From 8010de87ca441a6a9a31ee7f54ff74845dced43b Mon Sep 17 00:00:00 2001
From: Sander <hey@sandydoo.me>
Date: Thu, 28 Aug 2025 18:07:38 +0200
Subject: [PATCH] test: validate environment variables

Add a test to check that the environment is correctly set.
---
 .github/workflows/test.yml |  2 ++
 test-env.sh                | 65 ++++++++++++++++++++++++++++++++++++++
 2 files changed, 67 insertions(+)
 create mode 100755 test-env.sh

diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 7b3884b..f73594c 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -26,6 +26,8 @@ jobs:
       uses: ./
       with:
         nix_path: ${{ env.nixpkgs_channel }}
+    - name: Test environment variables
+      run: ./test-env.sh
     - run: nix-env -iA cachix -f https://cachix.org/api/v1/install
     - run: cat /etc/nix/nix.conf
     # cachix should be available and be able to configure a cache
diff --git a/test-env.sh b/test-env.sh
new file mode 100755
index 0000000..bdcccf7
--- /dev/null
+++ b/test-env.sh
@@ -0,0 +1,65 @@
+#!/usr/bin/env bash
+
+set -euo pipefail
+
+echo "=== Testing Nix Environment Variables ==="
+echo
+
+# Test NIX_PROFILES
+echo "NIX_PROFILES: ${NIX_PROFILES:-<not set>}"
+if [[ -n "${NIX_PROFILES:-}" ]]; then
+  echo "✓ NIX_PROFILES is set"
+else
+  echo "✗ NIX_PROFILES is not set"
+  exit 1
+fi
+
+# Test NIX_SSL_CERT_FILE
+echo "NIX_SSL_CERT_FILE: ${NIX_SSL_CERT_FILE:-<not set>}"
+if [[ -n "${NIX_SSL_CERT_FILE:-}" ]]; then
+  if [[ -f "$NIX_SSL_CERT_FILE" ]]; then
+    echo "✓ NIX_SSL_CERT_FILE is set and file exists"
+  else
+    echo "⚠ NIX_SSL_CERT_FILE is set but file does not exist: $NIX_SSL_CERT_FILE"
+  fi
+else
+  echo "⚠ NIX_SSL_CERT_FILE is not set (may be OK depending on system)"
+fi
+
+# Test PATH contains Nix paths
+echo "PATH: $PATH"
+if echo "$PATH" | grep -E -q "(\.nix-profile|nix/profile)"; then
+  echo "✓ PATH contains Nix paths"
+else
+  echo "✗ PATH does not contain Nix paths"
+  exit 1
+fi
+
+# Test NIX_PATH if set
+if [[ -n "${NIX_PATH:-}" ]]; then
+  echo "NIX_PATH: $NIX_PATH"
+  echo "✓ NIX_PATH is set"
+else
+  echo "NIX_PATH: <not set>"
+fi
+
+# Test TMPDIR
+echo "TMPDIR: ${TMPDIR:-<not set>}"
+if [[ -n "${TMPDIR:-}" ]]; then
+  echo "✓ TMPDIR is set"
+else
+  echo "⚠ TMPDIR is not set"
+fi
+
+echo
+echo "=== Testing Nix Command ==="
+if command -v nix >/dev/null 2>&1; then
+  echo "✓ nix command is available"
+  echo "Nix version: $(nix --version)"
+else
+  echo "✗ nix command is not available"
+  exit 1
+fi
+
+echo
+echo "=== Environment Setup Test Complete ==="