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Merge pull request #93 from dcs4cop/forman-92-xcube_prune
Forman 92 xcube prune
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,114 @@ | ||
| import os.path | ||
| import sys | ||
| import numpy as np | ||
| import xarray as xr | ||
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| from test.cli.helpers import CliTest | ||
| from xcube.api import assert_cube, new_cube | ||
| from xcube.api.readwrite import write_cube | ||
| from xcube.cli.prune import _delete_block_file | ||
| from xcube.util.dsio import rimraf | ||
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| class PruneTest(CliTest): | ||
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| def test_help_option(self): | ||
| result = self.invoke_cli(['prune', '--help']) | ||
| self.assertEqual(0, result.exit_code) | ||
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| class PruneDataTest(CliTest): | ||
| TEST_CUBE = "test.zarr" | ||
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| def setUp(self) -> None: | ||
| rimraf(self.TEST_CUBE) | ||
| cube = new_cube(time_periods=3, | ||
| variables=dict(precipitation=np.nan, | ||
| temperature=np.nan)).chunk(dict(time=1, lat=90, lon=90)) | ||
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| write_cube(cube, self.TEST_CUBE, "zarr", cube_asserted=True) | ||
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| def tearDown(self) -> None: | ||
| rimraf(self.TEST_CUBE) | ||
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| def test_dry_run(self): | ||
| result = self.invoke_cli(['prune', self.TEST_CUBE, "--dry-run"]) | ||
| self.assertEqual(0, result.exit_code) | ||
| self.assertEqual("Opening cube from 'test.zarr'...\n" | ||
| "Identifying empty blocks...\n" | ||
| "Deleting 24 empty block file(s) for variable 'precipitation'...\n" | ||
| "Deleting 24 empty block file(s) for variable 'temperature'...\n" | ||
| "Done, 48 block file(s) deleted.\n", | ||
| result.stdout) | ||
| expected_file_names = sorted(['.zarray', | ||
| '.zattrs', | ||
| '0.0.0', '0.0.1', '0.0.2', '0.0.3', '0.1.0', '0.1.1', '0.1.2', '0.1.3', | ||
| '1.0.0', '1.0.1', '1.0.2', '1.0.3', '1.1.0', '1.1.1', '1.1.2', '1.1.3', | ||
| '2.0.0', '2.0.1', '2.0.2', '2.0.3', '2.1.0', '2.1.1', '2.1.2', '2.1.3']) | ||
| self.assertEqual(expected_file_names, sorted(os.listdir('test.zarr/precipitation'))) | ||
| self.assertEqual(expected_file_names, sorted(os.listdir('test.zarr/temperature'))) | ||
| ds = xr.open_zarr('test.zarr') | ||
| assert_cube(ds) | ||
| self.assertIn('precipitation', ds) | ||
| self.assertEqual((3, 180, 360), ds.precipitation.shape) | ||
| self.assertEqual(('time', 'lat', 'lon'), ds.precipitation.dims) | ||
| self.assertIn('temperature', ds) | ||
| self.assertEqual((3, 180, 360), ds.temperature.shape) | ||
| self.assertEqual(('time', 'lat', 'lon'), ds.temperature.dims) | ||
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| def test_no_dry_run(self): | ||
| result = self.invoke_cli(['prune', self.TEST_CUBE]) | ||
| self.assertEqual(0, result.exit_code) | ||
| self.assertEqual("Opening cube from 'test.zarr'...\n" | ||
| "Identifying empty blocks...\n" | ||
| "Deleting 24 empty block file(s) for variable 'precipitation'...\n" | ||
| "Deleting 24 empty block file(s) for variable 'temperature'...\n" | ||
| "Done, 48 block file(s) deleted.\n", | ||
| result.stdout) | ||
| expected_file_names = sorted(['.zarray', '.zattrs']) | ||
| self.assertEqual(expected_file_names, sorted(os.listdir('test.zarr/precipitation'))) | ||
| self.assertEqual(expected_file_names, sorted(os.listdir('test.zarr/temperature'))) | ||
| ds = xr.open_zarr('test.zarr') | ||
| assert_cube(ds) | ||
| self.assertIn('precipitation', ds) | ||
| self.assertEqual((3, 180, 360), ds.precipitation.shape) | ||
| self.assertEqual(('time', 'lat', 'lon'), ds.precipitation.dims) | ||
| self.assertIn('temperature', ds) | ||
| self.assertEqual((3, 180, 360), ds.temperature.shape) | ||
| self.assertEqual(('time', 'lat', 'lon'), ds.temperature.dims) | ||
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| def test_delete_block_file(self): | ||
| actual_message = None | ||
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| def monitor(message): | ||
| nonlocal actual_message | ||
| actual_message = message | ||
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| actual_message = None | ||
| ok = _delete_block_file(self.TEST_CUBE, 'precipitation', (0, 3, 76), True, monitor=monitor) | ||
| self.assertFalse(ok) | ||
| self.assertEqual(f"error: could neither find block file " | ||
| f"{os.path.join(self.TEST_CUBE, 'precipitation', '0.3.76')} nor " | ||
| f"{os.path.join(self.TEST_CUBE, 'precipitation', '0', '3', '76')}", actual_message) | ||
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| actual_message = None | ||
| ok = _delete_block_file(self.TEST_CUBE, 'precipitation', (1, 1, 0), True, monitor=monitor) | ||
| self.assertTrue(ok) | ||
| self.assertEqual(None, actual_message) | ||
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| actual_message = None | ||
| ok = _delete_block_file(self.TEST_CUBE, 'precipitation', (1, 1, 0), False, monitor=monitor) | ||
| self.assertTrue(ok) | ||
| self.assertEqual(None, actual_message) | ||
| self.assertFalse(os.path.exists(os.path.join(self.TEST_CUBE, 'precipitation', '1.1.0'))) | ||
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| if sys.platform == 'win32': | ||
| path = os.path.join(self.TEST_CUBE, 'precipitation', '1.1.1') | ||
| # Open block, so we cannot delete (Windows only) | ||
| # noinspection PyUnusedLocal | ||
| with open(path, 'wb') as fp: | ||
| actual_message = None | ||
| ok = _delete_block_file(self.TEST_CUBE, 'precipitation', (1, 1, 1), False, monitor=monitor) | ||
| self.assertFalse(ok) | ||
| self.assertIsNotNone(actual_message) | ||
| self.assertTrue(actual_message.startswith(f'error: failed to delete block file {path}: ')) |
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