Add __version__ to __init__.py and add pytests (#32)

Author: FancyNeuron

pyproject.toml

@@ -20,7 +20,6 @@ testpaths = [
 ]
 [tool.coverage.run]
 source = ["src"]
-omit = ["*/version.py"]
 
 [project.optional-dependencies]
 testing = [
@@ -29,6 +28,3 @@ testing = [
     "flake8",
     "mypy",
 ]
-
-#[tool.setuptools_scm]
-#version_file = "src/spellbind/version.py"

src/spellbind/__init__.py

@@ -0,0 +1,5 @@
+try:
+    from importlib.metadata import version
+    __version__ = version("spellbind")
+except Exception:
+    __version__ = "unknown"

tests/test_version.py

@@ -0,0 +1,15 @@
+import re
+
+import spellbind
+
+
+def test_version_exists():
+    assert hasattr(spellbind, '__version__')
+    assert spellbind.__version__ is not None
+
+
+def test_version_format():
+    version = spellbind.__version__
+    # Should be semver-like: 0.1.0, 0.1.0.dev1+g123abc.d20250609, etc.
+    pattern = r'^\d+\.\d+\.\d+(?:\.dev\d+\+g[a-f0-9]+(?:\.d\d{8})?)?$'
+    assert re.match(pattern, version), f"Version '{version}' doesn't match expected format"