chore: add tests

tests/unit/slider_test.py

@@ -0,0 +1,34 @@
+import ipyvuetify as vw
+
+import solara
+
+
+def get_tick_labels(clazz, min, max, step, **kwargs) -> list:
+    el = clazz(label="label", min=min, max=max, step=step, **kwargs)
+    _, rc = solara.render(el, handle_error=False)
+    switch = rc.find(vw.Slider)
+    labels = switch.widget.tick_labels
+    rc.close()
+
+    return labels
+
+
+def test_int_slider():
+    reference_ticks = [3, 4, 5]
+    assert get_tick_labels(solara.IntSlider, 3, 5, 1) == [3, None, 5]
+    assert get_tick_labels(solara.IntSlider, 3, 5, 1, tick_labels=None) == [None] * len(reference_ticks)
+    assert get_tick_labels(solara.IntSlider, 3, 5, 1, tick_labels=reference_ticks) == reference_ticks
+
+
+def test_float_slider():
+    reference_ticks = [3, 3.5, 4, 4.5, 5]
+    middle_nones = [None] * (len(reference_ticks) - 2)
+    assert get_tick_labels(solara.FloatSlider, 3, 5, 0.5) == [3, *middle_nones, 5]
+    assert get_tick_labels(solara.FloatSlider, 3, 5, 0.5, tick_labels=None) == [None] * len(reference_ticks)
+    assert get_tick_labels(solara.FloatSlider, 3, 5, 0.5, tick_labels=reference_ticks) == reference_ticks
+
+    reference_ticks = [3, 3.3, 3.6, 3.9, 4.2, 4.5, 4.8, 5]
+    middle_nones = [None] * (len(reference_ticks) - 2)
+    assert get_tick_labels(solara.FloatSlider, 3, 5, 0.3) == [3, *middle_nones, 5]
+    assert get_tick_labels(solara.FloatSlider, 3, 5, 0.3, tick_labels=None) == [None] * len(reference_ticks)
+    assert get_tick_labels(solara.FloatSlider, 3, 5, 0.3, tick_labels=reference_ticks) == reference_ticks