cython: add 1 basic test

run_project_tests.py

@@ -54,8 +54,8 @@ from run_tests import guess_backend
 
 ALL_TESTS = ['cmake', 'common', 'native', 'warning-meson', 'failing-meson', 'failing-build', 'failing-test',
              'keyval', 'platform-osx', 'platform-windows', 'platform-linux',
-             'java', 'C#', 'vala',  'rust', 'd', 'objective c', 'objective c++',
-             'fortran', 'swift', 'cuda', 'python3', 'python', 'fpga', 'frameworks', 'nasm', 'wasm'
+             'java', 'C#', 'vala', 'cython', 'rust', 'd', 'objective c', 'objective c++',
+             'fortran', 'swift', 'cuda', 'python3', 'python', 'fpga', 'frameworks', 'nasm', 'wasm',
              ]
 
 
@@ -1016,6 +1016,7 @@ def detect_tests_to_run(only: T.Dict[str, T.List[str]], use_tmp: bool) -> T.List
         TestCategory('java', 'java', backend is not Backend.ninja or mesonlib.is_osx() or not have_java()),
         TestCategory('C#', 'csharp', skip_csharp(backend)),
         TestCategory('vala', 'vala', backend is not Backend.ninja or not shutil.which(os.environ.get('VALAC', 'valac'))),
+        TestCategory('cython', 'cython', backend is not Backend.ninja or not shutil.which(os.environ.get('CYTHON', 'cython'))),
         TestCategory('rust', 'rust', should_skip_rust(backend)),
         TestCategory('d', 'd', backend is not Backend.ninja or not have_d_compiler()),
         TestCategory('objective c', 'objc', backend not in (Backend.ninja, Backend.xcode) or not have_objc_compiler(options.use_tmpdir)),

test cases/cython/1 basic/cytest.py

@@ -0,0 +1,19 @@
+#!/usr/bin/env python3
+
+from storer import Storer
+
+s = Storer()
+
+if s.get_value() != 0:
+    raise SystemExit('Initial value incorrect.')
+
+s.set_value(42)
+
+if s.get_value() != 42:
+    raise SystemExit('Setting value failed.')
+
+try:
+    s.set_value('not a number')
+    raise SystemExit('Using wrong argument type did not fail.')
+except TypeError:
+    pass

test cases/cython/1 basic/libdir/cstorer.pxd

@@ -0,0 +1,9 @@
+
+cdef extern from "storer.h":
+    ctypedef struct Storer:
+        pass
+
+    Storer* storer_new();
+    void storer_destroy(Storer *s);
+    int storer_get_value(Storer *s);
+    void storer_set_value(Storer *s, int v);

test cases/cython/1 basic/libdir/meson.build

@@ -0,0 +1,8 @@
+slib = py3.extension_module(
+  'storer',
+  'storer.pyx',
+  'storer.c',
+  dependencies : py3_dep
+)
+
+pydir = meson.current_build_dir()

test cases/cython/1 basic/libdir/storer.c

@@ -0,0 +1,24 @@
+#include"storer.h"
+#include<stdlib.h>
+
+struct _Storer {
+    int value;
+};
+
+Storer* storer_new() {
+    Storer *s = malloc(sizeof(struct _Storer));
+    s->value = 0;
+    return s;
+}
+
+void storer_destroy(Storer *s) {
+    free(s);
+}
+
+int storer_get_value(Storer *s) {
+    return s->value;
+}
+
+void storer_set_value(Storer *s, int v) {
+    s->value = v;
+}

test cases/cython/1 basic/libdir/storer.h

@@ -0,0 +1,8 @@
+#pragma once
+
+typedef struct _Storer Storer;
+
+Storer* storer_new();
+void storer_destroy(Storer *s);
+int storer_get_value(Storer *s);
+void storer_set_value(Storer *s, int v);

test cases/cython/1 basic/libdir/storer.pyx

@@ -0,0 +1,16 @@
+cimport cstorer
+
+cdef class Storer:
+    cdef cstorer.Storer* _c_storer
+
+    def __cinit__(self):
+        self._c_storer = cstorer.storer_new()
+
+    def __dealloc__(self):
+        cstorer.storer_destroy(self._c_storer)
+
+    cpdef int get_value(self):
+        return cstorer.storer_get_value(self._c_storer)
+
+    cpdef set_value(self, int value):
+        cstorer.storer_set_value(self._c_storer, value)

test cases/cython/1 basic/meson.build

@@ -0,0 +1,20 @@
+project(
+  'basic cython project',
+  ['cython', 'c'],
+  default_options : ['warning_level=3']
+)
+
+py_mod = import('python')
+py3 = py_mod.find_installation()
+py3_dep = py3.dependency(required : false)
+if not py3_dep.found()
+  error('MESON_SKIP_TEST: Python library not found.')
+endif
+
+subdir('libdir')
+
+test('cython tester',
+  py3,
+  args : files('cytest.py'),
+  env : ['PYTHONPATH=' + pydir]
+)