update some comment; fix "NameError: name 'model_name' is not defined…

…"; add 2 test cases
APIJSON · TommyLemon · Oct 12, 2019 · Oct 11, 2019 · Oct 11, 2019 · Oct 11, 2019
commit dda827bcdc8731dc47dc222ae09ab8a433923682
diff --git a/tests/test.py b/tests/test.py
@@ -707,6 +707,42 @@ def test_apijson_get():
     >>> print(d)
     {'code': 400, 'msg': "'!'(not) expression need 2 items, but get '['username$', '!', 'nickname$']'"}
 
+    >>> #query array with like
+    >>> data ='''{
+    ...   "[]":{
+    ...     "@count":4,
+    ...     "@page":0,
+    ...     "user":{
+    ...             "@column":"id,username,nickname,email",
+    ...             "@order":"id-",
+    ...             "@role":"ADMIN",
+    ...             "username$":"%b%"
+    ...         }
+    ...     }
+    ... }'''
+    >>> r = handler.post('/apijson/get', data=data, pre_call=pre_call_as("admin"), middlewares=[])
+    >>> d = json_loads(r.data)
+    >>> print(d)
+    {'code': 200, 'msg': 'success', '[]': [{'user': {'username': 'userb', 'nickname': 'User B', 'email': 'userb@localhost', 'id': 3}}]}
+
+    >>> #query array with like, but gave a nonexist column
+    >>> data ='''{
+    ...   "[]":{
+    ...     "@count":4,
+    ...     "@page":0,
+    ...     "user":{
+    ...             "@column":"id,username,nickname,email",
+    ...             "@order":"id-",
+    ...             "@role":"ADMIN",
+    ...             "nonexist$":"%b%"
+    ...         }
+    ...     }
+    ... }'''
+    >>> r = handler.post('/apijson/get', data=data, pre_call=pre_call_as("admin"), middlewares=[])
+    >>> d = json_loads(r.data)
+    >>> print(d)
+    {'code': 400, 'msg': "model does not have this column: 'nonexist'"}
+
     >>> #Association query: Two tables, one to one,ref path is absolute path
     >>> data ='''{
     ...     "moment":{},

diff --git a/uliweb_apijson/apijson/views.py b/uliweb_apijson/apijson/views.py
@@ -225,26 +225,30 @@ def _expr(self,model,model_param,model_expr):
             raise UliwebError("unknown operator: '%s'"%(op))
 
     def _get_filter_condition(self,model,model_param,item,expr=False):
+        #item can be param key, or expr which expected to be a list
         if isinstance(item,list):
             if expr:
                 return self._expr(model,model_param,model_expr=item)
             else:
-                raise UliwebError("item can be array only in @expr: '%s'"%(item))
+                #current implementation won't run here, but keep for safe
+                raise UliwebError("item can be list only in @expr: '%s'"%(item))
         if not isinstance(item,string_types):
+            #current implementation won't run here, but keep for safe
             raise UliwebError("item should be array or string: '%s'"%(item))
         n = item
         if n[0]=="@":
+            #current implementation won't run here, but keep for safe
             raise UliwebError("param key should not begin with @: '%s'"%(n))
         if n[-1]=="$":
             name = n[:-1]
             if hasattr(model,name):
                 return getattr(model.c,name).like(model_param[n])
             else:
-                raise UliwebError("'%s' does not have '%s'"%(model_name,name))
+                raise UliwebError("model does not have this column: '%s'"%(name))
         elif n[-1]=="}" and n[-2]=="{":
             name = n[:-2]
             if hasattr(model,name):
-                # TODO
+                # TODO: https://github.com/APIJSON/APIJSON/blob/master/Document.md#32-%E5%8A%9F%E8%83%BD%E7%AC%A6
                 pass
             raise UliwebError("still not support '%s'"%(name))
         elif hasattr(model,n):