Merge pull request #396 from dreamit-de/395-fetch-recog

#395 Add fetch failed as FetchError. Add tests

package.json

@@ -1,6 +1,6 @@
 {
     "name": "@dreamit/graphql-server",
-    "version": "4.10.2",
+    "version": "4.11.0",
     "description": "A GraphQL server written in NodeJS/Typescript.",
     "scripts": {
         "build": "tsup-node",

src/error/DetermineGraphQLOrFetchError.ts

@@ -10,6 +10,7 @@ export function determineGraphQLOrFetchError(error: unknown): string {
     return error instanceof Error &&
         error.message &&
         (error.message.includes(FETCH_ERROR) ||
+            error.message.includes('fetch failed') ||
             error.message.includes('ECONNREFUSED') ||
             error.message.includes('ECONNRESET') ||
             error.message.includes('ETIMEDOUT') ||

tests/error/DetermineGraphQLOrFetchError.test.ts

@@ -0,0 +1,29 @@
+/* eslint-disable unicorn/error-message */
+import { FETCH_ERROR, GRAPHQL_ERROR } from '@dreamit/graphql-server-base'
+import { determineGraphQLOrFetchError } from 'src'
+import { expect, test } from 'vitest'
+
+const redirectedErrorMessage =
+    'uri requested responds with a redirect, redirect mode is set to error'
+
+test.each`
+    errorMessage                  | expectedErrorName
+    ${'ECONNREFUSED'}             | ${FETCH_ERROR}
+    ${'ECONNRESET'}               | ${FETCH_ERROR}
+    ${'ETIMEDOUT'}                | ${FETCH_ERROR}
+    ${'network timeout'}          | ${FETCH_ERROR}
+    ${'invalid redirect URL'}     | ${FETCH_ERROR}
+    ${redirectedErrorMessage}     | ${FETCH_ERROR}
+    ${'maximum redirect reached'} | ${FETCH_ERROR}
+    ${'Cannot follow redirect'}   | ${FETCH_ERROR}
+    ${'socket hang up'}           | ${FETCH_ERROR}
+    ${'fetch failed'}             | ${FETCH_ERROR}
+    ${'I am a GraphQLError'}      | ${GRAPHQL_ERROR}
+`(
+    'Correctly determine if error $errorMessage is a GraphQLError or FetchError $expectedErrorName',
+    ({ errorMessage, expectedErrorName }) => {
+        expect(determineGraphQLOrFetchError(new Error(errorMessage))).toBe(
+            expectedErrorName,
+        )
+    },
+)