added the ability to specify the number of iterations for k6 to run (#71)

* added ability to specify the number of iterations to run

updated package.json description and version number

updated readme to reflect changes

added check for iterations on the LoadTesting class

added iterations to the K6Options class

* fixed iterations in readme

Author: cameron-russell

README.MD

@@ -369,6 +369,7 @@ type K6Options = {
   withMutations?: boolean
   vus?: number
   duration?: string
+  iterations?: number
   out?: string[]
 }
 ```
@@ -431,6 +432,11 @@ You can select how many virtual users do you want for your tests, just pass to t
 You can select the duration for your tests, just pass to the options
 `duration: '<DURATION>s'`. It should be a string with units of the time e.g. `s`
 
+#### Iterations
+
+You can select the number of iterations to run by passing
+`iterations: <ITERATIONS>`. It should be an integer.
+
 #### Out
 
 You can also make k6 output detailed statistics in JSON format by using the --out/-o option for k6 run.

package.json

@@ -1,7 +1,7 @@
 {
   "name": "easygraphql-load-tester",
-  "version": "2.0.3",
-  "description": "Create GrapgQL queries to use with test loaders.",
+  "version": "2.0.4",
+  "description": "Create GraphQL queries to use with test loaders.",
   "main": "lib/index.js",
   "types": "lib/index.d.ts",
   "scripts": {

src/index.ts

@@ -78,6 +78,7 @@ export = class LoadTesting {
     const selectedVus = options?.vus || ''
 
     const selectedDuration = options?.duration || ''
+    const iterations = options?.iterations?.toString() || ''
 
     fs.writeFileSync(queryFileName, JSON.stringify(queries))
 
@@ -89,6 +90,7 @@ export = class LoadTesting {
       env: {
         K6_VUS: selectedVus.toString(), // check as string
         K6_DURATION: selectedDuration,
+        K6_ITERATIONS: iterations,
       },
     })
 

src/types/types.ts

@@ -25,6 +25,7 @@ export type ArtilleryOptions = {
 export type K6Options = ArtilleryOptions & {
   vus?: number
   duration?: string
+  iterations?: number
   out?: string[]
 }