1 files changed, 30 insertions, 0 deletions
diff --git a/tst/test_utils.ts b/tst/test_utils.ts
new file mode 100644
index 0000000..5c6237c
--- /dev/null
+++ b/tst/test_utils.ts
@@ -0,0 +1,30 @@
+import { type ITrace, type ITraceWith, TraceableImpl } from '../lib/index';
+
+export class CollectingTrace<TraceWith> implements ITrace<TraceWith> {
+    constructor(
+        private readonly collector: Array<Array<ITraceWith<TraceWith>>> = [],
+        private readonly scopes: Array<ITraceWith<TraceWith>> = [],
+    ) {}
+
+    public get events() {
+        return this.collector;
+    }
+
+    public traceScope(trace: ITraceWith<TraceWith>): ITrace<TraceWith> {
+        return new CollectingTrace(this.collector, this.scopes.concat([trace]));
+    }
+
+    public trace(trace: ITraceWith<TraceWith>) {
+        this.collector.push(this.scopes.concat([trace]));
+    }
+}
+
+export class TestTraceable<T, TraceWith> extends TraceableImpl<T, TraceWith> {
+    constructor(item: T, trace: ITrace<TraceWith>) {
+        super(item, trace);
+    }
+
+    static of<T, TraceWith>(item: T, trace: ITrace<TraceWith>) {
+        return new TestTraceable<T, TraceWith>(item, trace);
+    }
+}