implement dbadapter schema

.rubocop.yml

-
-
-
 AllCops:
   TargetRubyVersion: 2.3
   Include:
-
     - '**/config.ru'
   Exclude:
     - '**/Rakefile'
@@ -16,3 +12,4 @@ AllCops:
     - 'spec/spec_helper.rb'
     - 'spec/rails_helper.rb'
     - 'test/test_helper.rb'
+    - 'features/support/env.rb'
\ No newline at end of file

Gemfile

@@ -44,6 +44,8 @@ group :development, :test do
   gem 'vcr'
   gem 'webmock'
   gem 'rspec-json_expectations'
+  gem 'cucumber-rails', require: false
+  gem 'database_cleaner'
 end
 
 group :development, :test do

Gemfile.lock

@@ -43,6 +43,13 @@ GEM
       debug_inspector (>= 0.0.1)
     builder (3.2.2)
     byebug (8.2.5)
+    capybara (2.7.1)
+      addressable
+      mime-types (>= 1.16)
+      nokogiri (>= 1.3.3)
+      rack (>= 1.0.0)
+      rack-test (>= 0.5.4)
+      xpath (~> 2.0)
     coderay (1.1.1)
     coffee-rails (4.1.1)
       coffee-script (>= 2.2.0)
@@ -54,6 +61,24 @@ GEM
     concurrent-ruby (1.0.2)
     crack (0.4.3)
       safe_yaml (~> 1.0.0)
+    cucumber (2.3.3)
+      builder (>= 2.1.2)
+      cucumber-core (~> 1.4.0)
+      cucumber-wire (~> 0.0.1)
+      diff-lcs (>= 1.1.3)
+      gherkin (~> 3.2.0)
+      multi_json (>= 1.7.5, < 2.0)
+      multi_test (>= 0.1.2)
+    cucumber-core (1.4.0)
+      gherkin (~> 3.2.0)
+    cucumber-rails (1.4.3)
+      capybara (>= 1.1.2, < 3)
+      cucumber (>= 1.3.8, < 3)
+      mime-types (>= 1.16, < 4)
+      nokogiri (~> 1.5)
+      railties (>= 3, < 5)
+    cucumber-wire (0.0.1)
+    database_cleaner (1.5.3)
     debug_inspector (0.0.2)
     diff-lcs (1.2.5)
     erubis (2.7.0)
@@ -67,6 +92,7 @@ GEM
       i18n (~> 0.5)
     ffi (1.9.10)
     formatador (0.2.5)
+    gherkin (3.2.0)
     globalid (0.3.6)
       activesupport (>= 4.1.0)
     guard (2.13.0)
@@ -115,6 +141,7 @@ GEM
     mini_portile2 (2.0.0)
     minitest (5.8.4)
     multi_json (1.12.0)
+    multi_test (0.1.2)
     multi_xml (0.5.5)
     nenv (0.3.0)
     nokogiri (1.6.7.2)
@@ -239,6 +266,8 @@ GEM
       addressable (>= 2.3.6)
       crack (>= 0.3.2)
       hashdiff
+    xpath (2.0.0)
+      nokogiri (~> 1.3)
 
 PLATFORMS
   ruby
@@ -246,6 +275,8 @@ PLATFORMS
 DEPENDENCIES
   byebug
   coffee-rails (~> 4.1.0)
+  cucumber-rails
+  database_cleaner
   factory_girl_rails
   faker
   guard
@@ -272,4 +303,4 @@ DEPENDENCIES
   webmock
 
 BUNDLED WITH
-   1.12.3
+   1.12.4

app/adapters/db_adapter.rb

@@ -9,7 +9,14 @@ class DbAdapter
   end
 
   def schema
-    x = self.class.get("#{@url}/stream/list")
-    byebug
+    dump = self.class.get("#{@url}/stream/list?extended=1")
+    dump.parsed_response.map do |entry|
+      { path:       entry[0],
+        type:       entry[1],
+        start_time: entry[2] || 0,
+        end_time:   entry[3] || 0,
+        total_rows: entry[4],
+        total_time: entry[5] }
+    end
   end
 end

bin/build

+#!/usr/bin/env ruby
+# frozen_string_literal: true
+#
+# This file was generated by Bundler.
+#
+# The application 'build' is installed as part of a gem, and
+# this file is here to facilitate running it.
+#
+
+require "pathname"
+ENV["BUNDLE_GEMFILE"] ||= File.expand_path("../../Gemfile",
+  Pathname.new(__FILE__).realpath)
+
+require "rubygems"
+require "bundler/setup"
+
+load Gem.bin_path("rspec-json_expectations", "build")

