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-rw-r--r--railties/test/application/rake/dbs_test.rb181
1 files changed, 181 insertions, 0 deletions
diff --git a/railties/test/application/rake/dbs_test.rb b/railties/test/application/rake/dbs_test.rb
new file mode 100644
index 0000000000..52c07cee9f
--- /dev/null
+++ b/railties/test/application/rake/dbs_test.rb
@@ -0,0 +1,181 @@
+require "isolation/abstract_unit"
+
+module ApplicationTests
+ module RakeTests
+ class RakeDbsTest < ActiveSupport::TestCase
+ include ActiveSupport::Testing::Isolation
+
+ def setup
+ build_app
+ boot_rails
+ FileUtils.rm_rf("#{app_path}/config/environments")
+ end
+
+ def teardown
+ teardown_app
+ end
+
+ def database_url_db_name
+ "db/database_url_db.sqlite3"
+ end
+
+ def set_database_url
+ ENV['DATABASE_URL'] = "sqlite3://:@localhost/#{database_url_db_name}"
+ end
+
+ def expected
+ @expected ||= {}
+ end
+
+ def db_create_and_drop
+ Dir.chdir(app_path) do
+ output = `bundle exec rake db:create`
+ assert_equal output, ""
+ assert File.exists?(expected[:database])
+ assert_equal expected[:database],
+ ActiveRecord::Base.connection_config[:database]
+ output = `bundle exec rake db:drop`
+ assert_equal output, ""
+ assert !File.exists?(expected[:database])
+ end
+ end
+
+ test 'db:create and db:drop without database url' do
+ require "#{app_path}/config/environment"
+ expected[:database] = ActiveRecord::Base.configurations[Rails.env]['database']
+ db_create_and_drop
+ end
+
+ test 'db:create and db:drop with database url' do
+ require "#{app_path}/config/environment"
+ set_database_url
+ expected[:database] = database_url_db_name
+ db_create_and_drop
+ end
+
+ def db_migrate_and_status
+ Dir.chdir(app_path) do
+ `rails generate model book title:string`
+ `bundle exec rake db:migrate`
+ output = `bundle exec rake db:migrate:status`
+ assert_match(/database:\s+\S+#{expected[:database]}/, output)
+ assert_match(/up\s+\d{14}\s+Create books/, output)
+ end
+ end
+
+ test 'db:migrate and db:migrate:status without database_url' do
+ require "#{app_path}/config/environment"
+ expected[:database] = ActiveRecord::Base.configurations[Rails.env]['database']
+ db_migrate_and_status
+ end
+
+ test 'db:migrate and db:migrate:status with database_url' do
+ require "#{app_path}/config/environment"
+ set_database_url
+ expected[:database] = database_url_db_name
+ db_migrate_and_status
+ end
+
+ def db_schema_dump
+ Dir.chdir(app_path) do
+ `rails generate model book title:string`
+ `rake db:migrate`
+ `rake db:schema:dump`
+ schema_dump = File.read("db/schema.rb")
+ assert_match(/create_table \"books\"/, schema_dump)
+ end
+ end
+
+ test 'db:schema:dump without database_url' do
+ db_schema_dump
+ end
+
+ test 'db:schema:dump with database_url' do
+ set_database_url
+ db_schema_dump
+ end
+
+ def db_fixtures_load
+ Dir.chdir(app_path) do
+ `rails generate model book title:string`
+ `bundle exec rake db:migrate`
+ `bundle exec rake db:fixtures:load`
+ assert_match /#{expected[:database]}/,
+ ActiveRecord::Base.connection_config[:database]
+ require "#{app_path}/app/models/book"
+ assert_equal 2, Book.count
+ end
+ end
+
+ test 'db:fixtures:load without database_url' do
+ require "#{app_path}/config/environment"
+ expected[:database] = ActiveRecord::Base.configurations[Rails.env]['database']
+ db_fixtures_load
+ end
+
+ test 'db:fixtures:load with database_url' do
+ require "#{app_path}/config/environment"
+ set_database_url
+ expected[:database] = database_url_db_name
+ db_fixtures_load
+ end
+
+ def db_structure_dump_and_load
+ Dir.chdir(app_path) do
+ `rails generate model book title:string`
+ `bundle exec rake db:migrate`
+ `bundle exec rake db:structure:dump`
+ structure_dump = File.read("db/structure.sql")
+ assert_match(/CREATE TABLE \"books\"/, structure_dump)
+ `bundle exec rake db:drop`
+ `bundle exec rake db:structure:load`
+ assert_match /#{expected[:database]}/,
+ ActiveRecord::Base.connection_config[:database]
+ require "#{app_path}/app/models/book"
+ #if structure is not loaded correctly, exception would be raised
+ assert Book.count, 0
+ end
+ end
+
+ test 'db:structure:dump and db:structure:load without database_url' do
+ require "#{app_path}/config/environment"
+ expected[:database] = ActiveRecord::Base.configurations[Rails.env]['database']
+ db_structure_dump_and_load
+ end
+
+ test 'db:structure:dump and db:structure:load with database_url' do
+ require "#{app_path}/config/environment"
+ set_database_url
+ expected[:database] = database_url_db_name
+ db_structure_dump_and_load
+ end
+
+ def db_test_load_structure
+ Dir.chdir(app_path) do
+ `rails generate model book title:string`
+ `bundle exec rake db:migrate`
+ `bundle exec rake db:structure:dump`
+ `bundle exec rake db:test:load_structure`
+ ActiveRecord::Base.configurations = Rails.application.config.database_configuration
+ ActiveRecord::Base.establish_connection 'test'
+ require "#{app_path}/app/models/book"
+ #if structure is not loaded correctly, exception would be raised
+ assert Book.count, 0
+ assert_match /#{ActiveRecord::Base.configurations['test']['database']}/,
+ ActiveRecord::Base.connection_config[:database]
+ end
+ end
+
+ test 'db:test:load_structure without database_url' do
+ require "#{app_path}/config/environment"
+ db_test_load_structure
+ end
+
+ test 'db:test:load_structure with database_url' do
+ require "#{app_path}/config/environment"
+ set_database_url
+ db_test_load_structure
+ end
+ end
+ end
+end \ No newline at end of file