57 lines
1.7 KiB
TypeScript
57 lines
1.7 KiB
TypeScript
import {
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CouchDBChangesStream,
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CouchDBChange,
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} from "../src/CouchDBChangesStream";
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describe("CouchDBChangesStream - EventSource Format", () => {
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it("should parse changes from text/event-stream format correctly", async () => {
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const eventSourceData = `
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event: change
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data: {"seq":1,"id":"doc1","changes":[{"rev":"1-abc"}]}
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event: change
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data: {"seq":2,"id":"doc2","changes":[{"rev":"2-def"}]}
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event: change
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data: {"seq":3,"id":"doc3","changes":[{"rev":"3-ghi"}]}
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`;
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const mockResponse: Partial<Response> = {
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ok: true,
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status: 200,
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headers: new Headers({ "Content-Type": "text/event-stream" }),
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body: new ReadableStream({
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start(controller) {
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controller.enqueue(new TextEncoder().encode(eventSourceData));
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controller.close();
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},
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}),
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};
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const mockFetch = jest.fn(async () => mockResponse as Response);
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const stream = new CouchDBChangesStream<any>("http://mock-couchdb", {
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feed: "eventsource",
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fetch: mockFetch,
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});
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const result: CouchDBChange<any>[] = [];
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for await (const change of stream) {
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result.push(change);
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}
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// Ожидаемый результат
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const expectedChanges: CouchDBChange<any>[] = [
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{ seq: 1, id: "doc1", changes: [{ rev: "1-abc" }] },
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{ seq: 2, id: "doc2", changes: [{ rev: "2-def" }] },
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{ seq: 3, id: "doc3", changes: [{ rev: "3-ghi" }] },
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];
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// Проверяем, что результат соответствует ожидаемым изменениям
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expect(result).toEqual(expectedChanges);
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// Проверяем, что fetch был вызван
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expect(mockFetch).toHaveBeenCalledTimes(1);
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});
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});
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