diff --git a/tests/resources/NOTE.md b/tests/resources/NOTE.md
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--- /dev/null
+++ b/tests/resources/NOTE.md
@@ -0,0 +1 @@
+All test resources must come from public domain sources such as Wikimedia.
diff --git a/tests/resources/graph.pdf b/tests/resources/graph.pdf
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index 00000000..00db54d3
Binary files /dev/null and b/tests/resources/graph.pdf differ
diff --git a/tests/test_main.py b/tests/test_main.py
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+++ b/tests/test_main.py
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+#!/usr/bin/env python3
+
+from subprocess import Popen, PIPE
+import os
+
+TESTS_ROOT = os.path.abspath(os.path.dirname(__file__))
+PROJECT_ROOT = os.path.dirname(TESTS_ROOT)
+OCRMYPDF = os.path.join(PROJECT_ROOT, 'OCRmyPDF.sh')
+TEST_RESOURCES = os.path.join(PROJECT_ROOT, 'tests', 'resources')
+
+
+def run_ocrmypdf(input_file, output_file, *args):
+    input_path = os.path.join(TEST_RESOURCES, input_file)
+    output_path = os.path.join(TEST_RESOURCES, output_file)
+
+    sh_args = ['sh', './OCRmyPDF.sh'] + list(args) + [input_path, output_path]
+    sh = Popen(
+        sh_args, close_fds=True, stdout=PIPE, stderr=PIPE,
+        universal_newlines=True)
+    out, err = sh.communicate()
+    return sh, out, err
+
+
+def check_ocrmypdf(input_file, output_file, *args):
+    sh, _, err = run_ocrmypdf(input_file, output_file, *args)
+    assert sh.returncode == 0, err
+
+
+def test_quick():
+    check_ocrmypdf('graph.pdf', 'graph_out.pdf')