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org.picocontainer.containers.CommandLinePicoContainerTestCase Maven / Gradle / Ivy
/*****************************************************************************
* Copyright (C) PicoContainer Organization. All rights reserved. *
* ------------------------------------------------------------------------- *
* The software in this package is published under the terms of the BSD *
* style license a copy of which has been included with this distribution in *
* the LICENSE.txt file. *
* *
* Original code by *
*****************************************************************************/
package org.picocontainer.containers;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertNull;
import static org.junit.Assert.fail;
import java.io.IOException;
import java.io.StringReader;
import org.junit.Test;
import org.picocontainer.Characteristics;
import org.picocontainer.DefaultPicoContainer;
import org.picocontainer.annotations.Inject;
import org.picocontainer.injectors.AbstractInjector;
import org.picocontainer.injectors.AnnotatedFieldInjection;
import org.picocontainer.injectors.SetterInjection;
public class CommandLinePicoContainerTestCase {
@Test public void testBasicParsing() {
CommandLinePicoContainer apc = new CommandLinePicoContainer(new String[] {
"foo=bar", "foo2=12", "foo3=true", "foo4="
});
assertEquals("bar",apc.getComponent("foo"));
assertEquals("12",apc.getComponent("foo2"));
assertEquals("true",apc.getComponent("foo3"));
assertEquals("true",apc.getComponent("foo4"));
}
@Test public void testAsParentContainer() {
CommandLinePicoContainer apc = new CommandLinePicoContainer(new String[] {
"a=aaa", "b=bbb", "d=22"});
assertEquals("aaa",apc.getComponent("a"));
assertEquals("bbb",apc.getComponent("b"));
assertEquals("22",apc.getComponent("d"));
DefaultPicoContainer dpc = new DefaultPicoContainer(apc);
dpc.addComponent(NeedsString.class);
assertEquals("bbb", dpc.getComponent(NeedsString.class).val);
}
public static class NeedsString {
public String val;
public NeedsString(String b) {
val = b;
}
}
@Test public void testParsingWithDiffSeparator() {
CommandLinePicoContainer apc = new CommandLinePicoContainer(":", new String[] {
"foo:bar", "foo2:12", "foo3:true"
});
assertEquals("bar",apc.getComponent("foo"));
assertEquals("12",apc.getComponent("foo2"));
assertEquals("true",apc.getComponent("foo3"));
}
@Test public void testParsingWithWrongSeparator() {
CommandLinePicoContainer apc = new CommandLinePicoContainer(":", new String[] {
"foo=bar", "foo2=12", "foo3=true"
});
assertEquals("true",apc.getComponent("foo=bar"));
assertEquals("true",apc.getComponent("foo2=12"));
assertEquals("true",apc.getComponent("foo3=true"));
}
@Test public void testParsingOfPropertiesFile() throws IOException {
CommandLinePicoContainer apc = new CommandLinePicoContainer(":",
new StringReader("foo:bar\nfoo2:12\nfoo3:true\n"));
assertEquals("bar",apc.getComponent("foo"));
assertEquals("12",apc.getComponent("foo2"));
assertEquals("true",apc.getComponent("foo3"));
}
@Test public void testParsingOfPropertiesFileAndArgs() throws IOException {
CommandLinePicoContainer apc = new CommandLinePicoContainer(":",
new StringReader("foo:bar\nfoo2:12\n"), new String[] {"foo3:true"});
assertEquals("bar",apc.getComponent("foo"));
assertEquals("12",apc.getComponent("foo2"));
assertEquals("true",apc.getComponent("foo3"));
}
@Test public void testParsingOfPropertiesFileAndArgsWithClash() throws IOException {
