added descriptive error messages for URL parser (#2016)

* added descriptive error messages

Signed-off-by: Rishabh Bhandari <rishabhbhandari6@gmail.com>

* updating error msgs in tests

Signed-off-by: Rishabh Bhandari <rishabhbhandari6@gmail.com>

* updated error messages

Signed-off-by: Rishabh Bhandari <rishabhbhandari6@gmail.com>

---------

Signed-off-by: Rishabh Bhandari <rishabhbhandari6@gmail.com>

Author: RishabhKodes

lib/core/util.js

@@ -48,38 +48,38 @@ function parseURL (url) {
     url = new URL(url)
 
     if (!/^https?:/.test(url.origin || url.protocol)) {
-      throw new InvalidArgumentError('invalid protocol')
+      throw new InvalidArgumentError('Invalid URL protocol: the URL must start with `http:` or `https:`.')
     }
 
     return url
   }
 
   if (!url || typeof url !== 'object') {
-    throw new InvalidArgumentError('invalid url')
+    throw new InvalidArgumentError('Invalid URL: The URL argument must be a non-null object.')
   }
 
   if (url.port != null && url.port !== '' && !Number.isFinite(parseInt(url.port))) {
-    throw new InvalidArgumentError('invalid port')
+    throw new InvalidArgumentError('Invalid URL: port must be a valid integer or a string representation of an integer.')
   }
 
   if (url.path != null && typeof url.path !== 'string') {
-    throw new InvalidArgumentError('invalid path')
+    throw new InvalidArgumentError('Invalid URL path: the path must be a string or null/undefined.')
   }
 
   if (url.pathname != null && typeof url.pathname !== 'string') {
-    throw new InvalidArgumentError('invalid pathname')
+    throw new InvalidArgumentError('Invalid URL pathname: the pathname must be a string or null/undefined.')
   }
 
   if (url.hostname != null && typeof url.hostname !== 'string') {
-    throw new InvalidArgumentError('invalid hostname')
+    throw new InvalidArgumentError('Invalid URL hostname: the hostname must be a string or null/undefined.')
   }
 
   if (url.origin != null && typeof url.origin !== 'string') {
-    throw new InvalidArgumentError('invalid origin')
+    throw new InvalidArgumentError('Invalid URL origin: the origin must be a string or null/undefined.')
   }
 
   if (!/^https?:/.test(url.origin || url.protocol)) {
-    throw new InvalidArgumentError('invalid protocol')
+    throw new InvalidArgumentError('Invalid URL protocol: the URL must start with `http:` or `https:`.')
   }
 
   if (!(url instanceof URL)) {

test/client-errors.js

@@ -260,7 +260,7 @@ test('invalid options throws', (t) => {
     t.fail()
   } catch (err) {
     t.type(err, errors.InvalidArgumentError)
-    t.equal(err.message, 'invalid port')
+    t.equal(err.message, 'Invalid URL: port must be a valid integer or a string representation of an integer.')
   }
 
   try {
@@ -364,7 +364,7 @@ test('invalid options throws', (t) => {
     t.fail()
   } catch (err) {
     t.type(err, errors.InvalidArgumentError)
-    t.equal(err.message, 'invalid protocol')
+    t.equal(err.message, 'Invalid URL protocol: the URL must start with `http:` or `https:`.')
   }
 
   try {
@@ -374,7 +374,7 @@ test('invalid options throws', (t) => {
     t.fail()
   } catch (err) {
     t.type(err, errors.InvalidArgumentError)
-    t.equal(err.message, 'invalid hostname')
+    t.equal(err.message, 'Invalid URL hostname: the hostname must be a string or null/undefined.')
   }
 
   try {
@@ -392,7 +392,7 @@ test('invalid options throws', (t) => {
     t.fail()
   } catch (err) {
     t.type(err, errors.InvalidArgumentError)
-    t.equal(err.message, 'invalid url')
+    t.equal(err.message, 'Invalid URL: The URL argument must be a non-null object.')
   }
 
   try {