can use NamedTuple as *_with method's argument

spec/form/button_spec.cr

@@ -26,8 +26,13 @@ describe "Form Fields CheckBox" do
     form.buttons.size.should eq 2
   end
 
-  it "can be found by button_with method" do
+  it "can be found by button_with method, argument type: Hash" do
     button2 = form.button_with({"class" => "sndButton"})
     button2.value.should eq "sndButtonValue"
   end
+
+  it "can be found by button_with method, argument type: NamedTuple" do
+    button2 = form.button_with({class: "sndButton"})
+    button2.value.should eq "sndButtonValue"
+  end
 end

spec/form/check_box_spec.cr

@@ -52,10 +52,17 @@ describe "Form Fields CheckBox" do
     checkbox.name.should eq "remember_me"
   end
 
-  it "can be found by checkboxes_with method" do
+  it "can be found by checkboxes_with method, argument type: Hash" do
     checkboxes = form.checkboxes_with({"class" => "some_checkbox"})
     checkboxes.size.should eq 2
     checkboxes[0].name.should eq "remember_me"
     checkboxes[1].name.should eq "forget_me"
   end
+
+  it "can be found by checkboxes_with method, argument type: NamedTuple" do
+    checkboxes = form.checkboxes_with({class: "some_checkbox"})
+    checkboxes.size.should eq 2
+    checkboxes[0].name.should eq "remember_me"
+    checkboxes[1].name.should eq "forget_me"
+  end
 end

spec/form/field_spec.cr

@@ -47,9 +47,17 @@ describe "Form Fields" do
     email_field.name.should eq "email"
   end
 
-  it "can be found by fields_with method" do
+  it "can be found by fields_with method, argument type: Hash" do
     name_fields = form.fields_with("name")
     name_fields.size.should eq 2
     name_fields[0].name.should eq "name"
   end
+
+  it "can be found by fields_with method, argument type: NamedTuple" do
+    name_field = form.field_with("name")
+    name_field.name.should eq "name"
+
+    email_field = form.field_with({id: "emailID"})
+    email_field.name.should eq "email"
+  end
 end

spec/form/radio_button_spec.cr

@@ -71,4 +71,14 @@ describe "Form Fields RadioButton" do
     radiobuttons[1].value.should eq "phone"
     radiobuttons[2].value.should eq "mail"
   end
+
+  it "can be found by radiobutton_with method, argument type: Hash" do
+    radiobutton = form.radiobutton_with({"id": "contactChoice1"})
+    radiobutton.value.should eq "email"
+  end
+
+  it "can be found by radiobutton_with method, argument type: NamedTuple" do
+    radiobutton = form.radiobutton_with({id: "contactChoice1"})
+    radiobutton.value.should eq "email"
+  end
 end

spec/page_spec.cr

@@ -32,10 +32,17 @@ describe "Mechanize Page test" do
     page.forms.first.name.should eq "sample_form"
   end
 
-  it "can detect form by using form_with method" do
+  it "can detect form by using form_with method, argument type: Hash" do
     agent = Mechanize.new
     page = agent.get("http://example.com/form")
     form = page.form_with({"name" => "sample_form" })
     form.name.should eq "sample_form"
   end
+
+  it "can detect form by using form_with method, argument type: NamedTuple" do
+    agent = Mechanize.new
+    page = agent.get("http://example.com/form")
+    form = page.form_with({name: "sample_form" })
+    form.name.should eq "sample_form"
+  end
 end

src/mechanize/utils/element_matcher.cr

@@ -6,6 +6,9 @@ module MechanzeCr::ElementMatcher
     end
 
     def {{plural.id}}_with(criteria, &block)
+      if criteria.is_a?(NamedTuple)
+        criteria = criteria.to_h
+      end
       if criteria.is_a?(String)
         criteria = {"name" => criteria}
       else