test(performance): add end-to-end Xtream benchmark harness (#1300)

* docs(performance): plan Xtream benchmark * feat(xtream-mock-server): add deterministic 100k fixture * style(xtream-mock-server): apply repository formatting * fix(xtream-mock-server): harden performance fixture data * feat(xtream-mock-server): add performance control plane * docs(performance): correct Xtream capture plan * fix(xtream-mock-server): harden performance controls * fix(xtream-mock-server): harden control lifecycle * feat(performance): add Xtream preload markers * feat(performance): trace Xtream main phases * feat(performance): mark Xtream store publications * feat(performance): trace Xtream database phases * feat(performance): trace Xtream delete cancellation * feat(performance): capture Xtream phase attribution * feat(performance): mark Sources Xtream refresh * test(performance): define Xtream benchmark evidence contracts * test(performance): add Xtream benchmark runner * test(performance): surface failure evidence writes * test(performance): align database read clock * test(performance): preserve capture failure contracts
2026-10-13 20:56:19 -08:00 · 2026-07-28 08:08:07 +02:00
1 parent 5e725a06f3
commit a2fafcfc08
@@ -0,0 +1,88 @@
+import assert from 'node:assert/strict';
+import { describe, it } from 'node:test';
+
+import { XTREAM_SCENARIO_ID } from './xtream-benchmark-contract';
+import {
+    createXtreamRendererConsoleErrorBreakdown,
+    recordXtreamRendererConsoleError,
+    validXtreamRendererConsoleErrorEvidence,
+} from './xtream-renderer-console-errors';
+
+const cancelledInvoke =
+    'Error invoking remote method DB_SAVE_CONTENT: AbortError: ' +
+    'Operation "save-content" was cancelled';
+
+describe('Xtream renderer console error evidence', () => {
+    it('accepts only the exact three current IPC cancellation errors', () => {
+        const exact = createXtreamRendererConsoleErrorBreakdown();
+        for (const message of [
+            `Error saving Xtream content: ${cancelledInvoke}`,
+            `[withContent] Error fetching content ${cancelledInvoke}`,
+            `[withContent] Error initializing content ${cancelledInvoke}`,
+        ]) {
+            recordXtreamRendererConsoleError(
+                exact,
+                XTREAM_SCENARIO_ID.CANCEL_IMPORT,
+                message
+            );
+        }
+
+        assert.equal(
+            validXtreamRendererConsoleErrorEvidence(
+                3,
+                exact,
+                XTREAM_SCENARIO_ID.CANCEL_IMPORT
+            ),
+            true
+        );
+        assert.equal(
+            validXtreamRendererConsoleErrorEvidence(
+                3,
+                exact,
+                XTREAM_SCENARIO_ID.INITIAL_IMPORT_LARGE
+            ),
+            false
+        );
+
+        for (const messages of [
+            ['generic error', 'generic error', 'generic error'],
+            [
+                `Error saving Xtream content: ${cancelledInvoke}`,
+                `[withContent] Error fetching content ${cancelledInvoke}`,
+            ],
+            [
+                `Error saving Xtream content: ${cancelledInvoke}`,
+                `[withContent] Error fetching content ${cancelledInvoke}`,
+                `[withContent] Error fetching content ${cancelledInvoke}`,
+            ],
+            [
+                'Error saving Xtream content: request failed',
+                '[withContent] Error fetching content request failed',
+                '[withContent] Error initializing content request failed',
+            ],
+            [
+                `Error saving Xtream content: ${cancelledInvoke}`,
+                `[withContent] Error fetching content ${cancelledInvoke}`,
+                `[withContent] Error initializing content ${cancelledInvoke}`,
+                'unexpected fourth error',
+            ],
+        ]) {
+            const candidate = createXtreamRendererConsoleErrorBreakdown();
+            for (const message of messages) {
+                recordXtreamRendererConsoleError(
+                    candidate,
+                    XTREAM_SCENARIO_ID.CANCEL_IMPORT,
+                    message
+                );
+            }
+            assert.equal(
+                validXtreamRendererConsoleErrorEvidence(
+                    messages.length,
+                    candidate,
+                    XTREAM_SCENARIO_ID.CANCEL_IMPORT
+                ),
+                false
+            );
+        }
+    });
+});