✅ add tests for mutually exclusive tags

Author: momocow

test/integration/headers/fixtures.ts

@@ -1,4 +1,4 @@
-import { ValueType } from 'webpack-userscript';
+import { HeadersProps, ValueType } from 'webpack-userscript';
 
 import { File, GlobalFixtures } from '../fixtures';
 
@@ -91,4 +91,22 @@ export class Fixtures extends GlobalFixtures {
       invalidValues: [{ value: { unknownBrowser: 'incompatible string' } }],
     },
   };
+
+  public static readonly mutuallyExclusiveTags: HeadersProps[] = [
+    {
+      homepage: 'https://home.example.com',
+      homepageURL: 'https://home.example.com',
+      website: 'https://home.example.com',
+      source: 'https://home.example.com',
+    },
+    {
+      icon: 'https://icon.example.com',
+      iconURL: 'https://icon.example.com',
+      defaulticon: 'https://icon.example.com',
+    },
+    {
+      downloadURL: 'https://download.example.com',
+      installURL: 'https://install.example.com',
+    },
+  ];
 }

test/integration/headers/index.test.ts

@@ -109,6 +109,26 @@ describe('headers', () => {
         return expect(promise).toReject();
       });
 
+      for (const headers of Fixtures.mutuallyExclusiveTags) {
+        it(
+          'should throw error if mutually exclusive tags present: ' +
+            Object.keys(headers).join(', '),
+          () => {
+            const promise = compile(input, {
+              ...Fixtures.webpackConfig,
+              plugins: [
+                new UserscriptPlugin({
+                  headers,
+                  strict: true,
+                }),
+              ],
+            });
+
+            return expect(promise).toReject();
+          },
+        );
+      }
+
       for (const [tag, { validValues, invalidValues }] of Object.entries(
         Fixtures.tagSamples,
       )) {

test/integration/proxy-script/base-url-proxy-script.headers.txt

@@ -4,6 +4,5 @@
 // @version 0.0.0
 // @match *://*/*
 // @downloadURL http://example.com
-// @installURL http://example.com
 // @updateURL http://example.com
 // ==/UserScript==

test/integration/proxy-script/index.test.ts

@@ -22,7 +22,6 @@ describe('proxy script', () => {
           headers: {
             // these URLs should be ignored in proxy scripts
             updateURL: 'http://example.com',
-            downloadURL: 'http://example.com',
             installURL: 'http://example.com',
             // require tag will be extended in the proxy script
             require: ['http://require.example.com'],
@@ -47,7 +46,6 @@ describe('proxy script', () => {
           headers: {
             // these URLs should be ignored in proxy scripts
             updateURL: 'http://example.com',
-            downloadURL: 'http://example.com',
             installURL: 'http://example.com',
             // require tag will be extended in the proxy script
             require: 'http://require.example.com',
@@ -75,7 +73,6 @@ describe('proxy script', () => {
             // these URLs should be ignored in proxy scripts
             updateURL: 'http://example.com',
             downloadURL: 'http://example.com',
-            installURL: 'http://example.com',
           },
           proxyScript: {
             baseURL: 'http://base.example.com',

test/integration/proxy-script/proxy-script.headers.txt

@@ -3,7 +3,6 @@
 // @description this is a fantastic userscript
 // @version 0.0.0
 // @match *://*/*
-// @downloadURL http://example.com
 // @installURL http://example.com
 // @require http://require.example.com
 // @updateURL http://example.com