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rails--rails/railties/test/generators_test.rb
Michael Grosser a9aed2ac94
improve error message when include assertions fail
assert [1, 3].includes?(2) fails with unhelpful "Asserting failed" message

assert_includes [1, 3], 2 fails with "Expected [1, 3] to include 2" which makes it easier to debug and more obvious what went wrong
2016-09-16 12:03:37 -07:00

246 lines
8.3 KiB
Ruby

require "generators/generators_test_helper"
require "rails/generators/rails/model/model_generator"
require "rails/generators/test_unit/model/model_generator"
class GeneratorsTest < Rails::Generators::TestCase
include GeneratorsTestHelper
def setup
@path = File.expand_path("lib", Rails.root)
$LOAD_PATH.unshift(@path)
end
def teardown
$LOAD_PATH.delete(@path)
end
def test_simple_invoke
assert File.exist?(File.join(@path, "generators", "model_generator.rb"))
assert_called_with(TestUnit::Generators::ModelGenerator, :start, [["Account"], {}]) do
Rails::Generators.invoke("test_unit:model", ["Account"])
end
end
def test_invoke_when_generator_is_not_found
name = :unknown
output = capture(:stdout) { Rails::Generators.invoke name }
assert_match "Could not find generator '#{name}'", output
assert_match "`rails generate --help`", output
end
def test_generator_suggestions
name = :migrationz
output = capture(:stdout) { Rails::Generators.invoke name }
assert_match "Maybe you meant 'migration'", output
end
def test_generator_multiple_suggestions
name = :tas
output = capture(:stdout) { Rails::Generators.invoke name }
assert_match "Maybe you meant 'task', 'job' or", output
end
def test_help_when_a_generator_with_required_arguments_is_invoked_without_arguments
output = capture(:stdout) { Rails::Generators.invoke :model, [] }
assert_match(/Description:/, output)
end
def test_should_give_higher_preference_to_rails_generators
assert File.exist?(File.join(@path, "generators", "model_generator.rb"))
assert_called_with(Rails::Generators::ModelGenerator, :start, [["Account"], {}]) do
warnings = capture(:stderr) { Rails::Generators.invoke :model, ["Account"] }
assert warnings.empty?
end
end
def test_invoke_with_default_values
assert_called_with(Rails::Generators::ModelGenerator, :start, [["Account"], {}]) do
Rails::Generators.invoke :model, ["Account"]
end
end
def test_invoke_with_config_values
assert_called_with(Rails::Generators::ModelGenerator, :start, [["Account"], behavior: :skip]) do
Rails::Generators.invoke :model, ["Account"], behavior: :skip
end
end
def test_find_by_namespace
klass = Rails::Generators.find_by_namespace("rails:model")
assert klass
assert_equal "rails:model", klass.namespace
end
def test_find_by_namespace_with_base
klass = Rails::Generators.find_by_namespace(:model, :rails)
assert klass
assert_equal "rails:model", klass.namespace
end
def test_find_by_namespace_with_context
klass = Rails::Generators.find_by_namespace(:test_unit, nil, :model)
assert klass
assert_equal "test_unit:model", klass.namespace
end
def test_find_by_namespace_with_generator_on_root
klass = Rails::Generators.find_by_namespace(:fixjour)
assert klass
assert_equal "fixjour", klass.namespace
end
def test_find_by_namespace_in_subfolder
klass = Rails::Generators.find_by_namespace(:fixjour, :active_record)
assert klass
assert_equal "active_record:fixjour", klass.namespace
end
def test_find_by_namespace_with_duplicated_name
klass = Rails::Generators.find_by_namespace(:foobar)
assert klass
assert_equal "foobar:foobar", klass.namespace
end
def test_find_by_namespace_without_base_or_context_looks_into_rails_namespace
assert Rails::Generators.find_by_namespace(:model)
end
def test_invoke_with_nested_namespaces
model_generator = Minitest::Mock.new
model_generator.expect(:start, nil, [["Account"], {}])
assert_called_with(Rails::Generators, :find_by_namespace, ["namespace", "my:awesome"], returns: model_generator) do
Rails::Generators.invoke "my:awesome:namespace", ["Account"]
end
model_generator.verify
end
def test_rails_generators_help_with_builtin_information
output = capture(:stdout) { Rails::Generators.help }
assert_match(/Rails:/, output)
