Implement `yaml_write' action

features/action_yaml_write.feature

@@ -0,0 +1,14 @@
+@sshd
+Feature: `yaml_write' task action
+
+  Background:
+    Given a recipe with:
+      """
+      task :yaml_write_action do
+        yaml_write 'some_file', data: { foo: 'bar' }
+      end
+     """
+
+  Scenario: writes given data as YAML
+    When I successfully execute the recipe on remote target
+    Then the remote file "some_file" must match /^:foo: bar$/

features/steps/remote_steps.rb

@@ -22,6 +22,10 @@ Then /^the remote file "([^"]+)" must contain exactly "([^"]+)"$/ do |path, cont
   check_exact_file_content path, content
 end
 
+Then /^the remote file "([^"]+)" must match \/([^\/]+)\/$/ do |path, pattern|
+  check_file_content path, /#{pattern}/, true
+end
+
 def stat_mode(path)
   in_current_dir do
     ('%o' % [File::Stat.new(path).mode])[-4, 4]