tests(Window.split_window): Add support for size

Author: tony

tests/test_window.py

@@ -8,7 +8,7 @@
 
 from libtmux import exc
 from libtmux._internal.query_list import ObjectDoesNotExist
-from libtmux.common import has_gte_version, has_lt_version
+from libtmux.common import has_gte_version, has_lt_version, has_version
 from libtmux.constants import ResizeAdjustmentDirection
 from libtmux.pane import Pane
 from libtmux.server import Server
@@ -171,6 +171,54 @@ def test_split_window_horizontal(session: Session) -> None:
     assert float(first_pane.pane_width) <= ((float(window.window_width) + 1) / 2)
 
 
+def test_split_percentage(session: Session) -> None:
+    """Test deprecated percent param."""
+    window = session.new_window(window_name="split window size")
+    window.resize(height=100, width=100)
+    window_height_before = (
+        int(window.window_height) if isinstance(window.window_height, str) else 0
+    )
+    if has_version("3.4"):
+        pytest.skip(
+            "tmux 3.4 has a split-window bug."
+            + " See https://github.com/tmux/tmux/pull/3840."
+        )
+    with pytest.warns(match="Deprecated in favor of size.*"):
+        pane = window.split_window(percent=10)
+        assert pane.pane_height == str(int(window_height_before * 0.1))
+
+
+def test_split_window_size(session: Session) -> None:
+    """Window.split_window() respects size."""
+    window = session.new_window(window_name="split window size")
+    window.resize(height=100, width=100)
+
+    if has_gte_version("3.1"):
+        pane = window.split_window(size=10)
+        assert pane.pane_height == "10"
+
+        pane = window.split_window(vertical=False, size=10)
+        assert pane.pane_width == "10"
+
+        pane = window.split_window(size="10%")
+        assert pane.pane_height == "8"
+
+        pane = window.split_window(vertical=False, size="10%")
+        assert pane.pane_width == "8"
+    else:
+        window_height_before = (
+            int(window.window_height) if isinstance(window.window_height, str) else 0
+        )
+        window_width_before = (
+            int(window.window_width) if isinstance(window.window_width, str) else 0
+        )
+        pane = window.split_window(size="10%")
+        assert pane.pane_height == str(int(window_height_before * 0.1))
+
+        pane = window.split_window(vertical=False, size="10%")
+        assert pane.pane_width == str(int(window_width_before * 0.1))
+
+
 @pytest.mark.parametrize(
     "window_name_before,window_name_after",
     [("test", "ha ha ha fjewlkjflwef"), ("test", "hello \\ wazzup 0")],