elasticsearch to be turned off as a default in dev and test

app/models/crop.rb

@@ -40,7 +40,7 @@ class Crop < ActiveRecord::Base
       tokenizer: {
         gs_edgeNGram_tokenizer: {
           type: "edgeNGram",
-          min_gram: 4,
+          min_gram: 3,
           max_gram: 10,
           token_chars: [ "letter", "digit" ]
         }
@@ -243,17 +243,21 @@ class Crop < ActiveRecord::Base
 
   # Crop.search(string)
   def self.search(query)
-    search_str = query.nil? ? "" : query.downcase
-    response = __elasticsearch__.search( {
-        query: {
-          multi_match: {
-            query: "#{search_str}",
-            fields: ["name", "scientific_names.scientific_name", "alternate_names.name"]
-          }
-        },
-        size: 50
-      }
-    )
-    return response.records.to_a
+    if ENV['GROWSTUFF_ELASTICSEARCH'] == "true"
+      search_str = query.nil? ? "" : query.downcase
+      response = __elasticsearch__.search( {
+          query: {
+            multi_match: {
+              query: "#{search_str}",
+              fields: ["name", "scientific_names.scientific_name", "alternate_names.name"]
+            }
+          },
+          size: 50
+        }
+      )
+      return response.records.to_a
+    else
+      where("name ILIKE ?", "%#{query}%") 
+    end
   end
 end

config/application.yml.example

@@ -62,6 +62,13 @@ GROWSTUFF_PAYPAL_USERNAME: "dummy"
 GROWSTUFF_PAYPAL_PASSWORD: "dummy"
 GROWSTUFF_PAYPAL_SIGNATURE: "dummy"
 
+# Elasticsearch is used for flexible search and it requires another component
+# to be installed. To make it easy for people who don't need to test this feature
+# it's been turned off for test and development environment as a default.
+# If you want to test this functionality, install elasticsearch and
+# set this flag to "true".
+GROWSTUFF_ELASTICSEARCH: "false"
+
 ##############################################################################
 # Other environments
 # You can override the above for staging, production, etc.
@@ -78,6 +85,8 @@ test:
 
 staging:
   GROWSTUFF_SITE_NAME: Growstuff (staging)
+  GROWSTUFF_ELASTICSEARCH: "true"
 
 production:
   GROWSTUFF_SITE_NAME: Growstuff
+  GROWSTUFF_ELASTICSEARCH: "true"

spec/features/harvests/harvesting_a_crop_spec.rb

@@ -7,12 +7,13 @@ feature "Harvesting a crop", :js => true do
   background do
     login_as(member)
     visit new_harvest_path
+    sync_elasticsearch([maize])
   end
 
   it_behaves_like "crop suggest", "harvest", "crop"
 
   scenario "Creating a new harvest", :js => true do
-    fill_autocomplete "crop", :with => "m"
+    fill_autocomplete "crop", :with => "mai"
     select_from_autocomplete "maize"
     within "form#new_harvest" do
       fill_in "When?", :with => "2014-06-15"

spec/features/plantings/planting_a_crop_spec.rb

@@ -9,12 +9,13 @@ feature "Planting a crop", :js => true do
   background do
     login_as(member)
     visit new_planting_path
+    sync_elasticsearch([maize])
   end
 
   it_behaves_like "crop suggest", "planting"
 
   scenario "Creating a new planting" do
-    fill_autocomplete "crop", :with => "m"
+    fill_autocomplete "crop", :with => "mai"
     select_from_autocomplete "maize"
     within "form#new_planting" do
       fill_in "When", :with => "2014-06-15"
@@ -41,7 +42,7 @@ feature "Planting a crop", :js => true do
   end
 
   scenario "Marking a planting as finished" do
-    fill_autocomplete "crop", :with => "m"
+    fill_autocomplete "crop", :with => "mai"
     select_from_autocomplete "maize"
     within "form#new_planting" do
       fill_in "When?", :with => "2014-07-01"
@@ -77,7 +78,7 @@ feature "Planting a crop", :js => true do
   end
 
   scenario "Marking a planting as finished without a date" do
-    fill_autocomplete "crop", :with => "m"
+    fill_autocomplete "crop", :with => "mai"
     select_from_autocomplete "maize"
     within "form#new_planting" do
       check "Mark as finished"

