feat: Make recording size limit configurable (#40)

Author: jasonmit

docs/node-server/overview.md

@@ -122,3 +122,20 @@ registerExpressAPI(app, {
   apiNamespace: 'polly_js'
 });
 ```
+
+### recordingSizeLimit
+
+_Type_: `String`
+_Default_: `'50mb'`
+
+A recording size can not exceed 50mb by default.  If your application exceeds this limit, bump this value to a reasonable limit.
+
+```js
+new Server({
+  recordingSizeLimit: '50mb'
+});
+
+registerExpressAPI(app, {
+  recordingSizeLimit: '50mb'
+});
+```

packages/@pollyjs/cli/bin/cli.js

@@ -25,6 +25,11 @@ cli
     'recordings directory',
     Polly.Defaults.recordingsDir
   )
+  .option(
+    '-s, --recording-size-limit <limit>',
+    'recording size limit',
+    Polly.Defaults.recordingSizeLimit
+  )
   .option('-q, --quiet', 'disable the logging')
   .action(function(options) {
     new Polly.Server(options).listen();

packages/@pollyjs/ember/README.md

@@ -38,7 +38,8 @@ module.exports = function(defaults) {
       // Server Configuration Options
       server: {
         apiNamespace: 'polly',
-        recordingsDir: 'recordings'
+        recordingsDir: 'recordings',
+        recordingSizeLimit: '50mb'
       }
     }
   });

packages/@pollyjs/node-server/src/config.js

@@ -1,6 +1,7 @@
 export default {
   port: 3000,
   quiet: false,
+  recordingSizeLimit: '50mb',
   recordingsDir: 'recordings',
   apiNamespace: 'polly'
 };

packages/@pollyjs/node-server/src/express/register-api.js

@@ -34,12 +34,16 @@ export default function registerAPI(app, config) {
     }
   });
 
-  router.post('/:recording', bodyParser.json(), function(req, res) {
-    const { recording } = req.params;
-    const { status, body } = api.saveRecording(recording, req.body);
-
-    res.status(status).send(body);
-  });
+  router.post(
+    '/:recording',
+    bodyParser.json({ limit: config.recordingSizeLimit }),
+    function(req, res) {
+      const { recording } = req.params;
+      const { status, body } = api.saveRecording(recording, req.body);
+
+      res.status(status).send(body);
+    }
+  );
 
   router.delete('/:recording', function(req, res) {
     const { recording } = req.params;