Refactor Scala version check and add some tests for unsupported Scala versions

pom.xml

@@ -155,6 +155,13 @@ under the License.
             <artifactId>doxia-site-renderer</artifactId>
             <version>1.11.1</version>
         </dependency>
+
+        <dependency>
+            <groupId>junit</groupId>
+            <artifactId>junit</artifactId>
+            <version>4.13.1</version>
+            <scope>test</scope>
+        </dependency>
     </dependencies>
 
     <build>

src/it/test_ScalaMavenPlugin_Scala212_JUnit/pom.xml

@@ -19,7 +19,7 @@
 
     <properties>
         <scala.compat.version>2.12</scala.compat.version>
-        <scala.minor.version>18</scala.minor.version>
+        <scala.minor.version>8</scala.minor.version> <!-- Testing that 2.12.8 is supported -->
     </properties>
 
     <build>
@@ -39,6 +39,9 @@
             <plugin>
                 <groupId>@project.groupId@</groupId>
                 <artifactId>@project.artifactId@</artifactId>
+                <configuration>
+                    <scalacPluginVersion>2.0.0</scalacPluginVersion> <!-- Downgrading for Scala 2.12.8 -->
+                </configuration>
             </plugin>
         </plugins>
     </build>

src/it/test_skip_Scala2_10/invoker.properties

@@ -0,0 +1 @@
+invoker.goals=clean verify site -e -ntp

src/it/test_skip_Scala2_10/pom.xml

@@ -0,0 +1,45 @@
+<?xml version="1.0" encoding="UTF-8"?>
+
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+
+    <parent>
+        <groupId>it.scoverage-maven-plugin</groupId>
+        <artifactId>integration_tests_parent</artifactId>
+        <version>1.0-SNAPSHOT</version>
+        <relativePath>../integration_tests_parent/pom.xml</relativePath>
+    </parent>
+
+    <artifactId>test_skip_Scala2_10</artifactId>
+    <version>1.0-SNAPSHOT</version>
+    <packaging>jar</packaging>
+    <name>Test Scoverage is Skipped for Scala 2.10</name>
+    <description>Test Scoverage is Skipped for Scala 2.10</description>
+
+    <properties>
+        <scala.compat.version>2.10</scala.compat.version>
+        <scala.minor.version>7</scala.minor.version>
+    </properties>
+
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-compiler-plugin</artifactId>
+            </plugin>
+            <plugin>
+                <groupId>net.alchim31.maven</groupId>
+                <artifactId>scala-maven-plugin</artifactId>
+            </plugin>
+            <plugin>
+                <groupId>org.scalatest</groupId>
+                <artifactId>scalatest-maven-plugin</artifactId>
+            </plugin>
+            <plugin>
+                <groupId>@project.groupId@</groupId>
+                <artifactId>@project.artifactId@</artifactId>
+            </plugin>
+        </plugins>
+    </build>
+</project>

src/it/test_skip_Scala2_10/src/main/scala/HelloServiceScala.scala

@@ -0,0 +1,6 @@
+package service
+
+object HelloServiceScala {
+  def hello = { "Hello" }
+
+}

src/it/test_skip_Scala2_10/src/test/scala/HelloServiceScalaTest.scala

@@ -0,0 +1,12 @@
+package service
+
+import org.scalatest.wordspec.AnyWordSpec
+
+class HelloServiceScalaTest extends AnyWordSpec {
+
+  "HelloService" should {
+    "say hello" in {
+      assert(HelloServiceScala.hello == "Hello")
+    }
+  }
+}

src/it/test_skip_Scala2_10/validate.groovy

@@ -0,0 +1,12 @@
+try {
+
+    def logFile = new File(basedir, "build.log")
+    def lines = logFile.readLines()
+    assert lines.contains("[WARNING] Skipping SCoverage execution - unsupported Scala version \"2.10.7\". Supported Scala versions are 2.12.8+, 2.13.0+ and 3.2.0+ .")
+
+    return true
+
+} catch (Throwable e) {
+    e.printStackTrace()
+    return false
+}

