added mock for CompletePurchaseSuccess

composer.json

@@ -15,6 +15,7 @@
         }
     ],
     "require": {
+        "php": "^7.2",
         "omnipay/common": "^3.0"
     },
     "require-dev": {

tests/Mock/CompletePurchaseSuccess.txt

@@ -0,0 +1,91 @@
+HTTP/1.1 200 OK
+Server: Apache
+Date: Sun, 11 May 2014 21:17:31 GMT
+Content-Type: application/json; charset=utf-8
+Status: 200 OK
+
+{
+  "status": true,
+  "message": "Verification successful",
+  "data": {
+    "id": 549256454,
+    "domain": "test",
+    "status": "success",
+    "reference": "0rujfjycxi",
+    "amount": 250000,
+    "message": null,
+    "gateway_response": "Successful",
+    "paid_at": "2020-03-10T15:13:18.000Z",
+    "created_at": "2020-03-10T15:13:04.000Z",
+    "channel": "card",
+    "currency": "NGN",
+    "ip_address": "154.113.67.70",
+    "metadata": {
+      "custom_fields": [
+        {
+          "display_name": "Mobile Number",
+          "variable_name": "mobile_number",
+          "value": "+2348012345678"
+        }
+      ]
+    },
+    "log": {
+      "start_time": 1583853195,
+      "time_spent": 3,
+      "attempts": 1,
+      "errors": 0,
+      "success": true,
+      "mobile": false,
+      "input": [],
+      "history": [
+        {
+          "type": "action",
+          "message": "Attempted to pay with card",
+          "time": 3
+        },
+        {
+          "type": "success",
+          "message": "Successfully paid with card",
+          "time": 3
+        }
+      ]
+    },
+    "fees": 13750,
+    "fees_split": null,
+    "authorization": {
+      "authorization_code": "AUTH_0kp93r4efq",
+      "bin": "408408",
+      "last4": "4081",
+      "exp_month": "12",
+      "exp_year": "2020",
+      "channel": "card",
+      "card_type": "visa DEBIT",
+      "bank": "Test Bank",
+      "country_code": "NG",
+      "brand": "visa",
+      "reusable": true,
+      "signature": "SIG_OwXBSHEXaO5yN8mT1PuM",
+      "account_name": null,
+      "receiver_bank_account_number": null,
+      "receiver_bank": null
+    },
+    "customer": {
+      "id": 11155546,
+      "first_name": null,
+      "last_name": null,
+      "email": "[email protected]",
+      "customer_code": "CUS_psk22uvulqz7cqi",
+      "phone": null,
+      "metadata": null,
+      "risk_action": "deny"
+    },
+    "plan": null,
+    "order_id": null,
+    "paidAt": "2020-03-10T15:13:18.000Z",
+    "createdAt": "2020-03-10T15:13:04.000Z",
+    "requested_amount": 250000,
+    "transaction_date": "2020-03-10T15:13:04.000Z",
+    "plan_object": {},
+    "subaccount": {}
+  }
+}