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require File.join(File.dirname(__FILE__),'spec_helper')
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require File.join(File.dirname(__FILE__),'engine_spec_helper')
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describe "A grader engine, when grading submissions" do
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include GraderEngineHelperMethods
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before(:each) do
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@config = Grader::Configuration.get_instance
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# this test is from Pong
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@problem_test_normal = stub(Problem,
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:id => 1, :name => 'test_normal',
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:full_score => 135)
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@user_user1 = stub(User,
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:id => 1, :login => 'user1')
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@engine = Grader::Engine.new
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init_sandbox
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end
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it "should grade normal submission" do
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grader_should(:grade => "test1_correct.c",
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:on => @problem_test_normal,
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:and_report => {
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:score => 135,
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:comment => /^(\[|P|\])+/})
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end
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it "should grade normal submission in C++" do
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cpp_lang = stub(Language, :name => 'cpp', :ext => 'cpp')
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grader_should(:grade => "test1_correct_cc.cc",
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:language => cpp_lang,
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:on => @problem_test_normal,
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:and_report => {
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:score => 135,
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:comment => /^(\[|P|\])+/})
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end
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it "should produce error message when submission cannot compile" do
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grader_should(:grade => "test1_compile_error.c",
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:on => @problem_test_normal,
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:and_report => {
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:score => 0,
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:comment => 'compilation error',
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:compiler_message => /[Ee]rror/})
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end
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it "should produce timeout error when submission runs forever" do
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@problem_test_timeout = stub(Problem,
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:id => 1, :name => 'test_timeout',
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:full_score => 10)
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grader_should(:grade => "test2_timeout.c",
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:on => @problem_test_timeout,
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:and_report => {
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:score => 0,
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:comment => 'TT'})
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end
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it "should produce timeout error correctly with fractional running time and fractional time limits" do
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@problem_test_timeout = stub(Problem,
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:id => 1, :name => 'test_timeout',
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:full_score => 20)
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grader_should(:grade => "test2_05sec.c",
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:on => @problem_test_timeout,
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:and_report => {
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:score => 10,
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:comment => 'TP'})
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end
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it "should produce runtime error when submission uses too much static memory" do
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@problem_test_memory = stub(Problem,
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:id => 1, :name => 'test_memory',
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:full_score => 20)
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grader_should(:grade => "add_too_much_memory_static.c",
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:on => @problem_test_memory,
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:and_report => {
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:score => 10,
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:comment => /[^P]P/})
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end
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it "should not allow submission to allocate too much dynamic memory" do
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@problem_test_memory = stub(Problem,
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:id => 1, :name => 'test_memory',
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:full_score => 20)
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grader_should(:grade => "add_too_much_memory_dynamic.c",
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:on => @problem_test_memory,
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:and_report => {
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:score => 10,
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:comment => /[^P]P/})
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end
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it "should score test runs correctly when submission fails in some test case" do
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grader_should(:grade => "add_fail_test_case_1.c",
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:on => @problem_test_normal,
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:and_report => {
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:score => 105,
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:comment => /^.*(-|x).*$/})
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end
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it "should fail submission with non-zero exit status" do
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grader_should(:grade => "add_nonzero_exit_status.c",
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:on => @problem_test_normal,
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:and_report => {
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:score => 0,
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:comment => /^(\[|x|\])+$/})
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end
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it "should not allow malicious submission to see PROBLEM_HOME" do
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problem_test_yesno = stub(Problem,
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:id => 1, :name => 'test_yesno',
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:full_score => 10)
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grader_should(:grade => "yesno_access_problem_home.c",
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:on => problem_test_yesno,
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:and_report => {
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:score => 0,
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:comment => /(-|x)/})
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end
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it "should not allow malicious submission to open files" do
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problem_test_yesno = stub(Problem,
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:id => 1, :name => 'test_yesno',
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:full_score => 10)
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grader_should(:grade => "yesno_open_file.c",
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:on => problem_test_yesno,
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:and_report => {
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:score => 0,
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:comment => /(-|x)/})
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end
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def grader_should(args)
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@user1 = stub(User,
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:id => 1, :login => 'user1')
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submission =
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create_submission_from_file(1, @user1, args[:on], args[:grade], args[:language])
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submission.should_receive(:graded_at=)
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expected_score = args[:and_report][:score]
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expected_comment = args[:and_report][:comment]
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if args[:and_report][:compiler_message]!=nil
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expected_compiler_message = args[:and_report][:compiler_message]
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else
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expected_compiler_message = ''
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end
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submission.should_receive(:points=).with(expected_score)
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submission.should_receive(:grader_comment=).with(expected_comment)
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submission.should_receive(:compiler_message=).with(expected_compiler_message)
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submission.should_receive(:save)
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@engine.grade(submission)
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end
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protected
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def create_normal_submission_mock_from_file(source_fname)
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create_submission_from_file(1, @user_user1, @problem_test_normal, source_fname)
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end
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end
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describe "A grader engine, when grading test requests" do
