tests: add some unit tests for TextNode

tests/text/test_textnode.py

@@ -0,0 +1,106 @@
+from panda3d import core
+
+
+def test_textnode_card_as_margin():
+    text = core.TextNode("test")
+    text.text = "Test"
+
+    l, r, b, t = 0.1, 0.2, 0.3, 0.4
+    text.set_card_as_margin(l, r, b, t)
+
+    assert text.has_card()
+    assert text.is_card_as_margin()
+    assert text.get_card_as_set() == (l, r, b, t)
+
+    card_actual = text.get_card_actual()
+    card_expect = core.LVecBase4(
+        text.get_left() - l,
+        text.get_right() + r,
+        text.get_bottom() - b,
+        text.get_top() + t)
+    assert card_actual == card_expect
+
+
+def test_textnode_card_actual():
+    text = core.TextNode("test")
+    text.text = "Test"
+
+    l, r, b, t = 0.1, 0.2, 0.3, 0.4
+    text.set_card_actual(l, r, b, t)
+
+    assert text.has_card()
+    assert not text.is_card_as_margin()
+    assert text.get_card_as_set() == (l, r, b, t)
+
+    card_actual = text.get_card_actual()
+    card_expect = core.LVecBase4(l, r, b, t)
+    assert card_actual == card_expect
+
+
+def test_textnode_frame_as_margin():
+    text = core.TextNode("test")
+    text.text = "Test"
+
+    l, r, b, t = 0.1, 0.2, 0.3, 0.4
+    text.set_frame_as_margin(l, r, b, t)
+
+    assert text.has_frame()
+    assert text.is_frame_as_margin()
+    assert text.get_frame_as_set() == (l, r, b, t)
+
+    frame_actual = text.get_frame_actual()
+    frame_expect = core.LVecBase4(
+        text.get_left() - l,
+        text.get_right() + r,
+        text.get_bottom() - b,
+        text.get_top() + t)
+    assert frame_actual == frame_expect
+
+
+def test_textnode_frame_actual():
+    text = core.TextNode("test")
+    text.text = "Test"
+
+    l, r, b, t = 0.1, 0.2, 0.3, 0.4
+    text.set_frame_actual(l, r, b, t)
+
+    assert text.has_frame()
+    assert not text.is_frame_as_margin()
+    assert text.get_frame_as_set() == (l, r, b, t)
+
+    frame_actual = text.get_frame_actual()
+    frame_expect = core.LVecBase4(l, r, b, t)
+    assert frame_actual == frame_expect
+
+
+def test_textnode_flatten_color():
+    text = core.TextNode("test")
+    text.text_color = (0, 0, 0, 1)
+    path = core.NodePath(text)
+
+    color = core.LColor(1, 0, 0, 1)
+    path.set_color(color)
+    path.flatten_strong()
+
+    assert text.text_color == color
+    assert text.shadow_color == color
+    assert text.frame_color == color
+    assert text.card_color == color
+
+
+def test_textnode_flatten_colorscale():
+    text = core.TextNode("test")
+    text.text_color = (1, 0, 0, 0)
+    text.shadow_color = (0, 1, 0, 0)
+    text.frame_color = (0, 0, 1, 0)
+    text.card_color = (0, 0, 0, 1)
+    path = core.NodePath(text)
+
+    color = core.LColor(.5, .5, .5, .5)
+    path.set_color_scale(color)
+    path.flatten_strong()
+
+    assert text.text_color == (.5, 0, 0, 0)
+    assert text.shadow_color == (0, .5, 0, 0)
+    assert text.frame_color == (0, 0, .5, 0)
+    assert text.card_color == (0, 0, 0, .5)