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Changed sample impls & refactored test

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This commit is contained in:
Erhan Karakaya 2019-06-17 14:52:29 +03:00
parent 1d52e33e2d
commit 2826baee3b
3 changed files with 23 additions and 14 deletions
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4
autovalue/src/main/java/com/baeldung/autoservice/BingTranslationServiceProvider.java
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@ -8,6 +8,8 @@ import java.util.Locale;
public class BingTranslationServiceProvider implements TranslationService {
public String translate(String message, Locale from, Locale to) {
return "translated by Bing";
// implementation details
return message + " (translated by Bing)";
}
}

4
autovalue/src/main/java/com/baeldung/autoservice/GoogleTranslationServiceProvider.java
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@ -8,6 +8,8 @@ import java.util.Locale;
public class GoogleTranslationServiceProvider implements TranslationService {
public String translate(String message, Locale from, Locale to) {
return "translated by Google";
// implementation details
return message + " (translated by Google)";
}
}

29
autovalue/src/test/java/com/baeldung/autoservice/TranslationServiceUnitTest.java
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@ -9,26 +9,31 @@ import java.util.stream.StreamSupport;
import static org.junit.Assert.assertEquals;
public class TranslationServiceUnitTest {
private ServiceLoader<TranslationService> loader;
@Before
public void setUp() {
loader = ServiceLoader.load(TranslationService.class);
}
@Test
public void whenServiceLoaderLoads_thenLoadsAllProviders() {
ServiceLoader<TranslationService> loader = ServiceLoader.load(TranslationService.class);
long count = StreamSupport.stream(loader.spliterator(), false).count();
assertEquals(2, count);
long count = StreamSupport.stream(loader.spliterator(), false).count();
assertEquals(2, count);
}
@Test
public void whenServiceLoaderLoadsGoogleService_thenGoogleIsLoaded() {
ServiceLoader<TranslationService> loader = ServiceLoader.load(TranslationService.class);
TranslationService googleService = StreamSupport.stream(loader.spliterator(), false)
.filter(p -> p.getClass().getSimpleName().equals("GoogleTranslationServiceProvider"))
.findFirst()
.get();
assertEquals("translated by Google", googleService.translate("message", null, null));
TranslationService googleService = StreamSupport.stream(loader.spliterator(), false)
.filter(p -> p.getClass().getSimpleName().equals("GoogleTranslationServiceProvider"))
.findFirst()
.get();
String message = "message";
assertEquals(message + " (translated by Google)", googleService.translate(message, null, null));
}
}