test: added tests

build.gradle.kts

@@ -1,5 +1,3 @@
-import org.gradle.kotlin.dsl.configure
-import org.gradle.kotlin.dsl.withType
 import org.jetbrains.kotlin.gradle.dsl.KotlinJvmProjectExtension
 import org.jetbrains.kotlin.gradle.plugin.KotlinPlatformJvmPlugin
 
@@ -49,6 +47,13 @@ for ((majorVersion, fullVersion) in mpsVersions) {
                 into(mpsDir)
             }
         }
+        // The build number of a local IDE is expected to contain a product code, otherwise an exception is thrown.
+        val buildTxt = mpsDir.get().asFile.resolve("build.txt")
+        val buildNumber = buildTxt.readText()
+        val prefix = "MPS-"
+        if (!buildNumber.startsWith(prefix)) {
+            buildTxt.writeText("$prefix$buildNumber")
+        }
 
         dependencies {
             "implementation"(project(":api"))
@@ -69,6 +74,15 @@ for ((majorVersion, fullVersion) in mpsVersions) {
         }
     }
 
+    if (majorVersion < 242) { // MPS is not yet compatible with the new intellij plugin
+        project(":test:$majorVersion") {
+            apply(plugin = "org.jetbrains.kotlin.jvm")
+            tasks.named("test") {
+                dependsOn(":lib:shadowJar")
+            }
+        }
+    }
+
     previousMajorVersions_ += majorVersion
 }
 

gradle.properties

@@ -1,4 +1,4 @@
-org.gradle.configuration-cache=true
+org.gradle.configuration-cache=false
 org.gradle.parallel=true
 org.gradle.caching=true
 kotlin.daemon.jvmargs=-Xmx2g

gradle/libs.versions.toml

@@ -9,3 +9,5 @@
 kotlin-jvm = { id = "org.jetbrains.kotlin.jvm", version = "2.1.10" }
 shadow = { id = "com.gradleup.shadow", version = "9.0.0-beta6" }
 binaryCompatibility = { id ="org.jetbrains.kotlinx.binary-compatibility-validator", version = "0.17.0" }
+intellij = { id = "org.jetbrains.intellij", version = "1.17.4" }
+intellij2 = { id = "org.jetbrains.intellij.platform", version = "2.2.1" }

settings.gradle.kts

@@ -6,6 +6,7 @@ plugins {
 rootProject.name = "modelix.mps-api"
 include("api")
 include("lib")
+include("test")
 
 // https://artifacts.itemis.cloud/service/rest/repository/browse/maven-mps/com/jetbrains/mps/
 val mpsVersions = mapOf<Int, String>(
@@ -23,4 +24,7 @@ val mpsVersions = mapOf<Int, String>(
 
 for (majorVersion in mpsVersions.keys) {
     include("impl$majorVersion")
+    if (majorVersion < 242) { // MPS is not yet compatible with the new intellij plugin
+        include(":test:$majorVersion")
+    }
 }

test/203/build.gradle.kts

@@ -0,0 +1,19 @@
+plugins {
+    alias(libs.plugins.intellij)
+    alias(libs.plugins.kotlin.jvm)
+}
+
+intellij {
+    localPath = project(":impl203").layout.buildDirectory.dir("mps").map { it.asFile.absolutePath }
+    instrumentCode = false
+}
+
+tasks {
+    buildSearchableOptions {
+        enabled = false
+    }
+}
+
+dependencies {
+    testImplementation(project(":lib"))
+}

