utils/misc/src/test/java/org/onlab/util/ToolsTest.java - onos - Gitiles

 /*
  * Copyright 2014-present Open Networking Foundation
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
  * Unless required by applicable law or agreed to in writing, software
  * distributed under the License is distributed on an "AS IS" BASIS,
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
 package org.onlab.util;

 import org.junit.Test;
 import org.onlab.junit.TestTools;

 import com.fasterxml.jackson.databind.ObjectMapper;
 import com.fasterxml.jackson.databind.node.ObjectNode;
 import com.google.common.collect.ImmutableSet;
 import java.io.ByteArrayInputStream;
 import java.io.InputStream;
 import java.util.Collections;
 import java.util.Dictionary;
 import java.util.Hashtable;
 import java.util.Map;
 import java.util.Optional;
 import java.util.Set;
 import java.util.concurrent.ThreadFactory;
 import java.util.stream.Stream;

 import static org.hamcrest.Matchers.equalTo;
 import static org.hamcrest.Matchers.is;
 import static org.hamcrest.Matchers.nullValue;
 import static org.junit.Assert.*;
 import static org.onlab.junit.TestTools.assertAfter;

 /**
  * Test of the miscellaneous tools.
  */
 public class ToolsTest {

     @Test
     public void fromHex() throws Exception {
         assertEquals(15, Tools.fromHex("0f"));
         assertEquals(16, Tools.fromHex("10"));
         assertEquals(65535, Tools.fromHex("ffff"));
         assertEquals(4096, Tools.fromHex("1000"));
         assertEquals(0xffffffffffffffffL, Tools.fromHex("ffffffffffffffff"));
     }

     @Test
     public void toHex() throws Exception {
         assertEquals("0f", Tools.toHex(15, 2));
         assertEquals("ffff", Tools.toHex(65535, 4));
         assertEquals("1000", Tools.toHex(4096, 4));
         assertEquals("000000000000000f", Tools.toHex(15));
         assertEquals("ffffffffffffffff", Tools.toHex(0xffffffffffffffffL));
         assertEquals("0xffffffffffffffff", Tools.toHexWithPrefix(0xffffffffffffffffL));

     }

     @Test
     public void getBytesUtf8() {
         assertThat(Tools.getBytesUtf8("Hi!"),
                    is(equalTo(new byte[] {0x48, 0x69, 0x21})));
     }

     @Test
     public void toStringUtf8() {
         assertThat(Tools.toStringUtf8(new byte[] {0x48, 0x69, 0x21}),
                    is(equalTo("Hi!")));
     }

     @Test
     public void copyOf() {
         byte[] input = new byte[] {1, 2, 3};
         assertThat(Tools.copyOf(input), is(equalTo(input)));
         assertNotSame(input, Tools.copyOf(input));
     }

     @Test
     public void namedThreads() {
         ThreadFactory f = Tools.namedThreads("foo-%d");
         Thread t = f.newThread(() -> TestTools.print("yo"));
         assertTrue("wrong pattern", t.getName().startsWith("foo-"));
     }

     @Test
     public void groupedThreads() {
         ThreadFactory f = Tools.groupedThreads("foo/bar-me", "foo-%d");
         Thread t = f.newThread(() -> TestTools.print("yo"));
         assertTrue("wrong pattern", t.getName().startsWith("foo-bar-me-foo-"));
         assertTrue("wrong group", "foo/bar-me".equals(t.getThreadGroup().getName()));
     }

     @Test
     public void minPriority() {
         ThreadFactory f = Tools.minPriority(Tools.namedThreads("foo-%d"));
         Thread t = f.newThread(() -> TestTools.print("yo"));
         assertThat(t.getPriority(), is(equalTo(Thread.MIN_PRIORITY)));
     }

     @Test
     public void maxPriority() {
         ThreadFactory f = Tools.maxPriority(Tools.namedThreads("foo-%d"));
         Thread t = f.newThread(() -> TestTools.print("yo"));
         assertThat(t.getPriority(), is(equalTo(Thread.MAX_PRIORITY)));
     }

     @Test
     public void exceptionHandler() throws InterruptedException {
         ThreadFactory f = Tools.namedThreads("foo");
         Thread t = f.newThread(() -> {
             throw new IllegalStateException("BOOM!");
         });
         assertNotNull("thread should have exception handler", t.getUncaughtExceptionHandler());
         t.start();
         assertAfter(100, () -> assertEquals("incorrect thread state", Thread.State.TERMINATED, t.getState()));
     }

     @Test
     public void testIsNullOrEmpty() {
         assertTrue(Tools.isNullOrEmpty(null));
         assertTrue(Tools.isNullOrEmpty(Collections.emptyList()));
     }