bin/cucumber

+#!/usr/bin/env ruby
+# frozen_string_literal: true
+#
+# This file was generated by Bundler.
+#
+# The application 'cucumber' is installed as part of a gem, and
+# this file is here to facilitate running it.
+#
+
+require "pathname"
+ENV["BUNDLE_GEMFILE"] ||= File.expand_path("../../Gemfile",
+  Pathname.new(__FILE__).realpath)
+
+require "rubygems"
+require "bundler/setup"
+
+load Gem.bin_path("cucumber", "cucumber")

bin/httparty

+#!/usr/bin/env ruby
+# frozen_string_literal: true
+#
+# This file was generated by Bundler.
+#
+# The application 'httparty' is installed as part of a gem, and
+# this file is here to facilitate running it.
+#
+
+require "pathname"
+ENV["BUNDLE_GEMFILE"] ||= File.expand_path("../../Gemfile",
+  Pathname.new(__FILE__).realpath)
+
+require "rubygems"
+require "bundler/setup"
+
+load Gem.bin_path("httparty", "httparty")

bin/rails

 #!/usr/bin/env ruby
+begin
+  load File.expand_path('../spring', __FILE__)
+rescue LoadError => e
+  raise unless e.message.include?('spring')
+end
 APP_PATH = File.expand_path('../../config/application', __FILE__)
 require_relative '../config/boot'
 require 'rails/commands'

bin/rake

 #!/usr/bin/env ruby
+begin
+  load File.expand_path('../spring', __FILE__)
+rescue LoadError => e
+  raise unless e.message.include?('spring')
+end
 require_relative '../config/boot'
 require 'rake'
 Rake.application.run

bin/rspec

 #!/usr/bin/env ruby
+begin
+  load File.expand_path('../spring', __FILE__)
+rescue LoadError => e
+  raise unless e.message.include?('spring')
+end
 # frozen_string_literal: true
 #
 # This file was generated by Bundler.

bin/safe_yaml

+#!/usr/bin/env ruby
+# frozen_string_literal: true
+#
+# This file was generated by Bundler.
+#
+# The application 'safe_yaml' is installed as part of a gem, and
+# this file is here to facilitate running it.
+#
+
+require "pathname"
+ENV["BUNDLE_GEMFILE"] ||= File.expand_path("../../Gemfile",
+  Pathname.new(__FILE__).realpath)
+
+require "rubygems"
+require "bundler/setup"
+
+load Gem.bin_path("safe_yaml", "safe_yaml")

bin/spring

 #!/usr/bin/env ruby
-# frozen_string_literal: true
-#
-# This file was generated by Bundler.
-#
-# The application 'spring' is installed as part of a gem, and
-# this file is here to facilitate running it.
-#
 
-require "pathname"
-ENV["BUNDLE_GEMFILE"] ||= File.expand_path("../../Gemfile",
-  Pathname.new(__FILE__).realpath)
+# This file loads spring without using Bundler, in order to be fast.
+# It gets overwritten when you run the `spring binstub` command.
 
-require "rubygems"
-require "bundler/setup"
+unless defined?(Spring)
+  require 'rubygems'
+  require 'bundler'
 
-load Gem.bin_path("spring", "spring")
+  if (match = Bundler.default_lockfile.read.match(/^GEM$.*?^    (?:  )*spring \((.*?)\)$.*?^$/m))
+    Gem.paths = { 'GEM_PATH' => [Bundler.bundle_path.to_s, *Gem.path].uniq.join(Gem.path_separator) }
+    gem 'spring', match[1]
+    require 'spring/binstub'
+  end
+end

bin/with-rspec-2

+#!/usr/bin/env ruby
+# frozen_string_literal: true
+#
+# This file was generated by Bundler.
+#
+# The application 'with-rspec-2' is installed as part of a gem, and
+# this file is here to facilitate running it.
+#
+
+require "pathname"
+ENV["BUNDLE_GEMFILE"] ||= File.expand_path("../../Gemfile",
+  Pathname.new(__FILE__).realpath)
+
+require "rubygems"
+require "bundler/setup"
+
+load Gem.bin_path("rspec-json_expectations", "with-rspec-2")

