Merge pull request #6 from vahidvdn/tests/unit-tests

Tests/unit tests

Author: vahidvdn

CHANGELOG.md

@@ -1,3 +1,9 @@
+## RELEASE 1.3.0
+### Feature
+* Add unit tests
+### Bug Fixes
+* Add support for full parsing
+
 ## RELEASE 1.2.0
 ### Feature
 * Better typing

package.json

@@ -1,6 +1,6 @@
 {
   "name": "nestjs-cashify",
-  "version": "1.2.0",
+  "version": "1.3.0",
   "description": "Currency conversion module for nest",
   "author": "Vahid Najafi <[email protected]>",
   "license": "MIT",
@@ -24,6 +24,8 @@
   "keywords": [
     "nestjs",
     "nodejs",
+    "javascript",
+    "typescript",
     "cashify",
     "nestjs-cashify",
     "currency-exchange",

src/cashify.service.spec.ts

@@ -0,0 +1,55 @@
+import { Test } from '@nestjs/testing';
+import { Cashify } from 'cashify';
+import { CASHIFY, CashifyService } from './';
+
+
+describe('CashifyService', () => {
+
+  let cashifyService:CashifyService;
+  const options = {
+    base: 'EUR',
+    rates: {
+      GBP: 0.92,
+      EUR: 1,
+      USD: 1.12
+    }
+  };  
+
+  beforeEach(async () => {
+    const moduleRef = await Test.createTestingModule({
+        providers: [
+          CashifyService,
+          {
+            provide: CASHIFY,
+            useValue: new Cashify(options),
+          }
+        ],
+      }).compile();
+
+    cashifyService = moduleRef.get<CashifyService>(CashifyService);
+  });
+
+  it('should be defined', () => {    
+    expect(cashifyService).toBeDefined();
+  })
+  
+  it('should convert properly', () => {
+    let converted = cashifyService.convert(12, {from: 'USD', to: 'GBP'});
+    expect(converted).toEqual(9.857142857142856);
+  })
+  
+  it('should accept string amount', () => {
+    let converted = cashifyService.convert('10', {from: 'EUR', to: 'GBP'});
+    expect(converted).toEqual(9.2);
+  })
+  
+  it('should do basic parsing', () => {
+    let converted = cashifyService.convert('€10 EUR', {to: 'GBP'});
+    expect(converted).toEqual(9.2);
+  })
+  
+  it('should do full parsing', () => {
+    let converted = cashifyService.convert('€10 EUR to GBP');
+    expect(converted).toEqual(9.2);
+  })
+})

src/cashify.service.ts

@@ -6,7 +6,7 @@ import { CASHIFY } from './';
 export class CashifyService {
   constructor(@Inject(CASHIFY) private readonly cashify: Cashify) {}
 
-  public convert(amount, options) {
+  public convert(amount, options?) {
     return this.cashify.convert(amount, options);
   }
 }