CommandLinePicoContainer apc = new CommandLinePicoContainer(":",
new StringReader("foo:bar\nfoo2:99\n"), new String[] {"foo2:12","foo3:true"});
assertEquals("bar",apc.getComponent("foo"));
assertEquals("12",apc.getComponent("foo2"));
assertEquals("true",apc.getComponent("foo3"));
}
@Test public void testbyTypeFailsEvenIfOneOfSameType() {
CommandLinePicoContainer apc = new CommandLinePicoContainer(new String[] {
"foo=bar"});
assertEquals("bar",apc.getComponent("foo"));
assertNull(apc.getComponent(String.class));
}
@Test public void testUnsatisfiableIfNoSuitableTyesForInjection() {
CommandLinePicoContainer apc = new CommandLinePicoContainer(new String[] {"zz=zz"});
DefaultPicoContainer pico = new DefaultPicoContainer(apc);
pico.as(Characteristics.USE_NAMES).addComponent(NeedsAFew.class);
try {
Object foo = pico.getComponent(NeedsAFew.class);
fail();
} catch (AbstractInjector.UnsatisfiableDependenciesException e) {
// expetced;
}
}
public static class NeedsAFew {
private final String a;
private final int b;
private final boolean c;
public NeedsAFew(String a, int b, boolean c) {
this.a = a;
this.b = b;
this.c = c;
}
}
@Test public void testConstructorInjectionComponentCanDependOnConfig() {
CommandLinePicoContainer apc = new CommandLinePicoContainer(new String[] {"a=a", "b=2", "c=true"});
DefaultPicoContainer pico = new DefaultPicoContainer(apc);
pico.addConfig("zzz","zzz");
pico.as(Characteristics.USE_NAMES).addComponent(NeedsAFew.class);
NeedsAFew needsAFew = pico.getComponent(NeedsAFew.class);
assertNotNull(needsAFew);
assertEquals("a", needsAFew.a);
assertEquals(2, needsAFew.b);
assertEquals(true, needsAFew.c);
}
public static class NeedsAFew2 {
private String a;
private int b;
private boolean c;
public void setA(String a) {
this.a = a;
}
public void setB(int b) {
this.b = b;
}
public void setC(boolean c) {
this.c = c;
}
}
@Test public void testSetterInjectionComponentCanDependOnConfig() {
CommandLinePicoContainer apc = new CommandLinePicoContainer(new String[] {"a=a", "b=2", "c=true"});
DefaultPicoContainer pico = new DefaultPicoContainer(new SetterInjection(), apc);
pico.addConfig("zzz","zzz");
pico.as(Characteristics.USE_NAMES).addComponent(NeedsAFew2.class);
NeedsAFew2 needsAFew = pico.getComponent(NeedsAFew2.class);
assertNotNull(needsAFew);
assertEquals("a", needsAFew.a);
assertEquals(2, needsAFew.b);
assertEquals(true, needsAFew.c);
}
public static class NeedsAFew3 {
@Inject
private String a;
@Inject
private int b;
@Inject
private boolean c;
}
@Test public void testAnnotatedFieldInjectionComponentCanDependOnConfig() {
CommandLinePicoContainer apc = new CommandLinePicoContainer(new String[] {"a=a", "b=2", "c=true"});
DefaultPicoContainer pico = new DefaultPicoContainer(new AnnotatedFieldInjection(), apc);
pico.addConfig("zzz","zzz");
pico.as(Characteristics.USE_NAMES).addComponent(NeedsAFew3.class);
NeedsAFew3 needsAFew = pico.getComponent(NeedsAFew3.class);
assertNotNull(needsAFew);
assertEquals("a", needsAFew.a);
assertEquals(2, needsAFew.b);
assertEquals(true, needsAFew.c);
}
@Test public void testRepresentationOfContainerTree() {
CommandLinePicoContainer parent = new CommandLinePicoContainer(new String[] {"a=a", "b=2", "c=true"});
parent.setName("parent");
DefaultPicoContainer child = new DefaultPicoContainer(parent);
child.setName("child");
child.addComponent("hello", "goodbye");
child.addComponent("bonjour", "aurevior");
String actual = child.toString();
assertEquals("child:2<[Immutable]:[CommandLine]:parent:3<|", actual);
}
}
