MONGOID-4906 Implement $comment (#4921)

mongodb · Nov 18, 2020 · 3839fc4 · 3839fc4
1 parent d8ef286
commit 3839fc4
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diff --git a/lib/mongoid/matcher/expression.rb b/lib/mongoid/matcher/expression.rb
@@ -12,6 +12,10 @@ module Expression
         end
         expr.all? do |k, expr_v|
           k = k.to_s
+          if k == "$comment"
+            # Nothing
+            return true
+          end
           if k.start_with?('$')
             ExpressionOperator.get(k).matches?(document, expr_v)
           else

diff --git a/spec/integration/matcher_operator_data/comment.yml b/spec/integration/matcher_operator_data/comment.yml
@@ -0,0 +1,22 @@
+- name: matches
+  document:
+    name: Angel Share
+  query:
+    name: Angel Share
+    $comment: "foo"
+  matches: true
+
+- name: null query is accepted
+  document:
+    pi: 3.14
+  query:
+    $comment: "hello"
+  matches: true
+
+- name: does not match
+  document:
+    name: Angel Share
+  query:
+    name: Angel Foo
+    $comment: "foo"
+  matches: false