diff --git a/jest.config.js b/jest.config.js
index 73e3b69..5c94467 100644
--- a/jest.config.js
+++ b/jest.config.js
@@ -5,7 +5,14 @@ module.exports = {
     NODE_ENV: 'test',
   },
   restoreMocks: true,
-  coveragePathIgnorePatterns: ['node_modules', 'src/config', 'src/app.js', 'tests', 'models/tenantModels.js'],
+  coveragePathIgnorePatterns: [
+    'node_modules',
+    'src/config',
+    'src/app.js',
+    'src/models/index.js',
+    'tests',
+    'models/tenantModels.js',
+  ],
   coverageReporters: ['text', 'lcov', 'clover', 'html'],
   moduleNameMapper: {
     '@root/(.*)': '<rootDir>/$1',
diff --git a/src/modules/inventory/models/inventory.model.test.js b/src/modules/inventory/models/inventory.model.test.js
index e69de29..5149b22 100644
--- a/src/modules/inventory/models/inventory.model.test.js
+++ b/src/modules/inventory/models/inventory.model.test.js
@@ -0,0 +1,29 @@
+const { Inventory } = require('../../../models').tenant;
+
+describe('Inventory Model', () => {
+  describe('custom getters', () => {
+    it('returns correct quantity value', () => {
+      const inventory = Inventory.build({ quantity: 10 });
+      expect(inventory.quantity).toEqual(10);
+    });
+
+    it('returns correct quantity reference value', () => {
+      const inventory = Inventory.build({ quantityReference: 10 });
+      expect(inventory.quantityReference).toEqual(10);
+    });
+
+    it('returns correct converter reference value', () => {
+      const inventory = Inventory.build({ converterReference: 10 });
+      expect(inventory.converterReference).toEqual(10);
+    });
+
+    it('returns correct expiry date value', () => {
+      const inventory = Inventory.build({ expiryDate: null });
+      expect(inventory.expiryDate).toEqual(null);
+
+      const expiryDate = new Date('2022-03-03');
+      inventory.expiryDate = expiryDate;
+      expect(inventory.expiryDate).toEqual('2022-03-03 07:00:00');
+    });
+  });
+});
diff --git a/src/modules/inventory/models/inventoryAuditItem.model.test.js b/src/modules/inventory/models/inventoryAuditItem.model.test.js
new file mode 100644
index 0000000..0854eab
--- /dev/null
+++ b/src/modules/inventory/models/inventoryAuditItem.model.test.js
@@ -0,0 +1,29 @@
+const { InventoryAuditItem } = require('../../../models').tenant;
+
+describe('Inventory Audit Item Model', () => {
+  describe('custom getters', () => {
+    it('returns correct quantity value', () => {
+      const inventoryAuditItem = InventoryAuditItem.build({ quantity: 10 });
+      expect(inventoryAuditItem.quantity).toEqual(10);
+    });
+
+    it('returns correct expiry date value', () => {
+      const inventoryAuditItem = InventoryAuditItem.build({ expiryDate: null });
+      expect(inventoryAuditItem.expiryDate).toEqual(null);
+
+      const expiryDate = new Date('2022-03-03');
+      inventoryAuditItem.expiryDate = expiryDate;
+      expect(inventoryAuditItem.expiryDate).toEqual('2022-03-03 07:00:00');
+    });
+
+    it('returns correct price value', () => {
+      const inventoryAuditItem = InventoryAuditItem.build({ price: 10000 });
+      expect(inventoryAuditItem.price).toEqual(10000);
+    });
+
+    it('returns correct converter value', () => {
+      const inventoryAuditItem = InventoryAuditItem.build({ converter: 10 });
+      expect(inventoryAuditItem.converter).toEqual(10);
+    });
+  });
+});
diff --git a/src/modules/inventory/services/GetCurrentStock.test.js b/src/modules/inventory/services/GetCurrentStock.test.js
new file mode 100644
index 0000000..055ecc8
--- /dev/null
+++ b/src/modules/inventory/services/GetCurrentStock.test.js
@@ -0,0 +1,64 @@
+const factory = require('@root/tests/utils/factory');
+const tenantDatabase = require('@src/models').tenant;
+const GetCurrentStock = require('./GetCurrentStock');
+
+describe('Get Current Stock', () => {
+  describe('when item require production number and expiry date', () => {
+    let warehouse, item, inventory;
+    beforeEach(async (done) => {
+      const maker = await factory.user.create();
+      const branch = await factory.branch.create();
+      warehouse = await factory.warehouse.create({ branch });
+      item = await factory.item.create({ requireProductionNumber: true, requireExpiryDate: true });
+      const inventoryForm = await factory.form.create({
+        date: new Date('2022-01-01'),
+        branch,
+        number: 'PI2101001',
+        formable: { id: 1 },
+        formableType: 'PurchaseInvoice',
+        createdBy: maker.id,
+        updatedBy: maker.id,
+      });
+      inventory = await factory.inventory.create({
+        form: inventoryForm,
+        warehouse,
+        item,
+        productionNumber: '001',
+        expiryDate: new Date('2022-03-01'),
+      });
+
+      done();
+    });
+
+    it('returns correct stock', async () => {
+      const currentStock = await new GetCurrentStock(tenantDatabase, {
+        item,
+        date: new Date('2022-03-01'),
+        warehouseId: warehouse.id,
+        useDna: true,
+        options: {
+          productionNumber: '001',
+          expiryDate: new Date('2022-03-01'),
+        },
+      }).call();
+
+      expect(currentStock).toEqual(100);
+    });
+
+    it('returns 0 when no inventories recorded', async () => {
+      await inventory.destroy();
+      const currentStock = await new GetCurrentStock(tenantDatabase, {
+        item,
+        date: new Date('2022-03-01'),
+        warehouseId: warehouse.id,
+        useDna: true,
+        options: {
+          productionNumber: '001',
+          expiryDate: new Date('2022-03-01'),
+        },
+      }).call();
+
+      expect(currentStock).toEqual(0);
+    });
+  });
+});
diff --git a/src/modules/inventory/stockCorrection/services/apis/CreateFormApprove.test.js b/src/modules/inventory/stockCorrection/services/apis/CreateFormApprove.test.js
index 3fb1f4d..1c795e1 100644
--- a/src/modules/inventory/stockCorrection/services/apis/CreateFormApprove.test.js
+++ b/src/modules/inventory/stockCorrection/services/apis/CreateFormApprove.test.js
@@ -74,6 +74,11 @@ describe('Stock Correction - Create Form Approve', () => {
       const journals = await tenantDatabase.Journal.findAll({ where: { formId: stockCorrectionForm.id } });
       expect(journals.length).toEqual(2);
     });
+
+    it('create the inventory', async () => {
+      const inventories = await tenantDatabase.Inventory.findAll({ where: { formId: stockCorrectionForm.id } });
+      expect(inventories.length).toEqual(1);
+    });
   });
 });
 