bin/with-rspec-3

+#!/usr/bin/env ruby
+# frozen_string_literal: true
+#
+# This file was generated by Bundler.
+#
+# The application 'with-rspec-3' is installed as part of a gem, and
+# this file is here to facilitate running it.
+#
+
+require "pathname"
+ENV["BUNDLE_GEMFILE"] ||= File.expand_path("../../Gemfile",
+  Pathname.new(__FILE__).realpath)
+
+require "rubygems"
+require "bundler/setup"
+
+load Gem.bin_path("rspec-json_expectations", "with-rspec-3")

config/cucumber.yml

+<%
+rerun = File.file?('rerun.txt') ? IO.read('rerun.txt') : ""
+rerun_opts = rerun.to_s.strip.empty? ? "--format #{ENV['CUCUMBER_FORMAT'] || 'progress'} features" : "--format #{ENV['CUCUMBER_FORMAT'] || 'pretty'} #{rerun}"
+std_opts = "--format #{ENV['CUCUMBER_FORMAT'] || 'pretty'} --strict --tags ~@wip"
+%>
+default: <%= std_opts %> features
+wip: --tags @wip:3 --wip features
+rerun: <%= rerun_opts %> --format rerun --out rerun.txt --strict --tags ~@wip

config/database.yml

@@ -16,10 +16,13 @@ development:
 # Warning: The database defined as "test" will be erased and
 # re-generated from your development database when you run "rake".
 # Do not set this db to the same as development or production.
-test:
+test: &test
   <<: *default
   database: db/test.sqlite3
 
 production:
   <<: *default
   database: db/production.sqlite3
+
+cucumber:
+  <<: *test

features/load_db_schema.feature

+Feature: Adding a task
+
+  Background: 
+    Given a nilm
+    
+  Scenario: User can view database schema as JSON
+    When User updates the nilm
+    Then GET /nilm/:id.json displays schema as JSON
+    
\ No newline at end of file

features/step_definitions/.rubocop.yml

+Style/RegexpLiteral:
+  EnforcedStyle: mixed
+  AllowInnerSlashes: true
\ No newline at end of file

features/step_definitions/load_db_schema_steps.rb

+# frozen_string_literal: true
+
+Given(/^a nilm$/) do
+  pending # Write code here that turns the phrase above into concrete actions
+end
+
+When(/^User updates the nilm$/) do
+  pending # Write code here that turns the phrase above into concrete actions
+end
+
+Then(/^GET \/nilm\/:id\.json displays schema as JSON$/) do
+  pending # Write code here that turns the phrase above into concrete actions
+end

features/support/env.rb

+# IMPORTANT: This file is generated by cucumber-rails - edit at your own peril.
+# It is recommended to regenerate this file in the future when you upgrade to a
+# newer version of cucumber-rails. Consider adding your own code to a new file
+# instead of editing this one. Cucumber will automatically load all features/**/*.rb
+# files.
+
+require 'cucumber/rails'
+
+# Capybara defaults to CSS3 selectors rather than XPath.
+# If you'd prefer to use XPath, just uncomment this line and adjust any
+# selectors in your step definitions to use the XPath syntax.
+# Capybara.default_selector = :xpath
+
+# By default, any exception happening in your Rails application will bubble up
+# to Cucumber so that your scenario will fail. This is a different from how
+# your application behaves in the production environment, where an error page will
+# be rendered instead.
+#
+# Sometimes we want to override this default behaviour and allow Rails to rescue
+# exceptions and display an error page (just like when the app is running in production).
+# Typical scenarios where you want to do this is when you test your error pages.
+# There are two ways to allow Rails to rescue exceptions:
+#
+# 1) Tag your scenario (or feature) with @allow-rescue
+#
+# 2) Set the value below to true. Beware that doing this globally is not
+# recommended as it will mask a lot of errors for you!
+#
+ActionController::Base.allow_rescue = false
+
+# Remove/comment out the lines below if your app doesn't have a database.
+# For some databases (like MongoDB and CouchDB) you may need to use :truncation instead.
+begin
+  DatabaseCleaner.strategy = :transaction
+rescue NameError
+  raise "You need to add database_cleaner to your Gemfile (in the :test group) if you wish to use it."
+end
+
+# You may also want to configure DatabaseCleaner to use different strategies for certain features and scenarios.
+# See the DatabaseCleaner documentation for details. Example:
+#
+#   Before('@no-txn,@selenium,@culerity,@celerity,@javascript') do
+#     # { :except => [:widgets] } may not do what you expect here
+#     # as Cucumber::Rails::Database.javascript_strategy overrides
+#     # this setting.
+#     DatabaseCleaner.strategy = :truncation
+#   end
+#
+#   Before('~@no-txn', '~@selenium', '~@culerity', '~@celerity', '~@javascript') do
+#     DatabaseCleaner.strategy = :transaction
+#   end
+#
+
+# Possible values are :truncation and :transaction
+# The :transaction strategy is faster, but might give you threading problems.
+# See https://github.com/cucumber/cucumber-rails/blob/master/features/choose_javascript_database_strategy.feature
+Cucumber::Rails::Database.javascript_strategy = :truncation
+

