Import AITURK IDE 1.0.0-beta.1 from Hermes 63279301; preserve MIT license

tests/test_install_sh_node_npm_check.py

@@ -0,0 +1,42 @@
+"""Regression tests for install.sh Node/npm checks (#77003).
+
+A stray `node` symlink without a sibling `npm` (leftover from a node
+version manager) made the installer report "✓ Node.js found" and then fail
+opaquely at the desktop stage. Node must only count as found when npm
+resolves on the same PATH, and npm install stages must not report success
+when the install actually failed.
+"""
+
+from pathlib import Path
+
+REPO_ROOT = Path(__file__).resolve().parent.parent
+INSTALL_SH = REPO_ROOT / "scripts" / "install.sh"
+
+
+def test_check_node_requires_npm_alongside_node() -> None:
+    """check_node must not report success when only `node` resolves.
+
+    Before the fix, `command -v node` succeeding was enough — a stray node
+    symlink (no sibling npm) passed the check, every later `npm install`
+    failed silently, and the desktop build died with an opaque
+    "Node.js / npm unavailable" (#77003).
+    """
+    text = INSTALL_SH.read_text()
+
+    # The system-toolchain branch now gates on BOTH node and npm.
+    assert (
+        "if command -v node &> /dev/null && command -v npm &> /dev/null \\" in text
+    )
+    # The "node found but npm missing" case has its own explicit branch that
+    # falls through to installing the Hermes-managed Node (which bundles npm).
+    assert "node found but npm is not on PATH (stray node symlink?)" in text
+
+
+def test_check_node_managed_requires_npm() -> None:
+    """The Hermes-managed Node fallback also requires its npm to exist."""
+    text = INSTALL_SH.read_text()
+    assert (
+        '[ -x "$HERMES_HOME/node/bin/node" ] && [ -x "$HERMES_HOME/node/bin/npm" ] \\'
+        in text
+    )
+