diff --git a/src/modules/inventory/stockCorrection/services/apis/CreateFormRequest.test.js b/src/modules/inventory/stockCorrection/services/apis/CreateFormRequest.test.js
index 80a1385..94a51ee 100644
--- a/src/modules/inventory/stockCorrection/services/apis/CreateFormRequest.test.js
+++ b/src/modules/inventory/stockCorrection/services/apis/CreateFormRequest.test.js
@@ -83,7 +83,7 @@ const generateRecordFactories = async ({
   warehouse = await factory.warehouse.create({ branch, ...warehouse });
   userWarehouse = await factory.userWarehouse.create({ user: maker, warehouse, isDefault: true });
   allocation = await factory.allocation.create({ branch, ...allocation });
-  item = await factory.item.create(item);
+  item = await factory.item.create({ ...item });
   inventoryForm = await factory.form.create({
     branch,
     number: 'PI2101001',
@@ -108,19 +108,21 @@ const generateRecordFactories = async ({
   };
 };
 
-const generateCreateFormRequestDto = ({ warehouse, item, allocation, approver }) => ({
-  warehouseId: warehouse.id,
-  dueDate: new Date('2021-01-01'),
-  items: [
-    {
-      itemId: item.id,
-      unit: 'PCS',
-      converter: 1,
-      stockCorrection: -10,
-      notes: 'example stock correction item note',
-      allocationId: allocation.id,
-    },
-  ],
-  notes: 'example stock correction note',
-  requestApprovalTo: approver.id,
-});
+const generateCreateFormRequestDto = ({ warehouse, item, allocation, approver }) => {
+  return {
+    warehouseId: warehouse.id,
+    dueDate: new Date('2021-01-01'),
+    items: [
+      {
+        itemId: item.id,
+        unit: 'PCS',
+        converter: 1,
+        stockCorrection: -10,
+        notes: 'example stock correction item note',
+        allocationId: allocation.id,
+      },
+    ],
+    notes: 'example stock correction note',
+    requestApprovalTo: approver.id,
+  };
+};
diff --git a/tests/utils/factory/item.js b/tests/utils/factory/item.js
index 36511ed..3903e9f 100644
--- a/tests/utils/factory/item.js
+++ b/tests/utils/factory/item.js
@@ -1,12 +1,14 @@
 const faker = require('faker');
 const { Item } = require('@src/models').tenant;
 
-async function create({ chartOfAccount } = {}) {
+async function create({ chartOfAccount, requireExpiryDate = false, requireProductionNumber = false } = {}) {
   const item = await Item.create({
     code: faker.datatype.string(),
     name: faker.commerce.productName(),
     stock: 100,
     chartOfAccountId: chartOfAccount?.id,
+    requireExpiryDate,
+    requireProductionNumber,
   });
 
   return item;