Cleanup load test script. (#234)

conradwt · Aug 4, 2024 · b3e5292 · b3e5292
1 parent 799b69c
commit b3e5292
Showing 1 changed file with 33 additions and 28 deletions.
diff --git a/performance/script.js b/performance/script.js
@@ -2,11 +2,12 @@ import { check, sleep } from 'k6';
 import { randomIntBetween } from 'https://jslib.k6.io/k6-utils/1.2.0/index.js';
 import { Httpx } from 'https://jslib.k6.io/httpx/0.1.0/index.js';
 
-// const http = new Httpx({
-//   baseUrl: 'http://localhost:4000'
-// });
-
-const http = new Httpx();
+const http = new Httpx({
+  baseURL: 'http://localhost:4000',
+  headers: {
+    'Content-Type': 'application/json',
+  },
+});
 
 const pauseMin = 2;
 const pauseMax = 6;
@@ -26,29 +27,35 @@ export const options = {
   thresholds: {
     // load_generator_memory_used_percent: [{ threshold: 'value<=80', abortOnFail: true }],
     // load_generator_cpu_percent: [{ threshold: 'value<=80', abortOnFail: true }],
-    http_req_duration: ['p(95)<=1000'],
+    http_req_failed: [{ threshold: 'rate<0.01', abortOnFail: true }], // http errors should be less than 1%, otherwise abort the test
+    http_req_duration: ['p(95) <= 100'], // 95% of the requests must complete in 100ms.
+    http_req_duration: ['p(99) <= 100'], // 99% of the requests must complete in 100ms.
   },
   scenarios: {
     getPersonByID: {
       executor: 'ramping-vus',
-      gracefulStop: '30s',
+      // gracefulStop: '30s',
+      startVUs: 0,
       stages: [
-        { target: 20, duration: '1m' },
-        { target: 20, duration: '3m30s' },
-        { target: 0, duration: '1m' },
+        { duration: '1m',    target: 20 }, // ramp up
+        { duration: '1m30s', target: 20 }, // stable
+        { duration: '1m',    target: 0  }, // ramp down to 0 users
       ],
-      gracefulRampDown: '30s',
+      // gracefulRampDown: '30s',
+      gracefulRampDown: '0s',
       exec: 'getPersonByID',
     },
     getPeople: {
       executor: 'ramping-vus',
-      gracefulStop: '30s',
+      // gracefulStop: '30s',
+      startVUs: 0,
       stages: [
-        { target: 20, duration: '1m' },
-        { target: 20, duration: '3m30s' },
-        { target: 0, duration: '1m' },
+        { duration: '1m',    target: 20 }, // ramp up
+        { duration: '1m30s', target: 20 }, // stable
+        { duration: '1m',    target: 0  }, // ramp down to 0 users
       ],
-      gracefulRampDown: '30s',
+      // gracefulRampDown: '30s',
+      gracefulRampDown: '0s',
       exec: 'getPeople',
     },
   },
@@ -58,14 +65,14 @@ export const options = {
 
 export function getPersonByID() {
   // Get Person By ID
-  getPersonByID(randomIntBetween(1, 4))
+  _getPersonByID(randomIntBetween(1, 4))
 
   // Add random delay
   sleep(randomIntBetween(pauseMin, pauseMax))
 }
 
-export async function getPersonByID(id) {
-  const query = gql`
+export async function _getPersonByID(id) {
+  const query = `
     query GetPersonByID($id: ID!) {
       person(id: $id) {
         firstName
@@ -82,10 +89,8 @@ export async function getPersonByID(id) {
     }
   `;
 
-  http.addHeader('Content-Type', 'application/json')
-
   const response = await http.asyncPost(
-    'http://localhost:4000/graphql',
+    '/graphql',
     JSON.stringify({
       query: query,
       variables: {
@@ -99,6 +104,7 @@ export async function getPersonByID(id) {
     })
   )
 
+  // check that response is 200
   check(response, {
     "status was 200": (r) => r.status === 200
   })
@@ -108,14 +114,14 @@ export async function getPersonByID(id) {
 
 export function getPeople() {
   // Get People
-  getPeople()
+  _getPeople()
 
   // Add random delay
   sleep(randomIntBetween(pauseMin, pauseMax))
 }
 
-export async function getPeople() {
-  const query = gql`
+export async function _getPeople() {
+  const query = `
     query GetPeople {
       people {
         id
@@ -134,10 +140,8 @@ export async function getPeople() {
     }
   `;
 
-  http.addHeader('Content-Type', 'application/json')
-
   const response = await http.asyncPost(
-    'http://localhost:4000/graphql',
+    '/graphql',
     JSON.stringify({
       query: query
     },
@@ -148,6 +152,7 @@ export async function getPeople() {
     })
   )
 
+  // check that response is 200
   check(response, {
     "status was 200": (r) => r.status === 200
   })