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include GraderEngineHelperMethods
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before(:each) do
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@config = Grader::Configuration.get_instance
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@engine = Grader::Engine.new(:room_maker => Grader::TestRequestRoomMaker.new,
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:reporter => Grader::TestRequestReporter.new)
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init_sandbox
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end
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it "should report error if there is no problem template" do
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problem = stub(Problem,
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:id => 1, :name => 'nothing')
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grader_should(:grade => 'test1_correct.c',
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:on => problem,
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:with => 'in1.txt',
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:and_report => {
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:graded_at= => nil,
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:compiler_message= => '',
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:grader_comment= => '',
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:running_stat= => /template not found/,
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:running_time= => nil,
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:exit_status= => nil,
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:memory_usage= => nil,
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:save => nil})
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end
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it "should run test request and produce output file" do
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problem = stub(Problem,
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:id => 1, :name => 'test_normal')
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grader_should(:grade => 'test1_correct.c',
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:on => problem,
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:with => 'in1.txt',
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:and_report => {
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:graded_at= => nil,
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:compiler_message= => '',
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:grader_comment= => '',
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:running_stat= => /0.0\d* sec./,
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:output_file_name= => lambda { |fname|
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File.exists?(fname).should be_true
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},
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:running_time= => nil,
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:exit_status= => nil,
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:memory_usage= => nil,
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:save => nil})
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end
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it "should clean up problem directory after running test request" do
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problem = stub(Problem,
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:id => 1, :name => 'test_normal')
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grader_should(:grade => 'test1_correct.c',
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:on => problem,
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:with => 'in1.txt',
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:and_report => {
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:graded_at= => nil,
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:compiler_message= => '',
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:grader_comment= => '',
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:running_stat= => nil,
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:output_file_name= => nil,
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:running_time= => nil,
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:exit_status= => nil,
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:memory_usage= => nil,
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:save => nil})
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File.exists?(@config.user_result_dir + "/test_request/test_normal/test_cases/1/input-1.txt").should be_false
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end
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it "should compile test request with error and report compilation error" do
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problem = stub(Problem,
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:id => 1, :name => 'test_normal')
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grader_should(:grade => 'test1_compile_error.c',
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:on => problem,
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:with => 'in1.txt',
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:and_report => {
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:graded_at= => nil,
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:compiler_message= => /.+/,
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:grader_comment= => /[Cc]ompil.*error/,
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:running_stat= => '',
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:save => nil})
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end
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it "should report exit status" do
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problem = stub(Problem,
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:id => 1, :name => 'test_normal')
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grader_should(:grade => 'add_nonzero_exit_status.c',
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:on => problem,
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:with => 'in1.txt',
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:and_report => {
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:graded_at= => nil,
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:compiler_message= => '',
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:grader_comment= => '',
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:running_stat= => /[Ee]xit.*status.*10.*0\.0\d* sec/m,
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:output_file_name= => lambda { |fname|
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File.exists?(fname).should be_true
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},
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:running_time= => nil,
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:exit_status= => /10/,
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:memory_usage= => nil,
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:save => nil})
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end
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it "should produce running statistics for normal submission" do
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problem = stub(Problem,
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:id => 1, :name => 'test_normal')
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grader_should(:grade => 'test_run_stat.c',
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:on => problem,
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:with => 'in1.txt',
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:and_report => {
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:graded_at= => nil,
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:compiler_message= => '',
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:grader_comment= => '',
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:running_stat= => nil,
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:output_file_name= => lambda { |fname|
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File.exists?(fname).should be_true
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},
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:running_time= => lambda { |t|
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(t>=0.14) and (t<=0.16)
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},
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:exit_status= => nil,
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:memory_usage= => lambda { |s|
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(s>=500) and (s<=1000)
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},
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:save => nil})
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end
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protected
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def grader_should(args)
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@user1 = stub(User,
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:id => 1, :login => 'user1')
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problem = args[:on]
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input_file = @config.test_request_input_base_dir + "/" + args[:with]
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submission =
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create_submission_from_file(1, @user1, args[:on], args[:grade])
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test_request = stub(TestRequest,
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:id => 1,
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:user => @user1,
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:problem => problem,
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:submission => submission,
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:input_file_name => input_file,
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:language => submission.language,
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:problem_name => problem.name)
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expectations = args[:and_report]
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expectations.each do |key,val|
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if val==nil
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test_request.should_receive(key)
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elsif val.class == Proc
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test_request.should_receive(key) { |fname|
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val.call(fname)
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}
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else
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test_request.should_receive(key).with(val)
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end
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end
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@engine.grade(test_request)
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end
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end
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Jittat Fakcharoenphol-