diff --git a/.travis.yml b/.travis.yml
index 46e5aaa..f924d60 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -2,9 +2,14 @@ language: python
 python:
     - "3.6"
 
+before_install:
+    - sudo apt-get -qq update
+    - sudo apt-get install -y imagemagick
+
 install:
     - pip install flake8 pylint
 
 script:
-    - flake8 pywal setup.py
-    - pylint --ignore-imports=yes pywal setup.py
+    - flake8 pywal tests setup.py
+    - pylint --ignore-imports=yes pywal tests setup.py
+    - python setup.py test
diff --git a/pywal/util.py b/pywal/util.py
index bc385d9..67baa6a 100755
--- a/pywal/util.py
+++ b/pywal/util.py
@@ -8,7 +8,9 @@ import subprocess
 
 def read_file(input_file):
     """Read colors from a file."""
-    return open(input_file).read().splitlines()
+    with open(input_file) as file:
+        colors = file.read().splitlines()
+    return colors
 
 
 def save_file(colors, export_file):
diff --git a/setup.py b/setup.py
index d6a8017..d0729b6 100644
--- a/setup.py
+++ b/setup.py
@@ -35,5 +35,6 @@ setup(
     entry_points={
         "console_scripts": ["wal=pywal.__main__:main"]
     },
-    python_requires=">=3.6"
+    python_requires=">=3.6",
+    test_suite="tests",
 )
diff --git a/tests/__init__.py b/tests/__init__.py
new file mode 100755
index 0000000..af433d7
--- /dev/null
+++ b/tests/__init__.py
@@ -0,0 +1,4 @@
+"""
+wal - Generate and change colorschemes on the fly.
+Created by Dylan Araps.
+"""
diff --git a/tests/test_export_colors.py b/tests/test_export_colors.py
new file mode 100755
index 0000000..5ca04d9
--- /dev/null
+++ b/tests/test_export_colors.py
@@ -0,0 +1,26 @@
+"""Test export functions."""
+import unittest
+import pathlib
+
+from pywal import export_colors
+from pywal import util
+
+
+# Import colors.
+COLORS = util.read_file("tests/test_files/test_file")
+
+
+class TestExportColors(unittest.TestCase):
+    """Test the export_colors functions."""
+
+    def test_save_colors(self):
+        """> Export colors to a file."""
+        tmp_file = pathlib.Path("/tmp/test_file")
+        colors = util.read_file("tests/test_files/test_file")
+        export_colors.save_colors(colors, tmp_file, "plain colors")
+        result = tmp_file.is_file()
+        self.assertTrue(result)
+
+
+if __name__ == "__main__":
+    unittest.main()
diff --git a/tests/test_files/test.jpg b/tests/test_files/test.jpg
new file mode 100644
index 0000000..b613ed0
Binary files /dev/null and b/tests/test_files/test.jpg differ
diff --git a/tests/test_files/test_file b/tests/test_files/test_file
new file mode 100644
index 0000000..30eeeaa
--- /dev/null
+++ b/tests/test_files/test_file
@@ -0,0 +1,16 @@
+#363442
+#99A3B1
+#C5BDB6
+#98AEC2
+#A8B9C6
+#96C4CF
+#B7C5CC
+#C9CFD0
+#999999
+#99A3B1
+#C5BDB6
+#98AEC2
+#A8B9C6
+#96C4CF
+#B7C5CC
+#C9CFD0
diff --git a/tests/test_format_colors.py b/tests/test_format_colors.py
new file mode 100755
index 0000000..63c1ce2
--- /dev/null
+++ b/tests/test_format_colors.py
@@ -0,0 +1,47 @@
+"""Test format functions."""
+import unittest
+
+from pywal import format_color
+from pywal import util
+
+
+# Import colors.
+COLORS = util.read_file("tests/test_files/test_file")
+
+
+class TestFormatColors(unittest.TestCase):
+    """Test the format_colors functions."""
+
+    def test_plain(self):
+        """> Convert colors to plain."""
+        result = format_color.plain(COLORS)
+        self.assertEqual(result[0], "#363442\n")
+
+    def test_shell(self):
+        """> Convert colors to shell variables."""
+        result = format_color.shell(COLORS)
+        self.assertEqual(result[0], "color0='#363442'\n")
+
+    def test_css(self):
+        """> Convert colors to css variables."""
+        result = format_color.css(COLORS)
+        self.assertEqual(result[1], "\t--color0: #363442;\n")
+
+    def test_scss(self):
+        """> Convert colors to scss variables."""
+        result = format_color.scss(COLORS)
+        self.assertEqual(result[0], "$color0: #363442;\n")
+
+    def test_putty(self):
+        """> Convert colors to putty theme."""
+        result = format_color.putty(COLORS)
