#!/usr/bin/env python from nose.tools import * from utilities import Todo import mapnik, pickle # Tests that exercise the functionality of Mapnik classes. # ShieldSymbolizer initialization def test_shieldsymbolizer_init(): s = mapnik.ShieldSymbolizer('Field Name', 'DejaVu Sans Bold', 6, mapnik.Color('#000000'), '../data/images/dummy.png', 'png', 16, 16) # ShieldSymbolizer missing image file @raises(RuntimeError) def test_shieldsymbolizer_missing_image(): s = mapnik.ShieldSymbolizer('Field Name', 'DejaVu Sans Bold', 6, mapnik.Color('#000000'), '../data/images/broken.png', 'png', 16, 16) # PointSymbolizer initialization def test_pointsymbolizer_init(): p = mapnik.PointSymbolizer() eq_(p.allow_overlap, False) eq_(p.opacity, 1) # XXX: Waiting on Trac Ticket #114 #eq_(p.width, ) #eq_(p.height, ) #eq_(p.file, ) #eq_(p.type, ) p = mapnik.PointSymbolizer("../data/images/dummy.png", "png", 16, 16) eq_(p.allow_overlap, False) eq_(p.opacity, 1) # XXX: Waiting on Trac Ticket #114 #eq_(p.width, ) #eq_(p.height, ) #eq_(p.file, ) #eq_(p.type, ) # PointSymbolizer missing image file @raises(RuntimeError) def test_pointsymbolizer_missing_image(): p = mapnik.PointSymbolizer("../data/images/broken.png", "png", 16, 16) # PointSymbolizer pickling def test_pointsymbolizer_pickle(): raise Todo("PointSymbolizer does not support pickling yet.") #p = mapnik.PointSymbolizer() #p2 = pickle.loads(pickle.dumps(p,pickle.HIGHEST_PROTOCOL)) #eq_(p2, p) # PolygonSymbolizer initialization def test_polygonsymbolizer_init(): p = mapnik.PolygonSymbolizer() eq_(p.fill, mapnik.Color('gray')) eq_(p.fill_opacity, 1) p = mapnik.PolygonSymbolizer(mapnik.Color('blue')) eq_(p.fill, mapnik.Color('blue')) eq_(p.fill_opacity, 1) # PolygonSymbolizer pickling def test_polygonsymbolizer_pickle(): raise Todo("PolygonSymbolizer does not support pickling yet.") # Stroke initialization def test_stroke_init(): s = mapnik.Stroke() eq_(s.width, 1) eq_(s.opacity, 1) eq_(s.color, mapnik.Color('black')) eq_(s.line_cap, mapnik.line_cap.BUTT_CAP) eq_(s.line_join, mapnik.line_join.MITER_JOIN) s = mapnik.Stroke(mapnik.Color('blue'), 5.0) eq_(s.width, 5) eq_(s.opacity, 1) eq_(s.color, mapnik.Color('blue')) eq_(s.line_cap, mapnik.line_cap.BUTT_CAP) eq_(s.line_join, mapnik.line_join.MITER_JOIN) # Stroke dashes def test_stroke_dash_arrays(): s = mapnik.Stroke() s.add_dash(1,2) s.add_dash(3,4) s.add_dash(5,6) eq_(s.get_dashes(), [(1,2),(3,4),(5,6)]) # Stroke pickling def test_stroke_pickle(): s = mapnik.Stroke(mapnik.Color('black'),4.5) eq_(s.width, 4.5) eq_(s.color, mapnik.Color('black')) s.add_dash(1,2) s.add_dash(3,4) s.add_dash(5,6) s2 = pickle.loads(pickle.dumps(s,pickle.HIGHEST_PROTOCOL)) eq_(s.width, s2.width) eq_(s.get_dashes(), s2.get_dashes()) eq_(s.line_cap, s2.line_cap) eq_(s.line_join, s2.line_join) eq_(s.opacity, s2.opacity) # LineSymbolizer initialization def test_linesymbolizer_init(): l = mapnik.LineSymbolizer() eq_(l.stroke.width, 1) eq_(l.stroke.opacity, 1) eq_(l.stroke.color, mapnik.Color('black')) eq_(l.stroke.line_cap, mapnik.line_cap.BUTT_CAP) eq_(l.stroke.line_join, mapnik.line_join.MITER_JOIN) l = mapnik.LineSymbolizer(mapnik.Color('blue'), 5.0) eq_(l.stroke.width, 5) eq_(l.stroke.opacity, 1) eq_(l.stroke.color, mapnik.Color('blue')) eq_(l.stroke.line_cap, mapnik.line_cap.BUTT_CAP) eq_(l.stroke.line_join, mapnik.line_join.MITER_JOIN) s = mapnik.Stroke(mapnik.Color('blue'), 5.0) l = mapnik.LineSymbolizer(s) eq_(l.stroke.width, 5) eq_(l.stroke.opacity, 