smarter testing

spec/support/ember_helpers.rb

@@ -27,6 +27,36 @@ module SpecEmberHelpers
     classes.should include class_name
   end
 
+  # expect_that_eventually selector: '.supplier-orders-placed-count-number', has_text: "10"
+  def expect_that_eventually(options = {})
+    selector = options[:selector] or raise "An argument selector: '.my-selector' is required"
+    time = 0
+    expected_value, value_method = case options
+      when ->(h){ h.has_key? :has_text } then [options[:has_text], 'text()']
+      when ->(h){ h.has_key? :has_value } then [options[:has_value], 'val()']
+      else
+        raise "No matcher can be found, possible matchers: :has_text, ..."
+    end
+    current_value = page.evaluate_script("$('#{selector}').#{value_method}")
+    while current_value != expected_value and time < 30
+      sleep 0.1
+      current_value = page.evaluate_script("$('#{selector}').text()")
+      time += 1
+    end
+    #current_value.should eq expected_text
+    #if expected_text = options[:has_text]
+      #current_value = page.evaluate_script("$('#{selector}').#{value_method}")
+      #while current_text != expected_text and time < 30
+        #sleep 0.1
+        #current_text = page.evaluate_script("$('#{selector}').text()")
+        #time += 1
+      #end
+      #current_text.should eq expected_text
+    #else
+      #raise "No matcher can be found, possible matchers: :has_text, ..."
+    #end
+  end
+
   def js_set_field(selector, value)
     find selector
     page.execute_script("$('#{selector}').val('#{value}').trigger('change')")