Add unit-tests

Author: blacelle

plugin-maven/src/test/java/com/diffplug/spotless/maven/yaml/YamlTest.java

@@ -21,11 +21,29 @@
 
 public class YamlTest extends MavenIntegrationHarness {
 	@Test
-	public void testFormatJson_WithSimple_defaultConfig() throws Exception {
+	public void testFormatYaml_WithJackson_defaultConfig_separatorComments() throws Exception {
 		writePomWithJsonSteps("<yaml><jackson/></yaml>");
 
 		setFile("yaml_test.json").toResource("yaml/separator_comments.yaml");
 		mavenRunner().withArguments("spotless:apply").runNoError().error();
 		assertFile("yaml_test.json").sameAsResource("yaml/separator_comments.clean.yaml");
 	}
+
+	@Test
+	public void testFormatYaml_WithJackson_defaultConfig_arrayBrackets() throws Exception {
+		writePomWithJsonSteps("<yaml><jackson/></yaml>");
+
+		setFile("yaml_test.json").toResource("yaml/array_with_bracket.yaml");
+		mavenRunner().withArguments("spotless:apply").runNoError().error();
+		assertFile("yaml_test.json").sameAsResource("yaml/array_with_bracket.clean.yaml");
+	}
+
+	@Test
+	public void testFormatYaml_WithJackson_defaultConfig_multipleComments() throws Exception {
+		writePomWithJsonSteps("<yaml><jackson/></yaml>");
+
+		setFile("yaml_test.json").toResource("yaml/multiple_documents.yaml");
+		mavenRunner().withArguments("spotless:apply").runNoError().error();
+		assertFile("yaml_test.json").sameAsResource("yaml/multiple_documents.clean.yaml");
+	}
 }

testlib/src/main/resources/yaml/array_with_bracket.clean.yaml

@@ -0,0 +1,8 @@
+---
+hr:
+  - Mark McGwire
+  # Following node labeled SS
+  - &SS Sammy Sosa
+rbi:
+  - *SS # Subsequent occurrence
+  - Ken Griffey

testlib/src/main/resources/yaml/array_with_bracket.yaml

@@ -0,0 +1,5 @@
+hr: [Mark McGwire, Sammy Sosa]
+
+
+
+rbi: [Sammy Sosa, Ken Griffey]

testlib/src/main/resources/yaml/multiple_document.clean.yaml

@@ -0,0 +1,8 @@
+---
+hr:
+  - Mark McGwire
+  # Following node labeled SS
+  - &SS Sammy Sosa
+rbi:
+  - *SS # Subsequent occurrence
+  - Ken Griffey

testlib/src/main/resources/yaml/multiple_document.yaml

@@ -0,0 +1,10 @@
+document: this is document 1
+---
+
+document: this is document 2
+
+
+---
+
+
+document: this is document 3

testlib/src/main/resources/yaml/separator_comments.yaml

@@ -1,3 +1,4 @@
+
 ---
 hr:
   - Mark McGwire