From 5db3af902414c7f3f0ef6d7797eb13c9ae7a3b2b Mon Sep 17 00:00:00 2001
From: Alexandr Garbuzov <qwerty541zxc@gmail.com>
Date: Sun, 20 Aug 2023 10:58:16 +0300
Subject: [PATCH] Gist card: handle not found error (#3100)

---
 src/fetchers/gist-fetcher.js |  1 +
 tests/fetchGist.test.js      | 18 ++++++++++++++++++
 2 files changed, 19 insertions(+)

diff --git a/src/fetchers/gist-fetcher.js b/src/fetchers/gist-fetcher.js
index 8e1eb75b2a86e..9ede43fda18fc 100644
--- a/src/fetchers/gist-fetcher.js
+++ b/src/fetchers/gist-fetcher.js
@@ -60,6 +60,7 @@ const fetchGist = async (id) => {
   if (!id) throw new MissingParamError(["id"], "/api/gist?id=GIST_ID");
   const res = await retryer(fetcher, { gistName: id });
   if (res.data.errors) throw new Error(res.data.errors[0].message);
+  if (!res.data.data.viewer.gist) throw new Error("Gist not found");
   const data = res.data.data.viewer.gist;
   return {
     name: data.files[Object.keys(data.files)[0]].name,
diff --git a/tests/fetchGist.test.js b/tests/fetchGist.test.js
index ad52966f269c4..13c29a8d2fc39 100644
--- a/tests/fetchGist.test.js
+++ b/tests/fetchGist.test.js
@@ -52,6 +52,14 @@ const gist_data = {
   },
 };
 
+const gist_not_found_data = {
+  data: {
+    viewer: {
+      gist: null,
+    },
+  },
+};
+
 const gist_errors_data = {
   errors: [
     {
@@ -83,6 +91,16 @@ describe("Test fetchGist", () => {
     });
   });
 
+  it("should throw correct error if gist not found", async () => {
+    mock
+      .onPost("https://api.github.com/graphql")
+      .reply(200, gist_not_found_data);
+
+    await expect(fetchGist("bbfce31e0217a3689c8d961a356cb10d")).rejects.toThrow(
+      "Gist not found",
+    );
+  });
+
   it("should throw error if reaponse contains them", async () => {
     mock.onPost("https://api.github.com/graphql").reply(200, gist_errors_data);