Throw errors instead of returning reason

Throw errors instead of returning reason and throw errors if the entry has no root files

lib/schemaUtils.js

@@ -4921,26 +4921,23 @@ module.exports = {
       try {
         res.output.data = this.mapProcessRelatedFiles(inputRelatedFiles.rootFiles, inputRelatedFiles.data,
           inputRelatedFiles.origin, version, inputRelatedFiles.bundleFormat, toBundle);
+        if (res.output.data === undefined || res.output.data.result === false ||
+          res.output.data.length === 0) {
+          res.result = false;
+        }
       }
       catch (error) {
         if (error instanceof ParseError) {
-          return {
-            result: false,
-            reason: error.message
-          };
-        }
-        else {
           throw (error);
         }
-      }
-      if (res.output.data.result === false) {
-        res.result = res.output.data.result;
-        res.error = res.output.data.error;
+        let newError = new Error('There was an error during the process');
+        newError.stack = error.stack;
+        throw (newError);
       }
       return res;
     }
     else {
-      return res;
+      throw new Error('Input should have at least one root file');
     }
   },
 

test/unit/bundle.test.js

@@ -401,12 +401,14 @@ describe('bundle files method - 3.0', function () {
           }
         ]
       };
-    const res = await Converter.bundle(input);
-    expect(res).to.not.be.empty;
-    expect(res.result).to.be.false;
-    expect(res.reason).to.equal('Invalid format. Input must be in YAML or JSON ' +
-      'format. Specification is not a valid YAML. YAMLException: duplicated mapping' +
-      ' key at line 30, column -54:\n    components:\n    ^');
+    try {
+      await Converter.bundle(input);
+    }
+    catch (error) {
+      expect(error.message).to.equal('Invalid format. Input must be in YAML or JSON ' +
+        'format. Specification is not a valid YAML. YAMLException: duplicated mapping' +
+        ' key at line 30, column -54:\n    components:\n    ^');
+    }
   });
 
   it('Should return bundled file from same_ref_different_source', async function () {
@@ -746,6 +748,76 @@ describe('bundle files method - 3.0', function () {
     expect(res.result).to.be.true;
     expect(res.output.data.bundledContent).to.be.equal(expected);
   });
+
+  it('Should take the root file from data array', async function () {
+    let contentRootFile = fs.readFileSync(sameRefDiffSource + '/root.yaml', 'utf8'),
+      user = fs.readFileSync(sameRefDiffSource + '/schemas/user/user.yaml', 'utf8'),
+      client = fs.readFileSync(sameRefDiffSource + '/schemas/client/client.yaml', 'utf8'),
+      specialUser = fs.readFileSync(sameRefDiffSource + '/schemas/user/special.yaml', 'utf8'),
+      specialClient = fs.readFileSync(sameRefDiffSource + '/schemas/client/special.yaml', 'utf8'),
+      magic = fs.readFileSync(sameRefDiffSource + '/schemas/client/magic.yaml', 'utf8'),
+      expected = fs.readFileSync(sameRefDiffSource + '/expected.json', 'utf8'),
+      input = {
+        type: 'folder',
+        specificationVersion: '3.0',
+        data: [
+          {
+            path: '/root.yaml',
+            content: contentRootFile
+          },
+          {
+            path: '/schemas/user/user.yaml',
+            content: user
+          },
+          {
+            path: '/schemas/user/special.yaml',
+            content: specialUser
+          },
+          {
+            path: '/schemas/client/client.yaml',
+            content: client
+          },
+          {
+            path: '/schemas/client/special.yaml',
+            content: specialClient
+          },
+          {
+            path: '/schemas/client/magic.yaml',
+            content: magic
+          }
+        ],
+        options: {},
+        bundleFormat: 'JSON'
+      };
+    const res = await Converter.bundle(input);
+    expect(res).to.not.be.empty;
+    expect(res.result).to.be.true;
+    expect(res.output.data.bundledContent).to.be.equal(expected);
+
+  });
+
+  it('Should throw error when input has not root files', async function () {
+    let user = fs.readFileSync(schemaFromResponse + '/schemas/user.yaml', 'utf8'),
+      input = {
+        type: 'folder',
+        specificationVersion: '3.0',
+        rootFiles: [],
+        data: [
+          {
+            path: '/schemas/user.yaml',
+            content: user
+          }
+        ],
+        options: {},
+        bundleFormat: 'JSON'
+      };
+    try {
+      await Converter.bundle(input);
+    }
+    catch (error) {
+      expect(error.message).to.equal('Input should have at least one root file');
+    }
+  });
 });
 
 

test/unit/detectRelatedFiles.test.js

@@ -30,7 +30,7 @@ let expect = require('chai').expect,
 
 describe('detectRelatedFiles method', function () {
 
-  it('should return empty data when there is no root in the entry', async function () {
+  it('should return error when there is no root in the entry', async function () {
     let contentFile = fs.readFileSync(petstoreSeparatedPet, 'utf8'),
       input = {
         type: 'folder',
@@ -44,10 +44,12 @@ describe('detectRelatedFiles method', function () {
           }
         ]
       };
-    const res = await Converter.detectRelatedFiles(input);
-    expect(res).to.not.be.empty;
-    expect(res.result).to.be.true;
-    expect(res.output.data.length).to.equal(0);
+    try {
+      await Converter.detectRelatedFiles(input);
+    }
+    catch (error) {
+      expect(error.message).to.equal('Input should have at least one root file');
+    }
   });
 
   it('should locate root and return empty data when there is no ref', async function () {