Returned error treated when requesting uncommon URL (#3544)

* Fixing error returned when requesting illegal URL

* Adding unit tests http.js

* Fixing error message axios invalid request from browser

* Adding unit tests requests.spec.js

* Adding at utils.js a new method: getProtocol

Co-authored-by: Jay <jasonsaayman@gmail.com>

test/specs/requests.spec.js

@@ -481,4 +481,53 @@ describe('requests', function () {
       done();
     });
   });
+
+  it('should support HTTP protocol', function (done) {
+    var response;
+
+    axios.get('/foo')
+      .then(function (res) {
+        response = res
+      })
+
+    getAjaxRequest().then(function (request) {
+      expect(request.method).toBe('GET');
+      request.respondWith({
+        status: 200
+      });
+      done();
+    });
+  });
+
+  it('should support HTTPS protocol', function (done) {
+    var response;
+    axios.get('https://www.google.com')
+      .then(function (res) {
+        response = res
+      })
+    
+    getAjaxRequest().then(function (request) {
+      expect(request.method).toBe('GET');
+      request.respondWith({
+        status: 200
+      });
+      done();
+    });
+  });
+
+  it('should return malformed url error message', function (done) {
+    axios.get('tel:484-695-3408')
+      .catch(function (error) {
+        expect(error.message).toEqual('Malformed URL tel:484-695-3408')
+        done();
+      })
+  });
+
+  it('should return unsupported protocol error message', function (done) {
+    axios.get('ftp:google.com')
+      .catch(function (error) {
+        expect(error.message).toEqual('Unsupported protocol ftp:')
+        done();
+      })
+  });
 });

test/unit/adapters/http.js

@@ -1038,6 +1038,86 @@ describe('supports http with nodejs', function () {
     });
   });
 
+  it('should support HTTP protocol', function (done) {
+    server = http.createServer(function (req, res) {
+      setTimeout(function () {
+        res.end();
+      }, 1000);
+    }).listen(4444, function () {
+      axios.get('http://localhost:4444')
+        .then(function (res) {
+          assert.equal(res.request.agent.protocol, 'http:');
+          done();
+        })
+    })
+  });
+
+  it('should support HTTPS protocol', function (done) {
+    server = http.createServer(function (req, res) {
+      setTimeout(function () {
+        res.end();
+      }, 1000);
+    }).listen(4444, function () {
+      axios.get('https://www.google.com')
+        .then(function (res) {
+          assert.equal(res.request.agent.protocol, 'https:');
+          done();
+        })
+    })
+  });
+
+  it('should return malformed URL', function (done) {
+    var success = false, failure = false;
+    var error;
+
+    server = http.createServer(function (req, res) {
+      setTimeout(function () {
+        res.end();
+      }, 1000);
+    }).listen(4444, function () {
+      axios.get('tel:484-695-3408')
+        .then(function (res) {
+          success = true;
+        }).catch(function (err) {
+          error = err;
+          failure = true;
+        })
+
+      setTimeout(function () {
+        assert.equal(success, false, 'request should not succeed');
+        assert.equal(failure, true, 'request should fail');
+        assert.equal(error.message, 'Malformed URL tel:484-695-3408');
+        done();
+      }, 300);
+    })
+  });
+
+  it('should return unsupported protocol', function (done) {
+    var success = false, failure = false;
+    var error;
+
+    server = http.createServer(function (req, res) {
+      setTimeout(function () {
+        res.end();
+      }, 1000);
+    }).listen(4444, function () {
+      axios.get('ftp:google.com')
+        .then(function (res) {
+          success = true;
+        }).catch(function (err) {
+          error = err;
+          failure = true;
+        })
+
+      setTimeout(function () {
+        assert.equal(success, false, 'request should not succeed');
+        assert.equal(failure, true, 'request should fail');
+        assert.equal(error.message, 'Unsupported protocol ftp:');
+        done();
+      }, 300);
+    })
+  });
+
   it('should supply a user-agent if one is not specified', function (done) {
     server = http.createServer(function (req, res) {
       assert.equal(req.headers["user-agent"], 'axios/' + pkg.version);
@@ -1097,6 +1177,5 @@ describe('supports http with nodejs', function () {
       });
     });
   });
-
 });