Add test sources to their respective modules

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diff --git a/modules/sql/src/test/clojure/clojure/contrib/test_sql.clj b/modules/sql/src/test/clojure/clojure/contrib/test_sql.clj
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+;;  Copyright (c) Stephen C. Gilardi. All rights reserved.  The use and
+;;  distribution terms for this software are covered by the Eclipse Public
+;;  License 1.0 (http://opensource.org/licenses/eclipse-1.0.php) which can
+;;  be found in the file epl-v10.html at the root of this distribution.  By
+;;  using this software in any fashion, you are agreeing to be bound by the
+;;  terms of this license.  You must not remove this notice, or any other,
+;;  from this software.
+;;
+;;  test.clj
+;;
+;;  test/example for clojure.contrib.sql
+;;
+;;  scgilardi (gmail)
+;;  Created 13 September 2008
+
+(ns clojure.contrib.test-sql
+  (:use [clojure.contrib.sql :as sql :only ()]))
+
+(def db {:classname "org.apache.derby.jdbc.EmbeddedDriver"
+         :subprotocol "derby"
+         :subname "/tmp/clojure.contrib.sql.test.db"
+         :create true})
+
+(defn create-fruit
+  "Create a table"
+  []
+  (sql/create-table
+   :fruit
+   [:name "varchar(32)" "PRIMARY KEY"]
+   [:appearance "varchar(32)"]
+   [:cost :int]
+   [:grade :real]))
+
+(defn drop-fruit
+  "Drop a table"
+  []
+  (try
+   (sql/drop-table :fruit)
+   (catch Exception _)))
+
+(defn insert-rows-fruit
+  "Insert complete rows"
+  []
+  (sql/insert-rows
+   :fruit
+   ["Apple" "red" 59 87]
+   ["Banana" "yellow" 29 92.2]
+   ["Peach" "fuzzy" 139 90.0]
+   ["Orange" "juicy" 89 88.6]))
+
+(defn insert-values-fruit
+  "Insert rows with values for only specific columns"
+  []
+  (sql/insert-values
+   :fruit
+   [:name :cost]
+   ["Mango" 722]
+   ["Feijoa" 441]))
+
+(defn insert-records-fruit
+  "Insert records, maps from keys specifying columns to values"
+  []
+  (sql/insert-records
+   :fruit
+   {:name "Pomegranate" :appearance "fresh" :cost 585}
+   {:name "Kiwifruit" :grade 93}))
+
+(defn db-write
+  "Write initial values to the database as a transaction"
+  []
+  (sql/with-connection db
+    (sql/transaction
+     (drop-fruit)
+     (create-fruit)
+     (insert-rows-fruit)
+     (insert-values-fruit)
+     (insert-records-fruit)))
+  nil)
+
+(defn db-read
+  "Read the entire fruit table"
+  []
+  (sql/with-connection db
+    (sql/with-query-results res
+      ["SELECT * FROM fruit"]
+      (doseq [rec res]
+        (println rec)))))
+
+(defn db-update-appearance-cost
+  "Update the appearance and cost of the named fruit"
+  [name appearance cost]
+  (sql/update-values
+   :fruit
+   ["name=?" name]
+   {:appearance appearance :cost cost}))
+
+(defn db-update
+  "Update two fruits as a transaction"
+  []
+  (sql/with-connection db
+    (sql/transaction
+     (db-update-appearance-cost "Banana" "bruised" 14)
+     (db-update-appearance-cost "Feijoa" "green" 400)))
+  nil)
+
+(defn db-update-or-insert
+  "Updates or inserts a fruit"
+  [record]
+  (sql/with-connection db
+    (sql/update-or-insert-values
+     :fruit
+     ["name=?" (:name record)]
+     record)))
+
+(defn db-read-all
+  "Return all the rows of the fruit table as a vector"
+  []
+  (sql/with-connection db
+    (sql/with-query-results res
+      ["SELECT * FROM fruit"]
+      (into [] res))))
+
+(defn db-grade-range
+  "Print rows describing fruit that are within a grade range"
+  [min max]
+  (sql/with-connection db
+    (sql/with-query-results res
+      [(str "SELECT name, cost, grade "
+            "FROM fruit "
+            "WHERE grade >= ? AND grade <= ?")
+       min max]
+      (doseq [rec res]
+        (println rec)))))
+
+(defn db-grade-a 
+  "Print rows describing all grade a fruit (grade between 90 and 100)"
+  []
+  (db-grade-range 90 100))
+
+(defn db-get-tables
+  "Demonstrate getting table info"
+  []
+  (sql/with-connection db
+    (into []
+          (resultset-seq
+           (-> (sql/connection)
+               (.getMetaData)
+               (.getTables nil nil nil (into-array ["TABLE" "VIEW"])))))))
+
+(defn db-exception
+  "Demonstrate rolling back a partially completed transaction on exception"
+  []
+  (sql/with-connection db
+    (sql/transaction
+     (sql/insert-values
+      :fruit
+      [:name :appearance]
+      ["Grape" "yummy"]
+      ["Pear" "bruised"])
+     ;; at this point the insert-values call is complete, but the transaction
+     ;; is not. the exception will cause it to roll back leaving the database
+     ;; untouched.
+     (throw (Exception. "sql/test exception")))))
+
+(defn db-sql-exception
+  "Demonstrate an sql exception"
+  []
+  (sql/with-connection db
+    (sql/transaction
+     (sql/insert-values
+      :fruit
+      [:name :appearance]
+      ["Grape" "yummy"]
+      ["Pear" "bruised"]
+      ["Apple" "strange" "whoops"]))))
+
+(defn db-batchupdate-exception
+  "Demonstrate a batch update exception"
+  []
+  (sql/with-connection db
+    (sql/transaction
+     (sql/do-commands
+      "DROP TABLE fruit"
+      "DROP TABLE fruit"))))
+
+(defn db-rollback
+  "Demonstrate a rollback-only trasaction"
+  []
+  (sql/with-connection db
+    (sql/transaction
+     (prn "is-rollback-only" (sql/is-rollback-only))
+     (sql/set-rollback-only)
+     (sql/insert-values
+      :fruit
+      [:name :appearance]
+      ["Grape" "yummy"]
+      ["Pear" "bruised"])
+     (prn "is-rollback-only" (sql/is-rollback-only))
+     (sql/with-query-results res
+       ["SELECT * FROM fruit"]
+       (doseq [rec res]
+         (println rec))))
+    (prn)
+    (sql/with-query-results res
+      ["SELECT * FROM fruit"]
+      (doseq [rec res]
+        (println rec)))))