From cdf1407b81f108e0d8d709cd73a9dfad231613c9 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Eduardo=20Bou=C3=A7as?= <mail@eduardoboucas.com>
Date: Wed, 18 Dec 2024 13:41:29 +0000
Subject: [PATCH] chore: add test

---
 test/unit/purge_cache.js | 40 +++++++++++++++++++++++++++++++++++++++-
 1 file changed, 39 insertions(+), 1 deletion(-)

diff --git a/test/unit/purge_cache.js b/test/unit/purge_cache.js
index 6fd0ef7f..8204ec71 100644
--- a/test/unit/purge_cache.js
+++ b/test/unit/purge_cache.js
@@ -73,6 +73,7 @@ test.serial('Throws if the API response does not have a successful status code',
     body: (payload) => {
       const data = JSON.parse(payload)
 
+      t.is(data.cache_tags, undefined)
       t.is(data.site_id, mockSiteID)
     },
     headers: { Authorization: `Bearer ${mockToken}` },
@@ -104,7 +105,7 @@ test.serial('Ignores purgeCache if in local dev with no token or site', async (t
   const mockAPI = new MockFetch().post({
     body: () => {
       t.fail()
-    }
+    },
   })
   const myFunction = async () => {
     await purgeCache()
@@ -116,3 +117,40 @@ test.serial('Ignores purgeCache if in local dev with no token or site', async (t
 
   t.is(response, undefined)
 })
+
+test.serial('Calls the purge API endpoint with an empty array of cache tags', async (t) => {
+  if (!hasFetchAPI) {
+    console.warn('Skipping test requires the fetch API')
+
+    return t.pass()
+  }
+
+  const mockSiteID = '123456789'
+  const mockToken = '1q2w3e4r5t6y7u8i9o0p'
+
+  process.env.NETLIFY_PURGE_API_TOKEN = mockToken
+  process.env.SITE_ID = mockSiteID
+
+  const mockAPI = new MockFetch().post({
+    body: (payload) => {
+      const data = JSON.parse(payload)
+
+      t.deepEqual(data.cache_tags, [])
+      t.is(data.site_id, mockSiteID)
+    },
+    headers: { Authorization: `Bearer ${mockToken}` },
+    method: 'post',
+    response: new Response(null, { status: 202 }),
+    url: `https://api.netlify.com/api/v1/purge`,
+  })
+  const myFunction = async () => {
+    await purgeCache({ tags: [] })
+  }
+
+  globalThis.fetch = mockAPI.fetcher
+
+  const response = await invokeLambda(myFunction)
+
+  t.is(response, undefined)
+  t.true(mockAPI.fulfilled)
+})