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;; copyright (c) 2019-2021 Sean Corfield, all rights reserved
(ns next.jdbc.sql.builder-test
"Tests for the SQL string building functions in next.jdbc.sql.builder."
(:require [clojure.test :refer [deftest is testing]]
[next.jdbc.quoted :refer [mysql sql-server]]
[next.jdbc.sql.builder :as builder]))
(set! *warn-on-reflection* true)
(deftest test-by-keys
(testing ":where clause"
(is (= (builder/by-keys {:a nil :b 42 :c "s"} :where {})
["WHERE a IS NULL AND b = ? AND c = ?" 42 "s"]))
(is (= (builder/by-keys {:q/a nil :q/b 42 :q/c "s"} :where {})
["WHERE a IS NULL AND b = ? AND c = ?" 42 "s"]))
(is (= (builder/by-keys {:q/a nil :q/b 42 :q/c "s"} :where
{:name-fn builder/qualified-name
:column-fn mysql})
["WHERE `q/a` IS NULL AND `q/b` = ? AND `q/c` = ?" 42 "s"])))
(testing ":set clause"
(is (= (builder/by-keys {:a nil :b 42 :c "s"} :set {})
["SET a = ?, b = ?, c = ?" nil 42 "s"]))
(is (= (builder/by-keys {:q/a nil :q/b 42 :q/c "s"} :set {})
["SET a = ?, b = ?, c = ?" nil 42 "s"]))
(is (= (builder/by-keys {:q/a nil :q/b 42 :q/c "s"} :set
{:name-fn builder/qualified-name
:column-fn mysql})
["SET `q/a` = ?, `q/b` = ?, `q/c` = ?" nil 42 "s"]))))
(deftest test-as-cols
(is (= (builder/as-cols [:a :b :c] {})
"a, b, c"))
(is (= (builder/as-cols [[:a :aa] :b ["count(*)" :c]] {})
"a AS aa, b, count(*) AS c"))
(is (= (builder/as-cols [[:a :aa] :b ["count(*)" :c]] {:column-fn mysql})
"`a` AS `aa`, `b`, count(*) AS `c`"))
(is (= (builder/as-cols [:q/a :q/b :q/c] {})
"a, b, c"))
(is (= (builder/as-cols [[:q/a :q/aa] :q/b ["count(*)" :q/c]] {})
"a AS aa, b, count(*) AS c"))
(is (= (builder/as-cols [[:q/a :q/aa] :q/b ["count(*)" :q/c]] {:column-fn mysql})
"`a` AS `aa`, `b`, count(*) AS `c`"))
(is (= (builder/as-cols [:q/a :q/b :q/c]
{:name-fn builder/qualified-name
:column-fn mysql})
"`q/a`, `q/b`, `q/c`"))
(is (= (builder/as-cols [[:q/a :q/aa] :q/b ["count(*)" :q/c]]
{:name-fn builder/qualified-name
:column-fn mysql})
"`q/a` AS `q/aa`, `q/b`, count(*) AS `q/c`")))
(deftest test-as-keys
(is (= (builder/as-keys {:a nil :b 42 :c "s"} {})
"a, b, c"))
(is (= (builder/as-keys {:q/a nil :q/b 42 :q/c "s"} {})
"a, b, c"))
(is (= (builder/as-keys {:q/a nil :q/b 42 :q/c "s"}
{:name-fn builder/qualified-name
:column-fn sql-server})
"[q/a], [q/b], [q/c]")))
(deftest test-as-?
(is (= (builder/as-? {:a nil :b 42 :c "s"} {})
"?, ?, ?"))
(is (= (builder/as-? {:q/a nil :q/b 42 :q/c "s"} {})
"?, ?, ?"))
(is (= (builder/as-? {:q/a nil :q/b 42 :q/c "s"}
{:name-fn builder/qualified-name
:column-fn sql-server})
"?, ?, ?")))
