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"""
Test for low resolution dataset loading.
Ensures that all satellite types can be opened with resolution parameter.
"""
import pytest
import xsar
import xarray as xr
def test_open_dataset_sentinel1():
"""
Test that open_dataset works with resolution='1000m' for Sentinel-1.
This test verifies that:
- The dataset can be opened successfully
- The resolution parameter is accepted
- Basic dataset properties are present
"""
# Get the test file
satellite_file = "S1B_IW_GRDH_1SDV_20181013T062322_20181013T062347_013130_018428_Z010.SAFE"
file_path = xsar.get_test_file(satellite_file)
# Open dataset at low resolution
ds = xsar.open_dataset(file_path, resolution='1000m')
# Verify dataset is loaded
assert ds is not None, "Dataset should be loaded"
# Verify it's an xarray Dataset
assert isinstance(ds, xr.Dataset), "Result should be an xarray Dataset"
# Verify dataset has some expected dimensions
assert len(ds.dims) > 0, "Dataset should have dimensions"
# Verify dataset has some data variables
assert len(ds.data_vars) > 0, "Dataset should have data variables"
# Close the dataset
ds.close()
def test_open_dataset_radarsat2():
"""
Test that open_dataset works with resolution='1000m' for RadarSat-2.
This test verifies that:
- The dataset can be opened successfully
- The resolution parameter is accepted
- Basic dataset properties are present
"""
# Get the test file
satellite_file = "RS2_OK135107_PK1187782_DK1151894_SCWA_20220407_182127_VV_VH_SGF"
file_path = xsar.get_test_file(satellite_file)
# Open dataset at low resolution
ds = xsar.open_dataset(file_path, resolution='1000m')
# Verify dataset is loaded
assert ds is not None, "Dataset should be loaded"
# Verify it's an xarray Dataset
assert isinstance(ds, xr.Dataset), "Result should be an xarray Dataset"
# Verify dataset has some expected dimensions
assert len(ds.dims) > 0, "Dataset should have dimensions"
# Verify dataset has some data variables
assert len(ds.data_vars) > 0, "Dataset should have data variables"
# Close the dataset
ds.close()
def test_open_dataset_rcm():
"""
Test that open_dataset works with resolution='1000m' for RCM.
This test verifies that:
- The dataset can be opened successfully
- The resolution parameter is accepted
- Basic dataset properties are present
"""
# Get the test file
satellite_file = "RCM1_OK2460179_PK2462841_1_SCLND_20230301_072431_VV_VH_GRD"
file_path = xsar.get_test_file(satellite_file)
# Open dataset at low resolution
ds = xsar.open_dataset(file_path, resolution='1000m')
# Verify dataset is loaded
assert ds is not None, "Dataset should be loaded"
# Verify it's an xarray Dataset
assert isinstance(ds, xr.Dataset), "Result should be an xarray Dataset"
# Verify dataset has some expected dimensions
assert len(ds.dims) > 0, "Dataset should have dimensions"
# Verify dataset has some data variables
assert len(ds.data_vars) > 0, "Dataset should have data variables"
# Close the dataset
ds.close()
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