Move the ping method into the repository

This will allow different types of repositories to add their own ping
handler

lib/blacklight/abstract_repository.rb

@@ -32,13 +32,18 @@ def search(_params = {})
       raise NotImplementedError
     end
 
-    ##
     # Query the fields that exist from the index
     # @return [Hash]
     def reflect_fields
       raise NotImplementedError
     end
 
+    ##
+    # Is the repository in a working state?
+    def ping
+      raise NotImplementedError
+    end
+
     private
 
     def connection_config

lib/blacklight/solr/repository.rb

@@ -36,6 +36,14 @@ def reflect_fields
       send_and_receive('admin/luke', params: { fl: '*', 'json.nl' => 'map' })['fields']
     end
 
+    ##
+    # @return [boolean] true if the repository is reachable
+    def ping
+      response = connection.send_and_receive 'admin/ping', {}
+      Blacklight.logger.info("Ping [#{connection.uri}] returned: '#{response['status']}'")
+      response['status'] == "OK"
+    end
+
     ##
     # Execute a solr query
     # TODO: Make this private after we have a way to abstract admin/luke and ping

lib/railties/blacklight.rake

@@ -27,23 +27,18 @@ namespace :blacklight do
   namespace :check do
     desc "Check the Solr connection and controller configuration"
     task :solr, [:controller_name] => [:environment] do
-      errors = 0
-      verbose = ENV.fetch('VERBOSE', false).present?
-
-      conn = Blacklight.default_index.connection
-      puts "[#{conn.uri}]"
-
-      print " - admin/ping: "
       begin
-        response = conn.send_and_receive 'admin/ping', {}
-        puts response['status']
-        errors += 1 unless response['status'] == "OK"
+        conn = Blacklight.default_index
+        if conn.ping
+          puts "OK"
+        else
+          puts "Unable to reach: #{conn.uri}"
+          exit 1
+        end
       rescue => e
-        errors += 1
         puts e.to_s
+        exit 1
       end
-
-      exit 1 if errors > 0
     end
 
     task :controller, [:controller_name] => [:environment] do |_, args|

spec/models/blacklight/solr/repository_spec.rb

@@ -1,8 +1,8 @@
 # frozen_string_literal: true
 
 RSpec.describe Blacklight::Solr::Repository, api: true do
-  subject do
-    Blacklight::Solr::Repository.new blacklight_config
+  subject(:repository) do
+    described_class.new blacklight_config
   end
 
   let :blacklight_config do
@@ -144,4 +144,10 @@
       expect(response.docs.length).to be >= 1
     end
   end
+
+  describe '#ping' do
+    subject { repository.ping }
+
+    it { is_expected.to be true }
+  end
 end