tests for enum & internals

csdl/tests/test_enum.py

@@ -0,0 +1,23 @@
+from csdl.enum import CEnum, CEnumSymbol
+
+class TestEnum(CEnum):
+    FIRST = 0
+    SPECIAL = 2, 'a special case'
+    BIG = 9001
+
+def test_enumsymbol():
+    assert isinstance(TestEnum.FIRST, int)
+    assert TestEnum.FIRST == 0
+    assert TestEnum.SPECIAL == 2
+    assert TestEnum.FIRST.name == 'FIRST'
+    assert TestEnum.SPECIAL.name == 'SPECIAL'
+    assert TestEnum.FIRST.description == 'FIRST'
+    assert TestEnum.SPECIAL.description == 'a special case'
+    assert repr(TestEnum.FIRST) == '<FIRST>'
+    assert repr(TestEnum.SPECIAL) == '<SPECIAL>'
+
+def test_cenum():
+    assert len(TestEnum.values()) == 3
+    big_hopefully = TestEnum.from_int(9001)
+    assert isinstance(big_hopefully, CEnumSymbol)
+    assert big_hopefully.name == 'BIG'

csdl/tests/test_internals.py

@@ -0,0 +1,24 @@
+from nose.tools import with_setup, raises
+
+from ..internal import _SDL, errcheck, Version, SDLError
+
+def setup_func():
+    _SDL.SDL_ClearError()
+
+@with_setup(setup_func)
+def test_errcheck_noerr():
+    # set an error to ensure that errors aren't cleared
+    _SDL.SDL_SetError("test")
+    assert errcheck(2) == 2   # positive values should pass through
+    assert errcheck(0) == 0   # as should zero
+    assert _SDL.SDL_GetError() == "test"
+
+@raises(SDLError)
+@with_setup(setup_func)
+def test_errcheck_err():
+    _SDL.SDL_SetError("err!")
+    try:
+        errcheck(-1)    # negative values should trigger the SDLError
+    except SDLError as e:
+        assert str(e) == "err!"
+        raise           # reraise error