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rails--rails/railties/test/commands/runner_test.rb

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# frozen_string_literal: true
require "isolation/abstract_unit"
require "rails/command"
require "rails/commands/runner/runner_command"
class Rails::RunnerTest < ActiveSupport::TestCase
include ActiveSupport::Testing::Isolation
setup :build_app
teardown :teardown_app
def test_rails_runner_with_stdin
command_output = `echo "puts 'Hello world'" | #{app_path}/bin/rails runner -`
assert_equal <<~OUTPUT, command_output
Hello world
OUTPUT
end
def test_rails_runner_with_file
# We intentionally define a file with a name that matches the one of the
# script that we want to run to ensure that runner executes the latter one.
app_file "lib/foo.rb", "# Lib file"
app_file "foo.rb", <<-RUBY
puts "Hello world"
RUBY
assert_equal <<~OUTPUT, run_runner_command("foo.rb")
Hello world
OUTPUT
end
def test_rails_runner_with_ruby_code
assert_equal <<~OUTPUT, run_runner_command('puts "Hello world"')
Hello world
OUTPUT
end
def test_rails_runner_with_syntax_error_in_ruby_code
command_output = run_runner_command("This is not ruby code", allow_failure: true)
assert_match(/Please specify a valid ruby command/, command_output)
assert_equal 1, $?.exitstatus
end
def test_rails_runner_with_name_error_in_ruby_code
assert_raise(NameError) { IDoNotExist }
command_output = run_runner_command("IDoNotExist.new", allow_failure: true)
assert_match(/Please specify a valid ruby command/, command_output)
assert_equal 1, $?.exitstatus
end
private
def run_runner_command(argument, allow_failure: false)
rails "runner", argument, allow_failure: allow_failure
end
end