Rewrite BukkitMirrorTest

By: Wesley Wolfe <wesley.d.wolfe+git@gmail.com>

paper-api/src/test/java/org/bukkit/BukkitMirrorTest.java

@@ -1,19 +1,75 @@
 package org.bukkit;
 
+import static org.hamcrest.Matchers.*;
 import static org.junit.Assert.*;
 
 import java.lang.reflect.Method;
 import java.lang.reflect.Modifier;
+import java.util.Arrays;
+import java.util.List;
 
+import org.junit.Before;
 import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.junit.runners.Parameterized;
+import org.junit.runners.Parameterized.Parameter;
+import org.junit.runners.Parameterized.Parameters;
 
+import com.google.common.base.Function;
+import com.google.common.collect.Lists;
+
+@RunWith(Parameterized.class)
 public class BukkitMirrorTest {
+
+    @Parameters(name="{index}: {1}")
+    public static List<Object[]> data() {
+        return Lists.transform(Arrays.asList(Server.class.getDeclaredMethods()), new Function<Method, Object[]>() {
+            @Override
+            public Object[] apply(Method input) {
+                return new Object[] {
+                    input,
+                    input.toGenericString().substring("public abstract ".length()).replace("(", "{").replace(")", "}")
+                    };
+            }
+        });
+    }
+
+    @Parameter(0)
+    public Method server;
+
+    @Parameter(1)
+    public String name;
+
+    private Method bukkit;
+
+    @Before
+    public void makeBukkit() throws Throwable {
+        bukkit = Bukkit.class.getDeclaredMethod(server.getName(), server.getParameterTypes());
+    }
+
     @Test
-    public final void test() throws NoSuchMethodException {
+    public void isStatic() throws Throwable {
-        Method[] serverMethods = Server.class.getDeclaredMethods();
+        assertThat(Modifier.isStatic(bukkit.getModifiers()), is(true));
-        for(Method method : serverMethods) {
+    }
-            Method mirrorMethod = Bukkit.class.getDeclaredMethod(method.getName(), method.getParameterTypes());
+
-            assertTrue("Bukkit." + method.getName() + " must be static!", Modifier.isStatic(mirrorMethod.getModifiers()));
+    @Test
-        }
+    public void isDeprecated() throws Throwable {
+        assertThat(bukkit.isAnnotationPresent(Deprecated.class), is(server.isAnnotationPresent(Deprecated.class)));
+    }
+
+    @Test
+    public void returnType() throws Throwable {
+        assertThat(bukkit.getReturnType(), is((Object) server.getReturnType()));
+        assertThat(bukkit.getGenericReturnType(), is(server.getGenericReturnType()));
+    }
+
+    @Test
+    public void parameterTypes() throws Throwable {
+        assertThat(bukkit.getGenericParameterTypes(), is(server.getGenericParameterTypes()));
+    }
+
+    @Test
+    public void declaredException() throws Throwable {
+        assertThat(bukkit.getGenericExceptionTypes(), is(server.getGenericExceptionTypes()));
     }
 }