     @Test(expected = ItemNotFoundException.class)
     public void testNullIsNotFoundThrow() {
         Tools.nullIsNotFound(null, "Not found!");
         fail("Should've thrown some thing");
     }

     @Test
     public void testNullIsNotFound() {
         String input = "Foo";
         String output = Tools.nullIsNotFound(input, "Not found!");
         assertEquals(input, output);
         assertSame(input, output);
     }

     @Test(expected = ItemNotFoundException.class)
     public void testEmptyIsNotFoundNullThrow() {
         Tools.emptyIsNotFound(null, "Not found!");
         fail("Should've thrown some thing");
     }

     @Test(expected = ItemNotFoundException.class)
     public void testEmptyIsNotFoundEmptyThrow() {
         Tools.emptyIsNotFound(Collections.emptySet(), "Not found!");
         fail("Should've thrown some thing");
     }

     @Test
     public void testEmptyIsNotFound() {
         Set<String> input = ImmutableSet.of("Foo", "Bar");
         Set<String> output = Tools.emptyIsNotFound(input, "Not found!");
         assertEquals(input, output);
         assertSame(input, output);
     }

     @Test(expected = IllegalArgumentException.class)
     public void testNullIsIllegalThrow() {
         Tools.nullIsIllegal(null, "Not found!");
         fail("Should've thrown some thing");
     }

     @Test
     public void testNullIsIllegal() {
         String input = "Foo";
         String output = Tools.nullIsIllegal(input, "Not found!");
         assertEquals(input, output);
         assertSame(input, output);
     }

     @Test
     public void testReadTreeFromStream() throws Exception {
         InputStream stream = new ByteArrayInputStream(Tools.getBytesUtf8("{\"foo\" : \"bar\"}"));
         ObjectNode obj = Tools.readTreeFromStream(new ObjectMapper(), stream);
         assertTrue(obj.has("foo"));
         assertThat(obj.get("foo").asText(), is("bar"));
     }

     @Test
     public void testDictonary() {
         Map<String, Object> map = new Hashtable<>();
         map.put("foo", "bar");
         map.put("one", Integer.valueOf(1));
         map.put("empty", "");
         map.put("enabled", "true");
         map.put("Enabled", true);
         map.put("disabled", "disabled");
         map.put("Disabled", false);
         Dictionary<?, ?> dict = (Dictionary<?, ?>) map;

         assertThat(Tools.get(dict, "foo"), is(equalTo("bar")));
         assertThat(Tools.get(dict, "don't exist"), is(nullValue()));
         assertThat(Tools.get(dict, "one"), is(equalTo("1")));
         assertThat(Tools.get(dict, "empty"), is(nullValue()));

         assertThat(Tools.getIntegerProperty(dict, "one"), is(equalTo(1)));
         assertThat(Tools.getIntegerProperty(dict, "empty"), is(nullValue()));
         assertThat(Tools.getIntegerProperty(dict, "foo"), is(nullValue()));

         assertThat(Tools.getIntegerProperty(dict, "one", 2), is(equalTo(1)));
         assertThat(Tools.getIntegerProperty(dict, "empty", 2), is(equalTo(2)));

         assertThat(Tools.isPropertyEnabled(dict, "enabled"), is(equalTo(Boolean.TRUE)));
         assertThat(Tools.isPropertyEnabled(dict, "Enabled"), is(equalTo(Boolean.TRUE)));
         assertThat(Tools.isPropertyEnabled(dict, "disabled"), is(equalTo(Boolean.FALSE)));
         assertThat(Tools.isPropertyEnabled(dict, "Disabled"), is(equalTo(Boolean.FALSE)));
         assertThat(Tools.isPropertyEnabled(dict, "empty"), is(nullValue()));

         assertThat(Tools.isPropertyEnabled(dict, "enabled", false), is(true));
         assertThat(Tools.isPropertyEnabled(dict, "disabled", true), is(false));
         assertThat(Tools.isPropertyEnabled(dict, "empty", false), is(false));

         assertThat(Tools.getLongProperty(dict, "one"), is(1L));
         assertThat(Tools.getLongProperty(dict, "foo"), is(nullValue()));
 }

     @Test
     public void testOptionalStream() {
         Stream<Object> empty = Tools.stream(Optional.empty());
         assertThat(empty.count(), is(0L));

         String value = "value";
         Stream<String> stream = Tools.stream(Optional.of(value));
         assertThat(stream.allMatch(value::equals), is(true));
     }

