Coverage for gws-app/gws/lib/gml/_test/parser_test.py: 100%

1"""Tests for the parser module""" 

2 

3import gws 

4import gws.lib.crs 

5import gws.lib.gml.parser as parser 

6import gws.test.util as u 

7import gws.lib.xmlx 

8 

9 

10def test_parse_envelope_wgs(): 

11 box = gws.lib.xmlx.from_string(""" 

12 <root xmlns:gml="http://www.opengis.net/gml"> 

13 <gml:Box> 

14 <gml:coordinates>1,2 3,4</gml:coordinates> 

15 </gml:Box> 

16 </root> 

17 """) 

18 wgs = gws.lib.crs.WGS84 

19 p = parser.parse_envelope(box.findfirst(), wgs, False) 

20 assert p.crs == wgs 

21 assert p.extent == (2.0, 1.0, 4.0, 3.0) 

22 

23 

24def test_parse_envelope(): 

25 box = gws.lib.xmlx.from_string(""" 

26 <root xmlns:gml="http://www.opengis.net/gml"> 

27 <gml:Box srsName="EPSG:3857"> 

28 <gml:coordinates>1,2 3,4</gml:coordinates> 

29 </gml:Box> 

30 </root> 

31 """) 

32 wm = gws.lib.crs.WEBMERCATOR 

33 p = parser.parse_envelope(box.findfirst()) 

34 assert p.crs == wm 

35 assert p.extent == (1.0, 2.0, 3.0, 4.0) 

36 

37 

38def test_parse_envelope_always_xy(): 

39 box = gws.lib.xmlx.from_string(""" 

40 <root xmlns:gml="http://www.opengis.net/gml"> 

41 <gml:Envelope srsDimension="2"> 

42 <gml:lowerCorner>1 2</gml:lowerCorner> 

43 <gml:upperCorner>3 4</gml:upperCorner> 

44 </gml:Envelope> 

45 </root> 

46 """) 

47 wgs = gws.lib.crs.WGS84 

48 

49 p = parser.parse_envelope(box.findfirst(), wgs) 

50 assert p.crs == wgs 

51 assert p.extent == (2.0, 1.0, 4.0, 3.0) 

52 

53 

54def test_parse_envelope_gml3(): 

55 box = gws.lib.xmlx.from_string(""" 

56 <root xmlns:gml="http://www.opengis.net/gml"> 

57 <gml:Envelope srsDimension="2" srsName="EPSG:3857"> 

58 <gml:lowerCorner>1 2</gml:lowerCorner> 

59 <gml:upperCorner>3 4</gml:upperCorner> 

60 </gml:Envelope> 

61 </root> 

62 """) 

63 wm = gws.lib.crs.WEBMERCATOR 

64 p = parser.parse_envelope(box.findfirst()) 

65 assert p.crs == wm 

66 assert p.extent == (1.0, 2.0, 3.0, 4.0) 

67 

68 

69def test_parse_envelope_no_crs(): 

70 box = gws.lib.xmlx.from_string(""" 

71 <root xmlns:gml="http://www.opengis.net/gml"> 

72 <gml:Box> 

73 <gml:coordinates>1,2 3,4</gml:coordinates> 

74 </gml:Box> 

75 </root> 

76 """) 

77 with u.raises(Exception): 

78 parser.parse_envelope(box.findfirst()) 

79 

80 

81def test_parse_envelope_no_envelope(): 

82 box = gws.lib.xmlx.from_string(""" 

83 <root xmlns:gml="http://www.opengis.net/gml"> 

84 <gml:Foo srsName="EPSG:3857"> 

85 <gml:coordinates>1,2 3,4</gml:coordinates> 

86 </gml:Foo> 

87 </root> 

88 """) 

89 with u.raises(Exception): 

90 parser.parse_envelope(box.findfirst()) 

91 

92 

93def test_is_geometry_element(): 

94 element = gws.lib.xmlx.from_string(""" 

95 <root xmlns:gml="http://www.opengis.net/gml"> 

96 <gml:Point> 

97 <gml:coordinates>100,200</gml:coordinates> 

98 </gml:Point> 

99 </root> 

100 """) 

