Exemple #1
0
def test_io():
    """Test TFR IO capacities."""

    tempdir = _TempDir()
    fname = op.join(tempdir, 'test-tfr.h5')
    data = np.zeros((3, 2, 3))
    times = np.array([.1, .2, .3])
    freqs = np.array([.10, .20])

    info = mne.create_info(['MEG 001', 'MEG 002', 'MEG 003'], 1000.,
                           ['mag', 'mag', 'mag'])
    tfr = AverageTFR(info,
                     data=data,
                     times=times,
                     freqs=freqs,
                     nave=20,
                     comment='test',
                     method='crazy-tfr')
    tfr.save(fname)
    tfr2 = read_tfrs(fname, condition='test')

    assert_array_equal(tfr.data, tfr2.data)
    assert_array_equal(tfr.times, tfr2.times)
    assert_array_equal(tfr.freqs, tfr2.freqs)
    assert_equal(tfr.comment, tfr2.comment)
    assert_equal(tfr.nave, tfr2.nave)

    assert_raises(IOError, tfr.save, fname)

    tfr.comment = None
    tfr.save(fname, overwrite=True)
    assert_equal(read_tfrs(fname, condition=0).comment, tfr.comment)
    tfr.comment = 'test-A'
    tfr2.comment = 'test-B'

    fname = op.join(tempdir, 'test2-tfr.h5')
    write_tfrs(fname, [tfr, tfr2])
    tfr3 = read_tfrs(fname, condition='test-A')
    assert_equal(tfr.comment, tfr3.comment)

    assert_true(isinstance(tfr.info, mne.Info))

    tfrs = read_tfrs(fname, condition=None)
    assert_equal(len(tfrs), 2)
    tfr4 = tfrs[1]
    assert_equal(tfr2.comment, tfr4.comment)

    assert_raises(ValueError, read_tfrs, fname, condition='nonono')

    # Test save of EpochsTFR.
    data = np.zeros((5, 3, 2, 3))
    tfr = EpochsTFR(info,
                    data=data,
                    times=times,
                    freqs=freqs,
                    comment='test',
                    method='crazy-tfr')
    tfr.save(fname, True)
    read_tfr = read_tfrs(fname)[0]
    assert_array_equal(tfr.data, read_tfr.data)
Exemple #2
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def test_io():
    """Test TFR IO capacities."""

    tempdir = _TempDir()
    fname = op.join(tempdir, 'test-tfr.h5')
    data = np.zeros((3, 2, 3))
    times = np.array([.1, .2, .3])
    freqs = np.array([.10, .20])

    info = mne.create_info(['MEG 001', 'MEG 002', 'MEG 003'], 1000.,
                           ['mag', 'mag', 'mag'])
    tfr = AverageTFR(info, data=data, times=times, freqs=freqs,
                     nave=20, comment='test', method='crazy-tfr')
    tfr.save(fname)
    tfr2 = read_tfrs(fname, condition='test')

    assert_array_equal(tfr.data, tfr2.data)
    assert_array_equal(tfr.times, tfr2.times)
    assert_array_equal(tfr.freqs, tfr2.freqs)
    assert_equal(tfr.comment, tfr2.comment)
    assert_equal(tfr.nave, tfr2.nave)

    assert_raises(IOError, tfr.save, fname)

    tfr.comment = None
    tfr.save(fname, overwrite=True)
    assert_equal(read_tfrs(fname, condition=0).comment, tfr.comment)
    tfr.comment = 'test-A'
    tfr2.comment = 'test-B'

    fname = op.join(tempdir, 'test2-tfr.h5')
    write_tfrs(fname, [tfr, tfr2])
    tfr3 = read_tfrs(fname, condition='test-A')
    assert_equal(tfr.comment, tfr3.comment)

    assert_true(isinstance(tfr.info, mne.Info))

    tfrs = read_tfrs(fname, condition=None)
    assert_equal(len(tfrs), 2)
    tfr4 = tfrs[1]
    assert_equal(tfr2.comment, tfr4.comment)

    assert_raises(ValueError, read_tfrs, fname, condition='nonono')

