Postman array iteration

Dog Image API.postman_collection.json

{
	"info": {
		"_postman_id": "c18ab42d-2677-4ede-b043-99535f4da9f6",
		"name": "Dog Image API",
		"schema": "https://schema.getpostman.com/json/collection/v2.1.0/collection.json"
	},
	"item": [
		{
			"name": "Dog API - Loop through breeds",
			"event": [
				{
					"listen": "test",
					"script": {
						"id": "0fb55e66-c49d-4687-baf9-d30b36aa11ad",
						"exec": [
							"// Get current index",
							"let item = pm.globals.get(\"arrayIndex\");",
							"// If larger than number of elements in array minus 1 start with first element again",
							"if (Number(item) >= 3-1) {",
							"    pm.globals.set(\"arrayIndex\", 0);",
							"} else {",
							"    pm.globals.set(\"arrayIndex\", Number(item) + 1);",
							"}",
							"",
							"// Check if response code is 200 = success",
							"pm.test(\"Status code is 200\", function () {",
							"    pm.response.to.have.status(200);",
							"});"
						],
						"type": "text/javascript"
					}
				},
				{
					"listen": "prerequest",
					"script": {
						"id": "5d55d2a2-623b-442a-b2a6-615d9904a0b8",
						"exec": [
							"// List of breeds",
							"const dataArray = [\"hound\", \"beagle\", \"germanshepherd\"];",
							"",
							"// Get current index from environment (eye icon in top right corner)",
							"let item = pm.globals.get(\"arrayIndex\");",
							"",
							"// Store the current value of breed as environment variable",
							"pm.globals.set(\"breed\", dataArray[item]);"
						],
						"type": "text/javascript"
					}
				}
			],
			"request": {
				"method": "GET",
				"header": [],
				"body": {
					"mode": "raw",
					"raw": ""
				},
				"url": {
					"raw": "https://dog.ceo/api/breed/{{breed}}/images/random",
					"protocol": "https",
					"host": [
						"dog",
						"ceo"
					],
					"path": [
						"api",
						"breed",
						"{{breed}}",
						"images",
						"random"
					]
				}
			},
			"response": []
		},
		{
			"name": "Dog API - Loop with expected value",
			"event": [
				{
					"listen": "test",
					"script": {
						"id": "0fb55e66-c49d-4687-baf9-d30b36aa11ad",
						"exec": [
							"// Get current index",
							"let item = pm.globals.get(\"arrayIndex\");",
							"// If larger than number of elements in array minus 1 start with first element again",
							"if (Number(item) >= 3-1) {",
							"    pm.globals.set(\"arrayIndex\", 0);",
							"} else {",
							"    pm.globals.set(\"arrayIndex\", Number(item) + 1);",
							"}",
							"",
							"// Check if expected value is in response body",
							"let expected = pm.globals.get(\"expected_body_contains\");",
							"pm.test(\"Body matches string\", function () {",
							"    pm.expect(pm.response.text()).to.include(expected);",
							"});",
							"",
							"// Check if response code is 200 = success",
							"pm.test(\"Status code is 200\", function () {",
							"    pm.response.to.have.status(200);",
							"});"
						],
						"type": "text/javascript"
					}
				},
				{
					"listen": "prerequest",
					"script": {
						"id": "5d55d2a2-623b-442a-b2a6-615d9904a0b8",
						"exec": [
							"// List of breeds",
							"const dataArray = [\"hound\", \"beagle\", \"germanshepherd\"];",
							"",
							"// Expected value",
							"const expectedArray = [\"hound\", \"beagle\", \"germanshepherd\"];",
							"",
							"// Get current index from environment (eye icon in top right corner)",
							"let item = pm.globals.get(\"arrayIndex\");",
							"",
							"// Store the current value of breed and expected value contained in response body",
							"// as environment variable",
							"pm.globals.set(\"breed\", dataArray[item]);",
							"pm.globals.set(\"expected_body_contains\", expectedArray[item]);"
						],
						"type": "text/javascript"
					}
				}
			],
			"request": {
				"method": "GET",
				"header": [],
				"body": {
					"mode": "raw",
					"raw": ""
				},
				"url": {
					"raw": "https://dog.ceo/api/breed/{{breed}}/images/random",
					"protocol": "https",
					"host": [
						"dog",
						"ceo"
					],
					"path": [
						"api",
						"breed",
						"{{breed}}",
						"images",
						"random"
					]
				}
			},
			"response": []
		}
	]
}