test: add test for warnings

Author: bjohansebas

lib/_http_agent.js

@@ -28,5 +28,5 @@ module.exports = {
   globalAgent,
 };
 
-process.emitWarning('The _http_agent module is deprecated.',
+process.emitWarning('The _http_agent module is deprecated. Use `node:http` instead.',
                     'DeprecationWarning', 'DEP0195');

lib/_http_client.js

@@ -27,5 +27,5 @@ module.exports = {
   ClientRequest,
 };
 
-process.emitWarning('The _http_client module is deprecated.',
+process.emitWarning('The _http_client module is deprecated. Use `node:http` instead.',
                     'DeprecationWarning', 'DEP0195');

lib/_http_incoming.js

@@ -29,5 +29,5 @@ module.exports = {
   readStop,
 };
 
-process.emitWarning('The _http_incoming module is deprecated.',
+process.emitWarning('The _http_incoming module is deprecated. Use `node:http` instead.',
                     'DeprecationWarning', 'DEP0194');

lib/_http_outgoing.js

@@ -39,5 +39,5 @@ module.exports = {
   OutgoingMessage,
 };
 
-process.emitWarning('The _http_outgoing module is deprecated.',
+process.emitWarning('The _http_outgoing module is deprecated. Use `node:http` instead.',
                     'DeprecationWarning', 'DEP0195');

lib/_http_server.js

@@ -46,5 +46,5 @@ module.exports = {
   kConnectionsCheckingInterval,
 };
 
-process.emitWarning('The _http_server module is deprecated.',
+process.emitWarning('The _http_server module is deprecated. Use `node:http` instead.',
                     'DeprecationWarning', 'DEP0195');

test/parallel/test-warn-http-agent-deprecation.js

@@ -0,0 +1,10 @@
+'use strict';
+
+const common = require('../common');
+
+// _http_agent is deprecated.
+
+common.expectWarning('DeprecationWarning',
+                     'The _http_agent module is deprecated. Use `node:http` instead.', 'DEP0195');
+
+require('_http_agent');

test/parallel/test-warn-http-client-deprecation.js

@@ -0,0 +1,10 @@
+'use strict';
+
+const common = require('../common');
+
+// _http_client is deprecated.
+
+common.expectWarning('DeprecationWarning',
+                     'The _http_client module is deprecated. Use `node:http` instead.', 'DEP0195');
+
+require('_http_client');

test/parallel/test-warn-http-common-deprecation.js

@@ -0,0 +1,10 @@
+'use strict';
+
+const common = require('../common');
+
+// _http_common is deprecated.
+
+common.expectWarning('DeprecationWarning',
+                     'The _http_client module is deprecated.', 'DEP0195');
+
+require('_http_common');

test/parallel/test-warn-http-incoming-deprecation.js

@@ -0,0 +1,10 @@
+'use strict';
+
+const common = require('../common');
+
+// _http_incoming is deprecated.
+
+common.expectWarning('DeprecationWarning',
+                     'The _http_incoming module is deprecated. Use `node:http` instead.', 'DEP0195');
+
+require('_http_incoming');

test/parallel/test-warn-http-outgoing-deprecation.js

@@ -0,0 +1,10 @@
+'use strict';
+
+const common = require('../common');
+
+// _http_outgoing is deprecated.
+
+common.expectWarning('DeprecationWarning',
+                     'The _http_outgoing module is deprecated. Use `node:http` instead.', 'DEP0195');
+
+require('_http_outgoing');