support/testing: add python-argh tests

Use a simple script to check the basic usage. Since this package
provides command line arguments, override run_sample_scripts to call the
script with arguments and check the expected output.

Signed-off-by: Ricardo Martincoski <ricardo.martincoski@gmail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>

support/testing/tests/package/test_python_argh.py

@@ -0,0 +1,45 @@
+from tests.package.test_python import TestPythonPackageBase
+
+
+class TestPythonArgh(TestPythonPackageBase):
+    config = TestPythonPackageBase.config
+    sample_scripts = ["tests/package/sample_python_argh.py"]
+
+    def run_sample_scripts(self):
+        cmd = self.interpreter + " sample_python_argh.py -h"
+        output, exit_code = self.emulator.run(cmd)
+        self.assertIn("usage:", output[0])
+        self.assertEqual(exit_code, 0)
+
+        cmd = self.interpreter + " sample_python_argh.py 123"
+        output, exit_code = self.emulator.run(cmd)
+        self.assertEqual(output[0], "123, False")
+        self.assertEqual(exit_code, 0)
+
+        cmd = self.interpreter + " sample_python_argh.py --bar 456"
+        output, exit_code = self.emulator.run(cmd)
+        self.assertEqual(output[0], "456, True")
+        self.assertEqual(exit_code, 0)
+
+        cmd = self.interpreter + " sample_python_argh.py"
+        output, exit_code = self.emulator.run(cmd)
+        self.assertIn("usage:", output[0])
+        self.assertEqual(exit_code, 2)
+
+
+class TestPythonPy2Argh(TestPythonArgh):
+    __test__ = True
+    config = TestPythonArgh.config + \
+        """
+        BR2_PACKAGE_PYTHON=y
+        BR2_PACKAGE_PYTHON_ARGH=y
+        """
+
+
+class TestPythonPy3Argh(TestPythonArgh):
+    __test__ = True
+    config = TestPythonArgh.config + \
+        """
+        BR2_PACKAGE_PYTHON3=y
+        BR2_PACKAGE_PYTHON_ARGH=y
+        """