test/203/src/test/kotlin/TestBase.kt

@@ -0,0 +1,103 @@
+import com.intellij.ide.impl.OpenProjectTask
+import com.intellij.openapi.Disposable
+import com.intellij.openapi.application.ApplicationManager
+import com.intellij.openapi.project.Project
+import com.intellij.openapi.project.ProjectManager
+import com.intellij.openapi.project.ex.ProjectManagerEx
+import com.intellij.openapi.util.Disposer
+import com.intellij.testFramework.TestApplicationManager
+import com.intellij.testFramework.UsefulTestCase
+import com.intellij.util.io.delete
+import jetbrains.mps.ide.ThreadUtils
+import jetbrains.mps.ide.project.ProjectHelper
+import jetbrains.mps.project.MPSProject
+import java.io.File
+import java.nio.file.Files
+import java.nio.file.Path
+
+/**
+ * Based on org.jetbrains.uast.test.env.AbstractLargeProjectTest
+ */
+@Suppress("removal")
+abstract class TestBase(val testDataName: String?) : UsefulTestCase() {
+    init {
+        // workaround for MPS 2023.3 failing to start in test mode
+        System.setProperty("intellij.platform.load.app.info.from.resources", "true")
+    }
+
+    protected lateinit var project: Project
+
+    override fun runInDispatchThread() = false
+
+    override fun setUp() {
+        super.setUp()
+        TestApplicationManager.getInstance()
+        project = openTestProject()
+    }
+
+    override fun tearDown() {
+        super.tearDown()
+    }
+
+    private fun openTestProject(): Project {
+        val projectDirParent = Path.of("build", "test-projects").toAbsolutePath()
+        projectDirParent.toFile().mkdirs()
+        val projectDir = Files.createTempDirectory(projectDirParent, "mps-project")
+        projectDir.delete(recursively = true)
+        projectDir.toFile().mkdirs()
+        projectDir.toFile().deleteOnExit()
+        val project = if (testDataName != null) {
+            val sourceDir = File("testdata/$testDataName")
+            sourceDir.copyRecursively(projectDir.toFile(), overwrite = true)
+            ProjectManagerEx.getInstanceEx().openProject(projectDir, OpenProjectTask())!!
+        } else {
+            ProjectManagerEx.getInstanceEx().newProject(projectDir, OpenProjectTask())!!
+        }
+
+        disposeOnTearDownInEdt { runCatching { ProjectManager.getInstance().closeAndDispose(project) } }
+
+        ApplicationManager.getApplication().invokeAndWait {
+            // empty - openTestProject executed not in EDT, so, invokeAndWait just forces
+            // processing of all events that were queued during project opening
+        }
+
+        return project
+    }
+
+    private fun disposeOnTearDownInEdt(runnable: Runnable) {
+        Disposer.register(
+            testRootDisposable,
+            Disposable {
+                ApplicationManager.getApplication().invokeAndWait(runnable)
+            },
+        )
+    }
+
+    protected val mpsProject: MPSProject get() {
+        return checkNotNull(ProjectHelper.fromIdeaProject(project)) { "MPS project not loaded" }
+    }
+
+    protected fun <R> writeAction(body: () -> R): R {
+        return mpsProject.modelAccess.computeWriteAction(body)
+    }
+
+    protected fun <R> writeActionOnEdt(body: () -> R): R {
+        return onEdt { writeAction { body() } }
+    }
+
+    protected fun <R> onEdt(body: () -> R): R {
+        var result: R? = null
+        ThreadUtils.runInUIThreadAndWait {
+            result = body()
+        }
+        return result as R
+    }
+
+    protected fun <R> readAction(body: () -> R): R {
+        var result: R? = null
+        mpsProject.modelAccess.runReadAction {
+            result = body()
+        }
+        return result as R
+    }
+}

test/203/src/test/kotlin/VirtualFolderTests203.kt

@@ -0,0 +1,10 @@
+import org.modelix.mps.api.ModelixMpsApi
+
+class VirtualFolderTests203 : TestBase("SimpleProject") {
+
+    fun `test getVirtualFolder`() {
+        val module = ModelixMpsApi.getMPSProjects().single().projectModules.single()
+        val folder = ModelixMpsApi.getVirtualFolder(module)
+        assertEquals("myFolder", folder)
+    }
+}

test/203/testdata/SimpleProject/.mps/modules.xml

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="MPSProject">
+    <projectModules>
+      <modulePath path="$PROJECT_DIR$/solutions/Solution1/Solution1.msd" folder="myFolder" />
+    </projectModules>
+  </component>
+</project>

test/203/testdata/SimpleProject/solutions/Solution1/Solution1.msd

@@ -0,0 +1,22 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<solution name="Solution1" uuid="6517ba0d-f632-49c5-a166-401587c2c3ca" moduleVersion="0" compileInMPS="true">
+  <models>
+    <modelRoot contentPath="${module}" type="default">
+      <sourceRoot location="models" />
+    </modelRoot>
+  </models>
+  <facets>
+    <facet type="java">
+      <classes generated="true" path="${module}/classes_gen" />
+    </facet>
+  </facets>
+  <sourcePath />
+  <languageVersions>
+    <language slang="l:f3061a53-9226-4cc5-a443-f952ceaf5816:jetbrains.mps.baseLanguage" version="11" />
+    <language slang="l:ceab5195-25ea-4f22-9b92-103b95ca8c0c:jetbrains.mps.lang.core" version="2" />
+    <language slang="l:9ded098b-ad6a-4657-bfd9-48636cfe8bc3:jetbrains.mps.lang.traceable" version="0" />
+  </languageVersions>
+  <dependencyVersions>
+    <module reference="6517ba0d-f632-49c5-a166-401587c2c3ca(Solution1)" version="0" />
+  </dependencyVersions>
+</solution>