 }
	/*
	* Copyright 2014-present Open Networking Foundation
	*
	* Licensed under the Apache License, Version 2.0 (the "License");
	* you may not use this file except in compliance with the License.
	* You may obtain a copy of the License at
	*
	* http://www.apache.org/licenses/LICENSE-2.0
	*
	* Unless required by applicable law or agreed to in writing, software
	* distributed under the License is distributed on an "AS IS" BASIS,
	* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	* See the License for the specific language governing permissions and
	* limitations under the License.
	*/
	package org.onlab.util;

	import org.junit.Test;
	import org.onlab.junit.TestTools;

	import com.fasterxml.jackson.databind.ObjectMapper;
	import com.fasterxml.jackson.databind.node.ObjectNode;
	import com.google.common.collect.ImmutableSet;
	import java.io.ByteArrayInputStream;
	import java.io.InputStream;
	import java.util.Collections;
	import java.util.Dictionary;
	import java.util.Hashtable;
	import java.util.Map;
	import java.util.Optional;
	import java.util.Set;
	import java.util.concurrent.ThreadFactory;
	import java.util.stream.Stream;

	import static org.hamcrest.Matchers.equalTo;
	import static org.hamcrest.Matchers.is;
	import static org.hamcrest.Matchers.nullValue;
	import static org.junit.Assert.*;
	import static org.onlab.junit.TestTools.assertAfter;

	/**
	* Test of the miscellaneous tools.
	*/
	public class ToolsTest {

	@Test
	public void fromHex() throws Exception {
	assertEquals(15, Tools.fromHex("0f"));
	assertEquals(16, Tools.fromHex("10"));
	assertEquals(65535, Tools.fromHex("ffff"));
	assertEquals(4096, Tools.fromHex("1000"));
	assertEquals(0xffffffffffffffffL, Tools.fromHex("ffffffffffffffff"));
	}

	@Test
	public void toHex() throws Exception {
	assertEquals("0f", Tools.toHex(15, 2));
	assertEquals("ffff", Tools.toHex(65535, 4));
	assertEquals("1000", Tools.toHex(4096, 4));
	assertEquals("000000000000000f", Tools.toHex(15));
	assertEquals("ffffffffffffffff", Tools.toHex(0xffffffffffffffffL));
	assertEquals("0xffffffffffffffff", Tools.toHexWithPrefix(0xffffffffffffffffL));

	}

	@Test
	public void getBytesUtf8() {
	assertThat(Tools.getBytesUtf8("Hi!"),
	is(equalTo(new byte[] {0x48, 0x69, 0x21})));
	}

	@Test
	public void toStringUtf8() {
	assertThat(Tools.toStringUtf8(new byte[] {0x48, 0x69, 0x21}),
	is(equalTo("Hi!")));
	}

	@Test
	public void copyOf() {
	byte[] input = new byte[] {1, 2, 3};
	assertThat(Tools.copyOf(input), is(equalTo(input)));
	assertNotSame(input, Tools.copyOf(input));
	}

	@Test
	public void namedThreads() {
	ThreadFactory f = Tools.namedThreads("foo-%d");
	Thread t = f.newThread(() -> TestTools.print("yo"));
	assertTrue("wrong pattern", t.getName().startsWith("foo-"));
	}

	@Test
	public void groupedThreads() {
	ThreadFactory f = Tools.groupedThreads("foo/bar-me", "foo-%d");
	Thread t = f.newThread(() -> TestTools.print("yo"));
	assertTrue("wrong pattern", t.getName().startsWith("foo-bar-me-foo-"));
	assertTrue("wrong group", "foo/bar-me".equals(t.getThreadGroup().getName()));
	}

	@Test
	public void minPriority() {
	ThreadFactory f = Tools.minPriority(Tools.namedThreads("foo-%d"));
	Thread t = f.newThread(() -> TestTools.print("yo"));
	assertThat(t.getPriority(), is(equalTo(Thread.MIN_PRIORITY)));
	}

	@Test
	public void maxPriority() {
	ThreadFactory f = Tools.maxPriority(Tools.namedThreads("foo-%d"));
	Thread t = f.newThread(() -> TestTools.print("yo"));
	assertThat(t.getPriority(), is(equalTo(Thread.MAX_PRIORITY)));
	}

	@Test
	public void exceptionHandler() throws InterruptedException {
	ThreadFactory f = Tools.namedThreads("foo");
	Thread t = f.newThread(() -> {
	throw new IllegalStateException("BOOM!");
	});
	assertNotNull("thread should have exception handler", t.getUncaughtExceptionHandler());
	t.start();
	assertAfter(100, () -> assertEquals("incorrect thread state", Thread.State.TERMINATED, t.getState()));
	}