lib/tasks/cucumber.rake

+# IMPORTANT: This file is generated by cucumber-rails - edit at your own peril.
+# It is recommended to regenerate this file in the future when you upgrade to a
+# newer version of cucumber-rails. Consider adding your own code to a new file
+# instead of editing this one. Cucumber will automatically load all features/**/*.rb
+# files.
+
+
+unless ARGV.any? {|a| a =~ /^gems/} # Don't load anything when running the gems:* tasks
+
+vendored_cucumber_bin = Dir["#{Rails.root}/vendor/{gems,plugins}/cucumber*/bin/cucumber"].first
+$LOAD_PATH.unshift(File.dirname(vendored_cucumber_bin) + '/../lib') unless vendored_cucumber_bin.nil?
+
+begin
+  require 'cucumber/rake/task'
+
+  namespace :cucumber do
+    Cucumber::Rake::Task.new({:ok => 'test:prepare'}, 'Run features that should pass') do |t|
+      t.binary = vendored_cucumber_bin # If nil, the gem's binary is used.
+      t.fork = true # You may get faster startup if you set this to false
+      t.profile = 'default'
+    end
+
+    Cucumber::Rake::Task.new({:wip => 'test:prepare'}, 'Run features that are being worked on') do |t|
+      t.binary = vendored_cucumber_bin
+      t.fork = true # You may get faster startup if you set this to false
+      t.profile = 'wip'
+    end
+
+    Cucumber::Rake::Task.new({:rerun => 'test:prepare'}, 'Record failing features and run only them if any exist') do |t|
+      t.binary = vendored_cucumber_bin
+      t.fork = true # You may get faster startup if you set this to false
+      t.profile = 'rerun'
+    end
+
+    desc 'Run all features'
+    task :all => [:ok, :wip]
+
+    task :statsetup do
+      require 'rails/code_statistics'
+      ::STATS_DIRECTORIES << %w(Cucumber\ features features) if File.exist?('features')
+      ::CodeStatistics::TEST_TYPES << "Cucumber features" if File.exist?('features')
+    end
+
+    task :annotations_setup do
+      Rails.application.configure do
+        if config.respond_to?(:annotations)
+          config.annotations.directories << 'features'
+          config.annotations.register_extensions('feature') { |tag| /#\s*(#{tag}):?\s*(.*)$/ }
+        end
+      end
+    end
+  end
+  desc 'Alias for cucumber:ok'
+  task :cucumber => 'cucumber:ok'
+
+  task :default => :cucumber
+
+  task :features => :cucumber do
+    STDERR.puts "*** The 'features' task is deprecated. See rake -T cucumber ***"
+  end
+
+  # In case we don't have the generic Rails test:prepare hook, append a no-op task that we can depend upon.
+  task 'test:prepare' do
+  end
+
+  task :stats => 'cucumber:statsetup'
+
+  task :notes => 'cucumber:annotations_setup'
+rescue LoadError
+  desc 'cucumber rake task not available (cucumber not installed)'
+  task :cucumber do
+    abort 'Cucumber rake task is not available. Be sure to install cucumber as a gem or plugin'
+  end
+end
+
+end

script/cucumber

+#!/usr/bin/env ruby
+
+vendored_cucumber_bin = Dir["#{File.dirname(__FILE__)}/../vendor/{gems,plugins}/cucumber*/bin/cucumber"].first
+if vendored_cucumber_bin
+  load File.expand_path(vendored_cucumber_bin)
+else
+  require 'rubygems' unless ENV['NO_RUBYGEMS']
+  require 'cucumber'
+  load Cucumber::BINARY
+end

spec/adapters/db_adapter_spec.rb

@@ -6,6 +6,9 @@ describe DbAdapter do
   it 'retrieves basic schema', :vcr do
     db = double(url: 'http://archive.wattsworth.net/nilmdb')
     adapter = DbAdapter.new(db.url)
-    expect(adapter.schema).to include_json(error: true)
+    adapter.schema.map do |entry|
+      expect(entry).to include(:path, :type, :start_time,
+                               :end_time, :total_rows, :total_time)
+    end
   end
 end