JezK
Edit File: test_rules.rb
#!/usr/bin/env ruby require 'test/unit' require 'fileutils' require 'rake' require 'test/filecreation' require 'test/rake_test_setup' ###################################################################### class TestRules < Test::Unit::TestCase include Rake include FileCreation include TestMethods SRCFILE = "testdata/abc.c" SRCFILE2 = "testdata/xyz.c" FTNFILE = "testdata/abc.f" OBJFILE = "testdata/abc.o" FOOFILE = "testdata/foo" DOTFOOFILE = "testdata/.foo" def setup Task.clear @runs = [] end def teardown FileList['testdata/*'].uniq.each do |f| rm_r(f, :verbose=>false) end end def test_multiple_rules1 create_file(FTNFILE) delete_file(SRCFILE) delete_file(OBJFILE) rule(/\.o$/ => ['.c']) do @runs << :C end rule(/\.o$/ => ['.f']) do @runs << :F end t = Task[OBJFILE] t.invoke Task[OBJFILE].invoke assert_equal [:F], @runs end def test_multiple_rules2 create_file(FTNFILE) delete_file(SRCFILE) delete_file(OBJFILE) rule(/\.o$/ => ['.f']) do @runs << :F end rule(/\.o$/ => ['.c']) do @runs << :C end Task[OBJFILE].invoke assert_equal [:F], @runs end def test_create_with_source create_file(SRCFILE) rule(/\.o$/ => ['.c']) do |t| @runs << t.name assert_equal OBJFILE, t.name assert_equal SRCFILE, t.source end Task[OBJFILE].invoke assert_equal [OBJFILE], @runs end def test_single_dependent create_file(SRCFILE) rule(/\.o$/ => '.c') do |t| @runs << t.name end Task[OBJFILE].invoke assert_equal [OBJFILE], @runs end def test_rule_can_be_created_by_string create_file(SRCFILE) rule '.o' => ['.c'] do |t| @runs << t.name end Task[OBJFILE].invoke assert_equal [OBJFILE], @runs end def test_rule_prereqs_can_be_created_by_string create_file(SRCFILE) rule '.o' => '.c' do |t| @runs << t.name end Task[OBJFILE].invoke assert_equal [OBJFILE], @runs end def test_plain_strings_as_dependents_refer_to_files create_file(SRCFILE) rule '.o' => SRCFILE do |t| @runs << t.name end Task[OBJFILE].invoke assert_equal [OBJFILE], @runs end def test_file_names_beginning_with_dot_can_be_tricked_into_refering_to_file verbose(false) do chdir("testdata") do create_file('.foo') rule '.o' => "./.foo" do |t| @runs << t.name end Task[OBJFILE].invoke assert_equal [OBJFILE], @runs end end end def test_file_names_beginning_with_dot_can_be_wrapped_in_lambda verbose(false) do chdir("testdata") do create_file(".foo") rule '.o' => lambda{".foo"} do |t| @runs << "#{t.name} - #{t.source}" end Task[OBJFILE].invoke assert_equal ["#{OBJFILE} - .foo"], @runs end end end def test_file_names_containing_percent_can_be_wrapped_in_lambda verbose(false) do chdir("testdata") do create_file("foo%x") rule '.o' => lambda{"foo%x"} do |t| @runs << "#{t.name} - #{t.source}" end Task[OBJFILE].invoke assert_equal ["#{OBJFILE} - foo%x"], @runs end end end def test_non_extension_rule_name_refers_to_file verbose(false) do chdir("testdata") do create_file("abc.c") rule "abc" => '.c' do |t| @runs << t.name end Task["abc"].invoke assert_equal ["abc"], @runs end end end def test_pathmap_automatically_applies_to_name verbose(false) do chdir("testdata") do create_file("zzabc.c") rule ".o" => 'zz%{x,a}n.c' do |t| @runs << "#{t.name} - #{t.source}" end Task["xbc.o"].invoke assert_equal ["xbc.o - zzabc.c"], @runs end end end def test_plain_strings_are_just_filenames verbose(false) do chdir("testdata") do create_file("plainname") rule ".o" => 'plainname' do |t| @runs << "#{t.name} - #{t.source}" end Task["xbc.o"].invoke assert_equal ["xbc.o - plainname"], @runs end end end def test_rule_runs_when_explicit_task_has_no_actions create_file(SRCFILE) create_file(SRCFILE2) delete_file(OBJFILE) rule '.o' => '.c' do |t| @runs << t.source end file OBJFILE => [SRCFILE2] Task[OBJFILE].invoke assert_equal [SRCFILE], @runs end def test_close_matches_on_name_do_not_trigger_rule