tests(#2406): add test_deck.py

tests/test_deck.py

@@ -0,0 +1,66 @@
+"""Tests for the deck module."""
+
+import unittest
+
+try:
+    import pydeck
+    from geemap import deck
+
+    PYDECK_AVAILABLE = True
+except ImportError:
+    PYDECK_AVAILABLE = False
+
+
+@unittest.skipUnless(PYDECK_AVAILABLE, "pydeck not available")
+class DeckTest(unittest.TestCase):
+
+    def test_map_init_default_params(self):
+        m = deck.Map(ee_initialize=False)
+        self.assertIsNotNone(m)
+        self.assertEqual(m.initial_view_state.latitude, 20)
+        self.assertEqual(m.initial_view_state.longitude, 0)
+        self.assertEqual(m.initial_view_state.zoom, 1.2)
+        self.assertEqual(m.initial_view_state.height, 800)
+        self.assertIn("positron", m.map_style)
+        self.assertEqual(len(m.layers), 0)
+
+    def test_map_init_custom_center(self):
+        m = deck.Map(ee_initialize=False, center=(40, -100))
+        self.assertIsNotNone(m)
+        self.assertEqual(m.initial_view_state.latitude, 40)
+        self.assertEqual(m.initial_view_state.longitude, -100)
+
+    def test_map_init_custom_zoom(self):
+        m = deck.Map(ee_initialize=False, zoom=10)
+        self.assertIsNotNone(m)
+        self.assertEqual(m.initial_view_state.zoom, 10)
+
+    def test_map_init_custom_height(self):
+        m = deck.Map(ee_initialize=False, height=600)
+        self.assertIsNotNone(m)
+        self.assertEqual(m.initial_view_state.height, 600)
+
+    def test_map_custom_map_style(self):
+        m = deck.Map(ee_initialize=False, map_style="dark")
+        self.assertIn("dark", m.map_style)
+
+    def test_add_layer_url(self):
+        m = deck.Map(ee_initialize=False)
+        m.add_layer("https://example.com/tiles/{z}/{x}/{y}.png", layer_name="test")
+        self.assertEqual(len(m.layers), 1)
+
+    def test_add_layer_pydeck_layer(self):
+        m = deck.Map(ee_initialize=False)
+        layer = pydeck.Layer("ScatterplotLayer", data=[], get_position="[0, 0]")
+        m.add_layer(layer)
+        self.assertEqual(len(m.layers), 1)
+
+    def test_add_multiple_layers(self):
+        m = deck.Map(ee_initialize=False)
+        m.add_layer("https://example.com/tiles/{z}/{x}/{y}.png", layer_name="layer1")
+        m.add_layer("https://example.com/tiles2/{z}/{x}/{y}.png", layer_name="layer2")
+        self.assertEqual(len(m.layers), 2)
+
+
+if __name__ == "__main__":
+    unittest.main()