1) eq_(l.stroke.color, mapnik.Color('blue')) eq_(l.stroke.line_cap, mapnik.line_cap.BUTT_CAP) eq_(l.stroke.line_join, mapnik.line_join.MITER_JOIN) # LineSymbolizer pickling def test_linesymbolizer_pickle(): raise Todo("LinesSymbolizer does not support pickling yet.") # Shapefile initialization def test_shapefile_init(): s = mapnik.Shapefile(file='../../demo/data/boundaries') e = s.envelope() assert_almost_equal(e.minx, -11121.6896651, places=7) assert_almost_equal(e.miny, -724724.216526, places=6) assert_almost_equal(e.maxx, 2463000.67866, places=5) assert_almost_equal(e.maxy, 1649661.267, places=3) # Shapefile properties def test_shapefile_properties(): s = mapnik.Shapefile(file='../../demo/data/boundaries') f = s.features_at_point(s.envelope().center()).features[0] eq_(f.properties['CGNS_FID'], u'6f733341ba2011d892e2080020a0f4c9') eq_(f.properties['COUNTRY'], u'CAN') eq_(f.properties['F_CODE'], u'FA001') eq_(f.properties['NAME_EN'], u'Quebec') eq_(f.properties['NOM_FR'], u'Qu\x1abec') eq_(f.properties['Shape_Area'], 1512185733150.0) eq_(f.properties['Shape_Leng'], 19218883.724300001) # TextSymbolizer initialization def test_textsymbolizer_init(): ts = mapnik.TextSymbolizer('Field Name', 'Font Name', 8, mapnik.Color('black')) eq_(ts.name, 'Field Name') eq_(ts.face_name, 'Font Name') eq_(ts.text_size, 8) eq_(ts.fill, mapnik.Color('black')) # TextSymbolizer pickling def test_textsymbolizer_pickle(): ts = mapnik.TextSymbolizer('Field Name', 'Font Name', 8, mapnik.Color('black')) eq_(ts.name, 'Field Name') eq_(ts.face_name, 'Font Name') eq_(ts.text_size, 8) eq_(ts.fill, mapnik.Color('black')) raise Todo("FontSet pickling support needed: http://trac.mapnik.org/ticket/348") ts2 = pickle.loads(pickle.dumps(ts,pickle.HIGHEST_PROTOCOL)) eq_(ts.name, ts2.name) eq_(ts.face_name, ts2.face_name) eq_(ts.allow_overlap, ts2.allow_overlap) eq_(ts.get_displacement(), ts2.get_displacement()) eq_(ts.get_anchor(), ts2.get_anchor()) eq_(ts.fill, ts2.fill) eq_(ts.force_odd_labels, ts2.force_odd_labels) eq_(ts.halo_fill, ts2.halo_fill) eq_(ts.halo_radius, ts2.halo_radius) eq_(ts.label_placement, ts2.label_placement) eq_(ts.minimum_distance, ts2.minimum_distance) eq_(ts.text_ratio, ts2.text_ratio) eq_(ts.text_size, ts2.text_size) eq_(ts.wrap_width, ts2.wrap_width) eq_(ts.vertical_alignment, ts2.vertical_alignment) eq_(ts.label_spacing, ts2.label_spacing) eq_(ts.label_position_tolerance, ts2.label_position_tolerance) eq_(ts.fontset, ts2.fontset) # Map initialization def test_map_init(): m = mapnik.Map(256, 256) eq_(m.width, 256) eq_(m.height, 256) eq_(m.srs, '+proj=latlong +datum=WGS84') m = mapnik.Map(256, 256, '+proj=latlong') eq_(m.width, 256) eq_(m.height, 256) eq_(m.srs, '+proj=latlong') # Map initialization from string # Trac Ticket #99 def test_map_init_from_string(): map_string = ''' My Style shape ../../demo/data/boundaries ''' m = mapnik.Map(600, 300) # TODO: Test some properties here mapnik.load_map_from_string(m, map_string) mapnik.load_map_from_string(m, map_string, True) # Map pickling def test_map_pickle(): # Fails due to scale() not matching, possibly other things raise(Todo("Map does not support pickling yet (Tickets #167, #233).")) m = mapnik.Map(256, 256) eq_(pickle.loads(pickle.dumps(m)), m) m = mapnik.Map(256, 256, '+proj=latlong') eq_(pickle.loads(pickle.dumps(m)), m) # Color initialization def test_color_init(): c = mapnik.Color('blue') eq_(c.a, 255) eq_(c.r, 0) eq_(c.g, 0) eq_(c.b, 255) eq_(c.to_hex_string(), '#0000ff') c = mapnik.Color('#f2eff9') eq_(c.a, 255) eq_(c.r, 242) eq_(c.g, 239) eq_(c.b, 