assert_match(/^ model$/, output)
assert_match(/^ scaffold_controller$/, output)
assert_no_match(/^ app$/, output)
end
def test_rails_generators_help_does_not_include_app_nor_plugin_new
output = capture(:stdout) { Rails::Generators.help }
assert_no_match(/app/, output)
assert_no_match(/[^:]plugin/, output)
end
def test_rails_generators_with_others_information
output = capture(:stdout) { Rails::Generators.help }
assert_match(/Fixjour:/, output)
assert_match(/^ fixjour$/, output)
end
def test_rails_generators_does_not_show_active_record_hooks
output = capture(:stdout) { Rails::Generators.help }
assert_match(/ActiveRecord:/, output)
assert_match(/^ active_record:fixjour$/, output)
end
def test_default_banner_should_show_generator_namespace
klass = Rails::Generators.find_by_namespace(:foobar)
assert_match(/^rails generate foobar:foobar/, klass.banner)
end
def test_default_banner_should_not_show_rails_generator_namespace
klass = Rails::Generators.find_by_namespace(:model)
assert_match(/^rails generate model/, klass.banner)
end
def test_no_color_sets_proper_shell
Rails::Generators.no_color!
assert_equal Thor::Shell::Basic, Thor::Base.shell
ensure
Thor::Base.shell = Thor::Shell::Color
end
def test_fallbacks_for_generators_on_find_by_namespace
Rails::Generators.fallbacks[:remarkable] = :test_unit
klass = Rails::Generators.find_by_namespace(:plugin, :remarkable)
assert klass
assert_equal "test_unit:plugin", klass.namespace
ensure
Rails::Generators.fallbacks.delete(:remarkable)
end
def test_fallbacks_for_generators_on_find_by_namespace_with_context
Rails::Generators.fallbacks[:remarkable] = :test_unit
klass = Rails::Generators.find_by_namespace(:remarkable, :rails, :plugin)
assert klass
assert_equal "test_unit:plugin", klass.namespace
ensure
Rails::Generators.fallbacks.delete(:remarkable)
end
def test_fallbacks_for_generators_on_invoke
Rails::Generators.fallbacks[:shoulda] = :test_unit
assert_called_with(TestUnit::Generators::ModelGenerator, :start, [["Account"], {}]) do
Rails::Generators.invoke "shoulda:model", ["Account"]
end
ensure
Rails::Generators.fallbacks.delete(:shoulda)
end
def test_nested_fallbacks_for_generators
Rails::Generators.fallbacks[:shoulda] = :test_unit
Rails::Generators.fallbacks[:super_shoulda] = :shoulda
assert_called_with(TestUnit::Generators::ModelGenerator, :start, [["Account"], {}]) do
Rails::Generators.invoke "super_shoulda:model", ["Account"]
end
ensure
Rails::Generators.fallbacks.delete(:shoulda)
Rails::Generators.fallbacks.delete(:super_shoulda)
end
def test_developer_options_are_overwritten_by_user_options
Rails::Generators.options[:with_options] = { generate: false }
self.class.class_eval(<<-end_eval, __FILE__, __LINE__ + 1)
class WithOptionsGenerator < Rails::Generators::Base
class_option :generate, :default => true
end
end_eval
assert_equal false, WithOptionsGenerator.class_options[:generate].default
ensure
Rails::Generators.subclasses.delete(WithOptionsGenerator)
end
def test_rails_root_templates
template = File.join(Rails.root, "lib", "templates", "active_record", "model", "model.rb")
# Create template
mkdir_p(File.dirname(template))
File.open(template, "w") { |f| f.write "empty" }
capture(:stdout) do
Rails::Generators.invoke :model, ["user"], destination_root: destination_root
end
assert_file "app/models/user.rb" do |content|
assert_equal "empty", content
end
ensure
rm_rf File.dirname(template)
end
def test_source_paths_for_not_namespaced_generators
mspec = Rails::Generators.find_by_namespace :fixjour
assert_includes mspec.source_paths, File.join(Rails.root, "lib", "templates", "fixjour")
end
def test_usage_with_embedded_ruby
require File.expand_path("fixtures/lib/generators/usage_template/usage_template_generator", File.dirname(__FILE__))
output = capture(:stdout) { Rails::Generators.invoke :usage_template, ["--help"] }
assert_match(/:: 2 ::/, output)
end
def test_hide_namespace
assert_not_includes Rails::Generators.hidden_namespaces, "special:namespace"
Rails::Generators.hide_namespace("special:namespace")
assert_includes Rails::Generators.hidden_namespaces, "special:namespace"
end
end