chore(benchmark): switch JMH output time unit to nanoseconds

src/test/java/org/casbin/jcasbin/main/FrontendUnitTest.java

@@ -32,10 +32,11 @@ public class FrontendUnitTest {
   public void testCasbinJsGetPermissionForUser() throws IOException {
     SyncedEnforcer e = new SyncedEnforcer("examples/rbac_model.conf", "examples/rbac_with_hierarchy_policy.csv");
     HashMap<String, Object> received = new Gson().fromJson(Frontend.casbinJsGetPermissionForUser(e, "alice"), HashMap.class);
-    String expectedModelStr = new String(Files.readAllBytes(Paths.get("examples/rbac_model.conf")));
-    assertEquals(received.get("m"), expectedModelStr);
+    String receivedModelStr = ((String) received.get("m")).replace("\r\n", "\n").replace("\r", "\n");
+    String expectedModelStr = new String(Files.readAllBytes(Paths.get("examples/rbac_model.conf"))).replace("\r\n", "\n").replace("\r", "\n");
+    assertEquals(expectedModelStr, receivedModelStr);
 
-    String expectedPolicyStr = new String(Files.readAllBytes(Paths.get("examples/rbac_with_hierarchy_policy.csv")));
+    String expectedPolicyStr = new String(Files.readAllBytes(Paths.get("examples/rbac_with_hierarchy_policy.csv"))).replace("\r\n", "\n").replace("\r", "\n");
     expectedPolicyStr = Pattern.compile("\n+").matcher(expectedPolicyStr).replaceAll("\n");
     String[] expectedPolicyItem = expectedPolicyStr.split(",|\n");
     int i = 0;

src/test/java/org/casbin/jcasbin/main/benchmark/BenchmarkABACModel.java

@@ -15,7 +15,6 @@
 package org.casbin.jcasbin.main.benchmark;
 
 import org.casbin.jcasbin.main.Enforcer;
-import org.casbin.jcasbin.main.ModelUnitTest;
 import org.openjdk.jmh.annotations.*;
 import org.openjdk.jmh.profile.GCProfiler;
 import org.openjdk.jmh.runner.Runner;
@@ -25,29 +24,54 @@
 
 import java.util.concurrent.TimeUnit;
 
-@OutputTimeUnit(TimeUnit.MILLISECONDS)
+/**
+ * Benchmark for ABAC model.
+ * Data scale: 0 rules (0 user).
+ */
+@OutputTimeUnit(TimeUnit.NANOSECONDS)
 @BenchmarkMode(Mode.AverageTime)
 public class BenchmarkABACModel {
-    private static Enforcer e = new Enforcer("examples/abac_model.conf", "",false);
-    private static ModelUnitTest.TestResource data1 = new ModelUnitTest.TestResource("data1", "alice");
+    private static Enforcer e;
+    private static TestResource data1;
 
-    public static void main(String args[]) throws RunnerException {
+    public static class TestResource {
+        private String Name;
+        private String Owner;
+
+        public TestResource(String name, String owner) {
+            this.Name = name;
+            this.Owner = owner;
+        }
+
+        public String getName() {
+            return Name;
+        }
+
+        public String getOwner() {
+            return Owner;
+        }
+    }
+
+    static {
+        e = new Enforcer("examples/abac_model.conf", "", false);
+        data1 = new TestResource("data1", "alice");
+    }
+
+    public static void main(String[] args) throws RunnerException {
         Options opt = new OptionsBuilder()
-            .include(BenchmarkABACModel.class.getName())
-            .exclude("Pref")
-            .warmupIterations(3)
-            .measurementIterations(3)
-            .addProfiler(GCProfiler.class)
-            .forks(1)
-            .build();
+                .include(BenchmarkABACModel.class.getName())
+                .exclude("Pref")
+                .warmupIterations(3)
+                .measurementIterations(5)
+                .addProfiler(GCProfiler.class)
+                .forks(2)
+                .build();
         new Runner(opt).run();
     }
 
     @Threads(1)
     @Benchmark
-    public static void benchmarkABACModel() {
-        for (int i = 0; i < 1000; i++) {
-            e.enforce("alice", data1, "read");
-        }
+    public void benchmarkABACModel() {
+        e.enforce("alice", data1, "read");
     }
 }