92 lines
3.9 KiB
Python
92 lines
3.9 KiB
Python
#coding=utf8
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import os
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import mapnik
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from utilities import execution_path, run_all
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from nose.tools import *
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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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if 'shape' in mapnik.DatasourceCache.plugin_names():
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#@raises(RuntimeError)
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def test_zoom_all_will_fail():
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m = mapnik.Map(512,512)
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mapnik.load_map(m,'../data/good_maps/wgs842merc_reprojection.xml')
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m.zoom_all()
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def test_zoom_all_will_work_with_max_extent():
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m = mapnik.Map(512,512)
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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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# note - fixAspectRatio is being called, then re-clipping to maxextent
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# which makes this hard to predict
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#eq_(m.envelope(),merc_bounds)
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#m = mapnik.Map(512,512)
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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.zoom_to_box(merc_bounds)
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#eq_(m.envelope(),merc_bounds)
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def test_visual_zoom_all_rendering1():
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m = mapnik.Map(512,512)
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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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im = mapnik.Image(512,512)
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mapnik.render(m,im)
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actual = '/tmp/mapnik-wgs842merc-reprojection-render.png'
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expected = 'images/support/mapnik-wgs842merc-reprojection-render.png'
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im.save(actual,'png32')
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expected_im = mapnik.Image.open(expected)
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eq_(im.tostring('png32'),expected_im.tostring('png32'), 'failed comparing actual (%s) and expected (%s)' % (actual,'tests/python_tests/'+ expected))
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def test_visual_zoom_all_rendering2():
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m = mapnik.Map(512,512)
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mapnik.load_map(m,'../data/good_maps/merc2wgs84_reprojection.xml')
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m.zoom_all()
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im = mapnik.Image(512,512)
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mapnik.render(m,im)
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actual = '/tmp/mapnik-merc2wgs84-reprojection-render.png'
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expected = 'images/support/mapnik-merc2wgs84-reprojection-render.png'
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im.save(actual,'png32')
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expected_im = mapnik.Image.open(expected)
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eq_(im.tostring('png32'),expected_im.tostring('png32'), 'failed comparing actual (%s) and expected (%s)' % (actual,'tests/python_tests/'+ expected))
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# maximum-extent read from map.xml
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def test_visual_zoom_all_rendering3():
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m = mapnik.Map(512,512)
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mapnik.load_map(m,'../data/good_maps/bounds_clipping.xml')
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m.zoom_all()
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im = mapnik.Image(512,512)
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mapnik.render(m,im)
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actual = '/tmp/mapnik-merc2merc-reprojection-render1.png'
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expected = 'images/support/mapnik-merc2merc-reprojection-render1.png'
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im.save(actual,'png32')
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expected_im = mapnik.Image.open(expected)
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eq_(im.tostring('png32'),expected_im.tostring('png32'), 'failed comparing actual (%s) and expected (%s)' % (actual,'tests/python_tests/'+ expected))
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# no maximum-extent
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def test_visual_zoom_all_rendering4():
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m = mapnik.Map(512,512)
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mapnik.load_map(m,'../data/good_maps/bounds_clipping.xml')
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m.maximum_extent = None
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m.zoom_all()
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im = mapnik.Image(512,512)
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mapnik.render(m,im)
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actual = '/tmp/mapnik-merc2merc-reprojection-render2.png'
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expected = 'images/support/mapnik-merc2merc-reprojection-render2.png'
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im.save(actual,'png32')
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expected_im = mapnik.Image.open(expected)
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eq_(im.tostring('png32'),expected_im.tostring('png32'), 'failed comparing actual (%s) and expected (%s)' % (actual,'tests/python_tests/'+ expected))
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if __name__ == "__main__":
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setup()
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exit(run_all(eval(x) for x in dir() if x.startswith("test_")))
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