add function test to check pom file

Author: 0xera

grease/build.gradle.kts

@@ -1,18 +1,36 @@
 plugins {
+    `jvm-test-suite`
     `kotlin-dsl`
     alias(libs.plugins.publisher)
 }
 
 group = "io.deepmedia.tools"
 version = "0.3.2"
 
+testing {
+    suites {
+        register<JvmTestSuite>("functionalTest") {
+            useJUnit()
+            testType.set(TestSuiteType.FUNCTIONAL_TEST)
+
+            dependencies {
+                implementation(gradleTestKit())
+                implementation(project.dependencies.kotlin("test") as String)
+                implementation(project.dependencies.kotlin("test-junit") as String)
+            }
+        }
+    }
+}
+
 gradlePlugin {
     plugins {
         create("grease") {
             id = "io.deepmedia.tools.grease"
             implementationClass = "io.deepmedia.tools.grease.GreasePlugin"
         }
     }
+
+    testSourceSets(sourceSets["functionalTest"])
 }
 
 dependencies {

grease/src/functionalTest/kotlin/io/deepmedia/tools/grease/GeneratedPomFileTest.kt

@@ -0,0 +1,104 @@
+package io.deepmedia.tools.grease
+
+import org.gradle.testkit.runner.GradleRunner
+import java.nio.file.Path
+import kotlin.io.path.ExperimentalPathApi
+import kotlin.io.path.createTempDirectory
+import kotlin.io.path.deleteRecursively
+import kotlin.io.path.readText
+import kotlin.io.path.writeText
+import kotlin.test.AfterTest
+import kotlin.test.BeforeTest
+import kotlin.test.Test
+import kotlin.test.assertContains
+import kotlin.test.assertFails
+import kotlin.test.assertFalse
+
+class GeneratedPomFileTest  {
+
+    private var testProjectDir = createTempDirectory("tmp")
+    private lateinit var settingsFile: Path
+    private lateinit var buildFile: Path
+
+    @BeforeTest
+    fun setup() {
+        settingsFile = testProjectDir.resolve("settings.gradle.kts")
+        buildFile = testProjectDir.resolve("build.gradle.kts")
+    }
+
+    @Test
+    fun test() {
+        buildFile.writeText(
+            """
+                plugins {
+                    `maven-publish`
+                    id("com.android.library") version "8.1.4"
+                }
+                
+                apply<io.deepmedia.tools.grease.GreasePlugin>()
+
+                android {
+                    namespace = "io.deepmedia.tools.grease.sample"
+                    compileSdk = 34
+                    defaultConfig {
+                        minSdk = 21
+                    }
+                    publishing {
+                        singleVariant("debug") {
+                            withSourcesJar()
+                        }
+                    }
+                }
+                
+                repositories {
+                    google()
+                    gradlePluginPortal()
+                    mavenCentral()
+                }
+
+                publishing {
+                    publications {
+                        create("Test", MavenPublication::class.java) {
+                            afterEvaluate {
+                                from(components["debug"])
+                            }
+                        }
+                    }
+                }
+                dependencies {
+                    "grease"("com.otaliastudios:cameraview:2.7.2")
+                    "greaseTree"("androidx.core:core:1.0.0")
+                }
+            """.trimIndent()
+        )
+
+        settingsFile.writeText("""
+            pluginManagement {
+                repositories {
+                    google()
+                    gradlePluginPortal()
+                    mavenCentral()
+                }
+            }
+            
+            rootProject.name = "Sample"
+        """.trimIndent())
+
+        GradleRunner.create()
+            .withPluginClasspath()
+            .withProjectDir(testProjectDir.toFile())
+            .forwardOutput()
+            .withArguments("generatePomFileForTestPublication")
+            .build()
+
+        val pomContent = testProjectDir.resolve("build/publications/Test/pom-default.xml").readText()
+        assertFalse(pomContent.contains("<groupId>androidx.core</groupId>") )
+        assertFalse(pomContent.contains("<groupId>com.otaliastudios</groupId>") )
+    }
+
+    @OptIn(ExperimentalPathApi::class)
+    @AfterTest
+    fun teardown() {
+        testProjectDir.deleteRecursively()
+    }
+}