(deftest test-for-query
(testing "by example"
(is (= (builder/for-query
:user
{:id 9}
{:table-fn sql-server :column-fn mysql :order-by [:a [:b :desc]]})
["SELECT * FROM [user] WHERE `id` = ? ORDER BY `a`, `b` DESC" 9]))
(is (= (builder/for-query :user {:id nil} {:table-fn sql-server :column-fn mysql})
["SELECT * FROM [user] WHERE `id` IS NULL"]))
(is (= (builder/for-query :user
{:id nil}
{:table-fn sql-server :column-fn mysql
:suffix "FOR UPDATE"})
["SELECT * FROM [user] WHERE `id` IS NULL FOR UPDATE"]))
(is (= (builder/for-query
:t/user
{:q/id 9}
{:table-fn sql-server :column-fn mysql :order-by [:x/a [:x/b :desc]]})
["SELECT * FROM [user] WHERE `id` = ? ORDER BY `a`, `b` DESC" 9]))
(is (= (builder/for-query :t/user {:q/id nil} {:table-fn sql-server :column-fn mysql})
["SELECT * FROM [user] WHERE `id` IS NULL"]))
(is (= (builder/for-query :t/user
{:q/id nil}
{:table-fn sql-server :column-fn mysql
:suffix "FOR UPDATE"})
["SELECT * FROM [user] WHERE `id` IS NULL FOR UPDATE"]))
(is (= (builder/for-query
:t/user
{:q/id 9}
{:table-fn sql-server :column-fn mysql :order-by [:x/a [:x/b :desc]]
:name-fn builder/qualified-name})
["SELECT * FROM [t/user] WHERE `q/id` = ? ORDER BY `x/a`, `x/b` DESC" 9]))
(is (= (builder/for-query :t/user {:q/id nil}
{:table-fn sql-server :column-fn mysql
:name-fn builder/qualified-name})
["SELECT * FROM [t/user] WHERE `q/id` IS NULL"]))
(is (= (builder/for-query :t/user
{:q/id nil}
{:table-fn sql-server :column-fn mysql
:name-fn builder/qualified-name
:suffix "FOR UPDATE"})
["SELECT * FROM [t/user] WHERE `q/id` IS NULL FOR UPDATE"])))
(testing "by where clause"
(is (= (builder/for-query
:user
["id = ? and opt is null" 9]
{:table-fn sql-server :column-fn mysql :order-by [:a [:b :desc]]})
[(str "SELECT * FROM [user] WHERE id = ? and opt is null"
" ORDER BY `a`, `b` DESC") 9])))
(testing "by :all"
(is (= (builder/for-query
:user
:all
{:table-fn sql-server :column-fn mysql :order-by [:a [:b :desc]]})
["SELECT * FROM [user] ORDER BY `a`, `b` DESC"])))
(testing "top N"
(is (= (builder/for-query
:user
{:id 9}
{:table-fn sql-server :column-fn mysql :order-by [:a [:b :desc]]
:top 42})
["SELECT TOP ? * FROM [user] WHERE `id` = ? ORDER BY `a`, `b` DESC"
42 9])))
(testing "limit"
(testing "without offset"
(is (= (builder/for-query
:user
{:id 9}
{:table-fn sql-server :column-fn mysql :order-by [:a [:b :desc]]
:limit 42})
[(str "SELECT * FROM [user] WHERE `id` = ?"
" ORDER BY `a`, `b` DESC LIMIT ?")
9 42])))
(testing "with offset"
(is (= (builder/for-query
:user
{:id 9}
{:table-fn sql-server :column-fn mysql :order-by [:a [:b :desc]]
:limit 42 :offset 13})
[(str "SELECT * FROM [user] WHERE `id` = ?"
" ORDER BY `a`, `b` DESC LIMIT ? OFFSET ?")
9 42 13]))))
(testing "offset"
(testing "without fetch"
(is (= (builder/for-query
:user
{:id 9}
{:table-fn sql-server :column-fn mysql :order-by [:a [:b :desc]]
:offset 13})
[(str "SELECT * FROM [user] WHERE `id` = ?"
" ORDER BY `a`, `b` DESC OFFSET ? ROWS")
9 13])))
(testing "with fetch"
(is (= (builder/for-query
:user
{:id 9}
{:table-fn sql-server :column-fn mysql :order-by [:a [:b :desc]]
:offset 13 :fetch 42})
[(str "SELECT * FROM [user] WHERE `id` = ?"
