Firebase: print params (GoogleCloudPlatform#2221)

* Add params print statement

* Update main.py

Author: Ace Nassri

functions/firebase/main.py

@@ -38,6 +38,11 @@ def hello_rtdb(data, context):
     """
     trigger_resource = context.resource
 
+    if 'params' in data:
+        print('Path parameters:')
+        for param, value in data['params'].items():
+            print(f'  {param}: {value}')
+
     print('Function triggered by change to: %s' % trigger_resource)
     print('Admin?: %s' % data.get("admin", False))
     print('Delta:')

functions/firebase/main_test.py

@@ -29,7 +29,8 @@ class Context(object):
 def test_rtdb(capsys):
     data = {
         'admin': True,
-        'delta': {'id': 'my-data'}
+        'delta': {'id': 'my-data'},
+        'params': {'baz': 'quux'}
     }
 
     context = Context()
@@ -39,6 +40,7 @@ def test_rtdb(capsys):
 
     out, _ = capsys.readouterr()
 
+    assert 'baz: quux' in out
     assert 'Function triggered by change to: my-resource' in out
     assert 'Admin?: True' in out
     assert 'my-data' in out