aws-cdk
Version:
CDK Toolkit, the command line tool for CDK apps
88 lines • 11.7 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
const client_cloudwatch_logs_1 = require("@aws-sdk/client-cloudwatch-logs");
const logs_monitor_1 = require("../../../lib/api/logs/logs-monitor");
const cli_io_host_1 = require("../../../lib/toolkit/cli-io-host");
const util_1 = require("../../util");
const mock_sdk_1 = require("../../util/mock-sdk");
// Helper function to strip ANSI codes
const stripAnsi = (str) => {
const ansiRegex = /\u001b\[[0-9;]*[a-zA-Z]/g;
return str.replace(ansiRegex, '');
};
let sdk;
let stderrMock;
let monitor;
beforeEach(() => {
cli_io_host_1.CliIoHost.instance().isCI = false;
monitor = new logs_monitor_1.CloudWatchLogEventMonitor(new Date(T100));
stderrMock = jest.spyOn(process.stderr, 'write').mockImplementation((chunk) => {
// Strip ANSI codes when capturing output
if (typeof chunk === 'string') {
return stripAnsi(chunk);
}
return stripAnsi(chunk.toString());
});
sdk = new mock_sdk_1.MockSdk();
});
afterEach(() => {
stderrMock.mockRestore();
monitor.deactivate();
});
test('process events', async () => {
// GIVEN
const eventDate = new Date(T0 + 102 * 1000);
mock_sdk_1.mockCloudWatchClient.on(client_cloudwatch_logs_1.FilterLogEventsCommand).resolves({
events: [event(102, 'message', eventDate)],
});
monitor.addLogGroups({
name: 'name',
account: '11111111111',
region: 'us-east-1',
}, sdk, ['loggroup']);
// WHEN
monitor.activate();
// need time for the log processing to occur
await (0, util_1.sleep)(1000);
// THEN
const expectedLocaleTimeString = eventDate.toLocaleTimeString();
expect(stderrMock).toHaveBeenCalledTimes(1);
expect(stripAnsi(stderrMock.mock.calls[0][0])).toContain(`[loggroup] ${expectedLocaleTimeString} message`);
});
test('process truncated events', async () => {
// GIVEN
const eventDate = new Date(T0 + 102 * 1000);
const events = [];
for (let i = 0; i < 100; i++) {
events.push(event(102 + i, 'message' + i, eventDate));
}
mock_sdk_1.mockCloudWatchClient.on(client_cloudwatch_logs_1.FilterLogEventsCommand).resolves({
events,
nextToken: 'some-token',
});
monitor.addLogGroups({
name: 'name',
account: '11111111111',
region: 'us-east-1',
}, sdk, ['loggroup']);
// WHEN
monitor.activate();
// need time for the log processing to occur
await (0, util_1.sleep)(1000);
// THEN
const expectedLocaleTimeString = eventDate.toLocaleTimeString();
expect(stderrMock).toHaveBeenCalledTimes(101);
expect(stripAnsi(stderrMock.mock.calls[0][0])).toContain(`[loggroup] ${expectedLocaleTimeString} message0`);
expect(stripAnsi(stderrMock.mock.calls[100][0])).toContain(`[loggroup] ${expectedLocaleTimeString} >>> \`watch\` shows only the first 100 log messages - the rest have been truncated...`);
});
const T0 = 1597837230504;
const T100 = T0 + 100 * 1000;
function event(nr, message, timestamp) {
return {
eventId: `${nr}`,
message,
timestamp: timestamp.getTime(),
ingestionTime: timestamp.getTime(),
};
}
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{ FilterLogEventsCommand, type FilteredLogEvent } from '@aws-sdk/client-cloudwatch-logs';\nimport { CloudWatchLogEventMonitor } from '../../../lib/api/logs/logs-monitor';\nimport { CliIoHost } from '../../../lib/toolkit/cli-io-host';\nimport { sleep } from '../../util';\nimport { MockSdk, mockCloudWatchClient } from '../../util/mock-sdk';\n\n// Helper function to strip ANSI codes\nconst stripAnsi = (str: string): string => {\n  const ansiRegex = /\\u001b\\[[0-9;]*[a-zA-Z]/g;\n  return str.replace(ansiRegex, '');\n};\n\nlet sdk: MockSdk;\nlet stderrMock: jest.SpyInstance;\nlet monitor: CloudWatchLogEventMonitor;\nbeforeEach(() => {\n  CliIoHost.instance().isCI = false;\n  monitor = new CloudWatchLogEventMonitor(new Date(T100));\n  stderrMock = jest.spyOn(process.stderr, 'write').mockImplementation((chunk: any) => {\n    // Strip ANSI codes when capturing output\n    if (typeof chunk === 'string') {\n      return stripAnsi(chunk) as unknown as boolean;\n    }\n    return stripAnsi(chunk.toString()) as unknown as boolean;\n  });\n  sdk = new MockSdk();\n});\n\nafterEach(() => {\n  stderrMock.mockRestore();\n  monitor.deactivate();\n});\n\ntest('process events', async () => {\n  // GIVEN\n  const eventDate = new Date(T0 + 102 * 1000);\n  mockCloudWatchClient.on(FilterLogEventsCommand).resolves({\n    events: [event(102, 'message', eventDate)],\n  });\n\n  monitor.addLogGroups(\n    {\n      name: 'name',\n      account: '11111111111',\n      region: 'us-east-1',\n    },\n    sdk,\n    ['loggroup'],\n  );\n  // WHEN\n  monitor.activate();\n  // need time for the log processing to occur\n  await sleep(1000);\n\n  // THEN\n  const expectedLocaleTimeString = eventDate.toLocaleTimeString();\n  expect(stderrMock).toHaveBeenCalledTimes(1);\n  expect(stripAnsi(stderrMock.mock.calls[0][0])).toContain(`[loggroup] ${expectedLocaleTimeString} message`);\n});\n\ntest('process truncated events', async () => {\n  // GIVEN\n  const eventDate = new Date(T0 + 102 * 1000);\n  const events: FilteredLogEvent[] = [];\n  for (let i = 0; i < 100; i++) {\n    events.push(event(102 + i, 'message' + i, eventDate));\n  }\n\n  mockCloudWatchClient.on(FilterLogEventsCommand).resolves({\n    events,\n    nextToken: 'some-token',\n  });\n  monitor.addLogGroups(\n    {\n      name: 'name',\n      account: '11111111111',\n      region: 'us-east-1',\n    },\n    sdk,\n    ['loggroup'],\n  );\n  // WHEN\n  monitor.activate();\n  // need time for the log processing to occur\n  await sleep(1000);\n\n  // THEN\n  const expectedLocaleTimeString = eventDate.toLocaleTimeString();\n  expect(stderrMock).toHaveBeenCalledTimes(101);\n  expect(stripAnsi(stderrMock.mock.calls[0][0])).toContain(`[loggroup] ${expectedLocaleTimeString} message0`);\n  expect(stripAnsi(stderrMock.mock.calls[100][0])).toContain(\n    `[loggroup] ${expectedLocaleTimeString} >>> \\`watch\\` shows only the first 100 log messages - the rest have been truncated...`,\n  );\n});\n\nconst T0 = 1597837230504;\nconst T100 = T0 + 100 * 1000;\nfunction event(nr: number, message: string, timestamp: Date): FilteredLogEvent {\n  return {\n    eventId: `${nr}`,\n    message,\n    timestamp: timestamp.getTime(),\n    ingestionTime: timestamp.getTime(),\n  };\n}\n"]}