chore: add tests for ping util and cmd

PR-URL: https://github.com/npm/cli/pull/1825
Credit: @nlf
Close: #1825
Reviewed-by: @isaacs

1 files changed, 36 insertions, 0 deletions

diff --git a/test/lib/utils/ping.js b/test/lib/utils/ping.js
new file mode 100644
index 000000000..d2b269556
--- /dev/null
+++ b/test/lib/utils/ping.js
@@ -0,0 +1,36 @@
+const { test } = require('tap')
+const requireInject = require('require-inject')
+
+test('pings', async (t) => {
+  t.plan(3)
+
+  const options = { fake: 'options' }
+  const response = { some: 'details' }
+  const ping = requireInject('../../../lib/utils/ping.js', {
+    'npm-registry-fetch': (url, opts) => {
+      t.equal(url, '/-/ping?write=true', 'calls the correct url')
+      t.equal(opts, options, 'passes through options')
+      return { json: () => Promise.resolve(response) }
+    }
+  })
+
+  const res = await ping(options)
+  t.match(res, response, 'returns json response')
+})
+
+test('catches errors and returns empty json', async (t) => {
+  t.plan(3)
+
+  const options = { fake: 'options' }
+  const response = { some: 'details' }
+  const ping = requireInject('../../../lib/utils/ping.js', {
+    'npm-registry-fetch': (url, opts) => {
+      t.equal(url, '/-/ping?write=true', 'calls the correct url')
+      t.equal(opts, options, 'passes through options')
+      return { json: () => Promise.reject(response) }
+    }
+  })
+
+  const res = await ping(options)
+  t.match(res, {}, 'returns empty json response')
+})