def test_get_multi_field():
fields = parse_fields({
'orbit': {
'description': 'Orbit number',
'type': 'integer',
'offset': [
['acquisition', 'platform_orbit'],
['orbit']
]
}
}, DATASET.c.metadata)
assert set(fields.keys()) == {'orbit'}
field = fields['orbit']
_assert_same(
field,
IntDocField(
'orbit', 'Orbit number',
DATASET.c.metadata,
True,
offset=[
['acquisition', 'platform_orbit'],
['orbit']
]
)
)
assert isinstance(field, SimpleDocField)
assert field.extract({'platform': {'code': 'turtle'}}) is None
assert field.extract({'acquisition': {'platform_orbit': 5}}) == 5
assert field.extract({'orbit': 10}) == 10
# It chooses the first listed field with a non-null value
assert field.extract({'orbit': 10, 'acquisition': {'platform_orbit': 5}}) == 5
def test_get_range_field():
storage_fields = parse_fields({
'lat': {
'type': 'float-range',
'max_offset': [['extents', 'geospatial_lat_max']],
'min_offset': [
['extents', 'geospatial_lat_other'],
['extents', 'geospatial_lat_min']
],
},
}, DATASET.c.metadata)
field = storage_fields['lat']
_assert_same(
field,
NumericRangeDocField(
'lat', None,
DATASET.c.metadata,
True,
max_offset=[
['extents', 'geospatial_lat_max']
],
min_offset=[
['extents', 'geospatial_lat_other'],
['extents', 'geospatial_lat_min']
],
)
)
assert isinstance(field, RangeDocField)
extracted = field.extract({'extents': {'geospatial_lat_min': 2, 'geospatial_lat_max': 4}})
assert extracted == Range(begin=2, end=4)
def test_get_single_field():
fields = parse_fields({
'platform': {
'description': 'Satellite',
'offset': ['platform', 'code']
},
'instrument': {
'offset': ['instrument', 'name']
}
}, DATASET.c.metadata)
assert set(fields.keys()) == {'platform', 'instrument'}
field = fields['platform']
_assert_same(
field,
SimpleDocField(
'platform', 'Satellite',
DATASET.c.metadata,
True,
offset=['platform', 'code']
)
)
assert isinstance(field, SimpleDocField)
assert field.extract({'platform': {'code': 'turtle'}}) == 'turtle'
assert field.extract({'platform': {'code': None}}) is None
assert field.extract({}) is None