spec/features/seeds/adding_seeds_spec.rb

@@ -7,12 +7,13 @@ feature "Harvesting a crop", :js => true do
   background do
     login_as(member)
     visit new_seed_path
+    sync_elasticsearch([maize])
   end
 
   it_behaves_like "crop suggest", "seed", "crop"
 
   scenario "Adding a new seed", :js => true do
-    fill_autocomplete "crop", :with => "m"
+    fill_autocomplete "crop", :with => "mai"
     select_from_autocomplete "maize"
     within "form#new_seed" do
       fill_in "Quantity:", :with => 42

spec/features/shared_examples/crop_suggest.rb

@@ -1,29 +1,39 @@
 require 'rails_helper'
 
 shared_examples "crop suggest" do |resource|
-  let!(:popcorn) { FactoryGirl.create(:popcorn) }
+  let!(:pea)     { FactoryGirl.create(:crop, :name => 'pea') }
   let!(:pear)    { FactoryGirl.create(:pear) }
   let!(:tomato)  { FactoryGirl.create(:tomato) }
   let!(:roma)    { FactoryGirl.create(:roma) }
 
+  background do
+    sync_elasticsearch([pea, pear, maize, tomato])
+  end
+
   scenario "See text in crop auto suggest field" do
     expect(page).to have_selector("input[placeholder='e.g. lettuce']")
   end
 
   scenario "Typing in the crop name displays suggestions" do
     within "form#new_#{resource}" do
-      fill_autocomplete "crop", :with => "p"
+      fill_autocomplete "crop", :with => "pe"
+    end
+
+    expect(page).to_not have_content("pear")
+    expect(page).to_not have_content("pea")
+
+    within "form#new_#{resource}" do
+      fill_autocomplete "crop", :with => "pea"
     end
 
     expect(page).to have_content("pear")
-    expect(page).to have_content("popcorn")
+    expect(page).to have_content("pea")
 
     within "form#new_#{resource}" do
       fill_autocomplete "crop", :with => "pear"
     end
 
     expect(page).to have_content("pear")
-    expect(page).to_not have_content("popcorn")
 
     select_from_autocomplete("pear")
 
@@ -32,16 +42,16 @@ shared_examples "crop suggest" do |resource|
 
   scenario "Typing and pausing does not affect input" do
     within "form#new_#{resource}" do
-      fill_autocomplete "crop", :with => "p"
+      fill_autocomplete "crop", :with => "pea"
     end
 
     expect(page).to have_content("pear")
-    expect(find_field("crop").value).to eq("p")
+    expect(find_field("crop").value).to eq("pea")
   end
 
   scenario "Searching for a crop casts a wide net on results" do
     within "form#new_#{resource}" do
-      fill_autocomplete "crop", :with => "to"
+      fill_autocomplete "crop", :with => "tom"
     end
 
     expect(page).to have_content("tomato")

spec/models/crop_spec.rb

@@ -328,8 +328,7 @@ describe Crop do
   context "search" do
     before :each do
       @mushroom = FactoryGirl.create(:crop, :name => 'mushroom')
-      @mushroom.__elasticsearch__.index_document
-      Crop.__elasticsearch__.refresh_index!
+      sync_elasticsearch([@mushroom])
     end
     it "finds exact matches" do
       Crop.search('mushroom').should eq [@mushroom]

spec/support/database_cleaner.rb

@@ -14,7 +14,6 @@ RSpec.configure do |config|
 
   config.before(:each) do
     DatabaseCleaner.start
-    Crop.__elasticsearch__.create_index! force: true
   end
 
   config.after(:each) do

spec/support/elasticsearch_helpers.rb

@@ -0,0 +1,18 @@
+module ElasticsearchHelpers
+  def sync_elasticsearch(crops)
+    if ENV['GROWSTUFF_ELASTICSEARCH'] == "true"
+      crops.each {|crop| crop.__elasticsearch__.index_document}
+      Crop.__elasticsearch__.refresh_index!
+    end
+  end
+end
+
+RSpec.configure do |config|
+  config.include ElasticsearchHelpers
+
+  config.before(:each) do
+    if ENV['GROWSTUFF_ELASTICSEARCH'] == "true"
+      Crop.__elasticsearch__.create_index! force: true
+    end
+  end
+end