feature: add level-based logger methods for convenience

test/unit/logging/Logger.test.ts

@@ -0,0 +1,46 @@
+import { Logger } from '../../../src/logging/Logger';
+
+describe('Logger', (): void => {
+  let logger: Logger;
+  let meta: any;
+  beforeEach(async(): Promise<void> => {
+    logger = new (Logger as any)();
+    logger.log = jest.fn();
+    meta = { abc: 123 };
+  });
+
+  it('Error delegates to log.', async(): Promise<void> => {
+    logger.error('my message', meta);
+    expect(logger.log).toHaveBeenCalledTimes(1);
+    expect(logger.log).toHaveBeenCalledWith('error', 'my message', meta);
+  });
+
+  it('Warn delegates to log.', async(): Promise<void> => {
+    logger.warn('my message', meta);
+    expect(logger.log).toHaveBeenCalledTimes(1);
+    expect(logger.log).toHaveBeenCalledWith('warn', 'my message', meta);
+  });
+
+  it('Info delegates to log.', async(): Promise<void> => {
+    logger.info('my message', meta);
+    expect(logger.log).toHaveBeenCalledTimes(1);
+    expect(logger.log).toHaveBeenCalledWith('info', 'my message', meta);
+  });
+  it('Verbose delegates to log.', async(): Promise<void> => {
+    logger.verbose('my message', meta);
+    expect(logger.log).toHaveBeenCalledTimes(1);
+    expect(logger.log).toHaveBeenCalledWith('verbose', 'my message', meta);
+  });
+
+  it('Debug delegates to log.', async(): Promise<void> => {
+    logger.debug('my message', meta);
+    expect(logger.log).toHaveBeenCalledTimes(1);
+    expect(logger.log).toHaveBeenCalledWith('debug', 'my message', meta);
+  });
+
+  it('Silly delegates to log.', async(): Promise<void> => {
+    logger.silly('my message', meta);
+    expect(logger.log).toHaveBeenCalledTimes(1);
+    expect(logger.log).toHaveBeenCalledWith('silly', 'my message', meta);
+  });
+});