ejdb2haskell is a Haskell binding to ejdb2, an embeddable JSON Database engine C library.
libejdb2
Install libejdb2 by installing ejdb2
In Arch Linux I do:
mkdir build && cd build
cmake .. -DCMAKE_BUILD_TYPE=Release -DCMAKE_INSTALL_PREFIX=/usr
sudo make installcabal buildEvery API are tested, so have a look to test folder.
putNewTest :: IO Database -> TestTree
putNewTest databaseIO = testCase "putNewTest" $ do
database <- databaseIO
id <- putNew database "plants" plant
storedPlant <- getById database "plants" id
storedPlant @?= Just plant
where
plant = Plant { name = Just "pinus"
, isTree = Just True
, year = Just 1753
, description = Just "wow 🌲"
}
getListTest' :: IO Database -> TestTree
getListTest' databaseIO = testCase "getList'" $ do
database <- databaseIO
query <- fromString "@plants/[isTree=:tree] | asc /name" $ setBool False "tree"
plants <- getList' database query
plants @?= [ Just Plant { id = Just 2
, name = Just "gentiana brentae"
, isTree = Just False
, year = Just 2008
, description = Just "violet 🌺flower"
, ratio = Nothing
}
, Just Plant { id = Just 3
, name = Just "leontopodium"
, isTree = Just False
, year = Just 1817
, description = Just "tipical alpine flower"
, ratio = Nothing
}
, Just Plant { id = Just 4
, name = Just "leucanthemum vulgare"
, isTree = Just False
, year = Just 1778
, description =
Just "very common flower in Italy 🍕"
, ratio = Just 1.618
}
]