Side status line regress tests.

regress/side-status-image.sh

@@ -0,0 +1,78 @@
+#!/bin/sh
+
+# Images are drawn and erased in the pane's columns with either side status
+# position and with the horizontal status off, above or below the window.
+
+PATH=/bin:/usr/bin
+TERM=screen
+export TERM
+[ -z "$TEST_TMUX" ] && TEST_TMUX=$(readlink -f ../tmux)
+
+python3 -B - "$TEST_TMUX" <<'PY'
+import sys
+from image_test import image_test, sixel
+from image_terminal import Terminal
+
+side = 14
+w, h = 16, 32
+wire = sixel(w, h, [(100, 0, 0)], [0] * (w * h))
+
+def placed(cx, cy):
+    return {(cx * 8 + x, cy * 16 + y): (255, 0, 0)
+        for y in range(h) for x in range(w)}
+
+def side_cells(terminal, xoff, yoff, height):
+    return {(x, y): terminal.cells.get((x, y))
+        for y in range(yoff, yoff + height)
+        for x in range(xoff, xoff + side)}
+
+def check(position, status):
+    with image_test(sys.argv[1]) as test:
+        test.run("set-option", "-g", "side-status", position)
+        test.run("set-option", "-g", "side-status-width", str(side))
+        if status != "off":
+            test.run("set-option", "-g", "status", "2")
+            test.run("set-option", "-g", "status-position", status)
+        xoff = side if position == "left" else 0
+        yoff = 2 if status == "top" else 0
+        height = 16 if status == "off" else 14
+        side_x = 0 if position == "left" else 40 - side
+        separator = side - 1 if position == "left" else side_x
+        client = test.attach()
+        test.emit(b'\033[3;3H' + wire)
+
+        # A full redraw.
+        test.redraw()
+        terminal = Terminal()
+        terminal.feed(client.data)
+        terminal.check(placed(xoff + 2, yoff + 2))
+        cells = side_cells(terminal, side_x, yoff, height)
+        assert all(cells[separator, y] not in (None, ' ')
+            for y in range(yoff, yoff + height)), \
+            (position, status, 'side status line not drawn')
+
+        # Inserting a line above the image redraws the damaged area.
+        test.emit(b'\033[3;1H\033[L')
+        terminal.feed(client.data)
+        terminal.check(placed(xoff + 2, yoff + 3))
+        assert side_cells(terminal, side_x, yoff, height) == cells, \
+            (position, status, 'side status erased by damage')
+
+        # Leaving copy mode redraws only the pane.
+        client.clear()
+        test.run("copy-mode")
+        test.wait(lambda: test.run("display-message", "-p",
+            "#{pane_in_mode}") == "1")
+        test.run("send-keys", "-X", "cancel")
+        test.wait(lambda: test.run("display-message", "-p",
+            "#{pane_in_mode}") == "0")
+        client.read(0.2)
+        terminal.feed(client.data)
+        terminal.check(placed(xoff + 2, yoff + 3))
+        assert side_cells(terminal, side_x, yoff, height) == cells, \
+            (position, status, 'side status erased by pane redraw')
+
+for position in ("left", "right"):
+    for status in ("off", "top", "bottom"):
+        check(position, status)
+PY