move splitPackageNames to its own module

1 files changed, 17 insertions, 0 deletions

diff --git a/test/lib/utils/split-package-names.js b/test/lib/utils/split-package-names.js
new file mode 100644
index 000000000..c69bb2a3d
--- /dev/null
+++ b/test/lib/utils/split-package-names.js
@@ -0,0 +1,17 @@
+'use strict'
+
+const { test } = require('tap')
+const splitPackageNames = require('../../../lib/utils/split-package-names.js')
+
+test('splitPackageNames', t => {
+  const assertions = [
+    ['semver', 'semver'],
+    ['read-pkg/semver', 'read-pkg/node_modules/semver'],
+    ['@npmcli/one/@npmcli/two', '@npmcli/one/node_modules/@npmcli/two'],
+    ['@npmcli/one/semver', '@npmcli/one/node_modules/semver'],
+  ]
+
+  for (const [input, expected] of assertions)
+    t.equal(splitPackageNames(input), expected, `split ${input} correctly`)
+  t.end()
+})