187 lines
6 KiB
Plaintext
187 lines
6 KiB
Plaintext
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These are the tests for the query expression components apart from the
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table refs which are in a separate file.
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These are a few misc tests which don't fit anywhere else.
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> module Language.SQL.SimpleSQL.QueryExprComponents (queryExprComponentTests) where
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> import Language.SQL.SimpleSQL.TestTypes
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> import Language.SQL.SimpleSQL.Syntax
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> queryExprComponentTests :: TestItem
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> queryExprComponentTests = Group "queryExprComponentTests"
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> [duplicates
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> ,selectLists
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> ,whereClause
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> ,groupByClause
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> ,having
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> ,orderBy
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> ,limit
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> ,combos
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> ,withQueries
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> ]
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> duplicates :: TestItem
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> duplicates = Group "duplicates" $ map (uncurry TestQueryExpr)
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> [("select a from t" ,ms All)
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> ,("select all a from t" ,ms All)
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> ,("select distinct a from t", ms Distinct)
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> ]
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> where
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> ms d = makeSelect
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> {qeDuplicates = d
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> ,qeSelectList = [(Nothing,Iden "a")]
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> ,qeFrom = [TRSimple "t"]}
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> selectLists :: TestItem
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> selectLists = Group "selectLists" $ map (uncurry TestQueryExpr)
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> [("select 1",
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> makeSelect {qeSelectList = [(Nothing,NumLit "1")]})
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> ,("select a"
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> ,makeSelect {qeSelectList = [(Nothing,Iden "a")]})
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> ,("select a,b"
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> ,makeSelect {qeSelectList = [(Nothing,Iden "a")
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> ,(Nothing,Iden "b")]})
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> ,("select 1+2,3+4"
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> ,makeSelect {qeSelectList =
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> [(Nothing,BinOp (NumLit "1") "+" (NumLit "2"))
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> ,(Nothing,BinOp (NumLit "3") "+" (NumLit "4"))]})
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> ,("select a as a, /*comment*/ b as b"
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> ,makeSelect {qeSelectList = [(Just "a", Iden "a")
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> ,(Just "b", Iden "b")]})
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> ,("select a a, b b"
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> ,makeSelect {qeSelectList = [(Just "a", Iden "a")
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> ,(Just "b", Iden "b")]})
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> ]
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> whereClause :: TestItem
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> whereClause = Group "whereClause" $ map (uncurry TestQueryExpr)
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> [("select a from t where a = 5"
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> ,makeSelect {qeSelectList = [(Nothing,Iden "a")]
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> ,qeFrom = [TRSimple "t"]
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> ,qeWhere = Just $ BinOp (Iden "a") "=" (NumLit "5")})
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> ]
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> groupByClause :: TestItem
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> groupByClause = Group "groupByClause" $ map (uncurry TestQueryExpr)
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> [("select a,sum(b) from t group by a"
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> ,makeSelect {qeSelectList = [(Nothing, Iden "a")
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> ,(Nothing, App "sum" [Iden "b"])]
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> ,qeFrom = [TRSimple "t"]
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> ,qeGroupBy = [Iden "a"]
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> })
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> ,("select a,b,sum(c) from t group by a,b"
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> ,makeSelect {qeSelectList = [(Nothing, Iden "a")
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> ,(Nothing, Iden "b")
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> ,(Nothing, App "sum" [Iden "c"])]
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> ,qeFrom = [TRSimple "t"]
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> ,qeGroupBy = [Iden "a",Iden "b"]
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> })
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> ]
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> having :: TestItem
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> having = Group "having" $ map (uncurry TestQueryExpr)
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> [("select a,sum(b) from t group by a having sum(b) > 5"
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> ,makeSelect {qeSelectList = [(Nothing, Iden "a")
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> ,(Nothing, App "sum" [Iden "b"])]
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> ,qeFrom = [TRSimple "t"]
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> ,qeGroupBy = [Iden "a"]
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> ,qeHaving = Just $ BinOp (App "sum" [Iden "b"])
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> ">" (NumLit "5")
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> })
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> ]
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> orderBy :: TestItem
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> orderBy = Group "orderBy" $ map (uncurry TestQueryExpr)
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> [("select a from t order by a"
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> ,ms [(Iden "a", Asc)])
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> ,("select a from t order by a, b"
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> ,ms [(Iden "a", Asc), (Iden "b", Asc)])
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> ,("select a from t order by a asc"
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> ,ms [(Iden "a", Asc)])
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> ,("select a from t order by a desc, b desc"
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> ,ms [(Iden "a", Desc), (Iden "b", Desc)])
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> ]
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> where
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> ms o = makeSelect {qeSelectList = [(Nothing,Iden "a")]
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> ,qeFrom = [TRSimple "t"]
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> ,qeOrderBy = o}
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> limit :: TestItem
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> limit = Group "limit" $ map (uncurry TestQueryExpr)
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> [("select a from t limit 10"
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> ,ms (Just $ NumLit "10") Nothing)
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> ,("select a from t limit 10 offset 10"
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> ,ms (Just $ NumLit "10") (Just $ NumLit "10"))
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> ]
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> where
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> ms l o = makeSelect
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> {qeSelectList = [(Nothing,Iden "a")]
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> ,qeFrom = [TRSimple "t"]
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> ,qeLimit = l
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> ,qeOffset = o}
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> combos :: TestItem
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> combos = Group "combos" $ map (uncurry TestQueryExpr)
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> [("select a from t union select b from u"
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> ,CombineQueryExpr ms1 Union All Respectively ms2)
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> ,("select a from t intersect select b from u"
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> ,CombineQueryExpr ms1 Intersect All Respectively ms2)
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> ,("select a from t except all select b from u"
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> ,CombineQueryExpr ms1 Except All Respectively ms2)
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> ,("select a from t union distinct corresponding \
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> \select b from u"
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> ,CombineQueryExpr ms1 Union Distinct Corresponding ms2)
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> ,("select a from t union select a from t union select a from t"
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> -- TODO: union should be left associative. I think the others also
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> -- so this needs to be fixed (new optionSuffix variation which
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> -- handles this)
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> ,CombineQueryExpr ms1 Union All Respectively
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> (CombineQueryExpr ms1 Union All Respectively ms1))
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> ]
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> where
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> ms1 = makeSelect
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> {qeSelectList = [(Nothing,Iden "a")]
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> ,qeFrom = [TRSimple "t"]}
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> ms2 = makeSelect
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> {qeSelectList = [(Nothing,Iden "b")]
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> ,qeFrom = [TRSimple "u"]}
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> withQueries :: TestItem
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> withQueries = Group "with queries" $ map (uncurry TestQueryExpr)
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> [("with u as (select a from t) select a from u"
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> ,With [("u", ms1)] ms2)
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> ,("with x as (select a from t),\n\
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> \ u as (select a from x)\n\
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> \select a from u"
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> ,With [("x", ms1), ("u",ms3)] ms2)
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> ]
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> where
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> ms c t = makeSelect
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> {qeSelectList = [(Nothing,Iden c)]
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> ,qeFrom = [TRSimple t]}
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> ms1 = ms "a" "t"
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> ms2 = ms "a" "u"
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> ms3 = ms "a" "x"
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