From 66b4db91c7671c19fe22c4da913911b953597323 Mon Sep 17 00:00:00 2001
From: Paul Vincent Craven <paul@cravenfamily.com>
Date: Fri, 17 Apr 2020 16:33:42 -0500
Subject: [PATCH] Add unit tests for line of sight

---
 tests/unit2/test_line_of_sight.py | 41 +++++++++++++++++++++++++++++++
 1 file changed, 41 insertions(+)
 create mode 100644 tests/unit2/test_line_of_sight.py

diff --git a/tests/unit2/test_line_of_sight.py b/tests/unit2/test_line_of_sight.py
new file mode 100644
index 000000000..42f8c4b7a
--- /dev/null
+++ b/tests/unit2/test_line_of_sight.py
@@ -0,0 +1,41 @@
+import arcade
+
+def test_line_of_sight():
+    player = arcade.Sprite(":resources:images/animated_characters/female_person/femalePerson_idle.png")
+    player.center_x = 50
+    player.center_y = 350
+
+    enemy = arcade.Sprite(":resources:images/animated_characters/female_person/femalePerson_idle.png")
+    enemy.center_x = 150
+    enemy.center_y = 350
+
+    wall_list = arcade.SpriteList(use_spatial_hash=True)
+
+    result = arcade.has_line_of_sight(player.position, enemy.position, wall_list)
+    assert result
+
+    result = arcade.has_line_of_sight(player.position, enemy.position, wall_list, 2000)
+    assert result
+
+    result = arcade.has_line_of_sight(player.position, enemy.position, wall_list, 20)
+    assert not result
+
+    wall = arcade.Sprite(":resources:images/tiles/grassCenter.png")
+    wall.center_x = 0
+    wall.center_y = 0
+    wall_list.append(wall)
+
+    result = arcade.has_line_of_sight(player.position, enemy.position, wall_list)
+    assert result
+
+    wall.center_x = 100
+    wall.center_y = 350
+
+    result = arcade.has_line_of_sight(player.position, enemy.position, wall_list)
+    assert not result
+
+    wall.center_x = 100
+    wall.center_y = 450
+
+    result = arcade.has_line_of_sight(player.position, enemy.position, wall_list)
+    assert result