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require "test_helper"
require "tempfile"
class TestFrameworkDetectionTest < PARENT_TEST_CASE
if Tests::CurrentBundle.instance.current_appraisal == "rails_5_2"
should "detect Minitest 5.x w/ Rails 5.2" do
assert_integration_with_rails_and "Minitest::Test"
end
end
if Tests::CurrentBundle.instance.current_appraisal == "rails_5_1"
should "detect Minitest 5.x w/ Rails 5.1" do
assert_integration_with_rails_and "Minitest::Test"
end
end
if Tests::CurrentBundle.instance.current_appraisal == "rails_5_0"
should "detect Minitest 5.x w/ Rails 5.0" do
assert_integration_with_rails_and "Minitest::Test"
end
end
if Tests::CurrentBundle.instance.current_appraisal == "rails_4_2"
should "detect ActiveSupport::TestCase and Minitest 4.x w/ Rails 4.2" do
assert_integration_with_rails_and "Minitest::Test"
end
end
if TEST_FRAMEWORK == "minitest"
should "detect Minitest 5.x when it is loaded standalone" do
assert_integration_with "Minitest::Test", setup: <<-RUBY
require "minitest/autorun"
RUBY
end
end
if TEST_FRAMEWORK == "test_unit"
should "detect the test-unit gem when it is loaded standalone" do
assert_integration_with "Test::Unit::TestCase",
setup: <<-RUBY
require "test/unit"
RUBY
end
end
def assert_integration_with_rails_and(*test_cases)
test_cases = ["ActiveSupport::TestCase"] | test_cases
options = test_cases.last.is_a?(Hash) ? test_cases.pop : {}
options[:setup] = <<-RUBY
require "rails/all"
require "rails/test_help"
ActiveRecord::Base.establish_connection(
adapter: "sqlite3",
database: ":memory:"
)
RUBY
args = test_cases + [options]
assert_integration_with(*args)
end
def assert_integration_with(*test_cases)
assert_test_cases_are_detected(*test_cases)
assert_our_api_is_available_in_test_cases(*test_cases)
end
def assert_test_cases_are_detected(*expected_test_cases)
options = expected_test_cases.last.is_a?(Hash) ? expected_test_cases.pop : {}
setup = options[:setup] || ""
output = execute(file_that_detects_test_framework_test_cases([setup]))
actual_test_cases = output.split("\n").first.split(", ")
assert_equal expected_test_cases, actual_test_cases
end
def file_that_detects_test_framework_test_cases(mixins)
<<-RUBY
#{require_gems(mixins)}
require "yaml"
test_cases =
Shoulda::Context.test_framework_test_cases.map do |test_case|
test_case.to_s
end
puts test_cases.join(', ')
RUBY
end
def require_gems(mixins)
<<-RUBY
ENV["BUNDLE_GEMFILE"] =
"#{PROJECT_DIR}/gemfiles/" +
"#{Tests::CurrentBundle.instance.current_appraisal}.gemfile"
require "bundler"
Bundler.setup
#{mixins.join("\n")}
require "shoulda-context"
RUBY
end
def assert_our_api_is_available_in_test_cases(*test_cases)
options = test_cases.last.is_a?(Hash) ? test_cases.pop : {}
setup = options[:setup] || ""
test_cases.each do |test_case|
output = execute(
file_that_runs_a_test_within_test_case(test_case, [setup])
)
assert_match(/1 (tests|runs)/, output)
assert_match(/1 assertions/, output)
assert_match(/0 failures/, output)
assert_match(/0 errors/, output)
end
end
def file_that_runs_a_test_within_test_case(test_case, mixins)
<<-RUBY
#{require_gems(mixins)}
class FrameworkIntegrationTest < #{test_case}
context "a context" do
should "have a test" do
assert_equal true, true
end
end
end
RUBY
end
def execute(code)
tempfile = Tempfile.new("shoulda-context-test")
tempfile.write(code)
tempfile.close
if ENV["DEBUG"]
puts "Code:"
puts code
end
output = `RUBYOPT="" ruby #{tempfile.path} 2>/dev/null`
if ENV["DEBUG"]
puts "Output:"
puts output
end
output
end
end
|
