Smoke test for Skate Plugin

skate-plugin/src/test/kotlin/com/slack/sgp/intellij/SkatePluginInitializationTest.kt

@@ -0,0 +1,29 @@
+package com.slack.sgp.intellij
+
+import com.google.common.truth.Truth.assertThat
+import com.intellij.openapi.components.service
+import com.intellij.testFramework.fixtures.BasePlatformTestCase
+import org.junit.Test
+
+class SkatePluginInitializationTest : BasePlatformTestCase() {
+
+  @Test
+  fun `test Skate Plugin Service Initialization to ensure SkateProjectService is properly registered & initialized`() {
+    val skateService = project.service<SkateProjectService>()
+
+    // Service should be an instance of SkateProjectServiceImpl
+    assertThat(skateService).isInstanceOf(SkateProjectServiceImpl::class.java)
+  }
+
+  @Test
+  fun `test Skate Plugin Settings Initialization`() {
+    val settings = project.service<SkatePluginSettings>()
+
+    // Assert that settings is not null
+    assertThat(settings).isNotNull()
+
+    // Check the default values
+    assertThat(settings.whatsNewFilePath).isEqualTo("CHANGELOG.md")
+    assertThat(settings.isWhatsNewEnabled).isTrue()
+  }
+}

skate-plugin/src/test/kotlin/com/slack/sgp/intellij/SkatePluginTest.kt

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+import com.google.common.truth.Truth.assertThat
+import com.intellij.openapi.components.service
+import com.intellij.openapi.project.Project
+import com.intellij.openapi.wm.ToolWindowAnchor
+import com.intellij.openapi.wm.ToolWindowManager
+import com.intellij.testFramework.fixtures.BasePlatformTestCase
+import com.intellij.util.ui.UIUtil
+import com.slack.sgp.intellij.SkatePluginSettings
+import com.slack.sgp.intellij.SkateProjectService
+import java.io.File
+import java.util.function.Supplier
+import org.junit.Before
+import org.junit.Test
+
+class SkatePluginTest : BasePlatformTestCase() {
+
+  @Before
+  fun setUpToolWindow() {
+    val toolWindowManager = ToolWindowManager.getInstance(project)
+    toolWindowManager.registerToolWindow("skate-whats-new") {
+      stripeTitle = Supplier { "What's New in Slack!" }
+      anchor = ToolWindowAnchor.RIGHT
+    }
+  }
+
+  @Test
+  fun `test opening project shows changelog panel`() {
+    val project = myFixture.project
+
+    val changelogFile = createChangelogFile(project)
+
+    val settings = project.service<SkatePluginSettings>()
+
+    // set default skate config settings
+    settings.isWhatsNewEnabled = true
+    settings.whatsNewFilePath = changelogFile.absolutePath
+
+    val skateService = project.service<SkateProjectService>()
+    skateService.showWhatsNewWindow()
+
+    // account for async functions?
+    UIUtil.dispatchAllInvocationEvents()
+
+    // test that the panel is opened.
+    val toolWindowManager = ToolWindowManager.getInstance(project)
+    val toolWindow = toolWindowManager.getToolWindow("skate-whats-new")
+    assertThat(toolWindow).isNotNull()
+    if (toolWindow != null) {
+      assertThat(toolWindow.isVisible).isTrue()
+    }
+
+    val contentManager = toolWindow?.contentManager
+    val content = contentManager?.getContent(0)
+    assertThat(content).isNotNull()
+    if (content != null) {
+      assertThat(changelogFile.name).isEqualTo(content.displayName)
+    }
+  }
+
+  private fun createChangelogFile(project: Project): File {
+    val changelogFile = File(project.basePath!!, "changelog.md")
+    changelogFile.writeText("# Changelog Sample")
+    return changelogFile
+  }
+}