Added a test OB20 inspector, with local redirections

inspector-vc/src/test/java/org/oneedtech/inspect/vc/util/TestOB20Inspector.java

@@ -0,0 +1,57 @@
+package org.oneedtech.inspect.vc.util;
+
+import java.net.URI;
+import java.util.Collections;
+import java.util.HashMap;
+import java.util.Map;
+
+import org.oneedtech.inspect.util.resource.ResourceType;
+import org.oneedtech.inspect.util.spec.Specification;
+import org.oneedtech.inspect.vc.Assertion;
+import org.oneedtech.inspect.vc.OB20Inspector;
+import org.oneedtech.inspect.vc.probe.JsonLDCompactionProve;
+
+/**
+ * OpenBadges 2.0 Test inspector.
+ * It's a subclass of main OB2.0 inspector, setting redirection of urls to local resources for testing
+ */
+public class TestOB20Inspector extends OB20Inspector {
+    protected final Map<URI, String> localDomains;
+
+    protected TestOB20Inspector(TestBuilder builder) {
+        super(builder);
+        if (getBehavior(OB20Inspector.Behavior.ALLOW_LOCAL_REDIRECTION) == Boolean.TRUE) {
+            this.localDomains = builder.localDomains;
+        } else {
+            this.localDomains = Collections.emptyMap();
+        }
+    }
+
+    @Override
+    protected JsonLDCompactionProve getCompactionProbe(Assertion assertion) {
+        return new JsonLDCompactionProve(assertion.getContext().get(0), localDomains);
+    }
+
+	public static class TestBuilder extends OB20Inspector.Builder {
+		final Map<URI, String> localDomains;
+
+		public TestBuilder() {
+			super();
+			// don't allow local redirections by default
+			super.behaviors.put(OB20Inspector.Behavior.ALLOW_LOCAL_REDIRECTION, true);
+			this.localDomains = new HashMap<>();
+		}
+
+		public TestBuilder add(URI localDomain, String resourcePath) {
+			localDomains.put(localDomain, resourcePath);
+			return this;
+		}
+
+		@Override
+		public TestOB20Inspector build() {
+			set(Specification.OB20);
+			set(ResourceType.OPENBADGE);
+			return new TestOB20Inspector(this);
+		}
+	}
+}