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#590 Add explanation for Adapter

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This commit is contained in:
Ilkka Seppälä
2017-08-19 10:00:18 +03:00
parent f47dc1eb7c
commit fbf5ffe67a
11 changed files with 121 additions and 176 deletions
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29
adapter/src/test/java/com/iluwatar/adapter/AdapterPatternTest.java
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@@ -39,9 +39,9 @@ public class AdapterPatternTest {
private Map<String, Object> beans;
private static final String BATTLESHIP_BEAN = "engineer";
private static final String FISHING_BEAN = "fisher";
private static final String CAPTAIN_BEAN = "captain";
private static final String ROWING_BEAN = "captain";
/**
* This method runs before the test execution and sets the bean objects in the beans Map.
@@ -50,34 +50,29 @@ public class AdapterPatternTest {
public void setup() {
beans = new HashMap<>();
BattleFishingBoat battleFishingBoat = spy(new BattleFishingBoat());
beans.put(BATTLESHIP_BEAN, battleFishingBoat);
FishingBoatAdapter fishingBoatAdapter = spy(new FishingBoatAdapter());
beans.put(FISHING_BEAN, fishingBoatAdapter);
Captain captain = new Captain();
captain.setBattleship((BattleFishingBoat) beans.get(BATTLESHIP_BEAN));
beans.put(CAPTAIN_BEAN, captain);
captain.setRowingBoat((FishingBoatAdapter) beans.get(FISHING_BEAN));
beans.put(ROWING_BEAN, captain);
}
/**
* This test asserts that when we use the move() method on a captain bean(client), it is
* internally calling move method on the battleship object. The Adapter ({@link BattleFishingBoat}
* This test asserts that when we use the row() method on a captain bean(client), it is
* internally calling sail method on the fishing boat object. The Adapter ({@link FishingBoatAdapter}
* ) converts the interface of the target class ( {@link FishingBoat}) into a suitable one
* expected by the client ({@link Captain} ).
*/
@Test
public void testAdapter() {
BattleShip captain = (BattleShip) beans.get(CAPTAIN_BEAN);
RowingBoat captain = (RowingBoat) beans.get(ROWING_BEAN);
// when captain moves
captain.move();
captain.row();
// the captain internally calls the battleship object to move
BattleShip battleship = (BattleShip) beans.get(BATTLESHIP_BEAN);
verify(battleship).move();
// same with above with firing
captain.fire();
verify(battleship).fire();
RowingBoat adapter = (RowingBoat) beans.get(FISHING_BEAN);
verify(adapter).row();
}
}