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Add unit test for color interpolation where colors are expressions
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@mhugent
mhugent committed Sep 10, 2021
1 parent a278e38 commit fb51c85
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37 changes: 37 additions & 0 deletions tests/src/python/test_qgsmapboxglconverter.py
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Expand Up @@ -78,6 +78,43 @@ def testParseInterpolateColorByZoom(self):
'CASE WHEN @vector_tile_zoom >= 0 AND @vector_tile_zoom < 150 THEN color_hsla(scale_exp(@vector_tile_zoom,0,150,59,352,2), scale_exp(@vector_tile_zoom,0,150,81,59,2), scale_exp(@vector_tile_zoom,0,150,70,44,2), 255) WHEN @vector_tile_zoom >= 150 AND @vector_tile_zoom < 250 THEN color_hsla(scale_exp(@vector_tile_zoom,150,250,352,0,2), scale_exp(@vector_tile_zoom,150,250,59,72,2), scale_exp(@vector_tile_zoom,150,250,44,63,2), 255) WHEN @vector_tile_zoom >= 250 THEN color_hsla(0, 72, 63, 255) ELSE color_hsla(0, 72, 63, 255) END')
self.assertEqual(default_col.name(), '#f1f075')

#test parseInterpolateColorByZoom if colors are expressios
props, default_col = QgsMapBoxGlStyleConverter.parseInterpolateColorByZoom({'base': 1,
"stops": [["9",
[
"match",
[
"get",
"class"
],
[
"motorway",
"trunk"
],
"rgb(255,230,160)",
"rgb(255,255,255)"
]
],
[
"15",
[
"match",
[
"get",
"class"
],
[
"motorway",
"trunk"
],
"rgb(255, 224, 138)",
"rgb(255,255,255)"
]
]
]
}, conversion_context)
self.assertEqual(props.expressionString(), "CASE WHEN @vector_tile_zoom >= 9 AND @vector_tile_zoom < 15 THEN color_hsla(scale_linear(@vector_tile_zoom,9,15,color_part(CASE WHEN \"class\" IN ('motorway', 'trunk') THEN color_rgba(255,230,160,255) ELSE color_rgba(255,255,255,255) END,'hsl_hue'),color_part(CASE WHEN \"class\" IN ('motorway', 'trunk') THEN color_rgba(255,224,138,255) ELSE color_rgba(255,255,255,255) END,'hsl_hue')), scale_linear(@vector_tile_zoom,9,15,color_part(CASE WHEN \"class\" IN ('motorway', 'trunk') THEN color_rgba(255,230,160,255) ELSE color_rgba(255,255,255,255) END,'hsl_saturation'),color_part(CASE WHEN \"class\" IN ('motorway', 'trunk') THEN color_rgba(255,224,138,255) ELSE color_rgba(255,255,255,255) END,'hsl_saturation')), scale_linear(@vector_tile_zoom,9,15,color_part(CASE WHEN \"class\" IN ('motorway', 'trunk') THEN color_rgba(255,230,160,255) ELSE color_rgba(255,255,255,255) END,'lightness'),color_part(CASE WHEN \"class\" IN ('motorway', 'trunk') THEN color_rgba(255,224,138,255) ELSE color_rgba(255,255,255,255) END,'lightness')), scale_linear(@vector_tile_zoom,9,15,color_part(CASE WHEN \"class\" IN ('motorway', 'trunk') THEN color_rgba(255,230,160,255) ELSE color_rgba(255,255,255,255) END,'alpha'),color_part(CASE WHEN \"class\" IN ('motorway', 'trunk') THEN color_rgba(255,224,138,255) ELSE color_rgba(255,255,255,255) END,'alpha'))) WHEN @vector_tile_zoom >= 15 THEN color_hsla(color_part(CASE WHEN \"class\" IN ('motorway', 'trunk') THEN color_rgba(255,224,138,255) ELSE color_rgba(255,255,255,255) END,'hsl_hue'), color_part(CASE WHEN \"class\" IN ('motorway', 'trunk') THEN color_rgba(255,224,138,255) ELSE color_rgba(255,255,255,255) END,'hsl_saturation'), color_part(CASE WHEN \"class\" IN ('motorway', 'trunk') THEN color_rgba(255,224,138,255) ELSE color_rgba(255,255,255,255) END,'lightness'), color_part(CASE WHEN \"class\" IN ('motorway', 'trunk') THEN color_rgba(255,224,138,255) ELSE color_rgba(255,255,255,255) END,'alpha')) ELSE color_hsla(color_part(CASE WHEN \"class\" IN ('motorway', 'trunk') THEN color_rgba(255,224,138,255) ELSE color_rgba(255,255,255,255) END,'hsl_hue'), color_part(CASE WHEN \"class\" IN ('motorway', 'trunk') THEN color_rgba(255,224,138,255) ELSE color_rgba(255,255,255,255) END,'hsl_saturation'), color_part(CASE WHEN \"class\" IN ('motorway', 'trunk') THEN color_rgba(255,224,138,255) ELSE color_rgba(255,255,255,255) END,'lightness'), color_part(CASE WHEN \"class\" IN ('motorway', 'trunk') THEN color_rgba(255,224,138,255) ELSE color_rgba(255,255,255,255) END,'alpha')) END")

def testParseStops(self):
conversion_context = QgsMapBoxGlStyleConversionContext()
self.assertEqual(QgsMapBoxGlStyleConverter.parseStops(1, [[1, 10], [2, 20], [5, 100]], 1, conversion_context),
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