Add Fill input type text with empty value by its attribute step defin…

…ition #145

tests/step-definitions/webship.js

@@ -246,6 +246,33 @@ When(/^(I|we)* fill in "([^"]*)?" with:$/, function (pronoundCase, field) {
   });
 });
 
+/**
+ * Fill input type text with empty value by its attribute
+ * Example: When I fill in "uname" with: by attr
+ * Example: And I fill in "pwordcss" with: by "class" attr
+ * Example: And I fill in "Your full name" with: by its "placeholder" attribute
+ *
+ */
+When(/^(I|we)* fill in "([^"]*)?" with: by( its)*( "([^"]*)?")* (attribute|attr)$/, function (pronoundCase, attrValue , itsCase, attr, attrCase) {
+
+  const hasASpace = attrValue.indexOf(' ');
+  const txtValue = '';
+  var selector = '';
+
+  if (!attr && hasASpace == -1){
+    selector = attrValue + ',#' + attrValue + ',.' + attrValue + ',[name=' + attrValue + "]," + '[value="' + attrValue + '"],[placeholder="' + attrValue + '"]';
+  }
+  else if (!attr && hasASpace > -1){
+    selector ='[value="' + attrValue + '"],[placeholder="' + attrValue + '"]';
+  }
+  else {
+    selector = '[' + attr + '="' + attrValue + '"]';
+  }
+
+  return browser.setValue(selector, txtValue);
+
+});
+
 /**
  * Fills in form field with specified element
  * Example: And I fill in "webshipco" for "username"