new test case and fix case

Author: eugene-matvejev

src/overwrite_object_field_value.js

@@ -10,7 +10,7 @@ module.exports = function overwriteObjectFieldValue(abstractPath, value, object,
     for (let i = 0; i <= lastPathIndex; i++) {
         const index = indexes[i];
 
-        if (undefined === obj[index]) {
+        if (undefined === obj[index] || !(obj[index] instanceof Object)) {
             obj[index] = {};
         }
 

tests/overwrite_object_field_value.test.js

@@ -1,4 +1,4 @@
-const overwriteObjectFieldValue = require("../src/object_field_resolver");
+const overwriteObjectFieldValue = require("../src/overwrite_object_field_value");
 
 describe(`resolver: object field`, () => {
     const dataProvider = [
@@ -14,6 +14,12 @@ describe(`resolver: object field`, () => {
             object: { node1: ['test'] },
             expected: { node1: {} }
         },
+        {
+            absolutePath: 'node1.node2',
+            value: 'string',
+            object: { node1: 'value' },
+            expected: { node1: { node2: 'string' } }
+        },
         {
             absolutePath: 'node1',
             value: {},