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package org.picocontainer.injectors;
import org.junit.Test;
import org.picocontainer.DefaultPicoContainer;
import org.picocontainer.Parameter;
import org.picocontainer.monitors.NullComponentMonitor;
import static junit.framework.Assert.fail;
import static junit.framework.Assert.assertNull;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
public class NamedMethodInjectorTestCase {
public static class Windmill {
private String wind;
public void setWind(String eeeeee) { // it is important to note here that 'eeeee' is not going to match any named comp
this.wind = eeeeee;
}
}
@Test
public void shouldMatchBasedOnMethodNameIfComponentAvailableAndNonOptional() {
final String expected = "use this one pico, its key matched the method name (ish)";
NamedMethodInjector nmi = new NamedMethodInjector(Windmill.class, Windmill.class, Parameter.DEFAULT,
new NullComponentMonitor(), false);
Windmill windmill = new DefaultPicoContainer()
.addAdapter(nmi)
.addConfig("attemptToConfusePicoContainer", "ha ha, confused you")
.addConfig("wind", expected) // matches setWind(..)
.addConfig("woo look here another string", "yup, really fooled you this time")
.getComponent(Windmill.class);
assertNotNull(windmill);
assertNotNull(windmill.wind);
assertEquals(expected, windmill.wind);
}
@Test
public void shouldBeAmbigiousMultipleComponentAvailableOfRightTypeWithoutMatchingName() {
NamedMethodInjector nmi = new NamedMethodInjector(Windmill.class, Windmill.class, Parameter.DEFAULT,
new NullComponentMonitor());
try {
new DefaultPicoContainer()
.addAdapter(nmi)
.addConfig("attemptToConfusePicoContainer", "ha ha, confused you")
.addConfig("woo look here another", "yup, really fooled you this time")
.getComponent(Windmill.class);
fail("should have barfed");
} catch (AbstractInjector.AmbiguousComponentResolutionException e) {
// expected
}
}
@Test
public void shouldBeUnsatisfiedIfNoComponentAvailableOfTheRightTypeAndNonOptional() {
NamedMethodInjector nmi = new NamedMethodInjector(Windmill.class, Windmill.class, Parameter.DEFAULT,
new NullComponentMonitor(), false);
try {
new DefaultPicoContainer()
.addAdapter(nmi)
.addConfig("attemptToConfusePicoContainer", 123)
.addConfig("woo look here another", 456)
.getComponent(Windmill.class);
fail("should have barfed");
} catch (AbstractInjector.UnsatisfiableDependenciesException e) {
// expected
}
}
@Test
public void withoutNameMatchWillBeOKTooIfOnlyOneOfRightTypeAndNonOptional() {
NamedMethodInjector nmi = new NamedMethodInjector(Windmill.class, Windmill.class, Parameter.DEFAULT,
new NullComponentMonitor(), false);
Windmill windmill = new DefaultPicoContainer()
.addAdapter(nmi)
.addConfig("anything", "hello")
.getComponent(Windmill.class);
assertNotNull(windmill);
assertNotNull(windmill.wind);
assertEquals("hello", windmill.wind);
}
@Test
public void withoutNameMatchWillBeOKTooIfNoneOfRightTypeAndOptional() {
NamedMethodInjector nmi = new NamedMethodInjector(Windmill.class, Windmill.class, Parameter.DEFAULT,
new NullComponentMonitor(), true);
Windmill windmill = new DefaultPicoContainer()
.addAdapter(nmi)
.getComponent(Windmill.class);
assertNotNull(windmill);
assertNull(windmill.wind);
}
}
