Add bought resources cost computation

2 files changed, 105 insertions, 0 deletions

diff --git a/src/test/java/org/luxons/sevenwonders/game/resources/TradingRulesTest.java b/src/test/java/org/luxons/sevenwonders/game/resources/TradingRulesTest.java
new file mode 100644
index 00000000..cd6661dc
--- /dev/null
+++ b/src/test/java/org/luxons/sevenwonders/game/resources/TradingRulesTest.java
@@ -0,0 +1,96 @@
+package org.luxons.sevenwonders.game.resources;
+
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.List;
+
+import org.junit.experimental.theories.DataPoints;
+import org.junit.experimental.theories.Theories;
+import org.junit.experimental.theories.Theory;
+import org.junit.runner.RunWith;
+import org.luxons.sevenwonders.game.test.TestUtils;
+
+import static org.junit.Assert.*;
+import static org.junit.Assume.*;
+
+@RunWith(Theories.class)
+public class TradingRulesTest {
+
+    @DataPoints
+    public static int[] costs() {
+        return new int[] {0, 1, 2};
+    }
+
+    @DataPoints
+    public static Provider[] providers() {
+        return Provider.values();
+    }
+
+    @DataPoints
+    public static ResourceType[] resourceTypes() {
+        return ResourceType.values();
+    }
+
+    @Theory
+    public void computeCost_zeroForNoResources(int defaultCost) {
+        TradingRules rules = new TradingRules(defaultCost);
+        assertEquals(0, rules.computeCost(new ArrayList<>()));
+    }
+
+    @Theory
+    public void computeCost_defaultCostWhenNoOverride(int defaultCost, Provider provider, ResourceType type) {
+        TradingRules rules = new TradingRules(defaultCost);
+        BoughtResources resources = TestUtils.createBoughtResources(provider, type);
+        assertEquals(defaultCost, rules.computeCost(Collections.singletonList(resources)));
+    }
+
+    @Theory
+    public void computeCost_twiceDefaultFor2Resources(int defaultCost, Provider provider, ResourceType type) {
+        TradingRules rules = new TradingRules(defaultCost);
+        BoughtResources resources = TestUtils.createBoughtResources(provider, type, type);
+        assertEquals(2 * defaultCost, rules.computeCost(Collections.singletonList(resources)));
+    }
+
+    @Theory
+    public void computeCost_overriddenCost(int defaultCost, int overriddenCost, Provider provider, ResourceType type) {
+        TradingRules rules = new TradingRules(defaultCost);
+        rules.setCost(type, provider, overriddenCost);
+        BoughtResources resources = TestUtils.createBoughtResources(provider, type);
+        assertEquals(overriddenCost, rules.computeCost(Collections.singletonList(resources)));
+    }
+
+    @Theory
+    public void computeCost_defaultCostWhenOverrideOnOtherProviderOrType(int defaultCost, int overriddenCost,
+            Provider overriddenProvider, ResourceType overriddenType, Provider provider, ResourceType type) {
+        assumeTrue(overriddenProvider != provider || overriddenType != type);
+        TradingRules rules = new TradingRules(defaultCost);
+        rules.setCost(overriddenType, overriddenProvider, overriddenCost);
+        BoughtResources resources = TestUtils.createBoughtResources(provider, type);
+        assertEquals(defaultCost, rules.computeCost(Collections.singletonList(resources)));
+    }
+
+    @Theory
+    public void computeCost_oneDefaultAndOneOverriddenType(int defaultCost, int overriddenCost,
+            ResourceType overriddenType, Provider provider, ResourceType type) {
+        assumeTrue(overriddenType != type);
+        TradingRules rules = new TradingRules(defaultCost);
+        rules.setCost(overriddenType, provider, overriddenCost);
+        BoughtResources resources = TestUtils.createBoughtResources(provider, overriddenType, type);
+        assertEquals(defaultCost + overriddenCost, rules.computeCost(Collections.singletonList(resources)));
+    }
+
+    @Theory
+    public void computeCost_oneDefaultAndOneOverriddenProvider(int defaultCost, int overriddenCost,
+            Provider overriddenProvider, Provider provider, ResourceType type) {
+        assumeTrue(overriddenProvider != provider);
+        TradingRules rules = new TradingRules(defaultCost);
+        rules.setCost(type, overriddenProvider, overriddenCost);
+
+        List<BoughtResources> boughtResources = new ArrayList<>(2);
+        boughtResources.add(TestUtils.createBoughtResources(provider, type));
+        boughtResources.add(TestUtils.createBoughtResources(overriddenProvider, type));
+
+        assertEquals(defaultCost + overriddenCost, rules.computeCost(boughtResources));
+    }
+
+}
\ No newline at end of file
diff --git a/src/test/java/org/luxons/sevenwonders/game/test/TestUtils.java b/src/test/java/org/luxons/sevenwonders/game/test/TestUtils.java
index 968e4821..66a8e7c6 100644
--- a/src/test/java/org/luxons/sevenwonders/game/test/TestUtils.java
+++ b/src/test/java/org/luxons/sevenwonders/game/test/TestUtils.java
@@ -9,7 +9,9 @@ import org.luxons.sevenwonders.game.boards.Board;
 import org.luxons.sevenwonders.game.cards.Card;
 import org.luxons.sevenwonders.game.cards.Color;
 import org.luxons.sevenwonders.game.cards.Requirements;
+import org.luxons.sevenwonders.game.resources.BoughtResources;
 import org.luxons.sevenwonders.game.resources.Production;
+import org.luxons.sevenwonders.game.resources.Provider;
 import org.luxons.sevenwonders.game.resources.ResourceType;
 import org.luxons.sevenwonders.game.resources.Resources;
 import org.luxons.sevenwonders.game.wonders.Wonder;
@@ -69,6 +71,13 @@ public class TestUtils {
         return resources;
     }
 
+    public static BoughtResources createBoughtResources(Provider provider, ResourceType... resources) {
+        BoughtResources boughtResources = new BoughtResources();
+        boughtResources.setProvider(provider);
+        boughtResources.setResources(TestUtils.createResources(resources));
+        return boughtResources;
+    }
+
     public static List<Card> createSampleCards(int fromIndex, int nbCards) {
         List<Card> sampleCards = new ArrayList<>();
         for (int i = fromIndex; i < fromIndex + nbCards; i++) {