101 assert parser.is_geometry_element(element.findfirst()) 

102 

103 

104def test_is_not_geometry_element(): 

105 element = gws.lib.xmlx.from_string(""" 

106 <root xmlns:gml="http://www.opengis.net/gml"> 

107 <gml:point> 

108 <gml:coordinates>100,200</gml:coordinates> 

109 </gml:point> 

110 </root> 

111 """) 

112 assert not parser.is_geometry_element(element) 

113 

114 

115########## 

116def test_parse_shape(): 

117 shape = gws.lib.xmlx.from_string(""" 

118 <root xmlns:gml="http://www.opengis.net/gml"> 

119 <gml:Point srsName="EPSG:3857"> 

120 <gml:coordinates>100,200</gml:coordinates> 

121 </gml:Point> 

122 </root> 

123 """) 

124 p = parser.parse_shape(shape.findfirst()) 

125 assert p.x == 100 and p.y == 200 

126 

127 

128def test_parse_shape_no_crs(): 

129 shape = gws.lib.xmlx.from_string(""" 

130 <root xmlns:gml="http://www.opengis.net/gml"> 

131 <gml:Point> 

132 <gml:coordinates>100,200</gml:coordinates> 

133 </gml:Point> 

134 </root> 

135 """) 

136 with u.raises(Exception): 

137 parser.parse_shape(shape.findfirst()) 

138 

139 

140def test_parse_shape_wgs(): 

141 shape = gws.lib.xmlx.from_string(""" 

142 <root xmlns:gml="http://www.opengis.net/gml"> 

143 <gml:Point> 

144 <gml:coordinates>100,200</gml:coordinates> 

145 </gml:Point> 

146 </root> 

147 """) 

148 wgs = gws.lib.crs.WGS84 

149 p = parser.parse_shape(shape.findfirst(), wgs) 

150 assert p.x == 200 and p.y == 100 

151 

152 

153def test_parse_shape_always_xy(): 

154 shape = gws.lib.xmlx.from_string(""" 

155 <root xmlns:gml="http://www.opengis.net/gml"> 

156 <gml:Point> 

157 <gml:coordinates>100,200</gml:coordinates> 

158 </gml:Point> 

159 </root> 

160 """) 

161 wgs = gws.lib.crs.WGS84 

162 p = parser.parse_shape(shape.findfirst(), wgs, always_xy=True) 

163 assert p.x == 100 and p.y == 200 

164 

165 

166def test_parse_geometry(): 

167 shape = gws.lib.xmlx.from_string(""" 

168 <root xmlns:gml="http://www.opengis.net/gml"> 

169 <gml:Polygon> 

170 <gml:outerBoundaryIs> 

171 <gml:LinearRing> 

172 <gml:coordinates>0,0 100,0 100,100 0,100 0,0</gml:coordinates> 

173 </gml:LinearRing> 

174 </gml:outerBoundaryIs> 

175 </gml:Polygon> 

176 </root> 

177 """) 

178 assert parser.parse_geometry(shape.findfirst()) == { 

179 'coordinates': [ 

180 [[0.0, 0.0], [100.0, 0.0], [100.0, 100.0], [0.0, 100.0], [0.0, 0.0]], 

181 ], 

182 'type': 'Polygon', 

183 } 

184 

185 

186def test_parse_geometry_unknown_type(): 

187 shape = gws.lib.xmlx.from_string(""" 

188 <root xmlns:gml="http://www.opengis.net/gml"> 

189 <gml:Points> 

190 <gml:pointMember> 

191 <gml:Point> 

192 <gml:coordinates>100.0, 0.0</gml:coordinates> 

193 </gml:Point> 

194 </gml:pointMember> 

195 <gml:pointMember> 

196 <gml:Point> 

197 <gml:coordinates>101.0, 1.0</gml:coordinates> 

198 </gml:Point> 

199 </gml:pointMember> 

200 </gml:Points> 

201 </root> 

202 """) 

203 with u.raises(Exception): 

204 parser.parse_geometry(shape.findfirst())