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require File.expand_path('../helper', __FILE__)
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class TestRakeApplication < Rake::TestCase
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@app = Rake.application
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@app.options.rakelib = []
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def test_constant_warning
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_, err = capture_io do @app.instance_eval { const_warning("Task") } end
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assert_match(/warning/i, err)
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assert_match(/deprecated/i, err)
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assert_match(/Task/i, err)
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def test_display_tasks
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@app.options.show_tasks = :tasks
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@app.options.show_task_pattern = //
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@app.last_description = "COMMENT"
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@app.define_task(Rake::Task, "t")
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out, = capture_io do @app.instance_eval { display_tasks_and_comments } end
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assert_match(/^rake t/, out)
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assert_match(/# COMMENT/, out)
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def test_display_tasks_with_long_comments
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@app.terminal_columns = 80
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@app.options.show_tasks = :tasks
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@app.options.show_task_pattern = //
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@app.last_description = "1234567890" * 8
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@app.define_task(Rake::Task, "t")
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out, = capture_io do @app.instance_eval { display_tasks_and_comments } end
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assert_match(/^rake t/, out)
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assert_match(/# 12345678901234567890123456789012345678901234567890123456789012345\.\.\./, out)
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def test_display_tasks_with_task_name_wider_than_tty_display
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@app.terminal_columns = 80
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@app.options.show_tasks = :tasks
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@app.options.show_task_pattern = //
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task_name = "task name" * 80
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@app.last_description = "something short"
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@app.define_task(Rake::Task, task_name )
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out, = capture_io do @app.instance_eval { display_tasks_and_comments } end
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# Ensure the entire task name is output and we end up showing no description
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assert_match(/rake #{task_name} # .../, out)
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def test_display_tasks_with_very_long_task_name_to_a_non_tty_shows_name_and_comment
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@app.options.show_tasks = :tasks
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@app.options.show_task_pattern = //
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@app.tty_output = false
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description = "something short"
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task_name = "task name" * 80
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@app.last_description = "something short"
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@app.define_task(Rake::Task, task_name )
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out, = capture_io do @app.instance_eval { display_tasks_and_comments } end
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# Ensure the entire task name is output and we end up showing no description
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assert_match(/rake #{task_name} # #{description}/, out)
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def test_display_tasks_with_long_comments_to_a_non_tty_shows_entire_comment
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@app.options.show_tasks = :tasks
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@app.options.show_task_pattern = //
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@app.tty_output = false
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@app.last_description = "1234567890" * 8
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@app.define_task(Rake::Task, "t")
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out, = capture_io do @app.instance_eval { display_tasks_and_comments } end
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assert_match(/^rake t/, out)
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assert_match(/# #{@app.last_description}/, out)
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def test_display_tasks_with_long_comments_to_a_non_tty_with_columns_set_truncates_comments
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@app.terminal_columns = 80
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@app.options.show_tasks = :tasks
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@app.options.show_task_pattern = //
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@app.tty_output = false
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@app.last_description = "1234567890" * 8
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@app.define_task(Rake::Task, "t")
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out, = capture_io do @app.instance_eval { display_tasks_and_comments } end
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assert_match(/^rake t/, out)
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assert_match(/# 12345678901234567890123456789012345678901234567890123456789012345\.\.\./, out)
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def test_describe_tasks
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@app.options.show_tasks = :describe
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@app.options.show_task_pattern = //
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@app.last_description = "COMMENT"
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@app.define_task(Rake::Task, "t")
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out, = capture_io do @app.instance_eval { display_tasks_and_comments } end
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assert_match(/^rake t$/, out)
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assert_match(/^ {4}COMMENT$/, out)
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@app.options.show_tasks = :lines
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@app.options.show_task_pattern = //
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@app.last_description = "COMMENT"
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@app.define_task(Rake::Task, "t")
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@app['t'].locations << "HERE:1"
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out, = capture_io do @app.instance_eval { display_tasks_and_comments } end
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assert_match(/^rake t +[^:]+:\d+ *$/, out)
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def test_finding_rakefile
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assert_match(/Rakefile/i, @app.instance_eval { have_rakefile })
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def test_not_finding_rakefile
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@app.instance_eval { @rakefiles = ['NEVER_FOUND'] }
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assert( ! @app.instance_eval do have_rakefile end )
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assert_nil @app.rakefile
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def test_load_rakefile
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@app.instance_eval do
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options.silent = true
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assert_equal "rakefile", @app.rakefile.downcase
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assert_equal @tempdir, Dir.pwd
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def test_load_rakefile_doesnt_print_rakefile_directory_from_same_dir
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_, err = capture_io do
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@app.instance_eval do
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# pretend we started from the unittest dir
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@original_dir = File.expand_path(".")
