Fix: Logger print JSON and Numbers

spec/FilesController.spec.js

@@ -65,7 +65,7 @@ describe('FilesController', () => {
         expect(log1.level).toBe('error');
 
         const log2 = logs.find(
-          x => x.message === 'Parse error: Could not store file: yolo.txt.'
+          x => x.message === 'Could not store file: yolo.txt.'
         );
         expect(log2.level).toBe('error');
         expect(log2.code).toBe(130);

spec/WinstonLoggerAdapter.spec.js

@@ -59,6 +59,38 @@ describe('info logs', () => {
     );
     expect(log);
   });
+
+  it('info logs should interpolate json', async () => {
+    const winstonLoggerAdapter = new WinstonLoggerAdapter();
+    winstonLoggerAdapter.log('info', 'testing info logs with %j', { hello: 'world' });
+    const results = await winstonLoggerAdapter.query({
+      from: new Date(Date.now() - 500),
+      size: 100,
+      level: 'info',
+      order: 'desc',
+    });
+    expect(results.length > 0).toBeTruthy();
+    const log = results.find(
+      x => x.message === 'testing info logs with {"hello":"world"}'
+    );
+    expect(log);
+  });
+
+  it('info logs should interpolate number', async () => {
+    const winstonLoggerAdapter = new WinstonLoggerAdapter();
+    winstonLoggerAdapter.log('info', 'testing info logs with %d', 123);
+    const results = await winstonLoggerAdapter.query({
+      from: new Date(Date.now() - 500),
+      size: 100,
+      level: 'info',
+      order: 'desc',
+    });
+    expect(results.length > 0).toBeTruthy();
+    const log = results.find(
+      x => x.message === 'testing info logs with 123'
+    );
+    expect(log);
+  });
 });
 
 describe('error logs', () => {
@@ -113,6 +145,38 @@ describe('error logs', () => {
     );
     expect(log);
   });
+
+  it('error logs should interpolate json', async () => {
+    const winstonLoggerAdapter = new WinstonLoggerAdapter();
+    winstonLoggerAdapter.log('error', 'testing error logs with %j', { hello: 'world' });
+    const results = await winstonLoggerAdapter.query({
+      from: new Date(Date.now() - 500),
+      size: 100,
+      level: 'error',
+      order: 'desc',
+    });
+    expect(results.length > 0).toBeTruthy();
+    const log = results.find(
+      x => x.message === 'testing error logs with {"hello":"world"}'
+    );
+    expect(log);
+  });
+
+  it('error logs should interpolate number', async () => {
+    const winstonLoggerAdapter = new WinstonLoggerAdapter();
+    winstonLoggerAdapter.log('error', 'testing error logs with %d', 123);
+    const results = await winstonLoggerAdapter.query({
+      from: new Date(Date.now() - 500),
+      size: 100,
+      level: 'error',
+      order: 'desc',
+    });
+    expect(results.length > 0).toBeTruthy();
+    const log = results.find(
+      x => x.message === 'testing error logs with 123'
+    );
+    expect(log);
+  });
 });
 
 describe('verbose logs', () => {
@@ -180,4 +244,38 @@ describe('verbose logs', () => {
     );
     expect(log);
   });
+
+  it('verbose logs should interpolate json', async () => {
+    await reconfigureServer({ verbose: true });
+    const winstonLoggerAdapter = new WinstonLoggerAdapter();
+    winstonLoggerAdapter.log('verbose', 'testing verbose logs with %j', { hello: 'world' });
+    const results = await winstonLoggerAdapter.query({
+      from: new Date(Date.now() - 500),
+      size: 100,
+      level: 'verbose',
+      order: 'desc',
+    });
+    expect(results.length > 0).toBeTruthy();
+    const log = results.find(
+      x => x.message === 'testing verbose logs with {"hello":"world"}'
+    );
+    expect(log);
+  });
+
+  it('verbose logs should interpolate number', async () => {
+    await reconfigureServer({ verbose: true });
+    const winstonLoggerAdapter = new WinstonLoggerAdapter();
+    winstonLoggerAdapter.log('verbose', 'testing verbose logs with %d', 123);
+    const results = await winstonLoggerAdapter.query({
+      from: new Date(Date.now() - 500),
+      size: 100,
+      level: 'verbose',
+      order: 'desc',
+    });
+    expect(results.length > 0).toBeTruthy();
+    const log = results.find(
+      x => x.message === 'testing verbose logs with 123'
+    );
+    expect(log);
+  });
 });

src/Adapters/Logger/WinstonLogger.js

@@ -19,7 +19,7 @@ function configureTransports(options) {
           {
             filename: 'parse-server.info',
             json: true,
-            format: format.combine(format.timestamp(), format.json()),
+            format: format.combine(format.timestamp(), format.splat(), format.json()),
           },
           options
         )