I have a module in rails project on app/lib/md.rb and I want to import and use it in a rake task outside of application scope under lib/task directory. the app and lib folders are in same directory, in the other work it's like below:
- app
- lib
- md.rb
- lib
- task
my module is just couple of class and my rake task is like below:
include Md
task :import_product do
puts ''
puts '=================='
puts 'Started Fetching Products'
puts '=================='
...
end
This might be a possible duplicate, but nevertheless
task :import_product do
require File.join(Rails.root, 'app', 'lib', 'md.rb')
Md.hurray
puts ''
puts '=================='
puts 'Started Fetching Products'
puts '=================='
end
If you have more than one file to load from app/ folder its better to load with the environment in your rake task.
task import_product: :environment do
...
...
...
end
Hope it helps!
Related
How do you include tests that are in a lib folder in your rake tasks?
For example, you have a foo library you are building in the /lib/foo directory of your Rails project and would like to keep all of your foo tests in the lib/foo/tests directory.
It took me a while to consolidate from all the different sources, so I wanted to post here for anyone looking!
This imports the rake file from my lib/foo/test directory:
# Rakefile:
Dir.glob('lib/foo/tasks/*.rake').each { |r| load r}
This adds the test:foo_tests task to my rake tasks:
# lib/foo/tasks/test.rake
require "rake/testtask"
namespace :test do
Rake::TestTask.new(foo_tests: 'test:prepare') do |t|
t.pattern = 'lib/foo/test/**/*_test.rb'
end
end
I hope this helps someone else!
I have folder db/seeds, which include about 20 files with default values for project.
Provide me correct setting for running command rake db:seed for load all this files.
Create one file at lib/tasks/. give name main_seed_file.rake to the new file. paste below code into main_seed_file.rake.
desc "Run all files in db/seeds directory"
namespace :db do
task seeds: :environment do
Dir[File.join(Rails.root, 'db', 'seeds', '*.rb')].each do |filename|
puts "seeding - #{filename}"
load(filename)
end
end
end
Now execute this rake db:seeds
Cheers!
I want to populate a new feature with dummy data, but don't want to use the db/seeds.rb file as it already has seeds other data irrelevant for this feature.
To run the default seeds.rb file, you run the command rake db:seed.
If I create a file in the db directory called seeds_feature_x.rb, what would the rake command look like to run (only) that file?
Start by creating a separate directory to hold your custom seeds – this example uses db/seeds. Then, create a custom task by adding a rakefile to your lib/tasks directory:
# lib/tasks/custom_seed.rake
namespace :db do
namespace :seed do
Dir[Rails.root.join('db', 'seeds', '*.rb')].each do |filename|
task_name = File.basename(filename, '.rb')
desc "Seed " + task_name + ", based on the file with the same name in `db/seeds/*.rb`"
task task_name.to_sym => :environment do
load(filename) if File.exist?(filename)
end
end
end
end
This rakefile accepts the name of a seed file in the db/seeds directory (excluding the .rb extension), then runs it as it would run seeds.rb. You can execute the rake task by issuing the following from the command line:
rake db:seed:file_name # Name of the file EXCLUDING the .rb extension
Update: Now it should also list the seed tasks when running rake --tasks or rake -T.
I tried out zeantsoi's answer but it didn't give me what I wanted, it did all files in a directory. Hacked away at it and got this.
namespace :db do
namespace :seed do
task :single => :environment do
filename = Dir[File.join(Rails.root, 'db', 'seeds', "#{ENV['SEED']}.seeds.rb")][0]
puts "Seeding #{filename}..."
load(filename) if File.exist?(filename)
end
end
end
And to use this do the following:
rake db:seed:single SEED=<seed_name_without_.seeds.rb>
This will look in the Rails.root/db/seeds folder for a file name without the .seeds.rb (it adds those for you).
Working example:
rake db:seed:single SEED=my_custom_seed
The above would seed the Rails.root/db/seeds/my_custom_seed.seeds.rb file
Too complicated!
I just wanted a simple task to execute every file under db/seeds directory without passing in any file names.
# lib/tasks/seed.rake
desc "Run all files in db/seeds directory"
namespace :db do
task seed: :environment do
Dir[File.join(Rails.root, 'db', 'seeds', '*.rb')].each do |filename|
puts "seeding - #{filename}. for reals, yo!"
load(filename)
end
end
end
In our rails 3.2.12 app, there is a rake task created under lib/tasks. The rake task needs to call a method find_config() which resides in another rails module authentify (module is not under /lib/). Can we include Authentify in rake task and make method find_config() available to call in the rake task?