    # Test save of EpochsTFR.
    data = np.zeros((5, 3, 2, 3))
    tfr = EpochsTFR(info, data=data, times=times, freqs=freqs,
                    comment='test', method='crazy-tfr')
    tfr.save(fname, True)
    read_tfr = read_tfrs(fname)[0]
    assert_array_equal(tfr.data, read_tfr.data)
Exemple #3
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def test_io():
    """Test TFR IO capacities"""

    tempdir = _TempDir()
    fname = op.join(tempdir, "test-tfr.h5")
    data = np.zeros((3, 2, 3))
    times = np.array([0.1, 0.2, 0.3])
    freqs = np.array([0.10, 0.20])

    info = mne.create_info(["MEG 001", "MEG 002", "MEG 003"], 1000.0, ["mag", "mag", "mag"])
    tfr = AverageTFR(info, data=data, times=times, freqs=freqs, nave=20, comment="test", method="crazy-tfr")
    tfr.save(fname)
    tfr2 = read_tfrs(fname, condition="test")

    assert_array_equal(tfr.data, tfr2.data)
    assert_array_equal(tfr.times, tfr2.times)
    assert_array_equal(tfr.freqs, tfr2.freqs)
    assert_equal(tfr.comment, tfr2.comment)
    assert_equal(tfr.nave, tfr2.nave)

    assert_raises(IOError, tfr.save, fname)

    tfr.comment = None
    tfr.save(fname, overwrite=True)
    assert_equal(read_tfrs(fname, condition=0).comment, tfr.comment)
    tfr.comment = "test-A"
    tfr2.comment = "test-B"

    fname = op.join(tempdir, "test2-tfr.h5")
    write_tfrs(fname, [tfr, tfr2])
    tfr3 = read_tfrs(fname, condition="test-A")
    assert_equal(tfr.comment, tfr3.comment)

    assert_true(isinstance(tfr.info, io.meas_info.Info))

    tfrs = read_tfrs(fname, condition=None)
    assert_equal(len(tfrs), 2)
    tfr4 = tfrs[1]
    assert_equal(tfr2.comment, tfr4.comment)

    assert_raises(ValueError, read_tfrs, fname, condition="nonono")
Exemple #4
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def test_io():
    """Test TFR IO capacities."""
    from pandas import DataFrame
    tempdir = _TempDir()
    fname = op.join(tempdir, 'test-tfr.h5')
    data = np.zeros((3, 2, 3))
    times = np.array([.1, .2, .3])
    freqs = np.array([.10, .20])

    info = mne.create_info(['MEG 001', 'MEG 002', 'MEG 003'], 1000.,
                           ['mag', 'mag', 'mag'])
    info['meas_date'] = datetime.datetime(year=2020,
                                          month=2,
                                          day=5,
                                          tzinfo=datetime.timezone.utc)
    info._check_consistency()
    tfr = AverageTFR(info,
                     data=data,
                     times=times,
                     freqs=freqs,
                     nave=20,
                     comment='test',
                     method='crazy-tfr')
    tfr.save(fname)
    tfr2 = read_tfrs(fname, condition='test')
    assert isinstance(tfr2.info, Info)
    assert isinstance(tfr2.info['dev_head_t'], Transform)

    assert_array_equal(tfr.data, tfr2.data)
    assert_array_equal(tfr.times, tfr2.times)
    assert_array_equal(tfr.freqs, tfr2.freqs)
    assert_equal(tfr.comment, tfr2.comment)
    assert_equal(tfr.nave, tfr2.nave)

    pytest.raises(IOError, tfr.save, fname)

    tfr.comment = None
    # test old meas_date
    info['meas_date'] = (1, 2)
    tfr.save(fname, overwrite=True)
    assert_equal(read_tfrs(fname, condition=0).comment, tfr.comment)
    tfr.comment = 'test-A'
    tfr2.comment = 'test-B'

    fname = op.join(tempdir, 'test2-tfr.h5')
    write_tfrs(fname, [tfr, tfr2])
    tfr3 = read_tfrs(fname, condition='test-A')
    assert_equal(tfr.comment, tfr3.comment)

    assert (isinstance(tfr.info, mne.Info))

    tfrs = read_tfrs(fname, condition=None)
    assert_equal(len(tfrs), 2)
    tfr4 = tfrs[1]
    assert_equal(tfr2.comment, tfr4.comment)

    pytest.raises(ValueError, read_tfrs, fname, condition='nonono')
    # Test save of EpochsTFR.
    n_events = 5
    data = np.zeros((n_events, 3, 2, 3))

