def test_run(self):
mb = MBTilesBuilder(filepath='big.mbtiles')
self.assertRaises(EmptyCoverageError, mb.run)
mb.add_coverage(bbox=(-180.0, -90.0, 180.0, 90.0), zoomlevels=[0, 1])
mb.run()
self.assertEqual(mb.nbtiles, 5)
# Test from other mbtiles
mb2 = MBTilesBuilder(filepath='small.mbtiles', mbtiles_file=mb.filepath, cache=False)
mb2.add_coverage(bbox=(-180.0, -90.0, 180.0, 90.0), zoomlevels=[1])
mb2.run()
self.assertEqual(mb2.nbtiles, 4)
mb.clean(full=True)
mb2.clean(full=True)
def test_exportimage(self):
from PIL import Image
output = "image.png"
ie = ImageExporter()
ie.export_image((-180.0, -90.0, 180.0, 90.0), 2, output)
i = Image.open(output)
self.assertEqual((1024, 1024), i.size)
os.remove(output)
# Test from other mbtiles
mb = MBTilesBuilder(filepath='toulouse.mbtiles')
mb.add_coverage(bbox=(1.3, 43.5, 1.6, 43.7), zoomlevels=[12])
mb.run()
ie = ImageExporter(mbtiles_file=mb.filepath)
ie.export_image((1.3, 43.5, 1.6, 43.7), 12, output)
mb.clean(full=True)
i = Image.open(output)
self.assertEqual((1280, 1024), i.size)
os.remove(output)
def test_clean(self):
mb = MBTilesBuilder()
# Missing file
self.assertEqual(mb.filepath, os.path.join(os.getcwd(), 'tiles.mbtiles'))
self.assertFalse(os.path.exists(mb.filepath))
mb.clean()
# Empty file
open(mb.filepath, 'w').close()
self.assertTrue(os.path.exists(mb.filepath))
mb.clean()
self.assertTrue(os.path.exists(mb.filepath))
mb.clean(full=True)
self.assertFalse(os.path.exists(mb.filepath))