Add benchmarks for kotlin-graphql library.

This library uses Spring plus kapt.

^KT-49921 In Progress

libraries/tools/gradle/regression-benchmarks/benchmarkScripts/files/graphql-kotlin-1.6.10.patch

@@ -0,0 +1,38 @@
+diff --git a/gradle.properties b/gradle.properties
+index c230ac55..0709e478 100644
+--- a/gradle.properties
++++ b/gradle.properties
+@@ -15,7 +15,7 @@ org.gradle.jvmargs=-Xmx2g -XX:MaxPermSize=512m -XX:+HeapDumpOnOutOfMemoryError
+ 
+ # dependencies
+ kotlinJvmVersion = 1.8
+-kotlinVersion = 1.5.31
++kotlinVersion = 1.6.10
+ kotlinCoroutinesVersion = 1.5.2
+ kotlinxSerializationVersion = 1.3.0
+ 
+diff --git a/servers/graphql-kotlin-spring-server/src/main/kotlin/com/expediagroup/graphql/server/spring/execution/SpringDataFetcher.kt b/servers/graphql-kotlin-spring-server/src/main/kotlin/com/expediagroup/graphql/server/spring/execution/SpringDataFetcher.kt
+index 871ffd39..c886f705 100644
+--- a/servers/graphql-kotlin-spring-server/src/main/kotlin/com/expediagroup/graphql/server/spring/execution/SpringDataFetcher.kt
++++ b/servers/graphql-kotlin-spring-server/src/main/kotlin/com/expediagroup/graphql/server/spring/execution/SpringDataFetcher.kt
+@@ -38,7 +38,6 @@ open class SpringDataFetcher(
+     private val applicationContext: ApplicationContext
+ ) : FunctionDataFetcher(target, fn, objectMapper) {
+ 
+-    @ExperimentalStdlibApi
+     override fun mapParameterToValue(param: KParameter, environment: DataFetchingEnvironment): Pair<KParameter, Any?>? =
+         if (param.hasAnnotation<Autowired>()) {
+             val qualifier = param.findAnnotation<Qualifier>()?.value
+diff --git a/servers/graphql-kotlin-spring-server/src/main/kotlin/com/expediagroup/graphql/server/spring/subscriptions/SubscriptionWebSocketHandler.kt b/servers/graphql-kotlin-spring-server/src/main/kotlin/com/expediagroup/graphql/server/spring/subscriptions/SubscriptionWebSocketHandler.kt
+index e8939483..5edb33f5 100644
+--- a/servers/graphql-kotlin-spring-server/src/main/kotlin/com/expediagroup/graphql/server/spring/subscriptions/SubscriptionWebSocketHandler.kt
++++ b/servers/graphql-kotlin-spring-server/src/main/kotlin/com/expediagroup/graphql/server/spring/subscriptions/SubscriptionWebSocketHandler.kt
+@@ -30,7 +30,7 @@ class SubscriptionWebSocketHandler(
+     private val objectMapper: ObjectMapper
+ ) : WebSocketHandler {
+ 
+-    @ExperimentalCoroutinesApi
++    @OptIn(ExperimentalCoroutinesApi::class)
+     @Suppress("ForbiddenVoid")
+     override fun handle(session: WebSocketSession): Mono<Void> {
+         val response = session.receive()

libraries/tools/gradle/regression-benchmarks/benchmarkScripts/files/graphql-kotlin-current.patch

@@ -0,0 +1,80 @@
+diff --git a/build.gradle.kts b/build.gradle.kts
+index ddc94d0f..d2f5b2f8 100644
+--- a/build.gradle.kts
++++ b/build.gradle.kts
+@@ -21,19 +21,15 @@ plugins {
+ allprojects {
+     buildscript {
+         repositories {
+-            mavenCentral()
+             mavenLocal()
++            mavenCentral()
+         }
+     }
+ 
+     repositories {
++        mavenLocal()
+         mavenCentral()
+         google()
+-        mavenLocal {
+-            content {
+-                includeGroup("com.expediagroup")
+-            }
+-        }
+     }
+ }
+ 
+diff --git a/gradle.properties b/gradle.properties
+index c230ac55..cf0412e9 100644
+--- a/gradle.properties
++++ b/gradle.properties
+@@ -15,7 +15,7 @@ org.gradle.jvmargs=-Xmx2g -XX:MaxPermSize=512m -XX:+HeapDumpOnOutOfMemoryError
+ 
+ # dependencies
+ kotlinJvmVersion = 1.8
+-kotlinVersion = 1.5.31
++kotlinVersion = <kotlin_version>
+ kotlinCoroutinesVersion = 1.5.2
+ kotlinxSerializationVersion = 1.3.0
+ 
+diff --git a/servers/graphql-kotlin-spring-server/src/main/kotlin/com/expediagroup/graphql/server/spring/execution/SpringDataFetcher.kt b/servers/graphql-kotlin-spring-server/src/main/kotlin/com/expediagroup/graphql/server/spring/execution/SpringDataFetcher.kt
+index 871ffd39..c886f705 100644
+--- a/servers/graphql-kotlin-spring-server/src/main/kotlin/com/expediagroup/graphql/server/spring/execution/SpringDataFetcher.kt
++++ b/servers/graphql-kotlin-spring-server/src/main/kotlin/com/expediagroup/graphql/server/spring/execution/SpringDataFetcher.kt
+@@ -38,7 +38,6 @@ open class SpringDataFetcher(
+     private val applicationContext: ApplicationContext
+ ) : FunctionDataFetcher(target, fn, objectMapper) {
+ 
+-    @ExperimentalStdlibApi
+     override fun mapParameterToValue(param: KParameter, environment: DataFetchingEnvironment): Pair<KParameter, Any?>? =
+         if (param.hasAnnotation<Autowired>()) {
+             val qualifier = param.findAnnotation<Qualifier>()?.value
+diff --git a/servers/graphql-kotlin-spring-server/src/main/kotlin/com/expediagroup/graphql/server/spring/subscriptions/SubscriptionWebSocketHandler.kt b/servers/graphql-kotlin-spring-server/src/main/kotlin/com/expediagroup/graphql/server/spring/subscriptions/SubscriptionWebSocketHandler.kt
+index e8939483..5edb33f5 100644
+--- a/servers/graphql-kotlin-spring-server/src/main/kotlin/com/expediagroup/graphql/server/spring/subscriptions/SubscriptionWebSocketHandler.kt
++++ b/servers/graphql-kotlin-spring-server/src/main/kotlin/com/expediagroup/graphql/server/spring/subscriptions/SubscriptionWebSocketHandler.kt
+@@ -30,7 +30,7 @@ class SubscriptionWebSocketHandler(
+     private val objectMapper: ObjectMapper
+ ) : WebSocketHandler {
+ 
+-    @ExperimentalCoroutinesApi
++    @OptIn(ExperimentalCoroutinesApi::class)
+     @Suppress("ForbiddenVoid")
+     override fun handle(session: WebSocketSession): Mono<Void> {
+         val response = session.receive()
+diff --git a/settings.gradle.kts b/settings.gradle.kts
+index 1a1329f8..c8aba3da 100644
+--- a/settings.gradle.kts
++++ b/settings.gradle.kts
+@@ -8,6 +8,11 @@ pluginManagement {
+     val pluginPublishPluginVersion: String by settings
+     val springBootVersion: String by settings
+ 
++    repositories {
++        mavenLocal()
++        gradlePluginPortal()
++    }
++
+     plugins {
+         kotlin("jvm") version kotlinVersion
+         kotlin("kapt") version kotlinVersion

