1 files changed, 77 insertions, 0 deletions
diff --git a/test/tap/shrinkwrap-empty-deps.js b/test/tap/shrinkwrap-empty-deps.js
new file mode 100644
index 000000000..cf7e9a6e8
--- /dev/null
+++ b/test/tap/shrinkwrap-empty-deps.js
@@ -0,0 +1,77 @@
+var fs = require('fs')
+var path = require('path')
+
+var mkdirp = require('mkdirp')
+var mr = require('npm-registry-mock')
+var osenv = require('osenv')
+var rimraf = require('rimraf')
+var test = require('tap').test
+
+var common = require('../common-tap.js')
+
+var pkg = path.resolve(__dirname, 'shrinkwrap-empty-deps')
+
+var EXEC_OPTS = { cwd: pkg }
+
+var json = {
+  author: 'Rockbert',
+  name: 'shrinkwrap-empty-deps',
+  version: '0.0.0',
+  dependencies: {},
+  devDependencies: {}
+}
+
+test('setup', function (t) {
+  cleanup()
+  mkdirp.sync(pkg)
+  fs.writeFileSync(
+    path.join(pkg, 'package.json'),
+    JSON.stringify(json, null, 2)
+  )
+
+  process.chdir(pkg)
+  t.end()
+})
+
+test('returns a list of removed items', function (t) {
+  mr({ port: common.port }, function (er, s) {
+    common.npm(
+      [
+        '--registry', common.registry,
+        '--loglevel', 'silent',
+        'shrinkwrap'
+      ],
+      EXEC_OPTS,
+      function (err, code, stdout, stderr) {
+        t.ifError(err, 'shrinkwrap ran without issue')
+        t.notOk(code, 'shrinkwrap ran without raising error code')
+
+        fs.readFile(path.resolve(pkg, 'npm-shrinkwrap.json'), function (err, desired) {
+          t.ifError(err, 'read npm-shrinkwrap.json without issue')
+          t.same(
+            {
+              'name': 'shrinkwrap-empty-deps',
+              'version': '0.0.0'
+            },
+            JSON.parse(desired),
+            'shrinkwrap handled empty deps without exploding'
+          )
+
+          s.close()
+          t.end()
+        })
+      }
+    )
+  })
+})
+
+test('cleanup', function (t) {
+  cleanup()
+
+  t.end()
+})
+
+function cleanup () {
+  process.chdir(osenv.tmpdir())
+  rimraf.sync(pkg)
+}