add parameterized test

Java/src/test/java/com/gildedrose/GildedRoseTest.java

@@ -1,19 +1,30 @@
 package com.gildedrose;
 
 import org.junit.jupiter.api.Test;
+import org.junit.jupiter.params.ParameterizedTest;
+import org.junit.jupiter.params.provider.Arguments;
+import org.junit.jupiter.params.provider.MethodSource;
+
+import java.util.stream.Stream;
 
 import static org.junit.jupiter.api.Assertions.assertEquals;
 
 class GildedRoseTest {
 
-    @Test
+    private static Stream<Arguments> provideInputWhereSellInDayPassesByOneDay() {
-    void shouldDegradeQualityForAnItem() {
+
-        Item[] items = new Item[]{new Item("Normal Item", 0, 0)};
+        return Stream.of(
-        GildedRose app = new GildedRose(items);
+            Arguments.of(new GildedRose(new Item[]{new Item("Normal Item", 0, 0)}), "Normal Item", -1, 0)
-        app.updateQuality();
+        );
-        assertEquals("Normal Item", app.items[0].name);
+    }
-        assertEquals(-1, app.items[0].sellIn);
+
-        assertEquals(0, app.items[0].quality);
+    @ParameterizedTest
+    @MethodSource("provideInputWhereSellInDayPassesByOneDay")
+    void shouldDegradeQualityForAnItem(GildedRose gildedRose, String expectedName, int expectedSellIn, int expectedQuality) {
+        gildedRose.updateQuality();
+        assertEquals(expectedName, gildedRose.items[0].name);
+        assertEquals(expectedSellIn, gildedRose.items[0].sellIn);
+        assertEquals(expectedQuality, gildedRose.items[0].quality);
     }
 
 }