From ae885e82f49f1bc8a47ab632a81216e42971065e Mon Sep 17 00:00:00 2001
From: Alexander Karmes <yukke.90@gmail.com>
Date: Sun, 25 Jan 2015 02:38:23 +0100
Subject: [PATCH] Add be_dynamic_document matcher

class Log
  include Mongoid::Document
  include Mongoid::Attributes::Dynamic
end
RSpec.describe Log do
  it { is_expected.to be_dynamic_document }
end
---
 README.md                  |  1 +
 lib/matchers/document.rb   | 10 ++++++++++
 spec/models/log.rb         |  4 +++-
 spec/unit/document_spec.rb |  5 +++++
 4 files changed, 19 insertions(+), 1 deletion(-)

diff --git a/README.md b/README.md
index 42c3166..44b4397 100644
--- a/README.md
+++ b/README.md
@@ -196,6 +196,7 @@ end
 
 RSpec.describe Log do
   it { is_expected.to be_stored_in :logs }
+  it { is_expected.to be_dynamic_document }
 end
 
 RSpec.describe Article do
diff --git a/lib/matchers/document.rb b/lib/matchers/document.rb
index ffce435..e98c815 100644
--- a/lib/matchers/document.rb
+++ b/lib/matchers/document.rb
@@ -161,3 +161,13 @@ def have_field(*args)
     "be a multiparameted Mongoid document"
   end
 end
+
+RSpec::Matchers.define :be_dynamic_document do |_|
+  match do |doc|
+    doc.class.included_modules.include?(Mongoid::Attributes::Dynamic)
+  end
+
+  description do
+    'be a Mongoid document with dynamic attributes'
+  end
+end
diff --git a/spec/models/log.rb b/spec/models/log.rb
index 1325b76..ebb3727 100644
--- a/spec/models/log.rb
+++ b/spec/models/log.rb
@@ -1,4 +1,6 @@
 class Log
   include Mongoid::Document
+  include Mongoid::Attributes::Dynamic
+
   store_in collection: "logs"
-end
\ No newline at end of file
+end
diff --git a/spec/unit/document_spec.rb b/spec/unit/document_spec.rb
index 7694792..c0cad38 100644
--- a/spec/unit/document_spec.rb
+++ b/spec/unit/document_spec.rb
@@ -18,4 +18,9 @@
     it { is_expected.to be_mongoid_document }
     it { is_expected.to be_timestamped_document }
   end
+
+  describe Log do
+    it { is_expected.to be_mongoid_document }
+    it { is_expected.to be_dynamic_document }
+  end
 end