postman-collection.json

{
  "info": {
    "name": "E-Wallet API",
    "description": "Complete test suite for E-Wallet fintech backend.\n\nFlow:\n1. Register → get token\n2. Create wallet\n3. Add money\n4. Transfer\n5. Check balance & history",
    "schema": "https://schema.getpostman.com/json/collection/v2.1.0/collection.json"
  },
  "variable": [
    { "key": "baseUrl", "value": "http://localhost:8080" },
    { "key": "token",   "value": "" },
    { "key": "token2",  "value": "" }
  ],
  "item": [
    {
      "name": "Auth",
      "item": [
        {
          "name": "1. Register User A",
          "event": [{
            "listen": "test",
            "script": { "exec": [
              "const res = pm.response.json();",
              "pm.collectionVariables.set('token', res.token);",
              "pm.test('Status 201', () => pm.response.to.have.status(201));",
              "pm.test('Token present', () => pm.expect(res.token).to.be.a('string'));"
            ]}
          }],
          "request": {
            "method": "POST",
            "url": "{{baseUrl}}/api/auth/register",
            "header": [{ "key": "Content-Type", "value": "application/json" }],
            "body": {
              "mode": "raw",
              "raw": "{\n  \"fullName\": \"Alice Kumar\",\n  \"email\": \"alice@ewallet.com\",\n  \"phone\": \"9876543210\",\n  \"password\": \"SecurePass@123\"\n}"
            }
          }
        },
        {
          "name": "2. Register User B",
          "event": [{
            "listen": "test",
            "script": { "exec": [
              "const res = pm.response.json();",
              "pm.collectionVariables.set('token2', res.token);",
              "pm.test('Status 201', () => pm.response.to.have.status(201));"
            ]}
          }],
          "request": {
            "method": "POST",
            "url": "{{baseUrl}}/api/auth/register",
            "header": [{ "key": "Content-Type", "value": "application/json" }],
            "body": {
              "mode": "raw",
              "raw": "{\n  \"fullName\": \"Bob Singh\",\n  \"email\": \"bob@ewallet.com\",\n  \"phone\": \"9876543211\",\n  \"password\": \"SecurePass@123\"\n}"
            }
          }
        },
        {
          "name": "3. Login",
          "event": [{
            "listen": "test",
            "script": { "exec": [
              "const res = pm.response.json();",
              "pm.collectionVariables.set('token', res.token);",
              "pm.test('Status 200', () => pm.response.to.have.status(200));"
            ]}
          }],
          "request": {
            "method": "POST",
            "url": "{{baseUrl}}/api/auth/login",
            "header": [{ "key": "Content-Type", "value": "application/json" }],
            "body": {
              "mode": "raw",
              "raw": "{\n  \"email\": \"alice@ewallet.com\",\n  \"password\": \"SecurePass@123\"\n}"
            }
          }
        }
      ]
    },
    {
      "name": "Wallet Operations",
      "item": [
        {
          "name": "4. Create Wallet (Alice)",
          "event": [{
            "listen": "test",
            "script": { "exec": [
              "pm.test('Status 201', () => pm.response.to.have.status(201));",
              "pm.test('Balance is 0', () => pm.expect(pm.response.json().balance).to.equal(0));"
            ]}
          }],
          "request": {
            "method": "POST",
            "url": "{{baseUrl}}/api/wallet/create",
            "header": [{ "key": "Authorization", "value": "Bearer {{token}}" }]
          }
        },
        {
          "name": "5. Create Wallet (Bob)",
          "request": {
            "method": "POST",
            "url": "{{baseUrl}}/api/wallet/create",
            "header": [{ "key": "Authorization", "value": "Bearer {{token2}}" }]
          }
        },
        {
          "name": "6. Add Money ₹1000",
          "event": [{
            "listen": "test",
            "script": { "exec": [
              "pm.test('Status 200', () => pm.response.to.have.status(200));",
              "pm.test('Balance updated', () => pm.expect(pm.response.json().balanceAfter).to.equal(1000));",
              "pm.test('Not a replay', () => pm.expect(pm.response.json().idempotentReplay).to.be.false);"
            ]}
          }],
          "request": {
            "method": "POST",
            "url": "{{baseUrl}}/api/wallet/add-money",
            "header": [
              { "key": "Authorization", "value": "Bearer {{token}}" },
              { "key": "Content-Type", "value": "application/json" },
              { "key": "Idempotency-Key", "value": "add-money-001" }
            ],
            "body": {
              "mode": "raw",
              "raw": "{\n  \"amount\": 1000.00,\n  \"description\": \"Initial top-up\"\n}"
            }
          }
        },
        {
          "name": "7. Add Money DUPLICATE (same Idempotency-Key) — should NOT charge twice",
          "event": [{
            "listen": "test",
            "script": { "exec": [
