tst/test_utils.ts


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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);
    }
}