@das3mical/adonis-mercure/build/src/fake_mercure.js

A simple AdonisJS provider to interact with Mercure hub

export class FakeMercure {
    #sent = [];
    #tokens = [];
    async generate(payload) {
        this.#tokens.push(payload);
        return 'fake-token';
    }
    async generateSubscribeToken(topics) {
        return this.generate({ subscribe: topics });
    }
    async send(topics, data = {}, isPrivateOrOptions = false) {
        const topicList = Array.isArray(topics) ? topics : [topics];
        const options = typeof isPrivateOrOptions === 'boolean' ? { private: isPrivateOrOptions } : isPrivateOrOptions;
        this.#sent.push({ topics: topicList, data, options });
        return new Response('1', { status: 200 });
    }
    async ping() {
        return true;
    }
    assertSent(topic, data) {
        const match = this.#sent.find((msg) => {
            if (!msg.topics.includes(topic))
                return false;
            if (!data)
                return true;
            return JSON.stringify(msg.data) === JSON.stringify(data);
        });
        if (!match) {
            const found = this.#sent.map((m) => m.topics.join(', ')).join('; ') || 'nothing';
            throw new Error(`Expected a message on topic "${topic}" but found: [${found}]`);
        }
    }
    assertNotSent(topic) {
        const match = this.#sent.find((msg) => msg.topics.includes(topic));
        if (match) {
            throw new Error(`Expected no message on topic "${topic}" but one was found`);
        }
    }
    assertNothingSent() {
        if (this.#sent.length > 0) {
            const topics = this.#sent.map((m) => m.topics.join(', ')).join('; ');
            throw new Error(`Expected nothing to be sent but found messages on: [${topics}]`);
        }
    }
    getSent() {
        return [...this.#sent];
    }
    clear() {
        this.#sent = [];
        this.#tokens = [];
    }
}