{-# LANGUAGE OverloadedStrings #-}
module Simple (
testSimpleOnePlusOne
, testSimpleSelect
, testSimpleParams
, testSimpleTime
, testSimpleTimeFract
, testSimpleInsertId
) where
import qualified Data.Text as T
import Data.Time (UTCTime, Day)
import Common
-- Simplest SELECT
testSimpleOnePlusOne :: TestEnv -> Test
testSimpleOnePlusOne TestEnv{..} = TestCase $ do
rows <- query_ conn "SELECT 1+1" :: IO [Only Int]
assertEqual "row count" 1 (length rows)
assertEqual "value" (Only 2) (head rows)
testSimpleSelect :: TestEnv -> Test
testSimpleSelect TestEnv{..} = TestCase $ do
execute_ conn "CREATE TABLE test1 (id INTEGER PRIMARY KEY, t TEXT)"
execute_ conn "INSERT INTO test1 (t) VALUES ('test string')"
rows <- query_ conn "SELECT t FROM test1" :: IO [Only String]
assertEqual "row count" 1 (length rows)
assertEqual "string" (Only "test string") (head rows)
rows <- query_ conn "SELECT id,t FROM test1" :: IO [(Int, String)]
assertEqual "int,string" (1, "test string") (head rows)
-- Add another row
execute_ conn "INSERT INTO test1 (t) VALUES ('test string 2')"
rows <- query_ conn "SELECT id,t FROM test1" :: IO [(Int, String)]
assertEqual "row count" 2 (length rows)
assertEqual "int,string" (1, "test string") (rows !! 0)
assertEqual "int,string" (2, "test string 2") (rows !! 1)
[Only r] <- query_ conn "SELECT NULL" :: IO [Only (Maybe Int)]
assertEqual "nulls" Nothing r
[Only r] <- query_ conn "SELECT 1" :: IO [Only (Maybe Int)]
assertEqual "nulls" (Just 1) r
[Only r] <- query_ conn "SELECT 1.0" :: IO [Only Double]
assertEqual "doubles" 1.0 r
[Only r] <- query_ conn "SELECT 1.0" :: IO [Only Float]
assertEqual "floats" 1.0 r
testSimpleParams :: TestEnv -> Test
testSimpleParams TestEnv{..} = TestCase $ do
execute_ conn "CREATE TABLE testparams (id INTEGER PRIMARY KEY, t TEXT)"
execute_ conn "CREATE TABLE testparams2 (id INTEGER, t TEXT, t2 TEXT)"
[Only i] <- query conn "SELECT ?" (Only (42 :: Int)) :: IO [Only Int]
assertEqual "select int param" 42 i
execute conn "INSERT INTO testparams (t) VALUES (?)" (Only ("test string" :: String))
rows <- query conn "SELECT t FROM testparams WHERE id = ?" (Only (1 :: Int)) :: IO [Only String]
assertEqual "row count" 1 (length rows)
assertEqual "string" (Only "test string") (head rows)
execute_ conn "INSERT INTO testparams (t) VALUES ('test2')"
[Only row] <- query conn "SELECT t FROM testparams WHERE id = ?" (Only (1 :: Int)) :: IO [Only String]
assertEqual "select params" "test string" row
[Only row] <- query conn "SELECT t FROM testparams WHERE id = ?" (Only (2 :: Int)) :: IO [Only String]
assertEqual "select params" "test2" row
[Only r1, Only r2] <- query conn "SELECT t FROM testparams WHERE (id = ? OR id = ?)" (1 :: Int, 2 :: Int) :: IO [Only String]
assertEqual "select params" "test string" r1
assertEqual "select params" "test2" r2
[Only i] <- query conn "SELECT ?+?" [42 :: Int, 1 :: Int] :: IO [Only Int]
assertEqual "select int param" 43 i
[Only d] <- query conn "SELECT ?" [2.0 :: Double] :: IO [Only Double]
assertEqual "select double param" 2.0 d
[Only f] <- query conn "SELECT ?" [4.0 :: Float] :: IO [Only Float]
assertEqual "select double param" 4.0 f
testSimpleTime :: TestEnv -> Test
testSimpleTime TestEnv{..} = TestCase $ do
let timestr = "2012-08-20 20:19:58"
time = read timestr :: UTCTime
execute_ conn "CREATE TABLE time (t TIMESTAMP)"
execute conn "INSERT INTO time (t) VALUES (?)" (Only time)
[Only t] <- query_ conn "SELECT * FROM time" :: IO [Only UTCTime]
assertEqual "UTCTime conv" time t
[Only t] <- query conn "SELECT * FROM time WHERE t = ?" (Only time) :: IO [Only UTCTime]
assertEqual "UTCTime conv2" time t
-- Try inserting timestamp directly as a string
execute_ conn "CREATE TABLE time2 (t TIMESTAMP)"
execute_ conn (Query (T.concat ["INSERT INTO time2 (t) VALUES ('", T.pack timestr, "')"]))
[Only t] <- query_ conn "SELECT * FROM time2" :: IO [Only UTCTime]
assertEqual "UTCTime" time t
rows <- query conn "SELECT * FROM time2 WHERE t = ?" (Only time) :: IO [Only UTCTime]
assertEqual "should see one row result" 1 (length rows)
assertEqual "UTCTime" time t
-- Days
let daystr = "2013-08-21"
day = read daystr :: Day
[Only day'] <- query_ conn (Query (T.concat ["SELECT '", T.pack daystr, "'"]))
day @?= day'
[Only day''] <- query conn "SELECT ?" (Only day)
day @?= day''
-- database timestamp -> day conversion is treated as an error, but
-- try converting a timestamp to a date and see we get it back ok
[Only dayx] <- query_ conn "SELECT date('2013-08-21 08:00:03.256887')"
day @?= dayx
testSimpleTimeFract :: TestEnv -> Test
testSimpleTimeFract TestEnv{..} = TestCase $ do
let timestr = "2012-08-17 08:00:03.256887"
time = read timestr :: UTCTime
-- Try inserting timestamp directly as a string
execute_ conn "CREATE TABLE timefract (t TIMESTAMP)"
execute_ conn (Query (T.concat ["INSERT INTO timefract (t) VALUES ('", T.pack timestr, "')"]))
[Only t] <- query_ conn "SELECT * FROM timefract" :: IO [Only UTCTime]
assertEqual "UTCTime" time t
rows <- query conn "SELECT * FROM timefract WHERE t = ?" (Only time) :: IO [Only UTCTime]
assertEqual "should see one row result" 1 (length rows)
assertEqual "UTCTime" time t
testSimpleInsertId :: TestEnv -> Test
testSimpleInsertId TestEnv{..} = TestCase $ do
execute_ conn "CREATE TABLE test_row_id (id INTEGER PRIMARY KEY, t TEXT)"
execute conn "INSERT INTO test_row_id (t) VALUES (?)" (Only ("test string" :: String))
id1 <- lastInsertRowId conn
execute_ conn "INSERT INTO test_row_id (t) VALUES ('test2')"
id2 <- lastInsertRowId conn
1 @=? id1
2 @=? id2
rows <- query conn "SELECT t FROM test_row_id WHERE id = ?" (Only (1 :: Int)) :: IO [Only String]
1 @=? (length rows)
(Only "test string") @=? (head rows)
[Only row] <- query conn "SELECT t FROM test_row_id WHERE id = ?" (Only (2 :: Int)) :: IO [Only String]
"test2" @=? row