tests: Add tests for the python module

This doesn't touch everything as it's just based on the python3 module
tests, ported to the python module. It's still better than the one very
basic test in the unit test module.

4 files changed, 97 insertions, 0 deletions

diff --git a/test cases/python/2 extmodule/blaster.py b/test cases/python/2 extmodule/blaster.py
new file mode 100755
index 0000000..7e1eae6
--- /dev/null
+++ b/test cases/python/2 extmodule/blaster.py
@@ -0,0 +1,14 @@
+#!/usr/bin/env python3
+
+import tachyon
+import sys
+
+result = tachyon.phaserize('shoot')
+
+if not isinstance(result, int):
+    print('Returned result not an integer.')
+    sys.exit(1)
+
+if result != 1:
+    print('Returned result {} is not 1.'.format(result))
+    sys.exit(1)
diff --git a/test cases/python/2 extmodule/ext/meson.build b/test cases/python/2 extmodule/ext/meson.build
new file mode 100644
index 0000000..b13bb32
--- /dev/null
+++ b/test cases/python/2 extmodule/ext/meson.build
@@ -0,0 +1,6 @@
+pylib = py.extension_module('tachyon',
+  'tachyon_module.c',
+  dependencies : py_dep,
+)
+
+pypathdir = meson.current_build_dir()
diff --git a/test cases/python/2 extmodule/ext/tachyon_module.c b/test cases/python/2 extmodule/ext/tachyon_module.c
new file mode 100644
index 0000000..b2592e4
--- /dev/null
+++ b/test cases/python/2 extmodule/ext/tachyon_module.c
@@ -0,0 +1,49 @@
+/*
+  Copyright 2016 The Meson development team
+
+  Licensed under the Apache License, Version 2.0 (the "License");
+  you may not use this file except in compliance with the License.
+  You may obtain a copy of the License at
+
+      http://www.apache.org/licenses/LICENSE-2.0
+
+  Unless required by applicable law or agreed to in writing, software
+  distributed under the License is distributed on an "AS IS" BASIS,
+  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  See the License for the specific language governing permissions and
+  limitations under the License.
+*/
+
+/* A very simple Python extension module. */
+
+#include <Python.h>
+#include <string.h>
+
+static PyObject* phaserize(PyObject *self, PyObject *args) {
+    const char *message;
+    int result;
+
+    if(!PyArg_ParseTuple(args, "s", &message))
+        return NULL;
+
+    result = strcmp(message, "shoot") ? 0 : 1;
+    return PyLong_FromLong(result);
+}
+
+static PyMethodDef TachyonMethods[] = {
+    {"phaserize",  phaserize, METH_VARARGS,
+     "Shoot tachyon cannons."},
+    {NULL, NULL, 0, NULL}
+};
+
+static struct PyModuleDef tachyonmodule = {
+   PyModuleDef_HEAD_INIT,
+   "tachyon",
+   NULL,
+   -1,
+   TachyonMethods
+};
+
+PyMODINIT_FUNC PyInit_tachyon(void) {
+    return PyModule_Create(&tachyonmodule);
+}
diff --git a/test cases/python/2 extmodule/meson.build b/test cases/python/2 extmodule/meson.build
new file mode 100644
index 0000000..b4eb960
--- /dev/null
+++ b/test cases/python/2 extmodule/meson.build
@@ -0,0 +1,28 @@
+project('Python extension module', 'c',
+  default_options : ['buildtype=release'])
+# Because Windows Python ships only with optimized libs,
+# we must build this project the same way.
+
+py_mod = import('python')
+py = py_mod.find_installation()
+py_dep = py.dependency()
+
+if py_dep.found()
+  subdir('ext')
+
+  test('extmod',
+    py,
+    args : files('blaster.py'),
+    env : ['PYTHONPATH=' + pypathdir])
+
+  # Check we can apply a version constraint
+  dependency('python3', version: '>=@0@'.format(py_dep.version()))
+
+else
+  error('MESON_SKIP_TEST: Python3 libraries not found, skipping test.')
+endif
+
+py3_pkg_dep = dependency('python3', method: 'pkg-config', required : false)
+if py3_pkg_dep.found()
+  python_lib_dir = py3_pkg_dep.get_pkgconfig_variable('libdir')
+endif