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Add a test to ensure seviri hrv has priority over vis008 when requesting 0.8µm #1720

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merged 1 commit into from Jun 10, 2021
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Add a test to ensure seviri hrv has priority over vis008 when requesting 0.8µm #1720

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33 changes: 33 additions & 0 deletions satpy/tests/test_dataset.py
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Expand Up @@ -628,6 +628,39 @@ def test_sort_dataids_with_different_set_of_keys(self):
assert distances[0] < distances[1]
assert distances[1] < distances[2]

def test_seviri_hrv_has_priority_over_vis008(self):
"""Check that the HRV channel has priority over VIS008 when querying 0.8µm."""
dids = [DataID(self.default_id_keys_config, name='HRV',
wavelength=WavelengthRange(min=0.5, central=0.7, max=0.9, unit='µm'), resolution=1000.134348869,
calibration="reflectance", modifiers=()),
DataID(self.default_id_keys_config, name='HRV',
wavelength=WavelengthRange(min=0.5, central=0.7, max=0.9, unit='µm'), resolution=1000.134348869,
calibration="radiance", modifiers=()),
DataID(self.default_id_keys_config, name='HRV',
wavelength=WavelengthRange(min=0.5, central=0.7, max=0.9, unit='µm'), resolution=1000.134348869,
calibration="counts", modifiers=()),
DataID(self.default_id_keys_config, name='VIS006',
wavelength=WavelengthRange(min=0.56, central=0.635, max=0.71, unit='µm'),
resolution=3000.403165817, calibration="reflectance", modifiers=()),
DataID(self.default_id_keys_config, name='VIS006',
wavelength=WavelengthRange(min=0.56, central=0.635, max=0.71, unit='µm'),
resolution=3000.403165817, calibration="radiance", modifiers=()),
DataID(self.default_id_keys_config, name='VIS006',
wavelength=WavelengthRange(min=0.56, central=0.635, max=0.71, unit='µm'),
resolution=3000.403165817, calibration="counts", modifiers=()),
DataID(self.default_id_keys_config, name='VIS008',
wavelength=WavelengthRange(min=0.74, central=0.81, max=0.88, unit='µm'),
resolution=3000.403165817, calibration="reflectance", modifiers=()),
DataID(self.default_id_keys_config, name='VIS008',
wavelength=WavelengthRange(min=0.74, central=0.81, max=0.88, unit='µm'),
resolution=3000.403165817, calibration="radiance", modifiers=()),
DataID(self.default_id_keys_config, name='VIS008',
wavelength=WavelengthRange(min=0.74, central=0.81, max=0.88, unit='µm'),
resolution=3000.403165817, calibration="counts", modifiers=())]
dq = DataQuery(wavelength=0.8)
res, distances = dq.sort_dataids(dids)
assert res[0].name == "HRV"


def test_wavelength_range():
"""Test the wavelength range object."""
Expand Down