create_file("testdata/x.c") rule '.o' => ['.c'] do |t| @runs << t.name end assert_exception(RuntimeError) { Task['testdata/x.obj'].invoke } assert_exception(RuntimeError) { Task['testdata/x.xyo'].invoke } end def test_rule_rebuilds_obj_when_source_is_newer create_timed_files(OBJFILE, SRCFILE) rule(/\.o$/ => ['.c']) do @runs << :RULE end Task[OBJFILE].invoke assert_equal [:RULE], @runs end def test_rule_with_two_sources_runs_if_both_sources_are_present create_timed_files(OBJFILE, SRCFILE, SRCFILE2) rule OBJFILE => [lambda{SRCFILE}, lambda{SRCFILE2}] do @runs << :RULE end Task[OBJFILE].invoke assert_equal [:RULE], @runs end def test_rule_with_two_sources_but_one_missing_does_not_run create_timed_files(OBJFILE, SRCFILE) delete_file(SRCFILE2) rule OBJFILE => [lambda{SRCFILE}, lambda{SRCFILE2}] do @runs << :RULE end Task[OBJFILE].invoke assert_equal [], @runs end def test_rule_with_two_sources_builds_both_sources task 'x.aa' task 'x.bb' rule '.a' => '.aa' do @runs << "A" end rule '.b' => '.bb' do @runs << "B" end rule ".c" => ['.a', '.b'] do @runs << "C" end Task["x.c"].invoke assert_equal ["A", "B", "C"], @runs.sort end def test_second_rule_runs_when_first_rule_doesnt create_timed_files(OBJFILE, SRCFILE) delete_file(SRCFILE2) rule OBJFILE => [lambda{SRCFILE}, lambda{SRCFILE2}] do @runs << :RULE1 end rule OBJFILE => [lambda{SRCFILE}] do @runs << :RULE2 end Task[OBJFILE].invoke assert_equal [:RULE2], @runs end def test_second_rule_doest_run_if_first_triggers create_timed_files(OBJFILE, SRCFILE, SRCFILE2) rule OBJFILE => [lambda{SRCFILE}, lambda{SRCFILE2}] do @runs << :RULE1 end rule OBJFILE => [lambda{SRCFILE}] do @runs << :RULE2 end Task[OBJFILE].invoke assert_equal [:RULE1], @runs end def test_second_rule_doest_run_if_first_triggers_with_reversed_rules create_timed_files(OBJFILE, SRCFILE, SRCFILE2) rule OBJFILE => [lambda{SRCFILE}] do @runs << :RULE1 end rule OBJFILE => [lambda{SRCFILE}, lambda{SRCFILE2}] do @runs << :RULE2 end Task[OBJFILE].invoke assert_equal [:RULE1], @runs end def test_rule_with_proc_dependent_will_trigger ran = false mkdir_p("testdata/src/jw") create_file("testdata/src/jw/X.java") rule %r(classes/.*\.class) => [ proc { |fn| fn.pathmap("%{classes,testdata/src}d/%n.java") } ] do |task| assert_equal task.name, 'classes/jw/X.class' assert_equal task.source, 'testdata/src/jw/X.java' @runs << :RULE end Task['classes/jw/X.class'].invoke assert_equal [:RULE], @runs ensure rm_r("testdata/src", :verbose=>false) rescue nil end def test_proc_returning_lists_are_flattened_into_prereqs ran = false mkdir_p("testdata/flatten") create_file("testdata/flatten/a.txt") task 'testdata/flatten/b.data' do |t| ran = true touch t.name, :verbose => false end rule '.html' => proc { |fn| [ fn.ext("txt"), "testdata/flatten/b.data" ] } do |task| end Task['testdata/flatten/a.html'].invoke assert ran, "Should have triggered flattened dependency" ensure rm_r("testdata/flatten", :verbose=>false) rescue nil end def test_recursive_rules_will_work_as_long_as_they_terminate actions = [] create_file("testdata/abc.xml") rule '.y' => '.xml' do actions << 'y' end rule '.c' => '.y' do actions << 'c'end rule '.o' => '.c' do actions << 'o'end rule '.exe' => '.o' do actions << 'exe'end Task["testdata/abc.exe"].invoke assert_equal ['y', 'c', 'o', 'exe'], actions end def test_recursive_rules_that_dont_terminate_will_overflow create_file("testdata/a.a") prev = 'a' ('b'..'z').each do |letter| rule ".#{letter}" => ".#{prev}" do |t| puts "#{t.name}" end prev = letter end ex = assert_exception(Rake::RuleRecursionOverflowError) { Task["testdata/a.z"].invoke } assert_match(/a\.z => testdata\/a.y/, ex.message) end def test_rules_with_bad_dependents_will_fail rule "a" => [ 1 ] do |t| puts t.name end assert_exception(RuntimeError) do Task['a'].invoke end end end