Add black-box tests with tox

test_examples.sh

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+#!/bin/bash
+
+# Script that tests black-box tests deface with examples.
+# Before running, install deface and cd to the repo root
+
+
+# Show help, checking if the main script runs without errors
+deface --help
+
+# Create a temporary directory for outputs
+tmpdir=$(mktemp -d -t deface-XXXXXXXXXX)
+
+# Test deface with the example image, write output to temporary directory
+deface ./examples/city.jpg -o ${tmpdir}/city_anonymized.jpg
+
+# TODO: Add more tests (video I/O, different EPs)

tox.ini

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+[tox]
+env_list =
+    py310, py311, py312
+minversion = 4.11.3
+
+[gh-actions]
+python =
+    3.10: py310
+    3.11: py311
+    3.12: py312
+
+[testenv]
+description = Run executable with example data
+package = wheel
+wheel_build_env = .pkg
+allowlist_externals =
+    bash
+commands =
+    bash ./test_examples.sh