Improve parsing of test classes with whitespace in the package and class name definition

Author: Donnerbart

src/main/java/de/donnerbart/split/TestSplit.java

@@ -26,8 +26,8 @@
 
 public class TestSplit {
 
-    private static final @NotNull Pattern PACKAGE_PATTERN = Pattern.compile("package (.*);");
-    private static final @NotNull Pattern CLASS_NAME_PATTERN = Pattern.compile("class (\\w+) ");
+    private static final @NotNull Pattern PACKAGE_PATTERN = Pattern.compile("package\\s+([\\S.]+?)\\s*;");
+    private static final @NotNull Pattern CLASS_NAME_PATTERN = Pattern.compile("class\\s+(\\S+?)\\s+");
 
     private static final @NotNull Logger LOG = LoggerFactory.getLogger(TestSplit.class);
 

src/test/java/de/donnerbart/split/TestSplitTest.java

@@ -267,4 +267,27 @@ void run_noClassName() throws Exception {
         assertThat(systemOut.getLinesNormalized()).isEmpty();
         assertThat(exitCode).hasValue(1);
     }
+
+    @Test
+    void run_whitespaceClassDefinition() throws Exception {
+        final var projectFolder =
+                tmp.resolve("multiline-class-definition-project").resolve("src").resolve("main").resolve("java");
+        copyResourceToTarget(projectFolder, "tests/WhitespaceClassDefinitionTest.java",
+                "WhitespaceClassDefinitionTest.java",
+                PERMISSIONS);
+
+        final var testSplit = new TestSplit(0,
+                1,
+                "**/multiline-class-definition-project/**/*Test.java",
+                null,
+                null,
+                projectFolder,
+                true,
+                exitCode::set);
+        testSplit.run();
+
+        assertThat(systemOut.getLines()).singleElement()
+                .isEqualTo("de.donnerbart.example.WhitespaceClassDefinitionTest");
+        assertThat(exitCode).hasNullValue();
+    }
 }

src/test/resources/tests/WhitespaceClassDefinitionTest.java

@@ -0,0 +1,14 @@
+//@formatter:off
+package     de.donnerbart.example
+        ;
+
+import org.junit.jupiter.api.Test;
+
+class   WhitespaceClassDefinitionTest
+        extends FastTest {
+
+    @Test
+    void testFastMethod() {
+    }
+}
+//@formatter:on