Adds unit tests to check that there are ARIA labels on the search but…

…tons (#407)

* add aria-label to search button

* add aria-label to search-by-location button

* Add tests for ARIA labels on search buttons (splash page)

app/views/layouts/_search.html.haml

@@ -7,9 +7,9 @@
     .input-group
       = text_field_tag :search, params[:search], class: "form-control search-bar", aria: {label: t("search_bar.enter_location")}
       .input-group-btn
-        %button.btn.btn-light-purple.submit-search-button{type: "button", title: "Search", value: "Search"}
+        %button.btn.btn-light-purple.submit-search-button{type: "button", title: "Search", value: "Search", aria: { label: "Search" }}
           %i.fa.fa-search.fa-2x
           %i.fa.fa-refresh.fa-spin.fa-2x
-        %button.btn.btn-light-purple.current-location-button{type: "button", title: "Search by Current Location", value: (splash ? "Search Current Location" : nil ) }
+        %button.btn.btn-light-purple.current-location-button{type: "button", title: "Search by Current Location", aria: { label: "Search by Current Location" }, value: (splash ? "Search Current Location" : nil ) }
           %i.fa.fa-location-arrow.fa-2x
           %i.fa.fa-refresh.fa-spin.fa-2x

features/search.feature

@@ -13,9 +13,14 @@ Feature: Search for restrooms
     And I search from Vancouver
     Then I should not see a restroom
 
+  Scenario: Search from splash page (screen reader accessibility check)
+    When I am on the splash page
+    Then the search buttons should have ARIA labels
+
   Scenario: Map display
     Given a restroom exists in Winnipeg
     When I am on the splash page
     And I search from Winnipeg
     And I show the map
     Then I should see a restroom on the map
+

features/step_definitions/search_steps.rb

@@ -7,3 +7,8 @@
   mock_location location
   find('.current-location-button').click
 end
+
+Then(/^the search buttons should have ARIA labels$/) do
+ expect(find('button.submit-search-button')['aria-label']).to be_truthy
+ expect(find('button.current-location-button')['aria-label']).to be_truthy
+end