Reproduce issue with mvn: fornatWithNewLine after flexmark over MD en…

plugin-maven/src/test/java/com/diffplug/spotless/maven/MavenIntegrationHarness.java

@@ -248,7 +248,7 @@ private static String getSystemProperty(String name) {
 		return value;
 	}
 
-	private static String[] groupWithSteps(String group, String[] includes, String... steps) {
+	protected static String[] groupWithSteps(String group, String[] includes, String... steps) {
 		String[] result = new String[steps.length + includes.length + 2];
 		result[0] = "<" + group + ">";
 		System.arraycopy(includes, 0, result, 1, includes.length);
@@ -261,11 +261,11 @@ private static String[] groupWithSteps(String group, String... steps) {
 		return groupWithSteps(group, new String[]{}, steps);
 	}
 
-	private static String[] including(String... includes) {
+	protected static String[] including(String... includes) {
 		return groupWithSteps("includes", groupWithSteps("include", includes));
 	}
 
-	private static String[] formats(String... formats) {
+	protected static String[] formats(String... formats) {
 		return groupWithSteps("formats", formats);
 	}
 

plugin-maven/src/test/java/com/diffplug/spotless/maven/markdown/FlexmarkMavenTest.java

@@ -15,6 +15,10 @@
  */
 package com.diffplug.spotless.maven.markdown;
 
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.List;
+
 import org.junit.jupiter.api.Test;
 
 import com.diffplug.spotless.maven.MavenIntegrationHarness;
@@ -30,4 +34,21 @@ public void testFlexmarkWithDefaultConfig() throws Exception {
 		assertFile("markdown_test.md").sameAsResource("markdown/flexmark/FlexmarkFormatted.md");
 	}
 
+
+	@Test
+	public void testFlexmarkWithDefaultConfig_endsWithCodeBlock_withNewLine() throws Exception {
+		List<String> configurations = new ArrayList<>();
+
+		configurations.addAll(Arrays.asList(formats(groupWithSteps("format", including("*.md"), "<endWithNewline/>"))));
+		configurations.addAll(Arrays.asList(groupWithSteps("markdown", including("**/*.md"), "<flexmark />")));
+
+		writePom(configurations.toArray(new String[0]));
+
+		setFile("markdown_test.md").toResource("markdown/flexmark/EndsWithCodeBlockUnformatted.md");
+		mavenRunner().withArguments("spotless:apply").runNoError().error();
+		assertFile("markdown_test.md").sameAsResource("markdown/flexmark/EndsWithCodeBlockFormattedWithNewLine.md");
+
+		mavenRunner().withArguments("spotless:check").runNoError().error();
+	}
+
 }

testlib/src/main/resources/markdown/flexmark/EndsWithCodeBlockFormatted.md

@@ -0,0 +1,4 @@
+```
+someCode
+```
+

testlib/src/main/resources/markdown/flexmark/EndsWithCodeBlockFormattedWithNewLine.md

@@ -0,0 +1,4 @@
+```
+someCode
+```
+

testlib/src/main/resources/markdown/flexmark/EndsWithCodeBlockUnformatted.md

@@ -0,0 +1,3 @@
+```
+   someCode
+```

testlib/src/test/java/com/diffplug/spotless/markdown/FlexmarkStepTest.java

@@ -29,4 +29,12 @@ void behavior() throws Exception {
 						"markdown/flexmark/FlexmarkUnformatted.md",
 						"markdown/flexmark/FlexmarkFormatted.md");
 	}
+
+	@Test
+	void endsWithcodeBlock() throws Exception {
+		StepHarness.forStep(FlexmarkStep.create(TestProvisioner.mavenCentral()))
+				.testResource(
+						"markdown/flexmark/EndsWithCodeBlockUnformatted.md",
+						"markdown/flexmark/EndsWithCodeBlockFormatted.md");
+	}
 }