Here is what we would like to do in the rake task:
include Authentify
config = Authentify::find_config()
Thanks for comments.
require 'modules/module_name'
include ModuleName
namespace :rake_name do
desc "description of rake task"
task example_task: :environment do
result = ModuleName::method_name()
end #end task
end
This works for me. Since your Module is not in /lib you might have to edit how it is required. But it should work. Hope it helps.
PLEASE PAY ATTENTION TO THIS AND SAVE SOME RANDOM HEADACHES!! .
Don't include your module before your namespace:
include YourModule
namespace :your_name do
desc 'Foo'
task foo: :environment do
end
end
or inside your namespace:
namespace :your_name do
include YourModule
desc 'Foo'
task foo: :environment do
end
end
as that will include your module for the whole app and it could bring you a lot of troubles (like me adding in the module some :attr_accessors and breaking factory-bot functioning or other things it has happened in the past for this same reason).
The "no issues" way is inside of your task's scope:
namespace :your_name do
desc 'Foo'
task foo: :environment do
include YourModule
end
end
And yes, if you have multiple tasks, you should include in each of them:
namespace :your_name do
desc 'Foo'
task foo: :environment do
include YourModule
end
desc 'Bar'
task bar: :environment do
include YourModule
end
end
or simply call your method directly if you're only calling a method once in the task:
namespace :your_name do
desc 'Foo'
task foo: :environment do
YourModule.your_method
end
desc 'Bar'
task bar: :environment do
YourModule.your_method
end
end
How to require a Rails service/module in a Rake task?
I had the same problem and manage to solve it by requiring the rails files inside the rake task.
I had a rake task named give_something defined in the file lib/tasks/a_task.rake.
Within that task I needed to call the function give_something from the module AService which lives in the file app/services/a_service.rb
The rake task was defined as follows:
namespace :a_namespace do
desc "give something to a list of users"
task give_something: :environment do
AService.give_something(something, users)
end
end
I was getting the error: uninitialized constant AService
To solve it I had to require the module not at the beginning of the file a_task.rake, but inside the rake task:
namespace :a_namespace do
desc "give something to a list of users"
task give_something: :environment do
require 'services/a_service' # <-- HERE!
AService.give_something(something, users)
end
end
In rails 5.x.x we can do as-
Module file exist her app/lib/module/sub_module.rb like-
module Module
module SubModule
def self.method(params1, params2)
// code goes here...
end
end
end
and my rake_task presented here /lib/tasks/my_tasks.rake as-
namespace :my_tasks do
desc "TODO"
task :task_name => :environment do
Module::SubModule.my_method(params1, params2)
end
end
Note:- the above task file presented in outer lib not in app/lib
Now run the task using following command-
rake my_tasks:task_name
from app directory not from rails console
That worked for me !!!
I'm trying to test a rake task and it uses an active record in it.
require 'spec_helper'
require 'rake'
load File.join(Rails.root, 'lib', 'tasks', 'survey.rake')
describe "survey rake tasks" do
describe "survey:send_report" do
it "should send a report" do
Rake::Task['survey:send_report'].invoke
end
end
end
When I run this spec rspec spec/lib/survey_spec.rb, I get this error "
RuntimeError:
Don't know how to build task 'environment'
How do I load the :enviroment task inside by example spec?
I think you should first load the tasks:
require 'rake'
MyRailsApp::Application.load_tasks
and then invoke your task:
Rake::Task['survey:send_report'].invoke
I suspect the problem is that your survey:send_report task depends on :environment but you haven't loaded the file that defines the :environment task. That'll be in rails somewhere, and your main Rakefile loads it.
So, I think if you change
load File.join(Rails.root, 'lib', 'tasks', 'survey.rake')
to
load File.join(Rails.root, 'Rakefile')
it'll work.
Sounds like your take task may need the Rails environment to be loaded. You can stub this out by adding this line to your before(:all) hook:
Rake::Task.define_task(:environment)
Is your task adding the :enviroment to do it before? In your .rake file you should have something like this:
namespace :survey do
# ...
task :send_report => :enviroment do
# ... stuff
end
This is because you need to load the full enviroment to do that task. You can check this railcast to get more information http://railscasts.com/episodes/66-custom-rake-tasks