149 lines
4.7 KiB
Ruby
149 lines
4.7 KiB
Ruby
require 'test/unit'
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$LOAD_PATH.unshift File.dirname(__FILE__) + '/../lib/active_support/'
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require 'core_ext/string'
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require 'dependencies'
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class DependenciesTest < Test::Unit::TestCase
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def teardown
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Dependencies.clear
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end
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def test_tracking_loaded_files
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require_dependency(File.dirname(__FILE__) + "/dependencies/service_one")
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require_dependency(File.dirname(__FILE__) + "/dependencies/service_two")
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assert_equal 2, Dependencies.loaded.size
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end
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def test_tracking_identical_loaded_files
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require_dependency(File.dirname(__FILE__) + "/dependencies/service_one")
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require_dependency(File.dirname(__FILE__) + "/dependencies/service_one")
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assert_equal 1, Dependencies.loaded.size
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end
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def test_missing_dependency_raises_missing_source_file
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assert_raises(MissingSourceFile) { require_dependency("missing_service") }
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end
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def test_missing_association_raises_nothing
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assert_nothing_raised { require_association("missing_model") }
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end
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def test_dependency_which_raises_exception_isnt_added_to_loaded_set
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old_mechanism, Dependencies.mechanism = Dependencies.mechanism, :load
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filename = "#{File.dirname(__FILE__)}/dependencies/raises_exception"
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$raises_exception_load_count = 0
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5.times do |count|
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assert_raises(RuntimeError) { require_dependency filename }
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assert_equal count + 1, $raises_exception_load_count
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assert !Dependencies.loaded.include?(filename)
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assert !Dependencies.history.include?(filename)
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end
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ensure
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Dependencies.mechanism = old_mechanism
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end
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def test_warnings_should_be_enabled_on_first_load
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old_mechanism, Dependencies.mechanism = Dependencies.mechanism, :load
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old_warnings, Dependencies.warnings_on_first_load = Dependencies.warnings_on_first_load, true
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filename = "#{File.dirname(__FILE__)}/dependencies/check_warnings"
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$check_warnings_load_count = 0
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assert !Dependencies.loaded.include?(filename)
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assert !Dependencies.history.include?(filename)
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silence_warnings { require_dependency filename }
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assert_equal 1, $check_warnings_load_count
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assert_equal true, $checked_verbose, 'On first load warnings should be enabled.'
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assert Dependencies.loaded.include?(filename)
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Dependencies.clear
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assert !Dependencies.loaded.include?(filename)
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assert Dependencies.history.include?(filename)
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silence_warnings { require_dependency filename }
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assert_equal 2, $check_warnings_load_count
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assert_equal nil, $checked_verbose, 'After first load warnings should be left alone.'
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assert Dependencies.loaded.include?(filename)
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Dependencies.clear
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assert !Dependencies.loaded.include?(filename)
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assert Dependencies.history.include?(filename)
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enable_warnings { require_dependency filename }
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assert_equal 3, $check_warnings_load_count
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assert_equal true, $checked_verbose, 'After first load warnings should be left alone.'
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assert Dependencies.loaded.include?(filename)
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ensure
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Dependencies.mechanism = old_mechanism
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Dependencies.warnings_on_first_load = old_warnings
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end
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def test_mutual_dependencies_dont_infinite_loop
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$LOAD_PATH.unshift "#{File.dirname(__FILE__)}/dependencies"
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old_mechanism, Dependencies.mechanism = Dependencies.mechanism, :load
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$mutual_dependencies_count = 0
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assert_nothing_raised { require_dependency 'mutual_one' }
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assert_equal 2, $mutual_dependencies_count
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Dependencies.clear
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$mutual_dependencies_count = 0
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assert_nothing_raised { require_dependency 'mutual_two' }
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assert_equal 2, $mutual_dependencies_count
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ensure
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$LOAD_PATH.shift
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Dependencies.mechanism = old_mechanism
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end
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def test_as_load_path
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assert_equal '', DependenciesTest.as_load_path
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end
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def test_module_loading
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begin
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$LOAD_PATH.unshift "#{File.dirname(__FILE__)}/autoloading_fixtures"
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old_mechanism, Dependencies.mechanism = Dependencies.mechanism, :load
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assert_kind_of Module, A
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assert_kind_of Class, A::B
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assert_kind_of Class, A::C::D
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assert_kind_of Class, A::C::E::F
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ensure
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$LOAD_PATH.shift
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Dependencies.mechanism = old_mechanism
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end
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end
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def test_non_existing_cost_raises_nameerrror
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begin
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$LOAD_PATH.unshift "#{File.dirname(__FILE__)}/autoloading_fixtures"
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old_mechanism, Dependencies.mechanism = Dependencies.mechanism, :load
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assert_raises(NameError) do
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DoesNotExist
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end
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assert_raises(NameError) do
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NoModule::DoesNotExist
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end
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assert_raises(NameError) do
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A::DoesNotExist
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end
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assert_raises(NameError) do
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A::B::DoesNotExist
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end
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ensure
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$LOAD_PATH.shift
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Dependencies.mechanism = old_mechanism
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end
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end
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end
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