Merge pull request #143 from rubycdp/issue_90/set-value-for-non-focusable-input

Implement focusable?

Author: route

lib/ferrum/node.rb

@@ -30,6 +30,13 @@ def focus
       tap { page.command("DOM.focus", slowmoable: true, nodeId: node_id) }
     end
 
+    def focusable?
+      focus
+      true
+    rescue BrowserError => e
+      e.message == "Element is not focusable" ? false : raise
+    end
+
     def blur
       tap { evaluate("this.blur()") }
     end

spec/node_spec.rb

@@ -155,5 +155,19 @@ module Ferrum
         expect(el1 == el2).to be false
       end
     end
+
+    describe "#focusable?" do
+      before do
+        browser.go_to("/ferrum/form")
+      end
+
+      context "with hidden input" do
+        it { expect(browser.at_css("#hidden_input").focusable?).to eq(false) }
+      end
+
+      context "with regular input" do
+        it { expect(browser.at_css("#form_name").focusable?).to eq(true) }
+      end
+    end
   end
 end

spec/support/views/form.erb

@@ -668,3 +668,7 @@ New line after and before textarea tag
 <p>
   <input id="special" {custom}="abcdef" value="custom attribute"/>
 </p>
+
+<p>
+  <input id="hidden_input" style="display: none"/>
+</p>