src/it/test_skip_Scala2_11/invoker.properties

@@ -0,0 +1 @@
+invoker.goals=clean verify site -e -ntp

src/it/test_skip_Scala2_11/pom.xml

@@ -0,0 +1,45 @@
+<?xml version="1.0" encoding="UTF-8"?>
+
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+
+    <parent>
+        <groupId>it.scoverage-maven-plugin</groupId>
+        <artifactId>integration_tests_parent</artifactId>
+        <version>1.0-SNAPSHOT</version>
+        <relativePath>../integration_tests_parent/pom.xml</relativePath>
+    </parent>
+
+    <artifactId>test_skip_Scala2_11</artifactId>
+    <version>1.0-SNAPSHOT</version>
+    <packaging>jar</packaging>
+    <name>Test Scoverage is Skipped for Scala 2.11</name>
+    <description>Test Scoverage is Skipped for Scala 2.11</description>
+
+    <properties>
+        <scala.compat.version>2.11</scala.compat.version>
+        <scala.minor.version>12</scala.minor.version>
+    </properties>
+
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-compiler-plugin</artifactId>
+            </plugin>
+            <plugin>
+                <groupId>net.alchim31.maven</groupId>
+                <artifactId>scala-maven-plugin</artifactId>
+            </plugin>
+            <plugin>
+                <groupId>org.scalatest</groupId>
+                <artifactId>scalatest-maven-plugin</artifactId>
+            </plugin>
+            <plugin>
+                <groupId>@project.groupId@</groupId>
+                <artifactId>@project.artifactId@</artifactId>
+            </plugin>
+        </plugins>
+    </build>
+</project>

src/it/test_skip_Scala2_11/src/main/scala/HelloServiceScala.scala

@@ -0,0 +1,6 @@
+package service
+
+object HelloServiceScala {
+  def hello = { "Hello" }
+
+}

src/it/test_skip_Scala2_11/src/test/scala/HelloServiceScalaTest.scala

@@ -0,0 +1,12 @@
+package service
+
+import org.scalatest.wordspec.AnyWordSpec
+
+class HelloServiceScalaTest extends AnyWordSpec {
+
+  "HelloService" should {
+    "say hello" in {
+      assert(HelloServiceScala.hello == "Hello")
+    }
+  }
+}

src/it/test_skip_Scala2_11/validate.groovy

@@ -0,0 +1,12 @@
+try {
+
+    def logFile = new File(basedir, "build.log")
+    def lines = logFile.readLines()
+    assert lines.contains("[WARNING] Skipping SCoverage execution - unsupported Scala version \"2.11.12\". Supported Scala versions are 2.12.8+, 2.13.0+ and 3.2.0+ .")
+
+    return true
+
+} catch (Throwable e) {
+    e.printStackTrace()
+    return false
+}

src/it/test_skip_Scala2_12_7/invoker.properties

@@ -0,0 +1 @@
+invoker.goals=clean verify site -e -ntp

src/it/test_skip_Scala2_12_7/pom.xml

@@ -0,0 +1,55 @@
+<?xml version="1.0" encoding="UTF-8"?>
+
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+
+    <parent>
+        <groupId>it.scoverage-maven-plugin</groupId>
+        <artifactId>integration_tests_parent</artifactId>
+        <version>1.0-SNAPSHOT</version>
+        <relativePath>../integration_tests_parent/pom.xml</relativePath>
+    </parent>
+
+    <artifactId>test_skip_Scala2_12_7</artifactId>
+    <version>1.0-SNAPSHOT</version>
+    <packaging>jar</packaging>
+    <name>Test Scoverage is Skipped for Scala 2.12.7</name>
+    <description>Test Scoverage is Skipped for Scala 2.12.7</description>
+
+    <properties>
+        <scala.compat.version>2.12</scala.compat.version>
+        <scala.minor.version>7</scala.minor.version>
+        <scoverage.scalacPluginVersion>2.0.0</scoverage.scalacPluginVersion>
+    </properties>
+
+    <profiles>
+        <profile>
+            <id>run</id>
+            <activation>
+                <jdk>11</jdk> <!-- Only run on JDK 11, as Scala 2.12.7 has issues running on JDK 17 -->
+            </activation>
+            <build>
+                <plugins>
+                    <plugin>
+                        <groupId>org.apache.maven.plugins</groupId>
+                        <artifactId>maven-compiler-plugin</artifactId>
+                    </plugin>
+                    <plugin>
+                        <groupId>net.alchim31.maven</groupId>
+                        <artifactId>scala-maven-plugin</artifactId>
+                    </plugin>
+                    <plugin>
+                        <groupId>org.scalatest</groupId>
+                        <artifactId>scalatest-maven-plugin</artifactId>
+                    </plugin>
+                    <plugin>
+                        <groupId>@project.groupId@</groupId>
+                        <artifactId>@project.artifactId@</artifactId>
+                    </plugin>
+                </plugins>
+            </build>
+        </profile>
+    </profiles>
+
+</project>

