Address #134 by adding tests around bool/bit types

test/next/jdbc/test_fixtures.clj

@@ -124,6 +124,7 @@
               (.getPostgresDatabase ^EmbeddedPostgres @embedded-pg))
       (reset! test-datasource (jdbc/get-datasource db)))
     (let [fruit (if (mysql?) "fruit" "FRUIT") ; MySQL is case sensitive!
+          btest (if (mysql?) "btest" "BTEST")
           auto-inc-pk
           (cond (or (derby?) (hsqldb?))
                 (str "GENERATED ALWAYS AS IDENTITY"
@@ -146,6 +147,9 @@
         (try
           (do-commands con [(str "DROP TABLE " fruit)])
           (catch Exception _))
+        (try
+          (do-commands con [(str "DROP TABLE " btest)])
+          (catch Exception _))
         (when (postgres?)
           (try
             (do-commands con ["DROP TABLE LANG_TEST"])
@@ -166,6 +170,24 @@ CREATE TABLE " fruit " (
   COST INT DEFAULT NULL,
   GRADE REAL DEFAULT NULL
 )")])
+        (let [created (atom false)]
+          ;; MS SQL Server does not support bool/boolean:
+          (doseq [btype ["BOOL" "BOOLEAN" "BIT"]]
+            ;; Derby does not support bit:
+            (doseq [bitty ["BIT" "SMALLINT"]]
+              (try
+                (when-not @created
+                  (do-commands con [(str "
+CREATE TABLE " btest " (
+  NAME VARCHAR(32),
+  IS_IT " btype ",
+  TWIDDLE " bitty "
+)")])
+                  (reset! created true))
+                (catch Throwable _))))
+          (when-not @created
+            (println (:dbtype db) "failed btest creation")
+            #_(throw (ex-info (str (:dbtype db) " has no boolean type?") {}))))
         (when (stored-proc?)
           (let [[begin end] (if (postgres?) ["$$" "$$"] ["BEGIN" "END"])]
             (try

test/next/jdbc_test.clj

@@ -10,10 +10,11 @@
             [next.jdbc.test-fixtures
              :refer [with-test-db db ds column
                       default-options stored-proc?
-                      derby? hsqldb? jtds? mssql? mysql? postgres?]]
+                      derby? hsqldb? jtds? mssql? mysql? postgres? sqlite?]]
             [next.jdbc.prepare :as prep]
             [next.jdbc.result-set :as rs]
-            [next.jdbc.specs :as specs])
+            [next.jdbc.specs :as specs]
+            [next.jdbc.types :as types])
   (:import (java.sql ResultSet)))
 
 (set! *warn-on-reflection* true)
@@ -312,6 +313,32 @@ VALUES ('Pear', 'green', 49, 47)
         (is (= 4 (count (jdbc/execute! con ["select * from fruit"]))))
         (is (= ac (.getAutoCommit con)))))))
 
+(deftest bool-tests
+  (doseq [[n b] [["zero" 0] ["one" 1] ["false" false] ["true" true]]
+          :let [v-bit  (if (number? b) b (if b 1 0))
+                v-bool (if (number? b) (pos? b) b)]]
+    (jdbc/execute-one!
+     (ds)
+     ["insert into btest (name,is_it,twiddle) values (?,?,?)"
+      n
+      (if (postgres?)
+        (types/as-boolean b)
+        b) ; 0, 1, false, true are all acceptable
+      (cond (hsqldb?)
+            v-bool ; hsqldb requires a boolean here
+            (postgres?)
+            (types/as-other v-bit) ; really postgres??
+            :else
+            v-bit)]))
+  (let [data (jdbc/execute! (ds) ["select * from btest"]
+                            (default-options))]
+    (if (sqlite?)
+      (is (every? number?  (map (column :BTEST/IS_IT) data)))
+      (is (every? boolean? (map (column :BTEST/IS_IT) data))))
+    (if (or (sqlite?) (derby?))
+      (is (every? number?  (map (column :BTEST/TWIDDLE) data)))
+      (is (every? boolean? (map (column :BTEST/TWIDDLE) data))))))
+
 (deftest folding-test
   (jdbc/execute-one! (ds) ["delete from fruit"])
   (with-open [con (jdbc/get-connection (ds))