Added additional unit tests

Author: stevespringett

tools/src/test/java/org/cyclonedx/schema/SchemaVerificationTest.java

@@ -136,55 +136,27 @@ public void testInvalidLicenseIdCount() {
     public void testInvalidLicenseNameCount() {
         Assert.assertFalse(isValid(CycloneDxSchema.Version.VERSION_11, "/invalid-license-name-count-1.1.xml"));
     }
-/*
-    @Test
-    public void test() {
-    }
-
-    @Test
-    public void test() {
-    }
-
-    @Test
-    public void test() {
-    }
-
-    @Test
-    public void test() {
-    }
-
-    @Test
-    public void test() {
-    }
 
     @Test
-    public void test() {
+    public void testValidComponentRef() {
+        Assert.assertTrue(isValid(CycloneDxSchema.Version.VERSION_11, "/valid-component-ref-1.1.xml"));
     }
 
     @Test
-    public void test() {
+    public void testInvalidComponentRef() {
+        Assert.assertFalse(isValid(CycloneDxSchema.Version.VERSION_11, "/invalid-component-ref-1.1.xml"));
     }
 
     @Test
-    public void test() {
+    public void testValidExternalElements() {
+        Assert.assertTrue(isValid(CycloneDxSchema.Version.VERSION_11, "/valid-external-elements-1.1.xml"));
     }
 
-    @Test
-    public void test() {
-    }
-
-    @Test
-    public void test() {
-    }
-
-
-
-
-
-      */
-
     @Test
     public void testValidXmlSignature() {
+        // NOTE: Doesn't actually validate XML Signature. That is a business-case detail, not an
+        // implementation requirement. If the business case requires signature validation, it should
+        // be performed after document validation.
         Assert.assertTrue(isValid(CycloneDxSchema.Version.VERSION_11, "/valid-xml-signature-1.1.xml"));
     }
 

tools/src/test/resources/invalid-component-ref-1.1.xml

@@ -0,0 +1,15 @@
+<?xml version="1.0"?>
+<bom serialNumber="urn:uuid:3e671687-395b-41f5-a30f-a58921a69b79" version="1" xmlns="http://cyclonedx.org/schema/bom/1.1">
+    <components>
+        <component type="library" bom-ref="123">
+            <name>acme-library</name>
+            <version>1.0.0</version>
+            <components>
+                <component type="library" bom-ref="123">
+                    <name>acme-library</name>
+                    <version>1.0.0</version>
+                </component>
+            </components>
+        </component>
+    </components>
+</bom>

tools/src/test/resources/valid-component-ref-1.1.xml

@@ -0,0 +1,19 @@
+<?xml version="1.0"?>
+<bom serialNumber="urn:uuid:3e671687-395b-41f5-a30f-a58921a69b79" version="1" xmlns="http://cyclonedx.org/schema/bom/1.1">
+    <components>
+        <component type="library" bom-ref="123">
+            <name>acme-library</name>
+            <version>1.0.0</version>
+            <components>
+                <component type="library" bom-ref="456">
+                    <name>acme-library</name>
+                    <version>1.0.0</version>
+                </component>
+            </components>
+        </component>
+        <component type="library" bom-ref="789">
+            <name>acme-library</name>
+            <version>1.0.0</version>
+        </component>
+    </components>
+</bom>