107 lines
4 KiB
Python
107 lines
4 KiB
Python
#!/usr/bin/env python
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from nose.tools import *
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from utilities import execution_path
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import os, mapnik
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def setup():
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# All of the paths used are relative, if we run the tests
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# from another directory we need to chdir()
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os.chdir(execution_path('.'))
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# map has no layers
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@raises(IndexError)
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def test_map_query_throw1():
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m = mapnik.Map(256,256)
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m.zoom_to_box(mapnik.Box2d(-1,-1,0,0))
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m.query_point(0,0,0)
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# only positive indexes
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@raises(IndexError)
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def test_map_query_throw2():
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m = mapnik.Map(256,256)
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m.query_point(-1,0,0)
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# map has never been zoomed (nodata)
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@raises(RuntimeError)
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def test_map_query_throw3():
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m = mapnik.Map(256,256)
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m.query_point(0,0,0)
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if 'shape' in mapnik.DatasourceCache.plugin_names():
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# map has never been zoomed (even with data)
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@raises(RuntimeError)
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def test_map_query_throw4():
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m = mapnik.Map(256,256)
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mapnik.load_map(m,'../data/good_maps/agg_poly_gamma_map.xml')
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m.query_point(0,0,0)
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# invalid coords in general (do not intersect)
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@raises(RuntimeError)
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def test_map_query_throw5():
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m = mapnik.Map(256,256)
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mapnik.load_map(m,'../data/good_maps/agg_poly_gamma_map.xml')
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m.zoom_all()
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m.query_point(0,9999999999999999,9999999999999999)
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# invalid coords for back projecting
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@raises(RuntimeError)
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def test_map_query_throw6():
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m = mapnik.Map(256,256)
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mapnik.load_map(m,'../data/good_maps/merc2wgs84_reprojection.xml')
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wgs84_bounds = mapnik.Box2d(-180,-90,180,90)
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m.maximum_extent = wgs84_bounds
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m.zoom_all()
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m.query_point(0,-180,-90)
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def test_map_query_works1():
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m = mapnik.Map(256,256)
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mapnik.load_map(m,'../data/good_maps/wgs842merc_reprojection.xml')
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merc_bounds = mapnik.Box2d(-20037508.34,-20037508.34,20037508.34,20037508.34)
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m.maximum_extent = merc_bounds
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m.zoom_all()
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fs = m.query_point(0,-11012435.5376, 4599674.6134) # somewhere in kansas
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feat = fs.next()
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eq_(feat.attributes['NAME_FORMA'],u'United States of America')
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def test_map_query_works2():
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m = mapnik.Map(256,256)
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mapnik.load_map(m,'../data/good_maps/merc2wgs84_reprojection.xml')
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wgs84_bounds = mapnik.Box2d(-179.999999975,-85.0511287776,179.999999975,85.0511287776)
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m.maximum_extent = wgs84_bounds
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# caution - will go square due to evil aspect_fix_mode backhandedness
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m.zoom_all()
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#mapnik.render_to_file(m,'works2.png')
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# validate that aspect_fix_mode modified the bbox reasonably
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eq_(str(m.envelope()),str(mapnik.Box2d(-179.999999975,-167.951396161,179.999999975,192.048603789)))
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fs = m.query_point(0,-98.9264, 38.1432) # somewhere in kansas
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feat = fs.next()
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eq_(feat.attributes['NAME'],u'United States')
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def test_map_query_in_pixels_works1():
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m = mapnik.Map(256,256)
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mapnik.load_map(m,'../data/good_maps/wgs842merc_reprojection.xml')
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merc_bounds = mapnik.Box2d(-20037508.34,-20037508.34,20037508.34,20037508.34)
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m.maximum_extent = merc_bounds
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m.zoom_all()
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fs = m.query_map_point(0,55,100) # somewhere in middle of us
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feat = fs.next()
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eq_(feat.attributes['NAME_FORMA'],u'United States of America')
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def test_map_query_in_pixels_works2():
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m = mapnik.Map(256,256)
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mapnik.load_map(m,'../data/good_maps/merc2wgs84_reprojection.xml')
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wgs84_bounds = mapnik.Box2d(-179.999999975,-85.0511287776,179.999999975,85.0511287776)
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m.maximum_extent = wgs84_bounds
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# caution - will go square due to evil aspect_fix_mode backhandedness
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m.zoom_all()
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# validate that aspect_fix_mode modified the bbox reasonably
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eq_(str(m.envelope()),str(mapnik.Box2d(-179.999999975,-167.951396161,179.999999975,192.048603789)))
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fs = m.query_map_point(0,55,100) # somewhere in Canada
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feat = fs.next()
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eq_(feat.attributes['NAME'],u'Canada')
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if __name__ == "__main__":
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setup()
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[eval(run)() for run in dir() if 'test_' in run]
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