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factory test
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‎lib/event_processor/event_processor_factory.spec.ts

Lines changed: 182 additions & 3 deletions
Original file line numberDiff line numberDiff line change
@@ -1,7 +1,9 @@
11
import { describe, it, expect, beforeEach, vi, MockInstance } from 'vitest';
2-
import { DEFAULT_MAX_BACKOFF, DEFAULT_MIN_BACKOFF, getBatchEventProcessor } from './event_processor_factory';
3-
import { BatchEventProcessor, BatchEventProcessorConfig } from './batch_event_processor';
2+
import { DEFAULT_EVENT_BATCH_SIZE, DEFAULT_EVENT_FLUSH_INTERVAL, DEFAULT_MAX_BACKOFF, DEFAULT_MIN_BACKOFF, getBatchEventProcessor } from './event_processor_factory';
3+
import { BatchEventProcessor, BatchEventProcessorConfig, EventWithId } from './batch_event_processor';
44
import { ExponentialBackoff, IntervalRepeater } from '../utils/repeater/repeater';
5+
import { getMockSyncCache } from '../tests/mock/mock_cache';
6+
import { LogLevel } from '../modules/logging';
57

68
vi.mock('./batch_event_processor');
79
vi.mock('../utils/repeater/repeater');
@@ -17,10 +19,12 @@ const getMockEventDispatcher = () => {
1719
describe('getBatchEventProcessor', () => {
1820
const MockBatchEventProcessor = vi.mocked(BatchEventProcessor);
1921
const MockExponentialBackoff = vi.mocked(ExponentialBackoff);
22+
const MockIntervalRepeater = vi.mocked(IntervalRepeater);
2023

2124
beforeEach(() => {
2225
MockBatchEventProcessor.mockReset();
2326
MockExponentialBackoff.mockReset();
27+
MockIntervalRepeater.mockReset();
2428
});
2529

2630
it('returns an instane of BatchEventProcessor if no subclass constructor is provided', () => {
@@ -55,6 +59,7 @@ describe('getBatchEventProcessor', () => {
5559
};
5660

5761
const processor = getBatchEventProcessor(options);
62+
expect(Object.is(processor, MockBatchEventProcessor.mock.instances[0])).toBe(true);
5863
expect(MockBatchEventProcessor.mock.calls[0][0].retryConfig).toBe(undefined);
5964
});
6065

@@ -66,6 +71,7 @@ describe('getBatchEventProcessor', () => {
6671

6772
let processor = getBatchEventProcessor(options);
6873

74+
expect(Object.is(processor, MockBatchEventProcessor.mock.instances[0])).toBe(true);
6975
const usedRetryConfig = MockBatchEventProcessor.mock.calls[0][0].retryConfig;
7076
expect(usedRetryConfig).not.toBe(undefined);
7177
expect(usedRetryConfig?.backoffProvider).not.toBe(undefined);
@@ -80,6 +86,7 @@ describe('getBatchEventProcessor', () => {
8086
};
8187

8288
let processor1 = getBatchEventProcessor(options1);
89+
expect(Object.is(processor1, MockBatchEventProcessor.mock.instances[0])).toBe(true);
8390
expect(MockBatchEventProcessor.mock.calls[0][0].retryConfig?.maxRetries).toBe(10);
8491

8592
const options2 = {
@@ -88,6 +95,7 @@ describe('getBatchEventProcessor', () => {
8895
};
8996

9097
let processor2 = getBatchEventProcessor(options2);
98+
expect(Object.is(processor2, MockBatchEventProcessor.mock.instances[1])).toBe(true);
9199
expect(MockBatchEventProcessor.mock.calls[0][0].retryConfig).not.toBe(undefined);
92100
expect(MockBatchEventProcessor.mock.calls[1][0].retryConfig?.maxRetries).toBe(undefined);
93101
});
@@ -99,8 +107,9 @@ describe('getBatchEventProcessor', () => {
99107
};
100108

101109
let processor = getBatchEventProcessor(options);
102-
const backoffProvider = MockBatchEventProcessor.mock.calls[0][0].retryConfig?.backoffProvider;
110+
expect(Object.is(processor, MockBatchEventProcessor.mock.instances[0])).toBe(true);
103111

112+
const backoffProvider = MockBatchEventProcessor.mock.calls[0][0].retryConfig?.backoffProvider;
104113
expect(backoffProvider).not.toBe(undefined);
105114
const backoff = backoffProvider?.();
106115
expect(Object.is(backoff, MockExponentialBackoff.mock.instances[0])).toBe(true);
@@ -114,11 +123,181 @@ describe('getBatchEventProcessor', () => {
114123
};
115124

116125
let processor = getBatchEventProcessor(options);
126+
expect(Object.is(processor, MockBatchEventProcessor.mock.instances[0])).toBe(true);
117127
const backoffProvider = MockBatchEventProcessor.mock.calls[0][0].retryConfig?.backoffProvider;
118128

