250 lines
5.6 KiB
Python
250 lines
5.6 KiB
Python
#!/usr/bin/env python
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from nose.tools import *
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from utilities import Todo
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import mapnik, pickle
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# Tests that exercise the functionality of Mapnik classes.
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# Shapefile initialization
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def test_shapefile_init():
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s = mapnik.Shapefile(file='../../demo/data/boundaries', encoding='latin1')
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e = s.envelope()
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assert_almost_equal(e.minx, -11121.6896651, places=7)
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assert_almost_equal(e.miny, -724724.216526, places=6)
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assert_almost_equal(e.maxx, 2463000.67866, places=5)
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assert_almost_equal(e.maxy, 1649661.267, places=3)
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# TextSymbolizer initialization
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def test_textsymbolizer_init():
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ts = mapnik.TextSymbolizer('Name', 'Font Name', 8, mapnik.Color('black'))
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eq_(ts.name, 'Name')
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eq_(ts.face_name, 'Font Name')
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eq_(ts.text_size, 8)
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eq_(ts.fill, mapnik.Color('black'))
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# Map initialization
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def test_map_init():
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m = mapnik.Map(256, 256)
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eq_(m.width, 256)
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eq_(m.height, 256)
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eq_(m.srs, '+proj=latlong +datum=WGS84')
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m = mapnik.Map(256, 256, '+proj=latlong')
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eq_(m.width, 256)
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eq_(m.height, 256)
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eq_(m.srs, '+proj=latlong')
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# Map initialization from string
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# Trac Ticket #99
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def test_map_init_from_string():
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map_string = '''<Map bgcolor="steelblue" srs="+proj=latlong +datum=WGS84">
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<Style name="My Style">
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<Rule>
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<PolygonSymbolizer>
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<CssParameter name="fill">#f2eff9</CssParameter>
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</PolygonSymbolizer>
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<LineSymbolizer>
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<CssParameter name="stroke">rgb(50%,50%,50%)</CssParameter>
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<CssParameter name="stroke-width">0.1</CssParameter>
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</LineSymbolizer>
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</Rule>
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</Style>
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<Layer name="boundaries">
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<StyleName>My Style</StyleName>
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<Datasource>
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<Parameter name="type">shape</Parameter>
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<Parameter name="file">../../demo/data/boundaries</Parameter>
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</Datasource>
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</Layer>
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</Map>'''
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m = mapnik.Map(600, 300)
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# TODO: Test some properties here
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mapnik.load_map_from_string(m, map_string)
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mapnik.load_map_from_string(m, map_string, True)
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# Map pickling
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def test_map_pickle():
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# Fails due to scale() not matching, possibly other things
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raise(Todo("Not implemented yet (Tickets #167, #233)."))
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m = mapnik.Map(256, 256)
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eq_(pickle.loads(pickle.dumps(m)), m)
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m = mapnik.Map(256, 256, '+proj=latlong')
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eq_(pickle.loads(pickle.dumps(m)), m)
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# Color initialization
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def test_color_init():
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c = mapnik.Color('blue')
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eq_(c.a, 255)
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eq_(c.r, 0)
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eq_(c.g, 0)
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eq_(c.b, 255)
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eq_(c.to_hex_string(), '#0000ff')
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c = mapnik.Color(0, 64, 128)
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eq_(c.a, 255)
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eq_(c.r, 0)
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eq_(c.g, 64)
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eq_(c.b, 128)
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eq_(c.to_hex_string(), '#004080')
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c = mapnik.Color(0, 64, 128, 192)
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eq_(c.a, 192)
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eq_(c.r, 0)
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eq_(c.g, 64)
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eq_(c.b, 128)
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eq_(c.to_hex_string(), '#004080')
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# Color pickling
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def test_color_pickle():
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c = mapnik.Color('blue')
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eq_(pickle.loads(pickle.dumps(c)), c)
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c = mapnik.Color(0, 64, 128)
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eq_(pickle.loads(pickle.dumps(c)), c)
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c = mapnik.Color(0, 64, 128, 192)
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eq_(pickle.loads(pickle.dumps(c)), c)
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# Rule initialization
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def test_rule_init():
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min_scale = 5
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max_scale = 10
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r = mapnik.Rule()
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eq_(r.name, '')
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eq_(r.title, '')
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eq_(r.min_scale, 0)
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eq_(r.max_scale, float('inf'))
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r = mapnik.Rule("Name")
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eq_(r.name, 'Name')
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eq_(r.title, '')
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eq_(r.min_scale, 0)
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eq_(r.max_scale, float('inf'))
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r = mapnik.Rule("Name", "Title")
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eq_(r.name, 'Name')
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eq_(r.title, 'Title')
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eq_(r.min_scale, 0)
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eq_(r.max_scale, float('inf'))
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r = mapnik.Rule("Name", "Title", min_scale)
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eq_(r.name, 'Name')
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eq_(r.title, 'Title')
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eq_(r.min_scale, min_scale)
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eq_(r.max_scale, float('inf'))
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r = mapnik.Rule("Name", "Title", min_scale, max_scale)
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eq_(r.name, 'Name')
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eq_(r.title, 'Title')
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eq_(r.min_scale, min_scale)
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eq_(r.max_scale, max_scale)
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# Coordinate initialization
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def test_coord_init():
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c = mapnik.Coord(100, 100)
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eq_(c.x, 100)
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eq_(c.y, 100)
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# Coordinate multiplication
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def test_coord_multiplication():
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c = mapnik.Coord(100, 100)
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c *= 2
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eq_(c.x, 200)
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eq_(c.y, 200)
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# Envelope initialization
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def test_envelope_init():
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e = mapnik.Envelope(100, 100, 200, 200)
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assert_true(e.contains(100, 100))
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assert_true(e.contains(100, 200))
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assert_true(e.contains(200, 200))
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assert_true(e.contains(200, 100))
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assert_true(e.contains(e.center()))
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assert_false(e.contains(99.9, 99.9))
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assert_false(e.contains(99.9, 200.1))
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assert_false(e.contains(200.1, 200.1))
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assert_false(e.contains(200.1, 99.9))
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eq_(e.width(), 100)
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eq_(e.height(), 100)
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eq_(e.minx, 100)
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eq_(e.miny, 100)
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eq_(e.maxx, 200)
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eq_(e.maxy, 200)
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c = e.center()
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eq_(c.x, 150)
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eq_(c.y, 150)
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# Envelope pickling
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def test_envelope_pickle():
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e = mapnik.Envelope(100, 100, 200, 200)
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eq_(pickle.loads(pickle.dumps(e)), e)
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# Envelope multiplication
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def test_envelope_multiplication():
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e = mapnik.Envelope(100, 100, 200, 200)
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e *= 2
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assert_true(e.contains(50, 50))
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assert_true(e.contains(50, 250))
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assert_true(e.contains(250, 250))
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assert_true(e.contains(250, 50))
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assert_false(e.contains(49.9, 49.9))
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assert_false(e.contains(49.9, 250.1))
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assert_false(e.contains(250.1, 250.1))
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assert_false(e.contains(250.1, 49.9))
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assert_true(e.contains(e.center()))
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eq_(e.width(), 200)
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eq_(e.height(), 200)
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eq_(e.minx, 50)
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eq_(e.miny, 50)
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eq_(e.maxx, 250)
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eq_(e.maxy, 250)
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c = e.center()
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eq_(c.x, 150)
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eq_(c.y, 150)
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