[7.x] Move logger configuration integration test to jest (#70378)

src/core/server/logging/integration_tests/logging.test.ts

@@ -18,6 +18,9 @@
  */
 
 import * as kbnTestServer from '../../../../test_utils/kbn_server';
+import { InternalCoreSetup } from '../../internal_types';
+import { LoggerContextConfigInput } from '../logging_config';
+import { Subject } from 'rxjs';
 
 function createRoot() {
   return kbnTestServer.createRoot({
@@ -111,4 +114,162 @@ describe('logging service', () => {
       expect(mockConsoleLog).toHaveBeenCalledTimes(0);
     });
   });
+
+  describe('custom context configuration', () => {
+    const CUSTOM_LOGGING_CONFIG: LoggerContextConfigInput = {
+      appenders: {
+        customJsonConsole: {
+          kind: 'console',
+          layout: {
+            kind: 'json',
+          },
+        },
+        customPatternConsole: {
+          kind: 'console',
+          layout: {
+            kind: 'pattern',
+            pattern: 'CUSTOM - PATTERN [%logger][%level] %message',
+          },
+        },
+      },
+
+      loggers: [
+        { context: 'debug_json', appenders: ['customJsonConsole'], level: 'debug' },
+        { context: 'debug_pattern', appenders: ['customPatternConsole'], level: 'debug' },
+        { context: 'info_json', appenders: ['customJsonConsole'], level: 'info' },
+        { context: 'info_pattern', appenders: ['customPatternConsole'], level: 'info' },
+        {
+          context: 'all',
+          appenders: ['customJsonConsole', 'customPatternConsole'],
+          level: 'debug',
+        },
+      ],
+    };
+
+    let root: ReturnType<typeof createRoot>;
+    let setup: InternalCoreSetup;
+    let mockConsoleLog: jest.SpyInstance;
+    const loggingConfig$ = new Subject<LoggerContextConfigInput>();
+    const setContextConfig = (enable: boolean) =>
+      enable ? loggingConfig$.next(CUSTOM_LOGGING_CONFIG) : loggingConfig$.next({});
+    beforeAll(async () => {
+      mockConsoleLog = jest.spyOn(global.console, 'log');
+      root = kbnTestServer.createRoot();
+
+      setup = await root.setup();
+      setup.logging.configure(['plugins', 'myplugin'], loggingConfig$);
+    }, 30000);
+
+    beforeEach(() => {
+      mockConsoleLog.mockClear();
+    });
+
+    afterAll(async () => {
+      mockConsoleLog.mockRestore();
+      await root.shutdown();
+    });
+
+    it('does not write to custom appenders when not configured', async () => {
+      const logger = root.logger.get('plugins.myplugin.debug_pattern');
+      setContextConfig(false);
+      logger.info('log1');
+      setContextConfig(true);
+      logger.debug('log2');
+      logger.info('log3');
+      setContextConfig(false);
+      logger.info('log4');
+      expect(mockConsoleLog).toHaveBeenCalledTimes(2);
+      expect(mockConsoleLog).toHaveBeenCalledWith(
+        'CUSTOM - PATTERN [plugins.myplugin.debug_pattern][DEBUG] log2'
+      );
+      expect(mockConsoleLog).toHaveBeenCalledWith(
+        'CUSTOM - PATTERN [plugins.myplugin.debug_pattern][INFO ] log3'
+      );
+    });
+
+    it('writes debug_json context to custom JSON appender', async () => {
+      setContextConfig(true);
+      const logger = root.logger.get('plugins.myplugin.debug_json');
+      logger.debug('log1');
+      logger.info('log2');
+      expect(mockConsoleLog).toHaveBeenCalledTimes(2);
+
+      const [firstCall, secondCall] = mockConsoleLog.mock.calls.map(([jsonString]) =>
+        JSON.parse(jsonString)
+      );
+      expect(firstCall).toMatchObject({
+        level: 'DEBUG',
+        context: 'plugins.myplugin.debug_json',
+        message: 'log1',
+      });
+      expect(secondCall).toMatchObject({
+        level: 'INFO',
+        context: 'plugins.myplugin.debug_json',
+        message: 'log2',
+      });
+    });
+
+    it('writes info_json context to custom JSON appender', async () => {
+      setContextConfig(true);
+      const logger = root.logger.get('plugins.myplugin.info_json');
+      logger.debug('i should not be logged!');
+      logger.info('log2');
+
+      expect(mockConsoleLog).toHaveBeenCalledTimes(1);
+      expect(JSON.parse(mockConsoleLog.mock.calls[0][0])).toMatchObject({
+        level: 'INFO',
+        context: 'plugins.myplugin.info_json',
+        message: 'log2',
+      });
+    });
+
+    it('writes debug_pattern context to custom pattern appender', async () => {
+      setContextConfig(true);
+      const logger = root.logger.get('plugins.myplugin.debug_pattern');
+      logger.debug('log1');
+      logger.info('log2');
+
+      expect(mockConsoleLog).toHaveBeenCalledTimes(2);
+      expect(mockConsoleLog).toHaveBeenCalledWith(
+        'CUSTOM - PATTERN [plugins.myplugin.debug_pattern][DEBUG] log1'
+      );
+      expect(mockConsoleLog).toHaveBeenCalledWith(
+        'CUSTOM - PATTERN [plugins.myplugin.debug_pattern][INFO ] log2'
+      );
+    });
+
+    it('writes info_pattern context to custom pattern appender', async () => {
+      setContextConfig(true);
+      const logger = root.logger.get('plugins.myplugin.info_pattern');
+      logger.debug('i should not be logged!');
+      logger.info('log2');
+      expect(mockConsoleLog).toHaveBeenCalledTimes(1);
+      expect(mockConsoleLog).toHaveBeenCalledWith(
+        'CUSTOM - PATTERN [plugins.myplugin.info_pattern][INFO ] log2'
+      );
+    });
+
+    it('writes all context to both appenders', async () => {
+      setContextConfig(true);
+      const logger = root.logger.get('plugins.myplugin.all');
+      logger.debug('log1');
+      logger.info('log2');
+
+      expect(mockConsoleLog).toHaveBeenCalledTimes(4);
+      const logs = mockConsoleLog.mock.calls.map(([jsonString]) => jsonString);
+
+      expect(JSON.parse(logs[0])).toMatchObject({
+        level: 'DEBUG',
+        context: 'plugins.myplugin.all',
+        message: 'log1',
+      });
+      expect(logs[1]).toEqual('CUSTOM - PATTERN [plugins.myplugin.all][DEBUG] log1');
+      expect(JSON.parse(logs[2])).toMatchObject({
+        level: 'INFO',
+        context: 'plugins.myplugin.all',
+        message: 'log2',
+      });
+      expect(logs[3]).toEqual('CUSTOM - PATTERN [plugins.myplugin.all][INFO ] log2');
+    });
+  });
 });

test/plugin_functional/test_suites/core_plugins/index.ts

@@ -30,6 +30,5 @@ export default function ({ loadTestFile }: PluginFunctionalProviderContext) {
     loadTestFile(require.resolve('./application_leave_confirm'));
     loadTestFile(require.resolve('./application_status'));
     loadTestFile(require.resolve('./rendering'));
-    loadTestFile(require.resolve('./logging'));
   });
 }