    # create fake metadata
    rng = np.random.RandomState(42)
    rt = np.round(rng.uniform(size=(n_events, )), 3)
    trialtypes = np.array(['face', 'place'])
    trial = trialtypes[(rng.uniform(size=(n_events, )) > .5).astype(int)]
    meta = DataFrame(dict(RT=rt, Trial=trial))
    # fake events and event_id
    events = np.zeros([n_events, 3])
    events[:, 0] = np.arange(n_events)
    events[:, 2] = np.ones(n_events)
    event_id = {'a/b': 1}

    tfr = EpochsTFR(info,
                    data=data,
                    times=times,
                    freqs=freqs,
                    comment='test',
                    method='crazy-tfr',
                    events=events,
                    event_id=event_id,
                    metadata=meta)
    tfr.save(fname, True)
    read_tfr = read_tfrs(fname)[0]
    assert_array_equal(tfr.data, read_tfr.data)
    assert_metadata_equal(tfr.metadata, read_tfr.metadata)
    assert_array_equal(tfr.events, read_tfr.events)
    assert tfr.event_id == read_tfr.event_id
Exemple #5
0
def test_io():
    """Test TFR IO capacities."""
    from pandas import DataFrame
    tempdir = _TempDir()
    fname = op.join(tempdir, 'test-tfr.h5')
    data = np.zeros((3, 2, 3))
    times = np.array([.1, .2, .3])
    freqs = np.array([.10, .20])

    info = mne.create_info(['MEG 001', 'MEG 002', 'MEG 003'], 1000.,
                           ['mag', 'mag', 'mag'])
    tfr = AverageTFR(info, data=data, times=times, freqs=freqs,
                     nave=20, comment='test', method='crazy-tfr')
    tfr.save(fname)
    tfr2 = read_tfrs(fname, condition='test')

    assert_array_equal(tfr.data, tfr2.data)
    assert_array_equal(tfr.times, tfr2.times)
    assert_array_equal(tfr.freqs, tfr2.freqs)
    assert_equal(tfr.comment, tfr2.comment)
    assert_equal(tfr.nave, tfr2.nave)

    pytest.raises(IOError, tfr.save, fname)

    tfr.comment = None
    tfr.save(fname, overwrite=True)
    assert_equal(read_tfrs(fname, condition=0).comment, tfr.comment)
    tfr.comment = 'test-A'
    tfr2.comment = 'test-B'

    fname = op.join(tempdir, 'test2-tfr.h5')
    write_tfrs(fname, [tfr, tfr2])
    tfr3 = read_tfrs(fname, condition='test-A')
    assert_equal(tfr.comment, tfr3.comment)

    assert (isinstance(tfr.info, mne.Info))

    tfrs = read_tfrs(fname, condition=None)
    assert_equal(len(tfrs), 2)
    tfr4 = tfrs[1]
    assert_equal(tfr2.comment, tfr4.comment)

    pytest.raises(ValueError, read_tfrs, fname, condition='nonono')
    # Test save of EpochsTFR.
    n_events = 5
    data = np.zeros((n_events, 3, 2, 3))

    # create fake metadata
    rng = np.random.RandomState(42)
    rt = np.round(rng.uniform(size=(n_events,)), 3)
    trialtypes = np.array(['face', 'place'])
    trial = trialtypes[(rng.uniform(size=(n_events,)) > .5).astype(int)]
    meta = DataFrame(dict(RT=rt, Trial=trial))
    # fake events and event_id
    events = np.zeros([n_events, 3])
    events[:, 0] = np.arange(n_events)
    events[:, 2] = np.ones(n_events)
    event_id = dict(a=1)

    tfr = EpochsTFR(info, data=data, times=times, freqs=freqs,
                    comment='test', method='crazy-tfr', events=events,
                    event_id=event_id, metadata=meta)
    tfr.save(fname, True)
    read_tfr = read_tfrs(fname)[0]
    assert_array_equal(tfr.data, read_tfr.data)
    assert_metadata_equal(tfr.metadata, read_tfr.metadata)
    assert_array_equal(tfr.events, read_tfr.events)
    assert_equal(tfr.event_id, read_tfr.event_id)