test/203/testdata/SimpleProject/solutions/Solution1/models/Solution1.model1.mps

@@ -0,0 +1,42 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<model ref="r:630db018-71e0-498d-8b21-6ec252b3533a(Solution1.model1)">
+  <persistence version="9" />
+  <languages>
+    <use id="f3061a53-9226-4cc5-a443-f952ceaf5816" name="jetbrains.mps.baseLanguage" version="11" />
+  </languages>
+  <imports />
+  <registry>
+    <language id="f3061a53-9226-4cc5-a443-f952ceaf5816" name="jetbrains.mps.baseLanguage">
+      <concept id="1068390468198" name="jetbrains.mps.baseLanguage.structure.ClassConcept" flags="ig" index="312cEu" />
+      <concept id="1068580123132" name="jetbrains.mps.baseLanguage.structure.BaseMethodDeclaration" flags="ng" index="3clF44">
+        <child id="1068580123133" name="returnType" index="3clF45" />
+        <child id="1068580123135" name="body" index="3clF47" />
+      </concept>
+      <concept id="1068580123165" name="jetbrains.mps.baseLanguage.structure.InstanceMethodDeclaration" flags="ig" index="3clFb_" />
+      <concept id="1068580123136" name="jetbrains.mps.baseLanguage.structure.StatementList" flags="sn" stub="5293379017992965193" index="3clFbS" />
+      <concept id="1068581517677" name="jetbrains.mps.baseLanguage.structure.VoidType" flags="in" index="3cqZAl" />
+      <concept id="1107461130800" name="jetbrains.mps.baseLanguage.structure.Classifier" flags="ng" index="3pOWGL">
+        <child id="5375687026011219971" name="member" index="jymVt" unordered="true" />
+      </concept>
+      <concept id="1178549954367" name="jetbrains.mps.baseLanguage.structure.IVisible" flags="ng" index="1B3ioH">
+        <child id="1178549979242" name="visibility" index="1B3o_S" />
+      </concept>
+      <concept id="1146644602865" name="jetbrains.mps.baseLanguage.structure.PublicVisibility" flags="nn" index="3Tm1VV" />
+    </language>
+    <language id="ceab5195-25ea-4f22-9b92-103b95ca8c0c" name="jetbrains.mps.lang.core">
+      <concept id="1169194658468" name="jetbrains.mps.lang.core.structure.INamedConcept" flags="ng" index="TrEIO">
+        <property id="1169194664001" name="name" index="TrG5h" />
+      </concept>
+    </language>
+  </registry>
+  <node concept="312cEu" id="3cIAtmcX1Sw">
+    <property role="TrG5h" value="Class1" />
+    <node concept="3clFb_" id="3cIAtmcX1Te" role="jymVt">
+      <property role="TrG5h" value="method1" />
+      <node concept="3cqZAl" id="3cIAtmcX1Tg" role="3clF45" />
+      <node concept="3Tm1VV" id="3cIAtmcX1Th" role="1B3o_S" />
+      <node concept="3clFbS" id="3cIAtmcX1Ti" role="3clF47" />
+    </node>
+    <node concept="3Tm1VV" id="3cIAtmcX1Sx" role="1B3o_S" />
+  </node>
+</model>

test/211/build.gradle.kts

@@ -0,0 +1,19 @@
+plugins {
+    alias(libs.plugins.intellij)
+    alias(libs.plugins.kotlin.jvm)
+}
+
+intellij {
+    localPath = project(":impl211").layout.buildDirectory.dir("mps").map { it.asFile.absolutePath }
+    instrumentCode = false
+}
+
+tasks {
+    buildSearchableOptions {
+        enabled = false
+    }
+}
+
+dependencies {
+    testImplementation(project(":lib"))
+}