libraries/tools/gradle/regression-benchmarks/benchmarkScripts/graphql-kotlin.benchmark.kts

@@ -0,0 +1,74 @@
+/*
+ * Copyright 2010-2021 JetBrains s.r.o. and Kotlin Programming Language contributors.
+ * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
+ */
+
+// Quite big library written in Kotlin:
+// - uses Spring boot
+// - uses Kotlin kapt
+@file:BenchmarkProject(
+    name = "graphql-kotlin",
+    gitUrl = "https://github.com/ExpediaGroup/graphql-kotlin.git",
+    gitCommitSha = "fac1e41914f6a8a0a494082752a4e3674b812a3f"
+)
+
+import java.io.File
+
+val stableReleasePatch = {
+    "graphql-kotlin-1.6.10.patch" to File("benchmarkScripts/files/graphql-kotlin-1.6.10.patch").inputStream()
+}
+
+val currentReleasePatch = {
+    "graphql-kotlin-current.patch" to File("benchmarkScripts/files/graphql-kotlin-current.patch")
+        .readText()
+        .run { replace("<kotlin_version>", currentKotlinVersion) }
+        .byteInputStream()
+}
+
+runAllBenchmarks(
+    suite {
+        scenario {
+            title = "Spring server clean build"
+            useGradleArgs("--no-build-cache")
+
+            runTasks(":graphql-kotlin-spring-server:assemble")
+            runCleanupTasks("clean")
+        }
+
+        scenario {
+            title = "Spring client clean build"
+            useGradleArgs("--no-build-cache")
+
+            runTasks(":graphql-kotlin-spring-client:assemble")
+            runCleanupTasks("clean")
+        }
+
+        scenario {
+            title = "Ktor client clean build"
+            useGradleArgs("--no-build-cache")
+
+            runTasks(":graphql-kotlin-ktor-client:assemble")
+            runCleanupTasks("clean")
+        }
+
+        scenario {
+            title = "Incremental Spring server build with ABI change in FederatedSchemaGenerator"
+            useGradleArgs("--no-build-cache")
+
+            runTasks(":graphql-kotlin-spring-server:assemble")
+            applyAbiChangeTo("generator/graphql-kotlin-federation/src/main/kotlin/com/expediagroup/graphql/generator/federation/FederatedSchemaGenerator.kt")
+        }
+
+        scenario {
+            title = "Incremental Spring client build with ABI change in GraphQLClient"
+            useGradleArgs("--no-build-cache")
+
+            runTasks(":graphql-kotlin-spring-server:assemble")
+            applyAbiChangeTo("clients/graphql-kotlin-client/src/main/kotlin/com/expediagroup/graphql/client/GraphQLClient.kt")
+        }
+    },
+    mapOf(
+        "1.6.10" to stableReleasePatch,
+        "1.6.20" to currentReleasePatch
+    )
+)

libraries/tools/gradle/regression-benchmarks/build.gradle.kts

@@ -59,6 +59,7 @@ fun addBenchmarkTask(
 
         dependsOn(":kotlin-gradle-plugin:install")
 
+        outputs.upToDateWhen { false }
         javaLauncher.set(service.launcherFor {
             languageVersion.set(jdkVersion)
         })
@@ -130,3 +131,8 @@ addBenchmarkTask(
 ) {
     usesAndroidSdk()
 }
+
+addBenchmarkTask(
+    taskName = "benchmarkRegressionGraphql",
+    script = "graphql-kotlin.benchmark.kts"
+)