require 'test/unit' require 'test/unit/collector/dir' require 'pp' module Test module Unit module Collector class TestDir < TestCase class FileSystem class Directory def initialize(name, fs, parent=self, &block) @name = name @fs = fs @parent = parent @contents = {'.' => self, '..' => parent} instance_eval(&block) if(block) end def file(name, contents) @contents[name] = contents end def dir(name, &block) @contents[name] = self.class.new(name, @fs, self, &block) end def entries @contents.keys end def directory?(name) return true if(name.nil? || name.empty?) return false unless(@contents.include?(name)) @contents[name].kind_of?(self.class) end def file?(name) return false unless(@contents.include?(name)) !directory?(name) end def exist?(name) @contents.include?(name) end def [](name) raise Errno::ENOENT, name unless(@contents.include?(name)) @contents[name] end def path_to(name=nil) if(!name) @parent.path_to(@name) elsif(@parent == self) @fs.join('/', name) else @fs.join(@parent.path_to(@name), name) end end end class ObjectSpace def initialize @objects = [] end def each_object(klass, &block) @objects.find_all{|o| o.kind_of?(klass)}.each(&block) end def <<(object) @objects << object end end attr_reader :object_space def initialize(&block) @root = Directory.new('/', self, &block) @pwd = @root @object_space = ObjectSpace.new @required = [] end def entries(dir) e = find(dir) require_directory(dir) e.entries end def directory?(name) e = find(dirname(name)) return false unless(e) e.directory?(basename(name)) end def find(path) if(/\A\// =~ path) path = path.sub(/\A\//, '') thing = @root else thing = @pwd end split(path).each do |e| break thing = false unless(thing.kind_of?(Directory)) thing = thing[e] end thing end def dirname(name) join(*split(name)[0..-2]) end def basename(name) split(name)[-1] end def split(name) name.split('/') end def join(*parts) parts.join('/').gsub(%r{/+}, '/') end def file?(name) e = find(dirname(name)) return false unless(e) e.file?(basename(name)) end def pwd @pwd.path_to end def chdir(to) e = find(to) require_directory(to) @pwd = e end def require_directory(path) raise Errno::ENOTDIR, path unless(directory?(path)) end def require(file) return false if(@required.include?(file)) begin e = find(file) rescue Errno::ENOENT => ex if(/\.rb\Z/ =~ file) raise LoadError, file end e = find(file + '.rb') end @required << file @object_space << e true rescue Errno::ENOENT raise LoadError, file end end def test_dir inner_dir = nil dir = FileSystem::Directory.new('/', nil) do file 'a', nil inner_dir = dir 'b' end assert_equal(inner_dir, dir['b']) end def test_fs fs = FileSystem.new do file 'a', nil dir 'b' end assert_equal(['.', '..', 'a', 'b'].sort, fs.entries('/').sort) assert(fs.directory?('/')) assert(!fs.directory?('/a')) assert(!fs.directory?('/bogus')) assert(fs.file?('/a')) assert(!fs.file?('/')) assert(!fs.file?('/bogus')) assert(fs.directory?('/b')) assert(fs.file?('a')) assert(fs.directory?('b')) end def test_fs_sub fs = FileSystem.new do dir 'a' do file 'b', nil dir 'c' do file 'd', nil end end end assert(fs.file?('/a/b')) assert(!fs.file?('/a/b/c/d')) assert(fs.file?