test: give project root other than root directory (#9)

Author: algomaster99

.gitmodules

@@ -7,3 +7,6 @@
 [submodule "src/test/resources/arthas/arthas"]
 	path = src/test/resources/arthas/arthas
 	url = [email protected]:alibaba/arthas.git
+[submodule "src/test/resources/persistence/persistence"]
+	path = src/test/resources/persistence/persistence
+	url = [email protected]:jakartaee/persistence.git

src/test/java/io/github/algomaster99/maven_module_graph/MavenModuleTest.java

@@ -72,4 +72,23 @@ void arthas_mavenProperties(@TempDir Path temp) throws XmlPullParserException, I
 		assertThat(Files.readString(expectedJson), equalTo(Files.readString(actualJson)));
 	}
 
+	@Test
+	void persistence_differentProjectRoot(@TempDir Path temp) throws XmlPullParserException, IOException {
+		// arrange
+		MavenModule module = Utility.createMavenModuleGraph(Path.of("src/test/resources/persistence/persistence/api"), null, new HashMap<>());
+		Path expectedPlainText = Path.of("src/test/resources/persistence/output.txt");
+		Path actualPlainText = temp.resolve("arthas.txt");
+
+		Path expectedJson = Path.of("src/test/resources/persistence/output.json");
+		Path actualJson = temp.resolve("arthas.json");
+
+		// act
+		Utility.printToFile(module, actualPlainText, 0);
+		Utility.printToJson(module, actualJson, 2);
+
+		// assert
+		assertThat(Files.readString(expectedPlainText), equalTo(Files.readString(actualPlainText)));
+		assertThat(Files.readString(expectedJson), equalTo(Files.readString(actualJson)));
+	}
+
 }

src/test/resources/persistence/output.json

@@ -0,0 +1,6 @@
+{
+  "depth" : 0,
+  "groupId" : "jakarta.persistence",
+  "artifactId" : "jakarta.persistence-api",
+  "version" : "4.0.0-SNAPSHOT"
+}

src/test/resources/persistence/output.txt

@@ -0,0 +1 @@
+jakarta.persistence:jakarta.persistence-api:4.0.0-SNAPSHOT