119129
expect(backoffProvider).not.toBe(undefined);
120130
const backoff = backoffProvider?.();
121131
expect(Object.is(backoff, MockExponentialBackoff.mock.instances[0])).toBe(true);
122132
expect(MockExponentialBackoff).toHaveBeenNthCalledWith(1, 1000, 2000, 500);
123133
});
134+
135+
it('uses a IntervalRepeater with default flush interval and adds a startup log if flushInterval is not provided', () => {
136+
const options = {
137+
eventDispatcher: getMockEventDispatcher(),
138+
};
139+
140+
let processor = getBatchEventProcessor(options);
141+
142+
expect(Object.is(processor, MockBatchEventProcessor.mock.instances[0])).toBe(true);
143+
const usedRepeater = MockBatchEventProcessor.mock.calls[0][0].dispatchRepeater;
144+
expect(Object.is(usedRepeater, MockIntervalRepeater.mock.instances[0])).toBe(true);
145+
expect(MockIntervalRepeater).toHaveBeenNthCalledWith(1, DEFAULT_EVENT_FLUSH_INTERVAL);
146+
147+
const startupLogs = MockBatchEventProcessor.mock.calls[0][0].startupLogs;
148+
expect(startupLogs).toEqual(expect.arrayContaining([{
149+
level: LogLevel.WARNING,
150+
message: 'Invalid flushInterval %s, defaulting to %s',
151+
params: [undefined, DEFAULT_EVENT_FLUSH_INTERVAL],
152+
}]));
153+
});
154+
155+
it('uses default flush interval and adds a startup log if flushInterval is less than 1', () => {
156+
const options = {
157+
eventDispatcher: getMockEventDispatcher(),
158+
flushInterval: -1,
159+
};
160+
161+
let processor = getBatchEventProcessor(options);
162+
163+
expect(Object.is(processor, MockBatchEventProcessor.mock.instances[0])).toBe(true);
164+
const usedRepeater = MockBatchEventProcessor.mock.calls[0][0].dispatchRepeater;
165+
expect(Object.is(usedRepeater, MockIntervalRepeater.mock.instances[0])).toBe(true);
166+
expect(MockIntervalRepeater).toHaveBeenNthCalledWith(1, DEFAULT_EVENT_FLUSH_INTERVAL);
167+
168+
const startupLogs = MockBatchEventProcessor.mock.calls[0][0].startupLogs;
169+
expect(startupLogs).toEqual(expect.arrayContaining([{
170+
level: LogLevel.WARNING,
171+
message: 'Invalid flushInterval %s, defaulting to %s',
172+
params: [-1, DEFAULT_EVENT_FLUSH_INTERVAL],
173+
}]));
174+
});
175+
176+
it('uses a IntervalRepeater with provided flushInterval and adds no startup log if provided flushInterval is valid', () => {
177+
const options = {
178+
eventDispatcher: getMockEventDispatcher(),
179+
flushInterval: 12345,
180+
};
181+
182+
let processor = getBatchEventProcessor(options);
183+
184+
expect(Object.is(processor, MockBatchEventProcessor.mock.instances[0])).toBe(true);
185+
const usedRepeater = MockBatchEventProcessor.mock.calls[0][0].dispatchRepeater;
186+
expect(Object.is(usedRepeater, MockIntervalRepeater.mock.instances[0])).toBe(true);
187+
expect(MockIntervalRepeater).toHaveBeenNthCalledWith(1, 12345);
188+
189+
const startupLogs = MockBatchEventProcessor.mock.calls[0][0].startupLogs;
190+
expect(startupLogs?.find((log) => log.message === 'Invalid flushInterval %s, defaulting to %s')).toBe(undefined);
191+
});
192+
193+
194+
it('uses a IntervalRepeater with default flush interval and adds a startup log if flushInterval is not provided', () => {
195+
const options = {
196+
eventDispatcher: getMockEventDispatcher(),
197+
};
198+
199+
let processor = getBatchEventProcessor(options);
200+
201+
expect(Object.is(processor, MockBatchEventProcessor.mock.instances[0])).toBe(true);
202+
expect(MockBatchEventProcessor.mock.calls[0][0].batchSize).toBe(DEFAULT_EVENT_BATCH_SIZE);
203+
204+
const startupLogs = MockBatchEventProcessor.mock.calls[0][0].startupLogs;
205+
expect(startupLogs).toEqual(expect.arrayContaining([{
206+
level: LogLevel.WARNING,
207+
message: 'Invalid batchSize %s, defaulting to %s',
208+
params: [undefined, DEFAULT_EVENT_BATCH_SIZE],
209+
}]));
210+
});
211+
212+
it('uses default size and adds a startup log if provided batchSize is less than 1', () => {
213+
const options = {
214+
eventDispatcher: getMockEventDispatcher(),
215+
batchSize: -1,
216+
};
217+
218+
let processor = getBatchEventProcessor(options);
219+
220+
expect(Object.is(processor, MockBatchEventProcessor.mock.instances[0])).toBe(true);
221+
