GH-1 Plug-in uninstallation is corrected, LanguageSupportState added …

…to manage the plug-in's state, some reworks for the plug-in's state management, added full unit tests coverage

Signed-off-by: Uladzislau <[email protected]>

.github/workflows/build.yml

@@ -24,7 +24,11 @@ jobs:
         shell: bash
         run: pwd && ls -la
 
-      - name: Build plugin
+      - name: Test plugin
+        shell: bash
+        run: ./gradlew test
+
+      - name: Build plugin's binary
         shell: bash
         run: ./gradlew buildPlugin
 

build.gradle.kts

@@ -16,10 +16,14 @@ plugins {
   id("java")
   id("org.jetbrains.kotlin.jvm") version "1.9.21"
   id("org.jetbrains.intellij") version "1.16.1"
+  id("org.jetbrains.kotlinx.kover") version "0.8.1"
 }
 
 group = properties("pluginGroup").get()
 version = properties("pluginVersion").get()
+val kotestVersion = "5.9.1"
+val mockkVersion = "1.13.11"
+val junitVersion = ""
 
 repositories {
   mavenCentral()
@@ -32,7 +36,20 @@ intellij {
 //  pluginsRepositories {
 //    custom("https://plugins.jetbrains.com/plugins/nightly/23257")
 //  }
-  plugins.set(listOf("org.jetbrains.plugins.textmate", "com.redhat.devtools.lsp4ij:0.0.1"))
+  plugins.set(listOf("org.jetbrains.plugins.textmate", "com.redhat.devtools.lsp4ij:0.0.2"))
+}
+
+dependencies {
+  // ===== Test env setup =====
+  // Kotest
+  testImplementation("io.kotest:kotest-runner-junit5:$kotestVersion")
+  testImplementation("io.kotest:kotest-assertions-core:$kotestVersion")
+  // MockK
+  testImplementation("io.mockk:mockk:$mockkVersion")
+  // JUnit Platform (needed for Kotest)
+  testImplementation("org.junit.platform:junit-platform-launcher:1.10.2")
+  // ==========================
+
 }
 
 tasks {
@@ -50,4 +67,12 @@ tasks {
     sinceBuild.set(properties("pluginSinceBuild").get())
     untilBuild.set(properties("pluginUntilBuild").get())
   }
+
+  test {
+    useJUnitPlatform()
+    testLogging {
+      events("passed", "skipped", "failed")
+    }
+    finalizedBy("koverHtmlReport")
+  }
 }

src/main/kotlin/org/zowe/cobol/CobolProjectManagerListener.kt

@@ -0,0 +1,48 @@
+/*
+ * Copyright (c) 2024 IBA Group.
+ *
+ * This program and the accompanying materials are made available under the terms of the
+ * Eclipse Public License v2.0 which accompanies this distribution, and is available at
+ * https://www.eclipse.org/legal/epl-v20.html
+ *
+ * SPDX-License-Identifier: EPL-2.0
+ *
+ * Contributors:
+ *   IBA Group
+ *   Zowe Community
+ */
+
+package org.zowe.cobol
+
+import com.intellij.openapi.components.service
+import com.intellij.openapi.project.Project
+import com.intellij.openapi.project.ProjectManager
+import com.intellij.openapi.project.ProjectManagerListener
+import org.zowe.cobol.state.CobolPluginState
+import org.zowe.cobol.state.InitializationOnly
+import org.zowe.cobol.state.LanguageSupportStateService
+
+/** COBOL project manager listener. Listens to projects changes and react to them respectively */
+class CobolProjectManagerListener : ProjectManagerListener {
+
+  /**
+   * Delete TextMate bundle if the last opened project is being closed
+   * (the only possible way to handle plug-in's TextMate bundle to be deleted when the plug-in is uninstalled)
+   */
+  @OptIn(InitializationOnly::class)
+  override fun projectClosing(project: Project) {
+    val lsStateService = LanguageSupportStateService.instance
+    val pluginState = lsStateService.getPluginState(project) { CobolPluginState(project) }
+
+    if (isLastProjectClosing() && (pluginState.isLSPClientReady() || pluginState.isLSPServerConnectionReady())) {
+      pluginState.unloadLSPClient {}
+      pluginState.finishDeinitialization {}
+    }
+  }
+
+  /** Check if the project being closed is the last one that was opened */
+  private fun isLastProjectClosing(): Boolean {
+    return ProjectManager.getInstance().openProjects.size == 1
+  }
+
+}