fix(SpoonPom): Absolute path prefix should apply to non-standard dire…

…ctories (#3260)

src/main/java/spoon/support/compiler/SpoonPom.java

@@ -121,9 +121,10 @@ public List<File> getSourceDirectories() {
 			sourcePath = build.getSourceDirectory();
 		}
 		if (sourcePath == null) {
-			sourcePath = Paths.get(directory.getAbsolutePath(), "src", "main", "java").toString();
+			sourcePath = Paths.get("src/main/java").toString();
 		}
-		File source = new File(sourcePath);
+		String absoluteSourcePath = Paths.get(directory.getAbsolutePath(), sourcePath).toString();
+		File source = new File(absoluteSourcePath);
 		if (source.exists()) {
 			output.add(source);
 		}
@@ -150,9 +151,10 @@ public List<File> getTestDirectories() {
 			sourcePath = build.getTestSourceDirectory();
 		}
 		if (sourcePath == null) {
-			sourcePath = Paths.get(directory.getAbsolutePath(), "src", "test", "java").toString();
+			sourcePath = Paths.get("src/test/java").toString();
 		}
-		File source = new File(sourcePath);
+		String absoluteSourcePath = Paths.get(directory.getAbsolutePath(), sourcePath).toString();
+		File source = new File(absoluteSourcePath);
 		if (source.exists()) {
 			output.add(source);
 		}

src/test/java/spoon/MavenLauncherTest.java

@@ -148,6 +148,12 @@ public void mavenLauncherTestWithVerySimpleProject() {
 		assertEquals(1, launcher.getModelBuilder().getInputSources().size());
 	}
 
+	@Test
+	public void testPomSourceDirectory() {
+		MavenLauncher launcher = new MavenLauncher("./src/test/resources/maven-launcher/source-directory", MavenLauncher.SOURCE_TYPE.ALL_SOURCE);
+		assertEquals(2, launcher.getModelBuilder().getInputSources().size());
+	}
+
 	@Test
 	public void mavenLauncherTestMultiModulesAndVariables() {
 		// contract: variables coming from parent should be resolved

src/test/resources/maven-launcher/source-directory/pom.xml

@@ -0,0 +1,15 @@
+<?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>
+
+    <groupId>org.foo.bar</groupId>
+    <artifactId>foobar</artifactId>
+    <version>1.0.0-SNAPSHOT</version>
+    <packaging>jar</packaging>
+    <name>foobar</name>
+
+    <build>
+        <sourceDirectory>source/code</sourceDirectory>
+        <testSourceDirectory>test</testSourceDirectory>
+    </build>
+</project>

src/test/resources/maven-launcher/source-directory/source/code/Test.java

@@ -0,0 +1,3 @@
+public class Test {
+    int field = 42;
+}

src/test/resources/maven-launcher/source-directory/test/Test.java

@@ -0,0 +1,3 @@
+public class Test {
+    int field = 42;
+}