              "pm.test('Status 200', () => pm.response.to.have.status(200));",
              "pm.test('IS a replay', () => pm.expect(pm.response.json().idempotentReplay).to.be.true);",
              "pm.test('Same balance — no double charge', () => pm.expect(pm.response.json().balanceAfter).to.equal(1000));"
            ]}
          }],
          "request": {
            "method": "POST",
            "url": "{{baseUrl}}/api/wallet/add-money",
            "header": [
              { "key": "Authorization", "value": "Bearer {{token}}" },
              { "key": "Content-Type", "value": "application/json" },
              { "key": "Idempotency-Key", "value": "add-money-001" }
            ],
            "body": {
              "mode": "raw",
              "raw": "{\n  \"amount\": 1000.00,\n  \"description\": \"Initial top-up\"\n}"
            }
          }
        },
        {
          "name": "8. Get Balance",
          "event": [{
            "listen": "test",
            "script": { "exec": [
              "pm.test('Status 200', () => pm.response.to.have.status(200));",
              "pm.test('Balance is 1000', () => pm.expect(pm.response.json().balance).to.equal(1000));"
            ]}
          }],
          "request": {
            "method": "GET",
            "url": "{{baseUrl}}/api/wallet/balance",
            "header": [{ "key": "Authorization", "value": "Bearer {{token}}" }]
          }
        },
        {
          "name": "9. Transfer ₹300 to Bob",
          "event": [{
            "listen": "test",
            "script": { "exec": [
              "pm.test('Status 200', () => pm.response.to.have.status(200));",
              "pm.test('Balance after = 700', () => pm.expect(pm.response.json().balanceAfter).to.equal(700));",
              "pm.test('Not a replay', () => pm.expect(pm.response.json().idempotentReplay).to.be.false);"
            ]}
          }],
          "request": {
            "method": "POST",
            "url": "{{baseUrl}}/api/wallet/transfer",
            "header": [
              { "key": "Authorization", "value": "Bearer {{token}}" },
              { "key": "Content-Type", "value": "application/json" },
              { "key": "Idempotency-Key", "value": "transfer-alice-bob-001" }
            ],
            "body": {
              "mode": "raw",
              "raw": "{\n  \"toPhone\": \"9876543211\",\n  \"amount\": 300.00,\n  \"description\": \"Lunch split\"\n}"
            }
          }
        },
        {
          "name": "10. Transfer DUPLICATE — should NOT send twice",
          "event": [{
            "listen": "test",
            "script": { "exec": [
              "pm.test('IS a replay', () => pm.expect(pm.response.json().idempotentReplay).to.be.true);",
              "pm.test('Balance still 700 — not 400', () => pm.expect(pm.response.json().balanceAfter).to.equal(700));"
            ]}
          }],
          "request": {
            "method": "POST",
            "url": "{{baseUrl}}/api/wallet/transfer",
            "header": [
              { "key": "Authorization", "value": "Bearer {{token}}" },
              { "key": "Content-Type", "value": "application/json" },
              { "key": "Idempotency-Key", "value": "transfer-alice-bob-001" }
            ],
            "body": {
              "mode": "raw",
              "raw": "{\n  \"toPhone\": \"9876543211\",\n  \"amount\": 300.00,\n  \"description\": \"Lunch split\"\n}"
            }
          }
        },
        {
          "name": "11. Transfer — Insufficient Balance",
          "event": [{
            "listen": "test",
            "script": { "exec": [
              "pm.test('Status 422 Unprocessable Entity', () => pm.response.to.have.status(422));",
              "pm.test('Correct error code', () => pm.expect(pm.response.json().errorCode).to.equal('INSUFFICIENT_BALANCE'));"
            ]}
          }],
          "request": {
            "method": "POST",
            "url": "{{baseUrl}}/api/wallet/transfer",
            "header": [
              { "key": "Authorization", "value": "Bearer {{token}}" },
              { "key": "Content-Type", "value": "application/json" },
              { "key": "Idempotency-Key", "value": "transfer-fail-001" }
            ],
            "body": {
              "mode": "raw",
              "raw": "{\n  \"toPhone\": \"9876543211\",\n  \"amount\": 99999.00\n}"
            }
          }
        },
        {
          "name": "12. Transaction History",
          "event": [{
            "listen": "test",
            "script": { "exec": [
              "pm.test('Status 200', () => pm.response.to.have.status(200));",
              "pm.test('Has content', () => pm.expect(pm.response.json().content).to.be.an('array'));"
            ]}
          }],
          "request": {
            "method": "GET",
            "url": "{{baseUrl}}/api/wallet/transactions?page=0&size=10",
            "header": [{ "key": "Authorization", "value": "Bearer {{token}}" }]
          }
        }
      ]
    }
  ]
}