feat(ldd): property-based, mutation и браузерный E2E

services/identity-service/build.gradle.kts

@@ -2,6 +2,57 @@ plugins {
     id("lms.spring-boot")
 }
 
+/** PIT через CLI: Gradle-плагин 1.15 несовместим с Gradle 9.6, JUnit5-плагин — с JUnit Platform 6. */
+val pitest by configurations.creating
+
+dependencies {
+    add("pitest", libs.pitestCommandLine)
+}
+
+tasks.register<JavaExec>("pitestPromotionPlanner") {
+    group = "verification"
+    description = "Mutation testing PromotionPlanner (P0 promotion rules)"
+    dependsOn(tasks.testClasses)
+    classpath = pitest + sourceSets.getByName("test").runtimeClasspath
+    mainClass.set("org.pitest.mutationtest.commandline.MutationCoverageReport")
+    val reportDir =
+        layout.buildDirectory
+            .dir("reports/pitest-promotion-planner")
+            .get()
+            .asFile
+            .absolutePath
+    val sourceDirs =
+        sourceSets.main
+            .get()
+            .kotlin.srcDirs
+            .joinToString(",") { it.absolutePath }
+    val testClasspath = sourceSets.getByName("test").runtimeClasspath.asPath
+    args(
+        "--reportDir",
+        reportDir,
+        "--targetClasses",
+        "ru.ysu.lms.identity.promotion.PromotionPlanner",
+        "--targetTests",
+        "ru.ysu.lms.identity.promotion.PromotionPlannerMutationTest",
+        "--sourceDirs",
+        sourceDirs,
+        "--classPath",
+        testClasspath,
+        "--mutators",
+        "STRONGER",
+        "--threads",
+        "1",
+        "--outputFormats",
+        "XML,HTML",
+        "--timestampedReports",
+        "false",
+        "--timeoutConst",
+        "15000",
+        "--failWhenNoMutations",
+        "true",
+    )
+}
+
 dependencies {
     implementation(platform(libs.springBootBom))
 
@@ -15,6 +66,8 @@ dependencies {
     implementation(libs.flywayPostgresql)
     runtimeOnly(libs.postgresql)
     implementation(libs.jacksonYaml)
+    implementation(libs.jacksonModuleKotlin)
+    implementation(libs.jackson3ModuleKotlin)
     implementation(libs.springdocStarterWebmvcUi)
     implementation(libs.apachePoiOoxml)
 
@@ -24,6 +77,8 @@ dependencies {
     testImplementation(project(":libs:test-support"))
     testImplementation(libs.springBootStarterTest)
     testImplementation(libs.springSecurityTest)
+    // PIT JUnit5-плагин несовместим с JUnit Platform 6; mutation harness — JUnit 4.
+    testImplementation("junit:junit:4.13.2")
 }
 
 springBoot {