src/it/test_skip_Scala2_12_7/src/main/scala/HelloServiceScala.scala

@@ -0,0 +1,6 @@
+package service
+
+object HelloServiceScala {
+  def hello = { "Hello" }
+
+}

src/it/test_skip_Scala2_12_7/src/test/scala/HelloServiceScalaTest.scala

@@ -0,0 +1,12 @@
+package service
+
+import org.scalatest.wordspec.AnyWordSpec
+
+class HelloServiceScalaTest extends AnyWordSpec {
+
+  "HelloService" should {
+    "say hello" in {
+      assert(HelloServiceScala.hello == "Hello")
+    }
+  }
+}

src/it/test_skip_Scala2_12_7/validate.groovy

@@ -0,0 +1,12 @@
+try {
+
+    def logFile = new File(basedir, "build.log")
+    def lines = logFile.readLines()
+    assert lines.contains("[WARNING] Skipping SCoverage execution - unsupported Scala version \"2.12.7\". Supported Scala versions are 2.12.8+, 2.13.0+ and 3.2.0+ .")
+
+    return true
+
+} catch (Throwable e) {
+    e.printStackTrace()
+    return false
+}

src/it/test_skip_Scala3_1/invoker.properties

@@ -0,0 +1 @@
+invoker.goals=clean verify site -e -ntp

src/it/test_skip_Scala3_1/pom.xml

@@ -0,0 +1,46 @@
+<?xml version="1.0" encoding="UTF-8"?>
+
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+
+    <parent>
+        <groupId>it.scoverage-maven-plugin</groupId>
+        <artifactId>integration_tests_parent</artifactId>
+        <version>1.0-SNAPSHOT</version>
+        <relativePath>../integration_tests_parent/pom.xml</relativePath>
+    </parent>
+
+    <artifactId>test_skip_Scala3_1</artifactId>
+    <version>1.0-SNAPSHOT</version>
+    <packaging>jar</packaging>
+    <name>Test Scoverage is Skipped for Scala 3.1</name>
+    <description>Test Scoverage is Skipped for Scala 3.1</description>
+
+    <properties>
+        <scala.compat.version>3</scala.compat.version>
+        <scala.version>3.1.0</scala.version>
+        <scala.library.artifact.id>scala3-library_3</scala.library.artifact.id>
+    </properties>
+
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-compiler-plugin</artifactId>
+            </plugin>
+            <plugin>
+                <groupId>net.alchim31.maven</groupId>
+                <artifactId>scala-maven-plugin</artifactId>
+            </plugin>
+            <plugin>
+                <groupId>org.scalatest</groupId>
+                <artifactId>scalatest-maven-plugin</artifactId>
+            </plugin>
+            <plugin>
+                <groupId>@project.groupId@</groupId>
+                <artifactId>@project.artifactId@</artifactId>
+            </plugin>
+        </plugins>
+    </build>
+</project>

src/it/test_skip_Scala3_1/src/main/scala/HelloServiceScala.scala

@@ -0,0 +1,6 @@
+package service
+
+object HelloServiceScala {
+  def hello = { "Hello" }
+
+}

src/it/test_skip_Scala3_1/src/test/scala/HelloServiceScalaTest.scala

@@ -0,0 +1,12 @@
+package service
+
+import org.scalatest.wordspec.AnyWordSpec
+
+class HelloServiceScalaTest extends AnyWordSpec {
+
+  "HelloService" should {
+    "say hello" in {
+      assert(HelloServiceScala.hello == "Hello")
+    }
+  }
+}

src/it/test_skip_Scala3_1/validate.groovy

@@ -0,0 +1,12 @@
+try {
+
+    def logFile = new File(basedir, "build.log")
+    def lines = logFile.readLines()
+    assert lines.contains("[WARNING] Skipping SCoverage execution - unsupported Scala version \"3.1.0\". Supported Scala versions are 2.12.8+, 2.13.0+ and 3.2.0+ .")
+
+    return true
+
+} catch (Throwable e) {
+    e.printStackTrace()
+    return false
+}