diff --git a/.travis.yml b/.travis.yml
index 2997d16..3e0a5f1 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -8,8 +8,11 @@ script:
   # Install the binary, running the debian scripts in the process
   - sudo apt install ../*.deb -y
 
+  # Go through function tests
   - ./tests/importing.sh
   - ./tests/passthrough.sh
+  - ./tests/pam.sh
+  - ./tests/compare.sh
 
   # Remove howdy from the installation
   - sudo apt purge howdy -y
@@ -27,3 +30,4 @@ addons:
       - ack-grep
       - devscripts
       - fakeroot
+      - pamtester
diff --git a/tests/compare.sh b/tests/compare.sh
new file mode 100755
index 0000000..969d550
--- /dev/null
+++ b/tests/compare.sh
@@ -0,0 +1,29 @@
+# TEST MODEL-FRAME COMPARE FUNCTIONS
+set -o xtrace
+set -e
+
+# Make sure howdy is clean before starting
+sudo howdy clear -y || true
+
+# Learn match 1
+sudo sed -i "s,device_path.*,device_path = $PWD\/tests\/video\/match1.m4v,g" /lib/security/howdy/config.ini
+sudo howdy add -y
+
+# Text compare matching with same camera input
+sudo python3 /lib/security/howdy/compare.py $USER
+
+# Change to match 2 and compare against the modal of match 1, which should fail
+sudo sed -i "s,device_path.*,device_path = $PWD\/tests\/video\/match2.m4v,g" /lib/security/howdy/config.ini
+! sudo python3 /lib/security/howdy/compare.py $USER
+
+# Add match 2 as a model to compare both 1 and 2 at the same time
+sudo howdy add -y
+sudo python3 /lib/security/howdy/compare.py $USER
+
+# Compare against a camera with no visible face
+sudo sed -i "s,device_path.*,device_path = $PWD\/tests\/video\/noMatch.m4v,g" /lib/security/howdy/config.ini
+! sudo python3 /lib/security/howdy/compare.py $USER
+
+# Clean up
+sudo howdy clear -y
+sudo sed -i "s,device_path.*,device_path = none,g" /lib/security/howdy/config.ini
diff --git a/tests/importing.sh b/tests/importing.sh
index 3f7bddd..4bb7c22 100755
--- a/tests/importing.sh
+++ b/tests/importing.sh
@@ -1,7 +1,9 @@
+# TEST INSTALLATION OF DEPENDENCIES
+set -o xtrace
+set -e
+
 # Confirm the cv2 module has been installed correctly
-echo "cv2 version:"
 sudo /usr/bin/env python3 -c "import cv2; print(cv2.__version__);"
 
 # Confirm the face_recognition module has been installed correctly
-echo "face_recognition version:"
 sudo /usr/bin/env python3 -c "import face_recognition; print(face_recognition.__version__);"
diff --git a/tests/pam.sh b/tests/pam.sh
new file mode 100755
index 0000000..0f1f7a0
--- /dev/null
+++ b/tests/pam.sh
@@ -0,0 +1,32 @@
+# TEST THE PAM INTEGRATION
+set -o xtrace
+set -e
+
+# Make sure howdy is clean before starting
+sudo howdy clear -y || true
+
+# Change active camera to match video 1
+sudo sed -i "s,device_path.*,device_path = $PWD\/tests\/video\/match1.m4v,g" /lib/security/howdy/config.ini
+
+# Let howdy add the match face
+sudo howdy add -y
+
+# Test the PAM auth
+timeout 10 pamtester login $USER authenticate
+
+# Clear the face models and change the camera to video 2
+sudo howdy clear -y
+sudo sed -i "s,device_path.*,device_path = $PWD\/tests\/video\/match2.m4v,g" /lib/security/howdy/config.ini
+
+# Let howdy add the match face
+sudo howdy add -y
+
+# Try to open a elevated session through PAM
+timeout 10 pamtester login $USER open_session
+
+# Verify we can close sessions, even though howdy does not use this PAM function
+timeout 10 pamtester login $USER close_session
+
+# Clean up
+sudo howdy clear -y
+sudo sed -i "s,device_path.*,device_path = none,g" /lib/security/howdy/config.ini
diff --git a/tests/passthrough.sh b/tests/passthrough.sh
old mode 100644
new mode 100755
index 8822b50..629d142
--- a/tests/passthrough.sh
+++ b/tests/passthrough.sh
@@ -1,3 +1,7 @@
+# TEST USER SUDO PASSTHOUGH (NON-ROOT)
+set -o xtrace
+set -e
+
 # Check if the username passthough works correctly with sudo
 howdy | ack-grep --passthru --color "current active user: travis"
 sudo howdy | ack-grep --passthru --color "current active user: travis"