示例#1
0
def test_linspace_handling_of_rounding(monkeypatch, linspace_interface):
    """Test that we properly round the values.

    """
    monkeypatch.setattr(LoopTask, 'perform_loop', false_perform_loop)
    root = RootTask(should_stop=Event(), should_pause=Event())
    lt = LoopTask(name='Test')
    root.add_child_task(0, lt)

    # Step use more digit
    lt.interface = linspace_interface
    linspace_interface.start = '0.1'
    linspace_interface.stop = '0.11'
    linspace_interface.step = '0.001'
    linspace_interface.perform()
    expected = np.array([
        0.1, 0.101, 0.102, 0.103, 0.104, 0.105, 0.106, 0.107, 0.108, 0.109,
        0.11
    ])
    # Check that this does indeed cause a rounding issue
    with pytest.raises(AssertionError):
        np.testing.assert_array_equal(np.linspace(0.1, 0.11, 11), expected)
    np.testing.assert_array_equal(lt.database_entries['iterable'], expected)

    # Start use more digit
    lt.interface = linspace_interface
    linspace_interface.start = '1.01'
    linspace_interface.stop = '2.01'
    linspace_interface.step = '0.1'
    linspace_interface.perform()
    expected = np.array(
        [1.01, 1.11, 1.21, 1.31, 1.41, 1.51, 1.61, 1.71, 1.81, 1.91, 2.01])
    np.testing.assert_array_equal(lt.database_entries['iterable'], expected)

    # Start use more digit and stop does not round properly
    lt.interface = linspace_interface
    linspace_interface.start = '0.501'
    linspace_interface.stop = '1'
    linspace_interface.step = '0.2'
    linspace_interface.perform()
    expected = np.array([0.501, 0.701, 0.901])
    np.testing.assert_array_equal(lt.database_entries['iterable'], expected)
示例#2
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def test_linspace_handling_of_rounding(monkeypatch, linspace_interface):
    """Test that we properly round the values.

    """
    monkeypatch.setattr(LoopTask, 'perform_loop', false_perform_loop)
    root = RootTask()
    lt = LoopTask(name='Test')
    root.add_child_task(0, lt)

    # Step use more digit
    lt.interface = linspace_interface
    linspace_interface.start = '0.1'
    linspace_interface.stop = '0.11'
    linspace_interface.step = '0.001'
    linspace_interface.perform()
    expected = np.array([0.1, 0.101, 0.102, 0.103, 0.104, 0.105, 0.106,
                         0.107, 0.108, 0.109, 0.11])
    # Check that this does indeed cause a rounding issue
    with pytest.raises(AssertionError):
        np.testing.assert_array_equal(np.linspace(0.1, 0.11, 11), expected)
    np.testing.assert_array_equal(lt.database_entries['iterable'], expected)

    # Start use more digit
    lt.interface = linspace_interface
    linspace_interface.start = '1.01'
    linspace_interface.stop = '2.01'
    linspace_interface.step = '0.1'
    linspace_interface.perform()
    expected = np.array([1.01, 1.11, 1.21, 1.31, 1.41, 1.51, 1.61, 1.71, 1.81,
                         1.91, 2.01])
    np.testing.assert_array_equal(lt.database_entries['iterable'], expected)

    # Start use more digit and stop does not round properly
    lt.interface = linspace_interface
    linspace_interface.start = '0.501'
    linspace_interface.stop = '1'
    linspace_interface.step = '0.2'
    linspace_interface.perform()
    expected = np.array([0.501, 0.701, 0.901])
    np.testing.assert_array_equal(lt.database_entries['iterable'], expected)
示例#3
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def test_linspace_handling_of_non_matching_stop(monkeypatch,
                                                linspace_interface):
    """Test that we respect the step even if stop does not match.

    """
    monkeypatch.setattr(LoopTask, 'perform_loop', false_perform_loop)
    root = RootTask()
    lt = LoopTask(name='Test')
    root.add_child_task(0, lt)

    lt.interface = linspace_interface
    linspace_interface.start = '0.1'
    linspace_interface.stop = '0.1101'
    linspace_interface.step = '0.001'
    linspace_interface.perform()
    expected = np.array([0.1, 0.101, 0.102, 0.103, 0.104, 0.105, 0.106,
                         0.107, 0.108, 0.109, 0.11])
    np.testing.assert_array_equal(lt.database_entries['iterable'], expected)
示例#4
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def test_linspace_handling_of_step_sign(monkeypatch, linspace_interface):
    """Test that no matter the sign of step we generate the proper array.

    """
    monkeypatch.setattr(LoopTask, 'perform_loop', false_perform_loop)
    root = RootTask(should_stop=Event(), should_pause=Event())
    lt = LoopTask(name='Test')
    root.add_child_task(0, lt)

    lt.interface = linspace_interface
    linspace_interface.step = '-0.1'
    linspace_interface.perform()
    expected = np.array(
        [1.0, 1.1, 1.2, 1.3, 1.4, 1.5, 1.6, 1.7, 1.8, 1.9, 2.0])
    np.testing.assert_array_equal(lt.database_entries['iterable'], expected)

    linspace_interface.start = '3.0'
    linspace_interface.perform()
    expected = np.array(
        [3.0, 2.9, 2.8, 2.7, 2.6, 2.5, 2.4, 2.3, 2.2, 2.1, 2.0])
    np.testing.assert_array_equal(lt.database_entries['iterable'], expected)
示例#5
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def test_linspace_handling_of_step_sign(monkeypatch, linspace_interface):
    """Test that no matter the sign of step we generate the proper array.

    """
    monkeypatch.setattr(LoopTask, 'perform_loop', false_perform_loop)
    root = RootTask()
    lt = LoopTask(name='Test')
    root.add_child_task(0, lt)

    lt.interface = linspace_interface
    linspace_interface.step = '-0.1'
    linspace_interface.perform()
    expected = np.array([1.0, 1.1, 1.2, 1.3, 1.4, 1.5, 1.6, 1.7, 1.8, 1.9, 2.0]
                        )
    np.testing.assert_array_equal(lt.database_entries['iterable'], expected)

    linspace_interface.start = '3.0'
    linspace_interface.perform()
    expected = np.array([3.0, 2.9, 2.8, 2.7, 2.6, 2.5, 2.4, 2.3, 2.2, 2.1, 2.0]
                        )
    np.testing.assert_array_equal(lt.database_entries['iterable'],
                                  expected)