Run unit test suites in parallel (opensearch-project#4190)

Signed-off-by: Simeon Widdis <sawiddis@gmail.com>

Author: Swiddis

DEVELOPER_GUIDE.rst

@@ -225,7 +225,9 @@ Building and Running Tests
 Gradle Build
 ------------
 
-Most of the time you just need to run ./gradlew build which will make sure you pass all checks and testing. While you're developing, you may want to run specific Gradle task only. In this case, you can run ./gradlew with task name which only triggers the task along with those it depends on. Here is a list for common tasks:
+Most of the time you just need to run ``./gradlew build`` which will make sure you pass all checks and testing. While you're developing, you may want to run specific Gradle task only. In this case, you can run ./gradlew with task name which only triggers the task along with those it depends on. Here is a list for common tasks:
+
+For faster local iterations, the build can skip integration and doctests. ``./gradlew build --parallel -x integTest -x doctest``.
 
 .. list-table::
    :widths: 30 50

async-query-core/build.gradle

@@ -85,6 +85,7 @@ spotless {
 }
 
 test {
+    maxParallelForks = Runtime.runtime.availableProcessors()
     useJUnitPlatform()
     testLogging {
         events "skipped", "failed"

async-query/build.gradle

@@ -53,6 +53,7 @@ dependencies {
 }
 
 test {
+    maxParallelForks = Runtime.runtime.availableProcessors()
     useJUnitPlatform {
         includeEngines("junit-jupiter")
     }

core/build.gradle

@@ -94,6 +94,7 @@ spotless {
 }
 
 test {
+    maxParallelForks = Runtime.runtime.availableProcessors()
     useJUnitPlatform()
     testLogging {
         events "skipped", "failed"

datasources/build.gradle

@@ -38,6 +38,7 @@ dependencies {
 }
 
 test {
+    maxParallelForks = Runtime.runtime.availableProcessors()
     useJUnitPlatform()
     testLogging {
         events "skipped", "failed"

legacy/build.gradle

@@ -84,6 +84,7 @@ compileTestJava {
 
 // TODO: Need to update integration test to use OpenSearch test framework
 test {
+    maxParallelForks = Runtime.runtime.availableProcessors()
     include '**/*Test.class'
     exclude 'org/opensearch/sql/intgtest/**'
     // Gradle runs unit test using a working directory other and project root

opensearch/build.gradle

@@ -85,6 +85,7 @@ pitest {
 }
 
 test {
+    maxParallelForks = Runtime.runtime.availableProcessors()
     useJUnitPlatform()
     testLogging {
         events "skipped", "failed"

plugin/build.gradle

@@ -172,6 +172,7 @@ dependencies {
 }
 
 test {
+    maxParallelForks = Runtime.runtime.availableProcessors()
     include '**/*Test.class'
     testLogging {
         events "passed", "skipped", "failed"

ppl/build.gradle

@@ -86,6 +86,7 @@ spotless {
 }
 
 test {
+    maxParallelForks = Runtime.runtime.availableProcessors()
     testLogging {
         events "passed", "skipped", "failed"
         exceptionFormat "full"

prometheus/build.gradle

@@ -32,6 +32,7 @@ dependencies {
 }
 
 test {
+    maxParallelForks = Runtime.runtime.availableProcessors()
     useJUnitPlatform()
     testLogging {
         events "passed", "skipped", "failed"