotonic() < deadline:
time.sleep(0.02)
self.assertIsNone(runner._server)
with self.assertRaises(OSError):
urllib.request.urlopen(base, timeout=0.2)
finally:
runner.stop()
def test_runner_rejects_ambiguous_targets_and_changed_index_snapshot(self) -> None:
with tempfile.TemporaryDirectory() as directory:
root = self.copy_fixture("alpha", Path(directory))