Exemple #1
0
def test_completes(program, comm, tmpdir, root, do_multiple_mpi_programs):
    from numpy import all, arange, abs, array
    from pylada.jobfolder.massextract import MassExtract
    from pylada.jobfolder import save

    program.start(comm)
    program.wait()
    assert program.nbjobsleft == 0

    save(root, str(tmpdir.join('dict.dict')), overwrite=True)
    extract = MassExtract(str(tmpdir.join('dict.dict')))
    assert all(extract.success.values())
    order = array(list(extract.order.values())).flatten()
    assert all(arange(8) - order == 0)
    pi = array(list(extract.pi.values())).flatten()
    expected = [
        0.0, 3.2, 3.162353, 3.150849, 3.146801, 3.144926, 3.143907, 3.143293
    ]
    assert all(abs(pi - array(expected)) < 1e-5)
    error = array(list(extract.error.values())).flatten()
    expected = [
        3.141593, 0.05840735, 0.02076029, 0.009256556, 0.005207865, 0.00333321,
        0.002314774, 0.001700664
    ]
    assert all(abs(error - array(expected)) < 1e-5)
    assert all(n['n'] == comm['n'] for n in extract.comm)
Exemple #2
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def test_update(tmpdir, executable, comm, Process, do_multiple_mpi_programs):
    from copy import deepcopy
    from pylada.jobfolder.massextract import MassExtract
    from pylada.jobfolder import save

    # creates and start computing first set of jobs
    root = jobfolders(executable, 0, 3)
    program = Process(tmpdir, deepcopy(root), keepalive=True)
    assert program.keepalive
    program.start(comm)
    assert hasattr(program, '_comm')

    # update jobfolder and start computing second set of jobs
    supp = jobfolders(executable, 3, 6)
    program.update(supp)
    for key in supp.keys():
        assert key in program.jobfolder
    for key in root.keys():
        assert key in program.jobfolder
    assert len(program.jobfolder) == len(root) + len(supp)

    # create mass extraction object and check succcess
    save(program.jobfolder, str(tmpdir.join('dict.dict')), overwrite=True)
    extract = MassExtract(str(tmpdir.join('dict.dict')))

    # wait for job completion and check for success
    program.wait()
    assert len(extract.success.values()) == 6
    assert all((u for u in extract.success.values()))
Exemple #3
0
def test(executable):
    """ Tests JobFolderProcess. Includes failure modes.  """
    from tempfile import mkdtemp
    from os.path import join
    from shutil import rmtree
    from numpy import all, arange, abs, array
    from pylada.jobfolder.jobfolder import JobFolder
    from pylada.jobfolder.massextract import MassExtract
    from pylada.jobfolder import save
    from pylada.process.jobfolder import JobFolderProcess
    from pylada.process import Fail, AlreadyStarted, NotStarted
    from pylada import default_comm
    from functional import Functional

    root = JobFolder()
    for n in xrange(8):
        job = root / str(n)
        job.functional = Functional(executable, [n])
        job.params['sleep'] = 1

    comm = default_comm.copy()
    comm['n'] = 4

    dir = mkdtemp()
    try:
        program = JobFolderProcess(root, nbpools=2, outdir=dir)
        assert program.nbjobsleft > 0
        # program not started. should fail.
        try:
            program.poll()
        except NotStarted:
            pass
        else:
            raise Exception()
        try:
            program.wait()
        except NotStarted:
            pass
        else:
            raise Exception()

        # now starting for real.
        program.start(comm)
        assert len(program.process) == 2
        # Should not be possible to start twice.
        try:
            program.start(comm)
        except AlreadyStarted:
            pass
        else:
            raise Exception()
        while not program.poll():
            continue
        assert program.nbjobsleft == 0
        save(root, join(dir, 'dict.dict'), overwrite=True)
        extract = MassExtract(join(dir, 'dict.dict'))
        assert all(extract.success.itervalues())
        order = array(extract.order.values()).flatten()
        assert all(arange(8) - order == 0)
        pi = array(extract.pi.values()).flatten()
        assert all(abs(pi - array([0.0, 3.2, 3.162353, 3.150849,
                                   3.146801, 3.144926, 3.143907, 3.143293]))\
                    < 1e-5 )
        error = array(extract.error.values()).flatten()
        assert all(abs(error - array([3.141593, 0.05840735, 0.02076029, 0.009256556,
                                      0.005207865, 0.00333321, 0.002314774, 0.001700664]))\
                    < 1e-5 )
        assert all(n['n'] == comm['n'] for n in extract.comm)
        # restart
        assert program.poll()
        assert len(program.process) == 0
        program.start(comm)
        assert len(program.process) == 0
        assert program.poll()
    finally:
        try:
            rmtree(dir)
        except:
            pass

    try:
        job = root / str(666)
        job.functional = Functional(executable, [666])
        program = JobFolderProcess(root, nbpools=2, outdir=dir)
        assert program.nbjobsleft > 0
        program.start(comm)
        program.wait()
        assert program.nbjobsleft == 0
    except Fail as r:
        assert len(program.errors.keys()) == 1
        assert '666' in program.errors
        assert len(program._finished) == 8
    else:
        raise Exception
    finally:
        try:
            rmtree(dir)
        except:
            pass
    try:
        job.functional.order = [667]
        program = JobFolderProcess(root, nbpools=2, outdir=dir)
        assert program.nbjobsleft > 0
        program.start(comm)
        program.wait()
        assert program.nbjobsleft == 0
    finally:
        try:
            rmtree(dir)
        except:
            pass