249) eq_(c.to_hex_string(), '#f2eff9') c = mapnik.Color('rgb(50%,50%,50%)') eq_(c.a, 255) eq_(c.r, 128) eq_(c.g, 128) eq_(c.b, 128) eq_(c.to_hex_string(), '#808080') c = mapnik.Color(0, 64, 128) eq_(c.a, 255) eq_(c.r, 0) eq_(c.g, 64) eq_(c.b, 128) eq_(c.to_hex_string(), '#004080') c = mapnik.Color(0, 64, 128, 192) eq_(c.a, 192) eq_(c.r, 0) eq_(c.g, 64) eq_(c.b, 128) eq_(c.to_hex_string(), '#004080') # Color equality def test_color_equality(): c1 = mapnik.Color('blue') c2 = mapnik.Color('blue') c3 = mapnik.Color('black') c3.r = 0 c3.g = 0 c3.b = 255 c3.a = 255 eq_(c1, c2) eq_(c1, c3) c1 = mapnik.Color(0, 64, 128) c2 = mapnik.Color(0, 64, 128) c3 = mapnik.Color(0, 0, 0) c3.r = 0 c3.g = 64 c3.b = 128 eq_(c1, c2) eq_(c1, c3) c1 = mapnik.Color(0, 64, 128, 192) c2 = mapnik.Color(0, 64, 128, 192) c3 = mapnik.Color(0, 0, 0, 255) c3.r = 0 c3.g = 64 c3.b = 128 c3.a = 192 eq_(c1, c2) eq_(c1, c3) c1 = mapnik.Color('rgb(50%,50%,50%)') c2 = mapnik.Color(128, 128, 128, 255) c3 = mapnik.Color('#808080') c4 = mapnik.Color('gray') eq_(c1, c2) eq_(c1, c3) eq_(c1, c4) # Color pickling def test_color_pickle(): c = mapnik.Color('blue') eq_(pickle.loads(pickle.dumps(c)), c) c = mapnik.Color(0, 64, 128) eq_(pickle.loads(pickle.dumps(c)), c) c = mapnik.Color(0, 64, 128, 192) eq_(pickle.loads(pickle.dumps(c)), c) # Rule initialization def test_rule_init(): min_scale = 5 max_scale = 10 r = mapnik.Rule() eq_(r.name, '') eq_(r.title, '') eq_(r.min_scale, 0) eq_(r.max_scale, float('inf')) r = mapnik.Rule("Name") eq_(r.name, 'Name') eq_(r.title, '') eq_(r.min_scale, 0) eq_(r.max_scale, float('inf')) r = mapnik.Rule("Name", "Title") eq_(r.name, 'Name') eq_(r.title, 'Title') eq_(r.min_scale, 0) eq_(r.max_scale, float('inf')) r = mapnik.Rule("Name", "Title", min_scale) eq_(r.name, 'Name') eq_(r.title, 'Title') eq_(r.min_scale, min_scale) eq_(r.max_scale, float('inf')) r = mapnik.Rule("Name", "Title", min_scale, max_scale) eq_(r.name, 'Name') eq_(r.title, 'Title') eq_(r.min_scale, min_scale) eq_(r.max_scale, max_scale) # Coordinate initialization def test_coord_init(): c = mapnik.Coord(100, 100) eq_(c.x, 100) eq_(c.y, 100) # Coordinate multiplication def test_coord_multiplication(): c = mapnik.Coord(100, 100) c *= 2 eq_(c.x, 200) eq_(c.y, 200) # Envelope initialization def test_envelope_init(): e = mapnik.Envelope(100, 100, 200, 200) assert_true(e.contains(100, 100)) assert_true(e.contains(100, 200)) assert_true(e.contains(200, 200)) assert_true(e.contains(200, 100)) assert_true(e.contains(e.center())) assert_false(e.contains(99.9, 99.9)) assert_false(e.contains(99.9, 200.1)) assert_false(e.contains(200.1, 200.1)) assert_false(e.contains(200.1, 99.9)) eq_(e.width(), 100) eq_(e.height(), 100) eq_(e.minx, 100) eq_(e.miny, 100) eq_(e.maxx, 200) eq_(e.maxy, 200) c = e.center() eq_(c.x, 150) eq_(c.y, 150) # Envelope pickling def test_envelope_pickle(): e = mapnik.Envelope(100, 100, 200, 200) eq_(pickle.loads(pickle.dumps(e)), e) # Envelope multiplication def test_envelope_multiplication(): e = mapnik.Envelope(100, 100, 200, 200) e *= 2 assert_true(e.contains(50, 50)) assert_true(e.contains(50, 250)) assert_true(e.contains(250, 250)) assert_true(e.contains(250, 50)) assert_false(e.contains(49.9, 49.9)) assert_false(e.contains(49.9, 250.1)) assert_false(e.contains(250.1, 250.1)) assert_false(e.contains(250.1, 49.9)) assert_true(e.contains(e.center())) eq_(e.width(), 200) eq_(e.height(), 200) eq_(e.minx, 50) eq_(e.miny, 50) eq_(e.maxx, 250) eq_(e.maxy, 250) c = e.center() eq_(c.x, 150) eq_(c.y, 150)