('/a/c/d')) end def test_fs_pwd fs = FileSystem.new do file 'a', nil dir 'b' do file 'c', nil dir 'd' do file 'e', nil end end end assert_equal('/', fs.pwd) assert_raise(Errno::ENOENT) do fs.chdir('bogus') end assert_raise(Errno::ENOTDIR) do fs.chdir('a') end fs.chdir('b') assert_equal('/b', fs.pwd) fs.chdir('d') assert_equal('/b/d', fs.pwd) fs.chdir('..') assert_equal('/b', fs.pwd) fs.chdir('..') assert_equal('/', fs.pwd) end def test_fs_entries fs = FileSystem.new do file 'a', nil dir 'b' do file 'c', nil file 'd', nil end file 'e', nil dir 'f' do file 'g', nil dir 'h' do file 'i', nil end end end assert_equal(['.', '..', 'a', 'b', 'e', 'f'], fs.entries('/').sort) assert_equal(['.', '..', 'a', 'b', 'e', 'f'], fs.entries('.').sort) assert_equal(['.', '..', 'a', 'b', 'e', 'f'], fs.entries('b/..').sort) assert_equal(['.', '..', 'c', 'd'], fs.entries('b').sort) assert_raise(Errno::ENOENT) do fs.entries('z') end assert_raise(Errno::ENOTDIR) do fs.entries('a') end fs.chdir('f') assert_equal(['.', '..', 'i'], fs.entries('h').sort) end class TestClass1 end class TestClass2 end def test_fs_require fs = FileSystem.new do file 'test_class1.rb', TestClass1 dir 'dir' do file 'test_class2.rb', TestClass2 end end c = [] fs.object_space.each_object(Class) do |o| c << o end assert_equal([], c) assert_raise(LoadError) do fs.require('bogus') end assert(fs.require('test_class1.rb')) assert(!fs.require('test_class1.rb')) c = [] fs.object_space.each_object(Class) do |o| c << o end assert_equal([TestClass1], c) fs.require('dir/test_class2') c = [] fs.object_space.each_object(Class) do |o| c << o end assert_equal([TestClass1, TestClass2], c) c = [] fs.object_space.each_object(Time) do |o| c << o end assert_equal([], c) end def setup @t1 = t1 = create_test(1) @t2 = t2 = create_test(2) @t3 = t3 = create_test(3) @t4 = t4 = create_test(4) @t5 = t5 = create_test(5) @t6 = t6 = create_test(6) fs = FileSystem.new do file 'test_1.rb', t1 file 'test_2.rb', t2 dir 'd1' do file 'test_3.rb', t3 end file 't4.rb', t4 dir 'd2' do file 'test_5', t5 file 'test_6.rb', Time end file 't6.rb', t6 end fs.require('t6') @c = Dir.new(fs, fs, fs.object_space, fs) end def create_test(name) t = Class.new(TestCase) t.class_eval <<-EOC def self.name "T\#{#{name}}" end def test_#{name}a end def test_#{name}b end EOC t end def test_simple_collect expected = TestSuite.new('d1') expected << (@t3.suite) assert_equal(expected, @c.collect('d1')) end def test_multilevel_collect expected = TestSuite.new('.') expected << @t1.suite << @t2.suite expected << (TestSuite.new('d1') << @t3.suite) assert_equal(expected, @c.collect) end def test_collect_file expected = [@t1.suite] subsuites = [] @c.collect_file('test_1.rb', subsuites, @c.find_test_cases) assert_equal(expected, subsuites) expected = [@t4.suite] subsuites = [] @c.collect_file('t4.rb', subsuites, @c.find_test_cases) assert_equal(expected, subsuites) assert_raise(LoadError) do @c.collect_file('tloaderr.rb', [], []) end end def test_nil_pattern expected = TestSuite.new('d2') expected << @t5.suite @c.pattern = nil assert_equal(expected, @c.collect('d2')) end def test_filtering expected = TestSuite.new('.') expected << @t1.suite @c.filter = proc{|t| t.method_name == 'test_1a' || t.method_name == 'test_1b'} assert_equal(expected, @c.collect) end def test_collect_multi expected = TestSuite.new('[d1, d2]') expected << (TestSuite.new('d1') << @t3.suite) expected << (TestSuite.new('d2') << @t5.suite) @c.pattern = /^test_/ assert_equal(expected, @c.collect('d1', 'd2')) end end end end end