From d00b8e573782698ebb1dc5789a8c1f55a7008348 Mon Sep 17 00:00:00 2001
From: Hamel Husain <hamel.husain@gmail.com>
Date: Fri, 4 Oct 2024 23:07:03 -0700
Subject: [PATCH] add tests

---
 fastlite/core.py  | 13 +++++++------
 nbs/00_core.ipynb | 39 ++++++++++++++++++++++++++++++---------
 2 files changed, 37 insertions(+), 15 deletions(-)

diff --git a/fastlite/core.py b/fastlite/core.py
index 0870199..66d9e34 100644
--- a/fastlite/core.py
+++ b/fastlite/core.py
@@ -143,14 +143,15 @@ def _parse_typ(t): return t if not (_args:= get_args(t)) else first(_args, bool)
 
 # %% ../nbs/00_core.ipynb 50
 def _is_enum(o): return isinstance(o, type) and issubclass(o, Enum)
-def _enum_types(e): return {_parse_typ(t) for t in e.__annotations__.values()}
+def _enum_types(e): return {type(v.value) for v in e}
 
 def get_typ(t):
     "Get the underlying type."
+    t = _parse_typ(t) # incase Union[Enum,None]
     if _is_enum(t) and len(types:=_enum_types(t)) == 1: return first(types)
-    return _parse_typ(t)
+    return t
 
-# %% ../nbs/00_core.ipynb 56
+# %% ../nbs/00_core.ipynb 58
 @patch
 def create(
     self: Database,
@@ -182,7 +183,7 @@ def create(
     res.cls = cls
     return res
 
-# %% ../nbs/00_core.ipynb 66
+# %% ../nbs/00_core.ipynb 68
 @patch
 def import_file(self:Database, table_name, file, format=None, pk=None, alter=False):
     "Import path or handle `file` to new table `table_name`"
@@ -197,7 +198,7 @@ def import_file(self:Database, table_name, file, format=None, pk=None, alter=Fal
     if pk: tbl.transform(pk=pk)
     return tbl
 
-# %% ../nbs/00_core.ipynb 72
+# %% ../nbs/00_core.ipynb 74
 def _edge(tbl):
     return "\n".join(f"{fk.table}:{fk.column} -> {fk.other_table}:{fk.other_column};"
                      for fk in tbl.foreign_keys)
@@ -215,7 +216,7 @@ def _tnode(tbl):
   </table>"""
     return f"{tbl.name} [label=<{res}>];\n"
 
-# %% ../nbs/00_core.ipynb 73
+# %% ../nbs/00_core.ipynb 75
 def diagram(tbls, ratio=0.7, size="10", neato=False, render=True):
     layout = "\nlayout=neato;\noverlap=prism;\noverlap_scaling=0.5;""" if neato else ""
     edges  = "\n".join(map(_edge,  tbls))
diff --git a/nbs/00_core.ipynb b/nbs/00_core.ipynb
index 1320ff6..a08efb8 100644
--- a/nbs/00_core.ipynb
+++ b/nbs/00_core.ipynb
@@ -55,7 +55,7 @@
    "outputs": [],
    "source": [
     "from IPython.display import Markdown\n",
-    "from fastcore.test import test_fail"
+    "from fastcore.test import test_fail, test_eq"
    ]
   },
   {
@@ -121,7 +121,7 @@
     {
      "data": {
       "text/plain": [
-       "Album, Artist, Customer, Employee, Genre, Invoice, InvoiceLine, MediaType, Playlist, PlaylistTrack, Track"
+       "Album, Artist, Customer, Employee, Genre, Invoice, InvoiceLine, MediaType, Playlist, PlaylistTrack, Track, cat"
       ]
      },
      "execution_count": null,
@@ -797,12 +797,13 @@
    "source": [
     "#|export\n",
     "def _is_enum(o): return isinstance(o, type) and issubclass(o, Enum)\n",
-    "def _enum_types(e): return {_parse_typ(t) for t in e.__annotations__.values()}\n",
+    "def _enum_types(e): return {type(v.value) for v in e}\n",
     "\n",
     "def get_typ(t):\n",
     "    \"Get the underlying type.\"\n",
+    "    t = _parse_typ(t) # incase Union[Enum,None]\n",
     "    if _is_enum(t) and len(types:=_enum_types(t)) == 1: return first(types)\n",
-    "    return _parse_typ(t)"
+    "    return t"
    ]
   },
   {
@@ -852,6 +853,16 @@
     "If you have an `Enum` where all the fields are the same type, then `_get_typ` will return that type."
    ]
   },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "class _Test(Enum): foo='val1'; bar=2\n",
+    "class _Test2(Enum): foo='val3'; bar='val4'"
+   ]
+  },
   {
    "cell_type": "code",
    "execution_count": null,
@@ -869,9 +880,6 @@
     }
    ],
    "source": [
-    "class _Test(Enum): foo:str; bar:int\n",
-    "class _Test2(Enum): foo:str|None; bar:str\n",
-    "\n",
     "# fields are not the same type\n",
     "get_typ(_Test)"
    ]
@@ -897,6 +905,19 @@
     "get_typ(_Test2)"
    ]
   },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "#|hide\n",
+    "assert get_typ(_Test) != str\n",
+    "test_eq(get_typ(_Test2), str)\n",
+    "test_eq(get_typ(Union[_Test2, None]), str)\n",
+    "test_eq(get_typ(_Test2|None), str)"
+   ]
+  },
   {
    "cell_type": "code",
    "execution_count": null,
@@ -960,9 +981,9 @@
     }
    ],
    "source": [
-    "class Nm(Enum): fn:str|None='meow'; ln:str \n",
+    "class Nm(Enum): fn='meow'; ln='prr' \n",
     "            \n",
-    "class Cat: id: int; name:Nm; age: int|None; city: str = \"Unknown\"\n",
+    "class Cat: id: int; name:Nm|None; age: int|None; city: str = \"Unknown\"\n",
     "cats = db.create(Cat)\n",
     "Cat(1)"
    ]