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// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.processing.request;
import com.google.common.base.Splitter;
import com.yahoo.text.Lowercase;
import java.util.Iterator;
import java.util.List;
import org.junit.Test;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertNotEquals;
import static org.junit.Assert.assertTrue;
/**
* Module local test of the basic property name building block.
*
* @author <a href="mailto:steinar@yahoo-inc.com">Steinar Knutsen</a>
*/
public class CompoundNameTestCase {
private static final String NAME = "com.yahoo.processing.request.CompoundNameTestCase";
private final CompoundName cn = new CompoundName(NAME);
void verifyStrict(CompoundName expected, CompoundName actual) {
assertEquals(expected, actual);
assertEquals(expected.asList(), actual.asList());
}
void verifyStrict(String expected, CompoundName actual) {
verifyStrict(new CompoundName(expected), actual);
}
@Test
public final void testLast() {
assertEquals(NAME.substring(NAME.lastIndexOf('.') + 1), cn.last());
}
@Test
public final void testFirst() {
assertEquals(NAME.substring(0, NAME.indexOf('.')), cn.first());
}
@Test
public final void testRest() {
verifyStrict(NAME.substring(NAME.indexOf('.') + 1), cn.rest());
}
@Test
public final void testRestN() {
verifyStrict("a.b.c.d.e", new CompoundName("a.b.c.d.e").rest(0));
verifyStrict("b.c.d.e", new CompoundName("a.b.c.d.e").rest(1));
verifyStrict("c.d.e", new CompoundName("a.b.c.d.e").rest(2));
verifyStrict("d.e", new CompoundName("a.b.c.d.e").rest(3));
verifyStrict("e", new CompoundName("a.b.c.d.e").rest(4));
verifyStrict(CompoundName.empty, new CompoundName("a.b.c.d.e").rest(5));
}
@Test
public final void testPrefix() {
assertTrue(new CompoundName("a.b.c").hasPrefix(new CompoundName("")));
assertTrue(new CompoundName("a.b.c").hasPrefix(new CompoundName("a")));
assertTrue(new CompoundName("a.b.c").hasPrefix(new CompoundName("a.b")));
assertTrue(new CompoundName("a.b.c").hasPrefix(new CompoundName("a.b.c")));
assertFalse(new CompoundName("a.b.c").hasPrefix(new CompoundName("a.b.c.d")));
assertFalse(new CompoundName("a.b.c").hasPrefix(new CompoundName("a.b.d")));
}
@Test
public void testFromComponents() {
verifyStrict("a", CompoundName.fromComponents("a"));
verifyStrict("a.b", CompoundName.fromComponents("a", "b"));
}
@Test
public final void testSize() {
Splitter s = Splitter.on('.');
Iterable<String> i = s.split(NAME);
int n = 0;
for (@SuppressWarnings("unused") String x : i) {
++n;
}
assertEquals(n, cn.size());
}
@Test
public final void testGet() {
String s = cn.get(0);
assertEquals(NAME.substring(0, NAME.indexOf('.')), s);
}
@Test
public final void testIsCompound() {
assertTrue(cn.isCompound());
}
@Test
public final void testIsEmpty() {
assertFalse(cn.isEmpty());
}
@Test
public final void testAsList() {
List<String> l = cn.asList();
Splitter peoplesFront = Splitter.on('.');
Iterable<String> answer = peoplesFront.split(NAME);
Iterator<String> expected = answer.iterator();
for (int i = 0; i < l.size(); ++i) {
assertEquals(expected.next(), l.get(i));
}
assertFalse(expected.hasNext());
}
@Test
public final void testEqualsObject() {
assertFalse(cn.equals(NAME));
assertFalse(cn.equals(null));
verifyStrict(cn, cn);
verifyStrict(cn, new CompoundName(NAME));
}
@Test
public final void testEmptyNonEmpty() {
assertTrue(new CompoundName("").isEmpty());
assertEquals(0, new CompoundName("").size());
assertFalse(new CompoundName("a").isEmpty());
assertEquals(1, new CompoundName("a").size());
CompoundName empty = new CompoundName("a.b.c");
verifyStrict(empty, empty.rest(0));
assertNotEquals(empty, empty.rest(1));
}
@Test
public final void testGetLowerCasedName() {
assertEquals(Lowercase.toLowerCase(NAME), cn.getLowerCasedName());
}
@Test
public void testAppendCompound() {
verifyStrict("a.b.c.d", new CompoundName("").append(new CompoundName("a.b.c.d")));
verifyStrict("a.b.c.d", new CompoundName("a").append(new CompoundName("b.c.d")));
verifyStrict("a.b.c.d", new CompoundName("a.b").append(new CompoundName("c.d")));
verifyStrict("a.b.c.d", new CompoundName("a.b.c").append(new CompoundName("d")));
verifyStrict("a.b.c.d", new CompoundName("a.b.c.d").append(new CompoundName("")));
}
@Test
public void empty_CompoundName_is_prefix_of_any_CompoundName() {
CompoundName empty = new CompoundName("");
assertTrue(empty.hasPrefix(empty));
assertTrue(new CompoundName("a").hasPrefix(empty));
}
@Test
public void whole_components_must_match_to_be_prefix() {
CompoundName stringPrefix = new CompoundName("a");
CompoundName name = new CompoundName("aa");
assertFalse(name.hasPrefix(stringPrefix));
}
@Test
public void testFirstRest() {
verifyStrict(CompoundName.empty, CompoundName.empty.rest());
CompoundName n=new CompoundName("on.two.three");
assertEquals("on", n.first());
verifyStrict("two.three", n.rest());
n=n.rest();
assertEquals("two", n.first());
verifyStrict("three", n.rest());
n=n.rest();
assertEquals("three", n.first());
verifyStrict("", n.rest());
n=n.rest();
assertEquals("", n.first());
verifyStrict("", n.rest());
n=n.rest();
assertEquals("", n.first());
verifyStrict("", n.rest());
}
@Test
public void testHashCodeAndEquals() {
CompoundName n1 = new CompoundName("venn.d.a");
CompoundName n2 = new CompoundName(n1.asList());
assertEquals(n1.hashCode(), n2.hashCode());
verifyStrict(n1, n2);
}
@Test
public void testAppendString() {
verifyStrict("a", new CompoundName("a").append(""));
verifyStrict("a", new CompoundName("").append("a"));
verifyStrict("a.b", new CompoundName("a").append("b"));
verifyStrict("a.b.c.d", new CompoundName("a.b").append("c.d"));
CompoundName name = new CompoundName("a.b");
verifyStrict("a.b.c", name.append("c"));
verifyStrict("a.b.d", name.append("d"));
verifyStrict("a.b.d.e", name.append("d.e"));
}
@Test
public void testEmpty() {
CompoundName empty=new CompoundName("");
assertEquals("", empty.toString());
assertEquals(0, empty.asList().size());
}
@Test
public void testAsList2() {
assertEquals("[one]", new CompoundName("one").asList().toString());
assertEquals("[one, two, three]", new CompoundName("one.two.three").asList().toString());
}
}
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