added test of utils

lib/orientdb4r/utils.rb

@@ -3,6 +3,8 @@ module Orientdb4r
   module Utils
 
     def verify_options(options, pattern)
+      raise ArgumentError, 'options cannot be nil' if options.nil?
+
       # unknown key?
       options.keys.each do |k|
         raise ArgumentError, "unknow option: #{k}" unless pattern.keys.include? k
@@ -11,6 +13,13 @@ def verify_options(options, pattern)
       pattern.each do |k,v|
         raise ArgumentError, "missing mandatory option: #{k}" if v == :mandatory and !options.keys.include? k
       end
+      # option in a set of allowed values
+      pattern.each do |k,v|
+        if v.instance_of? Array
+          raise ArgumentError, "value '#{options[k]}' not in #{v.inspect}, key=#{k}" unless v.include?(options[k])
+        end
+      end
+
       options
     end
 

test/test_utils.rb

@@ -0,0 +1,30 @@
+require 'test/unit'
+require 'orientdb4r'
+
+###
+# This class tests Utils methods.
+class TestDmo < Test::Unit::TestCase
+  include Orientdb4r::Utils
+
+  def test_verify_options
+    opt_pattern = {:a => :mandatory, :b => :optional, :c => 'predefined', :d => [1, 2]}
+    assert_nothing_thrown do verify_options({:a => 'A', :b => 'B', :c => 'C', :d => 1}, opt_pattern); end
+
+    # missing mandatory
+    assert_raise ArgumentError do verify_options({}, opt_pattern); end
+    # unknown key
+    assert_raise ArgumentError do verify_options({:a => 1, :z => 2}, opt_pattern); end
+    # value not in predefined set
+    assert_raise ArgumentError do verify_options({:a => 1, :d => 3}, opt_pattern); end
+  end
+
+  def test_verify_and_sanitize_options
+    opt_pattern = {:a => 'A', :b => 'B'}
+    options = {:a => 'X'}
+    verify_and_sanitize_options(options, opt_pattern)
+    assert_equal 2, options.size
+    assert_equal 'X', options[:a]
+    assert_equal 'B', options[:b]
+  end
+
+end