+        self.assertEqual(result[2], "\"colour0\"=\"54,52,66\"\n")
+
+    def test_xrdb(self):
+        """> Convert colors to putty theme."""
+        result = format_color.xrdb(COLORS)
+        self.assertEqual(result[6], "*.color0: #363442\n*color0: #363442\n")
+
+
+if __name__ == "__main__":
+    unittest.main()
diff --git a/tests/test_gen_colors.py b/tests/test_gen_colors.py
new file mode 100755
index 0000000..18ba821
--- /dev/null
+++ b/tests/test_gen_colors.py
@@ -0,0 +1,27 @@
+"""Test gen functions."""
+import unittest
+
+from pywal import gen_colors
+
+
+class TestGenColors(unittest.TestCase):
+    """Test the gen_colors functions."""
+
+    def test_get_img(self):
+        """> Validate image file."""
+        result = gen_colors.get_image("tests/test_files/test.jpg")
+        self.assertEqual(result, "tests/test_files/test.jpg")
+
+    def test_get_img_dir(self):
+        """> Validate image directory."""
+        result = gen_colors.get_image("tests/test_files")
+        self.assertEqual(result, "tests/test_files/test.jpg")
+
+    def test_gen_colors(self):
+        """> Generate a colorscheme."""
+        result = gen_colors.gen_colors("tests/test_files/test.jpg")
+        self.assertEqual(result[0], "#0F191A")
+
+
+if __name__ == "__main__":
+    unittest.main()
diff --git a/tests/test_set_colors.py b/tests/test_set_colors.py
new file mode 100755
index 0000000..43c6aed
--- /dev/null
+++ b/tests/test_set_colors.py
@@ -0,0 +1,32 @@
+"""Test set functions."""
+import unittest
+
+from pywal import set_colors
+from pywal import util
+
+
+# Import colors.
+COLORS = util.read_file("tests/test_files/test_file")
+
+
+class TestSetColors(unittest.TestCase):
+    """Test the set_colors functions."""
+
+    def test_set_special(self):
+        """> Create special escape sequence."""
+        result = set_colors.set_special(11, COLORS[0])
+        self.assertEqual(result, "\x1b]11;#363442\x07")
+
+    def test_set_color(self):
+        """> Create color escape sequence."""
+        result = set_colors.set_color(11, COLORS[0])
+        self.assertEqual(result, "\033]4;11;#363442\007")
+
+    def test_set_grey(self):
+        """> Create special escape sequence."""
+        result = set_colors.set_grey(COLORS)
+        self.assertEqual(result, "#999999")
+
+
+if __name__ == "__main__":
+    unittest.main()
diff --git a/tests/test_util.py b/tests/test_util.py
new file mode 100755
index 0000000..b1a396b
--- /dev/null
+++ b/tests/test_util.py
@@ -0,0 +1,55 @@
+"""Test util functions."""
+import unittest
+import pathlib
+
+from pywal import util
+
+
+class TestUtil(unittest.TestCase):
+    """Test the util functions."""
+
+    def test_read_file_start(self):
+        """> Read colors from a file."""
+        result = util.read_file("tests/test_files/test_file")
+        self.assertEqual(result[0], "#363442")
+
+    def test_read_file_end(self):
+        """> Read colors from a file."""
+        result = util.read_file("tests/test_files/test_file")
+        self.assertEqual(result[15], "#C9CFD0")
+
+    def test_save_file(self):
+        """> Save colors to a file."""
+        tmp_file = pathlib.Path("/tmp/test_file")
+        util.save_file("Hello, world", tmp_file)
+        result = tmp_file.is_file()
+        self.assertTrue(result)
+
+    def test_create_dir(self):
+        """> Create a directoru."""
+        tmp_dir = pathlib.Path("/tmp/test_dir")
+        util.create_dir(tmp_dir)
+        result = tmp_dir.is_dir()
+        self.assertTrue(result)
+
+    def test_hex_to_rgb_black(self):
+        """> Convert #000000 to RGB."""
+        result = util.hex_to_rgb("#000000")
+        self.assertEqual(result, "0,0,0")
+
+    def test_hex_to_rgb_white(self):
+        """> Convert #FFFFFF to RGB."""
+        result = util.hex_to_rgb("#FFFFFF")
+        self.assertEqual(result, "255,255,255")
+
+    def test_hex_to_rgb_rand(self):
+        """> Convert #98AEC2 to RGB."""
+        result = util.hex_to_rgb("#98AEC2")
+        self.assertEqual(result, "152,174,194")
+
+    # Figure out how to test this.
+    # def test_disown(self):
+
+
+if __name__ == "__main__":
+    unittest.main()