	@Test
	public void testIsNullOrEmpty() {
	assertTrue(Tools.isNullOrEmpty(null));
	assertTrue(Tools.isNullOrEmpty(Collections.emptyList()));
	}

	@Test(expected = ItemNotFoundException.class)
	public void testNullIsNotFoundThrow() {
	Tools.nullIsNotFound(null, "Not found!");
	fail("Should've thrown some thing");
	}

	@Test
	public void testNullIsNotFound() {
	String input = "Foo";
	String output = Tools.nullIsNotFound(input, "Not found!");
	assertEquals(input, output);
	assertSame(input, output);
	}

	@Test(expected = ItemNotFoundException.class)
	public void testEmptyIsNotFoundNullThrow() {
	Tools.emptyIsNotFound(null, "Not found!");
	fail("Should've thrown some thing");
	}

	@Test(expected = ItemNotFoundException.class)
	public void testEmptyIsNotFoundEmptyThrow() {
	Tools.emptyIsNotFound(Collections.emptySet(), "Not found!");
	fail("Should've thrown some thing");
	}

	@Test
	public void testEmptyIsNotFound() {
	Set<String> input = ImmutableSet.of("Foo", "Bar");
	Set<String> output = Tools.emptyIsNotFound(input, "Not found!");
	assertEquals(input, output);
	assertSame(input, output);
	}

	@Test(expected = IllegalArgumentException.class)
	public void testNullIsIllegalThrow() {
	Tools.nullIsIllegal(null, "Not found!");
	fail("Should've thrown some thing");
	}

	@Test
	public void testNullIsIllegal() {
	String input = "Foo";
	String output = Tools.nullIsIllegal(input, "Not found!");
	assertEquals(input, output);
	assertSame(input, output);
	}

	@Test
	public void testReadTreeFromStream() throws Exception {
	InputStream stream = new ByteArrayInputStream(Tools.getBytesUtf8("{\"foo\" : \"bar\"}"));
	ObjectNode obj = Tools.readTreeFromStream(new ObjectMapper(), stream);
	assertTrue(obj.has("foo"));
	assertThat(obj.get("foo").asText(), is("bar"));
	}

	@Test
	public void testDictonary() {
	Map<String, Object> map = new Hashtable<>();
	map.put("foo", "bar");
	map.put("one", Integer.valueOf(1));
	map.put("empty", "");
	map.put("enabled", "true");
	map.put("Enabled", true);
	map.put("disabled", "disabled");
	map.put("Disabled", false);
	Dictionary<?, ?> dict = (Dictionary<?, ?>) map;

	assertThat(Tools.get(dict, "foo"), is(equalTo("bar")));
	assertThat(Tools.get(dict, "don't exist"), is(nullValue()));
	assertThat(Tools.get(dict, "one"), is(equalTo("1")));
	assertThat(Tools.get(dict, "empty"), is(nullValue()));

	assertThat(Tools.getIntegerProperty(dict, "one"), is(equalTo(1)));
	assertThat(Tools.getIntegerProperty(dict, "empty"), is(nullValue()));
	assertThat(Tools.getIntegerProperty(dict, "foo"), is(nullValue()));

	assertThat(Tools.getIntegerProperty(dict, "one", 2), is(equalTo(1)));
	assertThat(Tools.getIntegerProperty(dict, "empty", 2), is(equalTo(2)));

	assertThat(Tools.isPropertyEnabled(dict, "enabled"), is(equalTo(Boolean.TRUE)));
	assertThat(Tools.isPropertyEnabled(dict, "Enabled"), is(equalTo(Boolean.TRUE)));
	assertThat(Tools.isPropertyEnabled(dict, "disabled"), is(equalTo(Boolean.FALSE)));
	assertThat(Tools.isPropertyEnabled(dict, "Disabled"), is(equalTo(Boolean.FALSE)));
	assertThat(Tools.isPropertyEnabled(dict, "empty"), is(nullValue()));

	assertThat(Tools.isPropertyEnabled(dict, "enabled", false), is(true));
	assertThat(Tools.isPropertyEnabled(dict, "disabled", true), is(false));
	assertThat(Tools.isPropertyEnabled(dict, "empty", false), is(false));

	assertThat(Tools.getLongProperty(dict, "one"), is(1L));
	assertThat(Tools.getLongProperty(dict, "foo"), is(nullValue()));
	}

	@Test
	public void testOptionalStream() {
	Stream<Object> empty = Tools.stream(Optional.empty());
	assertThat(empty.count(), is(0L));

	String value = "value";
	Stream<String> stream = Tools.stream(Optional.of(value));
	assertThat(stream.allMatch(value::equals), is(true));
	}

	}