expect(MockBatchEventProcessor.mock.calls[0][0].batchSize).toBe(DEFAULT_EVENT_BATCH_SIZE);
222+
223+
const startupLogs = MockBatchEventProcessor.mock.calls[0][0].startupLogs;
224+
expect(startupLogs).toEqual(expect.arrayContaining([{
225+
level: LogLevel.WARNING,
226+
message: 'Invalid batchSize %s, defaulting to %s',
227+
params: [-1, DEFAULT_EVENT_BATCH_SIZE],
228+
}]));
229+
});
230+
231+
it('does not use a failedEventRepeater if failedEventRetryInterval is not provided', () => {
232+
const options = {
233+
eventDispatcher: getMockEventDispatcher(),
234+
};
235+
236+
let processor = getBatchEventProcessor(options);
237+
238+
expect(Object.is(processor, MockBatchEventProcessor.mock.instances[0])).toBe(true);
239+
expect(MockBatchEventProcessor.mock.calls[0][0].failedEventRepeater).toBe(undefined);
240+
});
241+
242+
it('uses a IntervalRepeater with provided failedEventRetryInterval as failedEventRepeater', () => {
243+
const options = {
244+
eventDispatcher: getMockEventDispatcher(),
245+
failedEventRetryInterval: 12345,
246+
};
247+
248+
let processor = getBatchEventProcessor(options);
249+
250+
expect(Object.is(processor, MockBatchEventProcessor.mock.instances[0])).toBe(true);
251+
expect(Object.is(MockBatchEventProcessor.mock.calls[0][0].failedEventRepeater, MockIntervalRepeater.mock.instances[1])).toBe(true);
252+
expect(MockIntervalRepeater).toHaveBeenNthCalledWith(2, 12345);
253+
});
254+
255+
it('uses the provided eventDispatcher', () => {
256+
const eventDispatcher = getMockEventDispatcher();
257+
const options = {
258+
eventDispatcher,
259+
};
260+
261+
let processor = getBatchEventProcessor(options);
262+
263+
expect(Object.is(processor, MockBatchEventProcessor.mock.instances[0])).toBe(true);
264+
expect(MockBatchEventProcessor.mock.calls[0][0].eventDispatcher).toBe(eventDispatcher);
265+
});
266+
267+
it('does not use any closingEventDispatcher if not provided', () => {
268+
const options = {
269+
eventDispatcher: getMockEventDispatcher(),
270+
};
271+
272+
let processor = getBatchEventProcessor(options);
273+
274+
expect(Object.is(processor, MockBatchEventProcessor.mock.instances[0])).toBe(true);
275+
expect(MockBatchEventProcessor.mock.calls[0][0].closingEventDispatcher).toBe(undefined);
276+
});
277+
278+
it('uses the provided closingEventDispatcher', () => {
279+
const closingEventDispatcher = getMockEventDispatcher();
280+
const options = {
281+
eventDispatcher: getMockEventDispatcher(),
282+
closingEventDispatcher,
283+
};
284+
285+
let processor = getBatchEventProcessor(options);
286+
287+
expect(Object.is(processor, MockBatchEventProcessor.mock.instances[0])).toBe(true);
288+
expect(MockBatchEventProcessor.mock.calls[0][0].closingEventDispatcher).toBe(closingEventDispatcher);
289+
});
290+
291+
it('uses the provided eventStore', () => {
292+
const eventStore = getMockSyncCache<EventWithId>();
293+
const options = {
294+
eventDispatcher: getMockEventDispatcher(),
295+
eventStore,
296+
};
297+
298+
let processor = getBatchEventProcessor(options);
299+
300+
expect(Object.is(processor, MockBatchEventProcessor.mock.instances[0])).toBe(true);
301+
expect(MockBatchEventProcessor.mock.calls[0][0].eventStore).toBe(eventStore);
302+
});
124303
});

‎lib/event_processor/event_processor_factory.ts

Lines changed: 2 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -51,7 +51,7 @@ export const getBatchEventProcessor = (
5151
if (options.flushInterval === undefined || options.flushInterval <= 0) {
5252
startupLogs.push({
5353
level: LogLevel.WARNING,
54-
message: 'Invalid eventFlushInterval %s, defaulting to %s',
54+
message: 'Invalid flushInterval %s, defaulting to %s',
5555
params: [options.flushInterval, DEFAULT_EVENT_FLUSH_INTERVAL],
5656
});
5757
} else {
@@ -62,7 +62,7 @@ export const getBatchEventProcessor = (
6262
if (options.batchSize === undefined || options.batchSize <= 0) {
6363
startupLogs.push({
6464
level: LogLevel.WARNING,
65-
message: 'Invalid eventBatchSize %s, defaulting to %s',
65+
message: 'Invalid batchSize %s, defaulting to %s',
6666
params: [options.batchSize, DEFAULT_EVENT_BATCH_SIZE],
6767
});
6868
} else {

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