diff --git a/.gitattributes b/.gitattributes
new file mode 100644
index 0000000..f736b72
--- /dev/null
+++ b/.gitattributes
@@ -0,0 +1,2 @@
+*.wld filter=lfs diff=lfs merge=lfs -text
+*.png filter=lfs diff=lfs merge=lfs -text
diff --git a/.gitignore b/.gitignore
index 6bc2713..6cce03e 100644
--- a/.gitignore
+++ b/.gitignore
@@ -5,5 +5,4 @@ settings.xml
 dist/
 **/__pycache__/
 setup/
-sample_world/
 build/
diff --git a/requirements.txt b/requirements.txt
index 5588016..045276b 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,3 +1,4 @@
 click>=7.0
 lihzahrd>=1.0b1
 Pillow>=6.1.0
+pytest>=5.1.3
diff --git a/tests/Small_Example_full.png b/tests/Small_Example_full.png
new file mode 100644
index 0000000..0efd205
--- /dev/null
+++ b/tests/Small_Example_full.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:739286eb174fea6a585a657b5f2531491ea0d6cd577b58df2ff5f4a50b3e798f
+size 1604356
diff --git a/tests/Small_Example_full_prerendered.png b/tests/Small_Example_full_prerendered.png
new file mode 100644
index 0000000..0efd205
--- /dev/null
+++ b/tests/Small_Example_full_prerendered.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:739286eb174fea6a585a657b5f2531491ea0d6cd577b58df2ff5f4a50b3e798f
+size 1604356
diff --git a/tests/test_flyingsnake.py b/tests/test_flyingsnake.py
new file mode 100644
index 0000000..6fa84cb
--- /dev/null
+++ b/tests/test_flyingsnake.py
@@ -0,0 +1,11 @@
+import pytest
+import flyingsnake
+from click.testing import CliRunner
+from PIL import Image
+
+
+# Main integration test
+def test_full_render():
+    runner = CliRunner()
+    result = runner.invoke(flyingsnake.flyingsnake, ["./Small_Example.wld", "./Small_Example_full.png"])
+    assert Image.open("./Small_Example_full.png") == Image.open("./Small_Example_full_prerendered.png")