Allow opType to be passed to cli (#193)

README.md

@@ -38,7 +38,8 @@ npm install pino-elasticsearch -g
   -c  | --cloud             Id of the elastic cloud node to connect to
   -r  | --read-config       the name of config file
   --rejectUnauthorized      Reject any connection which is not authorized with the list of supplied CAs; default: true
-
+  --opType                  the op_type to use (create, index)
+                            "create" is required when using datastreams
 ```
 
 ### Usage as module

cli.js

@@ -64,7 +64,8 @@ function startCli (flags) {
     'api-key',
     'cloud',
     'es-version',
-    'rejectUnauthorized'
+    'rejectUnauthorized',
+    'opType'
   ]
 
   if (flags['read-config']) {

test/cli.test.js

@@ -105,3 +105,23 @@ test('CLI: if arg.read-config is set, should read the config file and passed the
     'read-config': 'test/exampleConfig.js'
   })
 })
+
+test('CLI: arg opType should be passed to client constructor', async (t) => {
+  const cli = proxyquire('../cli.js', {
+    pump: () => { },
+    './lib.js': (opts) => {
+      t.same(opts, {
+        node: 'https://custom-node-url:9999',
+        opType: 'create'
+      })
+      return {
+        on: () => { }
+      }
+    }
+  })
+
+  cli({
+    node: 'https://custom-node-url:9999',
+    opType: 'create'
+  })
+})

usage.txt

@@ -24,5 +24,7 @@
                             (can only be used in tandem with the 'username' flag)
   -k  | --api-key           Api key for authentication instead of username/password combination
   -c  | --cloud             Id of the elastic cloud node to connect to
-  -r | --read-config       the config file to read
+  -r  | --read-config       the config file to read
   --rejectUnauthorized      Reject any connection which is not authorized with the list of supplied CAs; default: true
+  --opType                  the op_type to use (create, index)
+                            "create" is required when using datastreams