test/query_test.rb in invokr-0.0.1 vs test/query_test.rb in invokr-0.0.2

@@ -13,6 +13,43 @@
   end
 
   def test_required_dependencies
     assert_equal [:album], @method.required_dependencies
   end
+
+  def test_invoking_singleton_from_query_object
+    assert_equal ['junta', 'trey'], @method.invoke(album: 'junta')
+  end
+
+  def test_invoking_instance_from_query_object
+    test_klass = define_test_klass
+    method = Invokr.query_method test_klass.instance_method :upcase
+
+    val = method.invoke test_klass.new, dep: 'phIsh'
+    assert_equal "PHISH", val
+  end
+
+  def test_cannot_invoke_instance_not_type_other_than_method_owner
+    test_klass = define_test_klass
+    method = Invokr.query_method test_klass.instance_method :upcase
+
+    error = assert_raises TypeError do
+      method.invoke Array.new, dep: 'phIsh'
+    end
+
+    assert_equal 'no implicit conversion of Array into TestKlass', error.message
+  end
+
+  private
+
+  def define_test_klass
+    Class.new do
+      def self.name
+        'TestKlass'
+      end
+
+      def upcase dep
+        dep.upcase
+      end
+    end
+  end
 end