From 6be8a090fb367cfb672f78a7206c3613cdb147a3 Mon Sep 17 00:00:00 2001
From: Ashwin Rana <119340735+gaiters-cafes@users.noreply.github.com>
Date: Wed, 27 Sep 2023 16:18:25 +0000
Subject: [PATCH] UnitTest coverage

---
 python/GildedRoseRequirements.txt   |  1 +
 python/test_gilded_rose.py          | 16 -----------
 python/tests/__init__.py            |  0
 python/tests/test_aged_brie.py      |  9 +++++++
 python/tests/test_backstage_pass.py | 37 +++++++++++++++++++++++++
 python/tests/test_main.py           | 42 +++++++++++++++++++++++++++++
 python/tests/test_sulfuras.py       | 16 +++++++++++
 7 files changed, 105 insertions(+), 16 deletions(-)
 create mode 120000 python/GildedRoseRequirements.txt
 delete mode 100644 python/test_gilded_rose.py
 create mode 100644 python/tests/__init__.py
 create mode 100644 python/tests/test_aged_brie.py
 create mode 100644 python/tests/test_backstage_pass.py
 create mode 100644 python/tests/test_main.py
 create mode 100644 python/tests/test_sulfuras.py

diff --git a/python/GildedRoseRequirements.txt b/python/GildedRoseRequirements.txt
new file mode 120000
index 00000000..0f79dc27
--- /dev/null
+++ b/python/GildedRoseRequirements.txt
@@ -0,0 +1 @@
+../GildedRoseRequirements.txt
\ No newline at end of file
diff --git a/python/test_gilded_rose.py b/python/test_gilded_rose.py
deleted file mode 100644
index 616934e0..00000000
--- a/python/test_gilded_rose.py
+++ /dev/null
@@ -1,16 +0,0 @@
-# -*- coding: utf-8 -*-
-import unittest
-
-from gilded_rose import Item, GildedRose
-
-
-class GildedRoseTest(unittest.TestCase):
-    def test_foo(self):
-        items = [Item("foo", 0, 0)]
-        gilded_rose = GildedRose(items)
-        gilded_rose.update_quality()
-        self.assertEquals("fixme", items[0].name)
-
-        
-if __name__ == '__main__':
-    unittest.main()
diff --git a/python/tests/__init__.py b/python/tests/__init__.py
new file mode 100644
index 00000000..e69de29b
diff --git a/python/tests/test_aged_brie.py b/python/tests/test_aged_brie.py
new file mode 100644
index 00000000..937fb5ba
--- /dev/null
+++ b/python/tests/test_aged_brie.py
@@ -0,0 +1,9 @@
+from gilded_rose import Item, GildedRose
+
+AGED_BRIE = "Aged Brie"
+# "Aged Brie" actually increases in Quality the older it get
+def test_aged_brie_increases_quality_older():
+    items = [Item(AGED_BRIE, 0, 0)]
+    gilded_rose = GildedRose(items)
+    gilded_rose.update_quality()
+    assert items[0].quality == 2
\ No newline at end of file
diff --git a/python/tests/test_backstage_pass.py b/python/tests/test_backstage_pass.py
new file mode 100644
index 00000000..01a44559
--- /dev/null
+++ b/python/tests/test_backstage_pass.py
@@ -0,0 +1,37 @@
+from gilded_rose import Item, GildedRose
+
+'''
+"Backstage passes", like aged brie, increases in Quality as its SellIn value approaches;
+Quality increases by 2 when there are 10 days or less and by 3 when there are 5 days or less but
+Quality drops to 0 after the concert
+'''
+
+BACKSTAGE_PASSES = "Backstage passes to a TAFKAL80ETC concert"
+
+# Backstage passes, increases in Quality as its SellIn value approaches
+def test_backstage_passes_increase_quality():
+    items = [Item(BACKSTAGE_PASSES, 11, 0)]
+    gilded_rose = GildedRose(items)
