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require 'spec_helper'
require 'rails/generators'
require 'rails/generators/migration'
require 'generators/data_migration/data_migration_generator'
describe DataMigrate::Generators::DataMigrationGenerator do
let(:subject) { DataMigrate::Generators::DataMigrationGenerator }
describe :next_migration_number do
it "next migration" do
Timecop.freeze("2016-12-03 22:15:26 -0800") do
expect(ActiveRecord::Base).to receive(:timestamped_migrations) { true }
expect(subject.next_migration_number(1)).to eq("20161204061526")
end
end
end
describe :migration_base_class_name do
let(:subject) { DataMigrate::Generators::DataMigrationGenerator.new(['my_migration']) }
it "returns the correct base class name" do
if ActiveRecord.version >= Gem::Version.new('5.0')
expect(subject.send(:migration_base_class_name)).to eq("ActiveRecord::Migration[#{ActiveRecord::Migration.current_version}]")
else
expect(subject.send(:migration_base_class_name)).to eq('ActiveRecord::Migration')
end
end
end
describe :create_data_migration do
let(:subject) { DataMigrate::Generators::DataMigrationGenerator.new(['my_migration']) }
let(:data_migrations_file_path) { 'abc/my_migration.rb' }
context 'when custom data migrations path has a trailing slash' do
before do
DataMigrate.config.data_migrations_path = 'abc/'
end
it 'returns correct file path' do
expect(subject).to receive(:migration_template).with(
'data_migration.rb', data_migrations_file_path
)
subject.create_data_migration
end
end
context 'when custom data migrations path does not have a trailing slash' do
before do
DataMigrate.config.data_migrations_path = 'abc'
end
it 'returns correct file path' do
expect(subject).to receive(:migration_template).with(
'data_migration.rb', data_migrations_file_path
)
subject.create_data_migration
end
end
end
end
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