support/testing: add test for python-gnupg

This commit add a simple test doing symmetric encryption/decryption
to check this python interface with the gpg binary is working fine.

Signed-off-by: Julien Olivain <ju.o@free.fr>
Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr>

DEVELOPERS

@@ -1611,6 +1611,8 @@ F:	package/python-distro/
 F:	package/python-gnupg/
 F:	package/python-pyalsa/
 F:	package/riscv-isa-sim/
+F:	support/testing/tests/package/sample_python_gnupg.py
+F:	support/testing/tests/package/test_python_gnupg.py
 
 N:	Julien Viard de Galbert <julien@vdg.name>
 F:	package/dieharder/

support/testing/tests/package/sample_python_gnupg.py

@@ -0,0 +1,24 @@
+import gnupg
+
+gpg = gnupg.GPG(verbose=True)
+
+plain_data = "Some plain text data"
+good_passphrase = "Good Passphrase"
+
+# Test Encrypt
+result = gpg.encrypt(plain_data, None, passphrase=good_passphrase, symmetric=True)
+assert(result.returncode == 0)
+enc_data = str(result)
+assert(enc_data != plain_data)
+
+# Test Good Decrypt
+result = gpg.decrypt(enc_data, passphrase=good_passphrase)
+assert(result.returncode == 0)
+dec_data = str(result)
+assert(dec_data == plain_data)
+
+# Test Bad Decrypt
+result = gpg.decrypt(enc_data, passphrase='A Wrong Passphrase')
+assert(result.returncode != 0)
+dec_data = str(result)
+assert(dec_data != plain_data)

support/testing/tests/package/test_python_gnupg.py

@@ -0,0 +1,21 @@
+from tests.package.test_python import TestPythonPackageBase
+
+
+class TestPythonPy2GnuPG(TestPythonPackageBase):
+    __test__ = True
+    config = TestPythonPackageBase.config + \
+        """
+        BR2_PACKAGE_PYTHON=y
+        BR2_PACKAGE_PYTHON_GNUPG=y
+        """
+    sample_scripts = ["tests/package/sample_python_gnupg.py"]
+
+
+class TestPythonPy3GnuPG(TestPythonPackageBase):
+    __test__ = True
+    config = TestPythonPackageBase.config + \
+        """
+        BR2_PACKAGE_PYTHON3=y
+        BR2_PACKAGE_PYTHON_GNUPG=y
+        """
+    sample_scripts = ["tests/package/sample_python_gnupg.py"]