From a2798f44dece039cd1e9abd8b91c8ac2e7538d3a Mon Sep 17 00:00:00 2001
From: kitfbgh <a8732987@gmail>
Date: Sat, 2 Apr 2022 11:20:08 +0800
Subject: [PATCH] Complete test cases

---
 php/src/GildedRose.php       |   5 ++
 php/tests/GildedRoseTest.php | 144 +++++++++++++++++++++++++++++++++--
 2 files changed, 144 insertions(+), 5 deletions(-)

diff --git a/php/src/GildedRose.php b/php/src/GildedRose.php
index 07a4d747..3350949b 100644
--- a/php/src/GildedRose.php
+++ b/php/src/GildedRose.php
@@ -16,6 +16,11 @@ final class GildedRose
         $this->items = $items;
     }
 
+    public function getItems(): array
+    {
+        return $this->items;
+    }
+
     public function updateQuality(): void
     {
         foreach ($this->items as $item) {
diff --git a/php/tests/GildedRoseTest.php b/php/tests/GildedRoseTest.php
index 52e7ddc6..f0db9e7b 100644
--- a/php/tests/GildedRoseTest.php
+++ b/php/tests/GildedRoseTest.php
@@ -10,11 +10,145 @@ use PHPUnit\Framework\TestCase;
 
 class GildedRoseTest extends TestCase
 {
-    public function testFoo(): void
+    public function testQualityNeverIsNegative(): void
     {
-        $items = [new Item('foo', 0, 0)];
-        $gildedRose = new GildedRose($items);
-        $gildedRose->updateQuality();
-        $this->assertSame('fixme', $items[0]->name);
+        $items = [new Item("foo", 0, 0)];
+        $app = new GildedRose($items);
+
+        $app->updateQuality();
+
+        $this->assertSame(0, $app->getItems()[0]->quality);
+    }
+
+    public function testSulfurasCouldNotBeSold(): void
+    {
+        $items = [new Item("Sulfuras, Hand of Ragnaros", 10, 0)];
+        $app = new GildedRose($items);
+
+        $app->updateQuality();
+
+        $this->assertSame(10, $app->getItems()[0]->sellIn);
+    }
+
+    public function testSulfurasCouldNotDecreaseQuality(): void
+    {
+        $items = [new Item("Sulfuras, Hand of Ragnaros", 10, 10)];
+        $app = new GildedRose($items);
+
+        $app->updateQuality();
+
+        $this->assertSame(10, $app->getItems()[0]->quality);
+    }
+
+    public function testQualityCouldNotBeMoreThanFifty(): void
+    {
+        $items = [new Item("Aged Brie", 10, 50)];
+        $app = new GildedRose($items);
+
+        $app->updateQuality();
+
+        $this->assertSame(50, $app->getItems()[0]->quality);
+    }
+
+    public function testItemWithDatePassedQualityDecreaseByTwice(): void
+    {
+        $items = [new Item("foo", -1, 40)];
+        $app = new GildedRose($items);
+
+        $app->updateQuality();
+
+        $this->assertSame(38, $app->getItems()[0]->quality);
+    }
+
+    public function testAgedBrieIncreaseQualityWhenItGetsOlder(): void
+    {
+        $items = [new Item("Aged Brie", 1, 40)];
+        $app = new GildedRose($items);
+
+        $app->updateQuality();
+
+        $this->assertSame(41, $app->getItems()[0]->quality);
+    }
+
+    public function testAgedBrieIncreaseByTwoQualityWhenDatePassed(): void
+    {
+        $items = [new Item("Aged Brie", -1, 40)];
+        $app = new GildedRose($items);
+
+        $app->updateQuality();
+
+        $this->assertSame(42, $app->getItems()[0]->quality);
+    }
+
+    public function testAgedBrieIncreaseByTwoQualityWhenDatePassedAndNotMoreThanFifty() {
+        $items = [new Item("Aged Brie", -1, 50)];
+        $app = new GildedRose($items);
+
+        $app->updateQuality();
+
+        $this->assertSame(50, $app->getItems()[0]->quality);
+    }
+
+    public function testBackstagePassesIncreaseQualityByTwoWhenSelinLessThanTen() {
+        $items = [new Item("Backstage passes to a TAFKAL80ETC concert", 10, 40)];
+        $app = new GildedRose($items);
+
+        $app->updateQuality();
+
+        $this->assertSame(42, $app->getItems()[0]->quality);
+    }
+
+    public function testBackstagePassesIncreaseQualityByTwoWhenSellinLessThanSix() {
+        $items = [new Item("Backstage passes to a TAFKAL80ETC concert", 6, 40)];
+        $app = new GildedRose($items);
+
+        $app->updateQuality();
+
+        $this->assertSame(42, $app->getItems()[0]->quality);
+    }
+
+    public function testBackstagePassesIncreaseQualityByThreeWhenSellinLessThanFive() {
+        $items = [new Item("Backstage passes to a TAFKAL80ETC concert", 5, 40)];
+        $app = new GildedRose($items);
+
+        $app->updateQuality();
+
+        $this->assertSame(43, $app->getItems()[0]->quality);
+    }
+
+    public function testBackstagePassesIncreaseQualityByTwoWhenSellinLessThanSixAndNotMoreThanFifty() {
+        $items = [new Item("Backstage passes to a TAFKAL80ETC concert", 6, 49)];
+        $app = new GildedRose($items);
+
+        $app->updateQuality();
+
+        $this->assertSame(50, $app->getItems()[0]->quality);
+    }
+
+    public function testBackstagePassesIncreaseQualityByThreeWhenSellinLessThanFiveAndNotMoreThanFifty() {
+        $items = [new Item("Backstage passes to a TAFKAL80ETC concert", 5, 48)];
+        $app = new GildedRose($items);
+
+        $app->updateQuality();
+
+        $this->assertSame(50, $app->getItems()[0]->quality);
+    }
+
+    public function testBackstagePassesQualityDropsToZeroAfterConcert() {
+        $items = [new Item("Backstage passes to a TAFKAL80ETC concert", 0, 40)];
+        $app = new GildedRose($items);
+
+        $app->updateQuality();
+
+        $this->assertSame(0, $app->getItems()[0]->quality);
+    }
+
+    public function testBackstagePassesQualityIncreaseQualityByOneWhenDateIsMoreThanTen() {
+        $items = [new Item("Backstage passes to a TAFKAL80ETC concert", 11, 40)];
+        $app = new GildedRose($items);
+
+        $app->updateQuality();
+
+        $this->assertSame(41, $app->getItems()[0]->quality);
     }
 }