springframeworkguru#1.1 : Testing with configBeans

 !!!!!!
 going to autowired

Author: Michiel Van Huyck

src/main/java/org/springframework/samples/petclinic/sfg/HearingInterpreter.java

@@ -0,0 +1,24 @@
+package org.springframework.samples.petclinic.sfg;
+
+import org.springframework.stereotype.Service;
+
+/**
+ * Created by jt on 2019-02-16.
+ */
+@Service
+public class HearingInterpreter {
+
+    private final WordProducer wordProducer;
+
+    public HearingInterpreter(WordProducer wordProducer) {
+        this.wordProducer = wordProducer;
+    }
+
+    public String whatIheard(){
+        String word = wordProducer.getWord();
+
+        System.out.println(word);
+
+        return word;
+    }
+}

src/main/java/org/springframework/samples/petclinic/sfg/LaurelWordProducer.java

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+package org.springframework.samples.petclinic.sfg;
+
+import org.springframework.context.annotation.Primary;
+import org.springframework.stereotype.Component;
+
+/**
+ * Created by jt on 2019-02-16.
+ */
+@Component
+@Primary
+public class LaurelWordProducer implements WordProducer {
+    @Override
+    public String getWord() {
+        return "Laurel";
+    }
+}

src/main/java/org/springframework/samples/petclinic/sfg/WordProducer.java

@@ -0,0 +1,9 @@
+package org.springframework.samples.petclinic.sfg;
+
+/**
+ * Created by jt on 2019-02-16.
+ */
+public interface WordProducer {
+
+    String getWord();
+}

src/main/java/org/springframework/samples/petclinic/sfg/YannyWordProducer.java

@@ -0,0 +1,14 @@
+package org.springframework.samples.petclinic.sfg;
+
+import org.springframework.stereotype.Component;
+
+/**
+ * Created by jt on 2019-02-16.
+ */
+@Component
+public class YannyWordProducer implements WordProducer {
+    @Override
+    public String getWord() {
+        return "Yanny";
+    }
+}

src/test/java/org/springframework/samples/petclinic/sfg/BaseConfig.java

@@ -0,0 +1,16 @@
+package org.springframework.samples.petclinic.sfg;
+
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+
+/**
+ * Created by jt on 2019-02-16.
+ */
+@Configuration
+public class BaseConfig {
+
+    @Bean
+    HearingInterpreter hearingInterpreter(WordProducer wordProducer){
+        return new HearingInterpreter(wordProducer);
+    }
+}

src/test/java/org/springframework/samples/petclinic/sfg/HearingInterpreterTest.java

@@ -0,0 +1,29 @@
+package org.springframework.samples.petclinic.sfg;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.test.context.ContextConfiguration;
+import org.springframework.test.context.junit4.SpringRunner;
+
+import static org.junit.Assert.assertEquals;
+
+
+public class HearingInterpreterTest {
+// USES BEAN HEARINGINTERPRETER FROM BASE CONFIG CLASS
+    HearingInterpreter hearingInterpreter;
+
+    // USES BEAN LAURELWORDPRODUCER FROM LAURALCONFIG.CLASS
+    @Before
+    public void setUp() throws Exception{
+        hearingInterpreter = new HearingInterpreter(new LaurelWordProducer());
+    }
+    @Test
+    public void whatIheard() {
+        String word = hearingInterpreter.whatIheard();
+
+
+        assertEquals("Laurel", word);
+    }
+}

src/test/java/org/springframework/samples/petclinic/sfg/LaurelConfig.java

@@ -0,0 +1,16 @@
+package org.springframework.samples.petclinic.sfg;
+
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+
+/**
+ * Created by jt on 2019-02-16.
+ */
+@Configuration
+public class LaurelConfig {
+
+    @Bean
+    LaurelWordProducer laurelWordProducer(){
+        return new LaurelWordProducer();
+    }
+}