" ORDER BY `a`, `b` DESC OFFSET ? ROWS FETCH NEXT ? ROWS ONLY")
9 13 42])))))
(deftest test-for-delete
(testing "by example"
(is (= (builder/for-delete
:user
{:opt nil :id 9}
{:table-fn sql-server :column-fn mysql})
["DELETE FROM [user] WHERE `opt` IS NULL AND `id` = ?" 9]))
(is (= (builder/for-delete
:t/user
{:q/opt nil :q/id 9}
{:table-fn sql-server :column-fn mysql})
["DELETE FROM [user] WHERE `opt` IS NULL AND `id` = ?" 9]))
(is (= (builder/for-delete
:t/user
{:q/opt nil :q/id 9}
{:table-fn sql-server :column-fn mysql
:name-fn builder/qualified-name})
["DELETE FROM [t/user] WHERE `q/opt` IS NULL AND `q/id` = ?" 9])))
(testing "by where clause"
(is (= (builder/for-delete
:user
["id = ? and opt is null" 9]
{:table-fn sql-server :column-fn mysql})
["DELETE FROM [user] WHERE id = ? and opt is null" 9]))
(is (= (builder/for-delete
:t/user
["id = ? and opt is null" 9]
{:table-fn sql-server :column-fn mysql})
["DELETE FROM [user] WHERE id = ? and opt is null" 9]))
(is (= (builder/for-delete
:t/user
["id = ? and opt is null" 9]
{:table-fn sql-server :column-fn mysql
:name-fn builder/qualified-name})
["DELETE FROM [t/user] WHERE id = ? and opt is null" 9]))))
(deftest test-for-update
(testing "empty example (would be a SQL error)"
(is (thrown? AssertionError ; changed in #44
(builder/for-update :user
{:status 42}
{}
{:table-fn sql-server :column-fn mysql}))))
(testing "by example"
(is (= (builder/for-update :user
{:status 42}
{:id 9}
{:table-fn sql-server :column-fn mysql})
["UPDATE [user] SET `status` = ? WHERE `id` = ?" 42 9]))
(is (= (builder/for-update :t/user
{:q/status 42}
{:q/id 9}
{:table-fn sql-server :column-fn mysql})
["UPDATE [user] SET `status` = ? WHERE `id` = ?" 42 9]))
(is (= (builder/for-update :t/user
{:q/status 42}
{:q/id 9}
{:table-fn sql-server :column-fn mysql
:name-fn builder/qualified-name})
["UPDATE [t/user] SET `q/status` = ? WHERE `q/id` = ?" 42 9])))
(testing "by where clause, with nil set value"
(is (= (builder/for-update :user
{:status 42, :opt nil}
["id = ?" 9]
{:table-fn sql-server :column-fn mysql})
["UPDATE [user] SET `status` = ?, `opt` = ? WHERE id = ?" 42 nil 9]))))
(deftest test-for-inserts
(testing "single insert"
(is (= (builder/for-insert :user
{:id 9 :status 42 :opt nil}
{:table-fn sql-server :column-fn mysql})
["INSERT INTO [user] (`id`, `status`, `opt`) VALUES (?, ?, ?)" 9 42 nil]))
(is (= (builder/for-insert :t/user
{:q/id 9 :q/status 42 :q/opt nil}
{:table-fn sql-server :column-fn mysql})
["INSERT INTO [user] (`id`, `status`, `opt`) VALUES (?, ?, ?)" 9 42 nil]))
(is (= (builder/for-insert :t/user
{:q/id 9 :q/status 42 :q/opt nil}
{:table-fn sql-server :column-fn mysql
:name-fn builder/qualified-name})
["INSERT INTO [t/user] (`q/id`, `q/status`, `q/opt`) VALUES (?, ?, ?)" 9 42 nil])))
(testing "multi-row insert (normal mode)"
(is (= (builder/for-insert-multi :user
[:id :status]
[[42 "hello"]
[35 "world"]
[64 "dollars"]]
{:table-fn sql-server :column-fn mysql})
["INSERT INTO [user] (`id`, `status`) VALUES (?, ?), (?, ?), (?, ?)" 42 "hello" 35 "world" 64 "dollars"]))
(is (= (builder/for-insert-multi :t/user
[:q/id :q/status]
[[42 "hello"]
[35 "world"]
[64 "dollars"]]
{:table-fn sql-server :column-fn mysql})
["INSERT INTO [user] (`id`, `status`) VALUES (?, ?), (?, ?), (?, ?)" 42 "hello" 35 "world" 64 "dollars"]))
(is (= (builder/for-insert-multi :t/user
[:q/id :q/status]
[[42 "hello"]
[35 "world"]
[64 "dollars"]]
{:table-fn sql-server :column-fn mysql
:name-fn builder/qualified-name})
["INSERT INTO [t/user] (`q/id`, `q/status`) VALUES (?, ?), (?, ?), (?, ?)" 42 "hello" 35 "world" 64 "dollars"])))
(testing "multi-row insert (batch mode)"
(is (= (builder/for-insert-multi :user
[:id :status]
[[42 "hello"]
[35 "world"]
[64 "dollars"]]
{:table-fn sql-server :column-fn mysql :batch true})
["INSERT INTO [user] (`id`, `status`) VALUES (?, ?)" [42 "hello"] [35 "world"] [64 "dollars"]]))
(is (= (builder/for-insert-multi :t/user
[:q/id :q/status]
[[42 "hello"]
[35 "world"]
[64 "dollars"]]
{:table-fn sql-server :column-fn mysql :batch true})
["INSERT INTO [user] (`id`, `status`) VALUES (?, ?)" [42 "hello"] [35 "world"] [64 "dollars"]]))
(is (= (builder/for-insert-multi :t/user
[:q/id :q/status]
[[42 "hello"]
[35 "world"]
[64 "dollars"]]
{:table-fn sql-server :column-fn mysql :batch true
:name-fn builder/qualified-name})
["INSERT INTO [t/user] (`q/id`, `q/status`) VALUES (?, ?)" [42 "hello"] [35 "world"] [64 "dollars"]]))))
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