have_select2 can test for an exact set of options

spec/support/matchers/select2_matchers.rb

@@ -5,29 +5,21 @@ RSpec::Matchers.define :have_select2 do |id, options={}|
   # TODO: Instead of passing in id, use a more general locator
 
   match_for_should do |node|
-    @id, @options = id, options
+    @id, @options, @node = id, options, node
 
     #id = find_label_by_text(locator)
     from = "#s2id_#{id}"
 
-    found_element = node.has_selector? from
+    results = []
 
-    if !found_element
-      false
+    results << node.has_selector?(from)
 
-    else
-      if options.key? :with_options
-        find(from).click
-
-        all_options_present = options[:with_options].all? do |option|
-          node.has_selector? "div.select2-drop-active ul.select2-results li", text: option
-        end
-
-        find(from).click
-
-        all_options_present
-      end
+    if results.all?
+      results << all_options_present(from, options[:with_options]) if options.key? :with_options
+      results << exact_options_present(from, options[:options]) if options.key? :options
     end
+
+    results.all?
   end
 
   failure_message_for_should do |actual|
@@ -39,4 +31,26 @@ RSpec::Matchers.define :have_select2 do |id, options={}|
   match_for_should_not do |node|
     raise "Not yet implemented"
   end
+
+
+  def all_options_present(from, options)
+    with_select2_open(from) do
+      options.all? do |option|
+        @node.has_selector? "div.select2-drop-active ul.select2-results li", text: option
+      end
+    end
+  end
+
+  def exact_options_present(from, options)
+    with_select2_open(from) do
+      @node.all("div.select2-drop-active ul.select2-results li").map(&:text) == options
+    end
+  end
+
+  def with_select2_open(from)
+    find(from).click
+    r = yield
+    find(from).click
+    r
+  end
 end