Merge pull request #9 from eugenp/master

update with origin

testing-modules/groovy-spock/src/main/java/mocks/EventPublisher.java

@@ -0,0 +1,7 @@
+package mocks;
+
+public interface EventPublisher {
+
+    void publish(String addedOfferId);
+
+}

testing-modules/groovy-spock/src/main/java/mocks/ExternalItemProviderException.java

@@ -0,0 +1,5 @@
+package mocks;
+
+public class ExternalItemProviderException extends RuntimeException {
+
+}

testing-modules/groovy-spock/src/main/java/mocks/Item.java

@@ -0,0 +1,36 @@
+package mocks;
+
+import java.util.Objects;
+
+public class Item {
+    private final String id;
+    private final String name;
+
+    public Item(String id, String name) {
+        this.id = id;
+        this.name = name;
+    }
+
+    public String getId() {
+        return id;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    @Override
+    public boolean equals(Object o) {
+        if (this == o) return true;
+        if (o == null || getClass() != o.getClass()) return false;
+        Item item = (Item) o;
+        return Objects.equals(id, item.id) &&
+                Objects.equals(name, item.name);
+    }
+
+    @Override
+    public int hashCode() {
+        return Objects.hash(id, name);
+    }
+
+}

testing-modules/groovy-spock/src/main/java/mocks/ItemProvider.java

@@ -0,0 +1,9 @@
+package mocks;
+
+import java.util.List;
+
+public interface ItemProvider {
+
+    List<Item> getItems(List<String> itemIds);
+
+}

testing-modules/groovy-spock/src/main/java/mocks/ItemService.java

@@ -0,0 +1,37 @@
+package mocks;
+
+import java.util.Comparator;
+import java.util.List;
+import java.util.stream.Collectors;
+
+public class ItemService {
+    private final ItemProvider itemProvider;
+    private final EventPublisher eventPublisher;
+
+
+    public ItemService(ItemProvider itemProvider, EventPublisher eventPublisher) {
+        this.itemProvider = itemProvider;
+        this.eventPublisher = eventPublisher;
+    }
+
+    List<Item> getAllItemsSortedByName(List<String> itemIds) {
+        List<Item> items;
+        try{
+            items = itemProvider.getItems(itemIds);
+        } catch (RuntimeException ex) {
+            throw new ExternalItemProviderException();
+        }
+        return items.stream()
+                .sorted(Comparator.comparing(Item::getName))
+                .collect(Collectors.toList());
+    }
+
+    void saveItems(List<String> itemIds) {
+        List<String> notEmptyOfferIds = itemIds.stream()
+                .filter(itemId -> !itemId.isEmpty())
+                .collect(Collectors.toList());
+        // save in database
+        notEmptyOfferIds.forEach(eventPublisher::publish);
+    }
+
+}

testing-modules/groovy-spock/src/main/java/mocks/LoggingEventPublisher.java

@@ -0,0 +1,10 @@
+package mocks;
+
+public class LoggingEventPublisher implements EventPublisher {
+
+    @Override
+    public void publish(String addedOfferId) {
+        System.out.println("I've published: " + addedOfferId);
+    }
+
+}