[Init] Initial commit - NetMesh terminal manager

electron/scripts/scriptRunRetention.test.cjs

@@ -0,0 +1,39 @@
+"use strict";
+
+const assert = require("node:assert/strict");
+const test = require("node:test");
+const {
+  MAX_RETAINED_COMPLETED_RUNS,
+  MAX_RETAINED_LOGS_PER_RUN,
+  appendRetainedRunLog,
+  pruneCompletedRuns,
+} = require("./scriptRunRetention.cjs");
+
+test("completed script history is bounded without removing active runs", () => {
+  const runs = new Map();
+  for (let index = 0; index < MAX_RETAINED_COMPLETED_RUNS + 25; index += 1) {
+    runs.set(`completed-${index}`, {
+      runId: `completed-${index}`,
+      startedAt: index,
+      endedAt: index + 1,
+    });
+  }
+  runs.set("active", { runId: "active", startedAt: 0 });
+
+  assert.equal(pruneCompletedRuns(runs), 25);
+  assert.equal(runs.size, MAX_RETAINED_COMPLETED_RUNS + 1);
+  assert.equal(runs.has("active"), true);
+  assert.equal(runs.has("completed-0"), false);
+  assert.equal(runs.has(`completed-${MAX_RETAINED_COMPLETED_RUNS + 24}`), true);
+});
+
+test("script logs keep only the newest bounded tail", () => {
+  const run = { logs: [] };
+  for (let index = 0; index < MAX_RETAINED_LOGS_PER_RUN + 30; index += 1) {
+    appendRetainedRunLog(run, { message: `log-${index}` });
+  }
+
+  assert.equal(run.logs.length, MAX_RETAINED_LOGS_PER_RUN);
+  assert.equal(run.logs[0].message, "log-30");
+  assert.equal(run.logs.at(-1).message, `log-${MAX_RETAINED_LOGS_PER_RUN + 29}`);
+});