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def test_load_rakefile_from_subdir
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@app.instance_eval do
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options.silent = true
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assert_equal "rakefile", @app.rakefile.downcase
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assert_equal @tempdir, Dir.pwd
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def test_load_rakefile_prints_rakefile_directory_from_subdir
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app = Rake::Application.new
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app.options.rakelib = []
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_, err = capture_io do
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assert_equal "(in #{@tempdir}\)\n", err
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def test_load_rakefile_doesnt_print_rakefile_directory_from_subdir_if_silent
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_, err = capture_io do
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@app.instance_eval do
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options.silent = true
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def test_load_rakefile_not_found
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ENV['RAKE_SYSTEM'] = 'not_exist'
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@app.instance_eval do
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options.silent = true
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ex = assert_raises(RuntimeError) do
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@app.instance_eval do raw_load_rakefile end
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assert_match(/no rakefile found/i, ex.message)
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def test_load_from_system_rakefile
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@app.instance_eval do
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options.silent = true
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options.load_system = true
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assert_equal @system_dir, @app.system_dir
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assert_nil @app.rakefile
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flunk 'failed to load rakefile'
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def test_load_from_calculated_system_rakefile
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def @app.standard_system_dir
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ENV['RAKE_SYSTEM'] = nil
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@app.instance_eval do
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options.silent = true
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options.load_system = true
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assert_equal "__STD_SYS_DIR__", @app.system_dir
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flunk 'failed to find system rakefile'
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def test_terminal_columns
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old_RAKE_COLUMNS = ENV['RAKE_COLUMNS']
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ENV['RAKE_COLUMNS'] = '42'
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app = Rake::Application.new
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assert_equal 42, app.terminal_columns
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if old_RAKE_COLUMNS then
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ENV['RAKE_COLUMNS'].delete
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ENV['RAKE_COLUMNS'] = old_RAKE_COLUMNS
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assert ! (@app.windows? && @app.unix?)
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def test_loading_imports
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@app.instance_eval do
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add_loader("dummy", loader)
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add_import("x.dummy")
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def test_building_imported_files_on_demand
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@app.instance_eval do
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intern(Rake::Task, "x.dummy").enhance do loader.make_dummy end
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add_loader("dummy", loader)
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add_import("x.dummy")
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def test_handle_options_should_strip_options_from_ARGV
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assert !@app.options.trace
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valid_option = '--trace'
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assert !ARGV.include?(valid_option)
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assert @app.options.trace
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ARGV << '--rakelib=""'
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@app.options.silent = true
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@app.instance_eval do
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intern(Rake::Task, "default").enhance { ran = true }
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out, err = capture_io do
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assert_equal "DEFAULT\n", out
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def test_display_task_run
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ARGV << '-f' << '-s' << '--tasks' << '--rakelib=""'
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@app.last_description = "COMMENT"
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@app.define_task(Rake::Task, "default")
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out, = capture_io { @app.run }
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assert @app.options.show_tasks
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assert_match(/rake default/, out)
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assert_match(/# COMMENT/, out)
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def test_display_prereqs
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ARGV << '-f' << '-s' << '--prereqs' << '--rakelib=""'
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@app.last_description = "COMMENT"
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t = @app.define_task(Rake::Task, "default")
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@app.define_task(Rake::Task, "a")
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@app.define_task(Rake::Task, "b")
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out, = capture_io { @app.run }
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assert @app.options.show_prereqs
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assert_match(/rake a$/, out)
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assert_match(/rake b$/, out)
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assert_match(/rake default\n( *(a|b)\n){2}/m, out)
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@app.intern(Rake::Task, "default").enhance { fail }
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ARGV << '-f' << '-s' << '--rakelib=""'
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assert_raises(SystemExit) {
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_, err = capture_io { @app.run }
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assert_match(/see full trace/, err)
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def test_bad_run_with_trace
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@app.intern(Rake::Task, "default").enhance { fail }
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ARGV << '-f' << '-s' << '-t'
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assert_raises(SystemExit) {
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_, err = capture_io { @app.run }
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refute_match(/see full trace/, err)
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def test_run_with_bad_options
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@app.intern(Rake::Task, "default").enhance { fail }
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ARGV << '-f' << '-s' << '--xyzzy'
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assert_raises(SystemExit) {
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capture_io { @app.run }
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def test_deprecation_message
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_, err = capture_io do
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@app.deprecate("a", "b", "c")
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assert_match(/'a' is deprecated/i, err)
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assert_match(/use 'b' instead/i, err)
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assert_match(/at c$/i, err)
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def test_standard_exception_handling_invalid_option
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out, err = capture_io do
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e = assert_raises SystemExit do
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@app.standard_exception_handling do
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raise OptionParser::InvalidOption, 'blah'
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assert_equal 1, e.status
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assert_equal "invalid option: blah\n", err
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def test_standard_exception_handling_other
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out, err = capture_io do
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e = assert_raises SystemExit do
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@app.standard_exception_handling do
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assert_equal 1, e.status
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assert_match "rake aborted!\n", err
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assert_match "blah\n", err
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def test_standard_exception_handling_system_exit
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out, err = capture_io do
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e = assert_raises SystemExit do
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@app.standard_exception_handling do
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assert_equal 0, e.status
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def test_standard_exception_handling_system_exit_nonzero
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out, err = capture_io do
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e = assert_raises SystemExit do
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@app.standard_exception_handling do
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assert_equal 5, e.status
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loader.instance_variable_set :@load_called, false
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raise 'called more than once' if @load_called
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raise ArgumentError, arg unless arg == 'x.dummy'
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loader.instance_variable_set :@make_dummy_called, false
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def loader.make_dummy
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raise 'called more than once' if @make_dummy_called
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@make_dummy_called = true