build: Add node-inspect integration test for unix

This just adds an additional make target (`make test-node-inspect`) but
will not include the new debugger in releases.

Makefile

@@ -241,6 +241,9 @@ test-debugger: all
 test-inspector: all
 	$(PYTHON) tools/test.py inspector
 
+test-node-inspect: $(NODE_EXE)
+	NODE=$(NODE) tools/test-node-inspect.sh
+
 test-tick-processor: all
 	$(PYTHON) tools/test.py tick-processor
 

tools/test-node-inspect.sh

@@ -0,0 +1,37 @@
+#!/bin/bash
+
+set -e
+
+# always change the working directory to the project's root directory
+cd $(dirname $0)/..
+
+# pass a $NODE environment variable from something like Makefile
+# it should point to either ./node or ./node.exe, depending on the platform
+if [ -z $NODE ]; then
+  echo "No node executable provided. Bailing." >&2
+  exit 0
+fi
+
+rm -rf test-node-inspect
+
+# make a copy of deps/node-inspect to run the tests on
+cp -r deps/node-inspect test-node-inspect
+
+cd test-node-inspect
+
+# make sure our test does not leak into the general file system
+mkdir npm-cache npm-tmp npm-prefix
+export npm_config_cache="$(pwd)/npm-cache"
+export npm_config_prefix="$(pwd)/npm-prefix"
+export npm_config_tmp="$(pwd)/npm-tmp"
+
+# ensure npm always uses the local node
+export PATH="$(../$NODE -p 'require("path").resolve("..")'):$PATH"
+unset NODE
+
+node ../deps/npm/cli.js install
+
+node ./node_modules/.bin/tap 'test/**/*.test.js'
+
+# clean up everything one single shot
+cd .. && rm -rf test-node-inspect