+    gilded_rose.update_quality()
+    assert items[0].quality == 1
+
+# Quality increases by 2 when there are 10 days or less 
+def test_backstage_passes_increase_quality_by_2():
+    items = [Item(BACKSTAGE_PASSES, 10, 0)]
+    gilded_rose = GildedRose(items)
+    gilded_rose.update_quality()
+    assert items[0].quality == 2
+
+# Quality increases by 3 when there are 5 days or less
+def test_backstage_passes_increase_quality_by_3():
+    items = [Item(BACKSTAGE_PASSES, 5, 0)]
+    gilded_rose = GildedRose(items)
+    gilded_rose.update_quality()
+    assert items[0].quality == 3
+
+# Quality drops to 0 after the concert
+def test_backstage_passes_quality_is_0_sell_in_is_0():
+    items = [Item(BACKSTAGE_PASSES, 0, 10)]
+    gilded_rose = GildedRose(items)
+    gilded_rose.update_quality()
+    assert items[0].quality == 0
\ No newline at end of file
diff --git a/python/tests/test_main.py b/python/tests/test_main.py
new file mode 100644
index 00000000..3b9dd8ec
--- /dev/null
+++ b/python/tests/test_main.py
@@ -0,0 +1,42 @@
+# -*- coding: utf-8 -*-
+from gilded_rose import Item, GildedRose
+
+def test_foo():
+    items = [Item("foo", 0, 0)]
+    gilded_rose = GildedRose(items)
+    gilded_rose.update_quality()
+    assert items[0].name == "foo"
+
+# At the end of each day our system lowers both values for every item
+def test_item_sell_in_decreases():
+    items = [Item("foo", 1, 0)]
+    gilded_rose = GildedRose(items)
+    gilded_rose.update_quality()
+    assert items[0].sell_in == 0
+
+def test_item_quality_decreases():
+    items = [Item("foo", 0, 1)]
+    gilded_rose = GildedRose(items)
+    gilded_rose.update_quality()
+    assert items[0].quality == 0
+
+# Once the sell by date has passed, Quality degrades twice as fast
+def test_item_sell_in_passed_quality_degrades_twice():
+    items = [Item("foo", 0, 2)]
+    gilded_rose = GildedRose(items)
+    gilded_rose.update_quality()
+    assert items[0].quality == 0
+
+# The Quality of an item is never negative
+def test_item_quality_is_never_negative():
+    items = [Item("foo", 0, 0)]
+    gilded_rose = GildedRose(items)
+    gilded_rose.update_quality()
+    assert items[0].quality == 0
+
+# The Quality of an item is never more than 50
+def test_item_quality_is_never_more_than_50():
+    items = [Item("Aged Brie", 0, 50)]
+    gilded_rose = GildedRose(items)
+    gilded_rose.update_quality()
+    assert items[0].quality == 50
\ No newline at end of file
diff --git a/python/tests/test_sulfuras.py b/python/tests/test_sulfuras.py
new file mode 100644
index 00000000..d0e1dc7f
--- /dev/null
+++ b/python/tests/test_sulfuras.py
@@ -0,0 +1,16 @@
+from gilded_rose import Item, GildedRose
+
+SULFURAS = "Sulfuras, Hand of Ragnaros"
+
+# "Sulfuras", being a legendary item, never has to be sold or decreases in Quality
+def test_sulfuras_sell_in_does_not_decrease():
+    items = [Item(SULFURAS, 0, 0)]
+    gilded_rose = GildedRose(items)
+    gilded_rose.update_quality()
+    assert items[0].sell_in == 0
+
+def test_sulfuras_does_not_decrease_in_quality():
+    items = [Item(SULFURAS, 0, 0)]
+    gilded_rose = GildedRose(items)
+    gilded_rose.update_quality()
+    assert items[0].quality == 0
\ No newline at end of file