support/testing: add python-incremental tests

Add a simple test case that imports the module and asserts a version
string for a fake package is generated.

Signed-off-by: Ricardo Martincoski <ricardo.martincoski@gmail.com>
Cc: Asaf Kahlon <asafka7@gmail.com>
Cc: Yegor Yefremov <yegorslists@googlemail.com>
Reviewed-by: Yegor Yefremov <yegorslists@googlemail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>

support/testing/tests/package/test_python_incremental.py

@@ -0,0 +1,34 @@
+from tests.package.test_python import TestPythonBase
+
+
+class TestPythonIncremental(TestPythonBase):
+    def str_test(self):
+        cmd = self.interpreter + " -c 'import incremental;"
+        cmd += "v = incremental.Version(\"package\", 1, 2, 3, release_candidate=4);"
+        cmd += "assert(str(v) == \"[package, version 1.2.3rc4]\")'"
+        _, exit_code = self.emulator.run(cmd, timeout=30)
+        self.assertEqual(exit_code, 0)
+
+
+class TestPythonPy2Incremental(TestPythonIncremental):
+    config = TestPythonBase.config + \
+        """
+        BR2_PACKAGE_PYTHON=y
+        BR2_PACKAGE_PYTHON_INCREMENTAL=y
+        """
+
+    def test_run(self):
+        self.login()
+        self.str_test()
+
+
+class TestPythonPy3Incremental(TestPythonIncremental):
+    config = TestPythonBase.config + \
+        """
+        BR2_PACKAGE_PYTHON3=y
+        BR2_PACKAGE_PYTHON_INCREMENTAL=y
+        """
+
+    def test_run(self):
+        self.login()
+        self.str_test()