From b588a761febc62bd6f3a224c0eb8d181b44dbe3c Mon Sep 17 00:00:00 2001
From: Robert Hensing <robert@roberthensing.nl>
Date: Mon, 27 May 2024 09:58:49 +0200
Subject: Merge pull request #10799 from hercules-ci/safer-tab-completion
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Add repl completion test

(cherry picked from commit 1e2b26734b4da101247678aec405c9dcfdc33f98)

Change-Id: Ic3de39e71960a05a8676190b1ec9a7f0bb6057f5
Signed-off-by: Jörg Thalheim <joerg@thalheim.io>
---
 tests/repl-completion.nix | 40 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 40 insertions(+)
 create mode 100644 tests/repl-completion.nix

(limited to 'tests/repl-completion.nix')

diff --git a/tests/repl-completion.nix b/tests/repl-completion.nix
new file mode 100644
index 000000000..234ef9466
--- /dev/null
+++ b/tests/repl-completion.nix
@@ -0,0 +1,40 @@
+{ runCommand, nix, expect }:
+
+# We only use expect when necessary, e.g. for testing tab completion in nix repl.
+# See also tests/functional/repl.sh
+
+runCommand "repl-completion" {
+  nativeBuildInputs = [
+    expect
+    nix
+  ];
+  expectScript = ''
+    # Regression https://github.com/NixOS/nix/pull/10778
+    spawn nix repl --offline --extra-experimental-features nix-command
+    expect "nix-repl>"
+    send "foo = import ./does-not-exist.nix\n"
+    expect "nix-repl>"
+    send "foo.\t"
+    expect {
+      "nix-repl>" {
+        puts "Got another prompt. Good."
+      }
+      eof {
+        puts "Got EOF. Bad."
+        exit 1
+      }
+    }
+    exit 0
+  '';
+  passAsFile = [ "expectScript" ];
+}
+''
+  export NIX_STORE=$TMPDIR/store
+  export NIX_STATE_DIR=$TMPDIR/state
+  export HOME=$TMPDIR/home
+  mkdir $HOME
+
+  nix-store --init
+  expect $expectScriptPath
+  touch $out
+''
-- 
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