Add some 'column mode' tests, may remove this idea

Author: wotbrew

test/com/wotbrew/cinq/group_test.clj

@@ -0,0 +1,15 @@
+(ns com.wotbrew.cinq.group-test
+  (:require [clojure.test :refer :all]
+            [com.wotbrew.cinq :as c]
+            [com.wotbrew.cinq.column]))
+
+(deftest accessible-as-coll-test
+  (is (= [1 2 3] (c/rel-first (c/q [a [1 2 3] :group []] (vec a)))))
+  (is (= [[1 3] [2]] (vec (c/q [a [1 2 3] :group [even (even? a)] :order [even :asc]] (vec a))))))
+
+(deftest type-is-column-test
+  (is (instance? com.wotbrew.cinq.column.Column (c/rel-first (c/q [a [] :group []] a)))))
+
+(deftest can-mix-aggregate-col-test
+  (is (= [[1 2 3] 6] (c/rel-first (c/q [a [1 2 3] :group []] [(vec a) (c/sum a)])))))
+