Added test case for version number

pystencils/__init__.py

@@ -22,16 +22,16 @@ except ImportError:
     pass
 
 
-def _get_file_path():
+def _get_release_file():
     import os.path
     file_path = os.path.abspath(os.path.dirname(__file__))
     return os.path.join(file_path, '..', 'RELEASE-VERSION')
 
 
 try:
-    __version__ = open(_get_file_path(), 'r').read()
+    __version__ = open(_get_release_file(), 'r').read()
 except IOError:
-    __version__ = 'Please install pystencils with setup.py'
+    __version__ = 'development'
 
 __all__ = ['Field', 'FieldType', 'fields',
            'TypedSymbol',

pystencils_tests/test_version_string.py

+import pystencils as ps
+from pathlib import Path
+
+def test_version_string():
+    file_path = Path(__file__).parent
+    release_version = file_path.parent.absolute() / 'RELEASE-VERSION'
+    if release_version.exists ():
+        with open(release_version, "r") as f:
+            version = f.read()
+        assert ps.__version__ == version
+    else:
+        ps.__version__ == "development"