diff --git a/tests/test_config/sample_apps/sample_app/__init__.py b/tests/test_config/sample_apps/sample_app/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/tests/test_config/sample_apps/sample_app/app.py b/tests/test_config/sample_apps/sample_app/app.py
new file mode 100644
index 0000000..dcb81fd
--- /dev/null
+++ b/tests/test_config/sample_apps/sample_app/app.py
@@ -0,0 +1,3 @@
+def setup_app(config):
+    assert config.foo.sample_key == True
+    return 'DEPLOYED!'
diff --git a/tests/test_config/sample_apps/sample_app_config.py b/tests/test_config/sample_apps/sample_app_config.py
new file mode 100644
index 0000000..63b8d7f
--- /dev/null
+++ b/tests/test_config/sample_apps/sample_app_config.py
@@ -0,0 +1,9 @@
+import sample_app
+
+app = {
+    'modules': [sample_app]
+}
+
+foo = {
+    'sample_key': True
+}
diff --git a/tests/test_config/sample_apps/sample_app_config_missing.py b/tests/test_config/sample_apps/sample_app_config_missing.py
new file mode 100644
index 0000000..77dae46
--- /dev/null
+++ b/tests/test_config/sample_apps/sample_app_config_missing.py
@@ -0,0 +1,9 @@
+import sample_app_missing
+
+app = {
+    'modules': [sample_app_missing]
+}
+
+foo = {
+    'sample_key': True
+}
diff --git a/tests/test_config/sample_apps/sample_app_config_missing_app.py b/tests/test_config/sample_apps/sample_app_config_missing_app.py
new file mode 100644
index 0000000..e69de29
diff --git a/tests/test_config/sample_apps/sample_app_missing/__init__.py b/tests/test_config/sample_apps/sample_app_missing/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/tests/test_config/sample_apps/sample_app_missing_app/__init__.py b/tests/test_config/sample_apps/sample_app_missing_app/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/tests/test_config/sample_apps/sample_app_missing_app/app.py b/tests/test_config/sample_apps/sample_app_missing_app/app.py
new file mode 100644
index 0000000..e69de29
diff --git a/tests/test_deploy.py b/tests/test_deploy.py
new file mode 100644
index 0000000..8978fde
--- /dev/null
+++ b/tests/test_deploy.py
@@ -0,0 +1,61 @@
+from pecan.deploy import deploy
+from unittest import TestCase
+
+import pytest
+import os
+import sys
+
+
+class TestDeploy(TestCase):
+
+    def setUp(self):
+        test_config_d = os.path.join(os.path.dirname(__file__), 'test_config', 'sample_apps')
+
+        if test_config_d not in sys.path:
+            sys.path.append(test_config_d)
+
+    def test_module_lookup(self):
+        """
+        1.  A config file has:
+            app { 'modules': [valid_module] }
+        2.  The module, `valid_module` has an app.py that defines a `def setup.py`
+        """
+        test_config_file = os.path.join(os.path.dirname(__file__), 'test_config', 'sample_apps', 'sample_app_config.py')
+        assert deploy(test_config_file) == 'DEPLOYED!'
+
+    def test_module_lookup_find_best_match(self):
+        """
+        1.  A config file has:
+            app { 'modules': [invalid_module, valid_module] }
+        2.  The module, `valid_module` has an app.py that defines a `def setup_app`
+        """
+        test_config_file = os.path.join(os.path.dirname(__file__), 'test_config', 'sample_apps', 'sample_app_config.py')
+        assert deploy(test_config_file) == 'DEPLOYED!'
+
+    def test_missing_app_file_lookup(self):
+        """
+        1. A config file has:
+            app { 'modules': [valid_module] }
+        2. The module has no `app.py` file.
+        """
+        test_config_file = os.path.join(os.path.dirname(__file__), 'test_config', 'sample_apps', 'sample_app_config_missing.py')
+        self.assertRaisesRegexp(
+            Exception, 
+            'No app.setup_app found in any of the configured app.modules',
+            deploy, 
+            test_config_file
+        )
+
+    def test_missing_setup_app(self):
+        """
+        1.  A config file has:
+            app { 'modules': [valid_module] }
+        2.  The module, `valid_module` has an `app.py` that contains no `def setup_app`
+        """
+        test_config_file = os.path.join(os.path.dirname(__file__), 'test_config', 'sample_apps', 'sample_app_config_missing_app.py')
+        self.assertRaisesRegexp(
+            Exception, 
+            'No app.setup_app found in any of the configured app.modules',
+            deploy, 
+            test_config_file
+        )