From 0a15af8d98771180e32402e68ea844f9f377cefb Mon Sep 17 00:00:00 2001
From: Gabriel Schneider <gbrls@0x4200.cafe>
Date: Sun, 9 Aug 2026 02:34:49 -0300
Subject: a pardes launched inside pardes hands its file to the outer one

---
 test/snapshots/nested.golden | 93 ++++++++++++++++++++++++++++++++++++++++++++
 test/snapshots/nested.snap   | 48 +++++++++++++++++++++++
 2 files changed, 141 insertions(+)
 create mode 100644 test/snapshots/nested.golden
 create mode 100644 test/snapshots/nested.snap

(limited to 'test')

diff --git a/test/snapshots/nested.golden b/test/snapshots/nested.golden
new file mode 100644
index 00000000..7b9ee1b5
--- /dev/null
+++ b/test/snapshots/nested.golden
@@ -0,0 +1,93 @@
+== snap file-arg grid=100x30 cursor=7,2
+|New Newcol Find Grep Help Tutor Dump NextColor Debug Kill
+|  /tmp/pardes-snap/nested/cwd/nested.txt Save New $ /tmp/pardes-snap/nested/cwd New Del
+|     1 hello-from-nested                            $ $(readlink /proc/$PPID/exe) nested.txt
+|     2 second-nested-line                           $
+|     3
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+== snap no-arg grid=100x30 cursor=4,6
+|New Newcol Find Grep Help Tutor Dump NextColor Debug Kill
+|$ /tmp/pardes-snap/nested/cwd                                            New Del
+|  $ $(readlink /proc/$PPID/exe)
+|  pardes: this shell is already inside pardes, and a pardes inside a pardes
+|  is spicy. Name a file or a directory and the outer session opens it, or
+|  pass --nested if you really want a second one in here.
+|  $
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+== snap dir-arg grid=100x30 cursor=4,7
+|New Newcol Find Grep Help Tutor Dump NextColor Debug Kill
+|$ /tmp/pardes-snap/nested/cwd                                            New Del
+|  $ $(readlink /proc/$PPID/exe) nestdir
+|  $
+|  /tmp/pardes-snap/nested/cwd/nestdir                                    New Del
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+|  inside-nested.txt
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diff --git a/test/snapshots/nested.snap b/test/snapshots/nested.snap
new file mode 100644
index 00000000..0beeabf8
--- /dev/null
+++ b/test/snapshots/nested.snap
@@ -0,0 +1,48 @@
+# a pardes launched INSIDE a pardes hands its argument to the outer one.
+#
+# No harness support is needed to get a genuinely nested launch: a pane
+# shell's parent IS the app under test, so `$(readlink /proc/$PPID/exe)` in a
+# pane is this exact binary, and running it from there makes a real
+# descendant — the same process tree a person typing `pardes foo.txt` in a
+# pane produces. Each arm gets its own `start` so the Look never has to be
+# aimed at a pane a previous arm moved.
+#
+# What discriminates is the GOLDEN GRID, not the `wait` below it: a nested
+# pardes that opened its own UI in the pane would show the same file, so the
+# content wait passes either way. The layout is what differs — an outer file
+# pane beside the shell versus a whole second topbar inside it — and the
+# `cursor=` on the first arm's header moves the moment that changes.
+#
+# Long waits on purpose: this forks and execs a whole second pardes.
+dirmk nestdir
+file nestdir/inside-nested.txt marker
+file nested.txt hello-from-nested\nsecond-nested-line\n
+# --- a FILE argument: a file pane appears in the OUTER instance ---
+start 30 100
+wait 8000 $
+stable 700 20000
+text $(readlink /proc/$PPID/exe) nested.txt
+key enter
+# the CONTENT, not the border: the shell only ever echoed the file's NAME
+# (see above for why the grid, not this line, is the real assertion)
+wait 15000 hello-from-nested
+stable 700 20000
+snap file-arg
+# --- no argument: the spicy message, in the pane, and no second UI ---
+start 30 100
+wait 8000 $
+stable 700 20000
+text $(readlink /proc/$PPID/exe)
+key enter
+wait 15000 already inside pardes
+stable 700 20000
+snap no-arg
+# --- a DIRECTORY argument: a shell there, greeted with ls ---
+start 30 100
+wait 8000 $
+stable 700 20000
+text $(readlink /proc/$PPID/exe) nestdir
+key enter
+wait 15000 inside-nested.txt
+stable 700 20000
+snap dir-arg
-- 
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