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|
(** Test the behavior of the sqlite with a in-memory database *)
open StdLabels
open Test_migration
let result = Alcotest.(result Test_migration.csv_result reject)
let check = Alcotest.check result
let ( let* ) res cont =
match res with
| Ok value -> cont value
| Error e -> Error e
(** Test a process with a simple configuration in-memory. Only one table is
handlded *)
let run_test ~configuration ~input ~expected name =
name >:: fun () ->
(* We expect a valid configuration *)
let conf = ConfLoader.load configuration in
let exec db =
let table = List.hd @@ ImportAnalyser.Dependency.get_process_order conf in
let* () = ImportSQL.Db.create_table db table in
(* Prepare the statement in order to import data *)
let* stmt = ImportSQL.Db.prepare_insert db table in
(* Inject some data into the table *)
let result, _ =
List.fold_left ~init:(Ok (), 0) input ~f:(fun (_, i) data ->
let result =
let* () = ImportSQL.Db.insert ~id:i db stmt data in
let* () = ImportSQL.Db.reset stmt in
Ok ()
in
(result, i + 1))
in
let* () = result in
let* () = ImportSQL.Db.finalize stmt in
(* Collect the data *)
let data = ref [] in
let* () =
ImportSQL.Db.query db conf ~f:(fun rows ->
let values = Array.map ~f:snd rows in
data := values :: !data)
in
Ok (List.rev !data)
in
(* Use a magic keyword for in-memory database *)
let result = ImportSQL.Db.with_db ":memory:" exec in
check name expected result
(** Simple test used to check the process *)
let simple_extraction =
run_test "simple_extraction"
~configuration:
{|[source]
name = "source_name"
file = "source_file"
[sheet]
columns = [
":A ^ '_'",
":B",
":E"]|}
~input:
ImportCSV.DataType.
[ [ (0, Integer 123); (1, Integer 2); (4, Integer 5) ] ]
~expected:
(Ok ImportCSV.DataType.[ [| Content "123_"; Integer 2; Integer 5 |] ])
(** Ensure the behavior of the sum function when a filter is given. It is
expected to accumulate the values over each line *)
let sum_sort =
run_test "sum_sort"
~configuration:
{|[source]
name = "source_name"
file = "source_file"
[sheet]
columns = [
":A",
"sum(:C, [:B], [:A])",
]|}
~input:
ImportCSV.DataType.
[
[ (0, Integer 1); (1, Content "A"); (2, Integer 100) ];
[ (0, Integer 2); (1, Content "A"); (2, Integer 100) ];
[ (0, Integer 3); (1, Content "A"); (2, Integer 100) ];
]
~expected:
(Ok
ImportCSV.DataType.
[
[| Integer 1; Integer 100 |];
[| Integer 2; Integer 200 |];
[| Integer 3; Integer 300 |];
])
let sum_total =
run_test "sum_total"
~configuration:
{|[source]
name = "source_name"
file = "source_file"
[sheet]
columns = [
":A",
"sum(:C, [], [])",
]|}
~input:
ImportCSV.DataType.
[
[ (0, Integer 1); (2, Integer 100) ];
[ (0, Integer 2); (2, Integer 100) ];
]
~expected:
(Ok [ [| ImportCSV.DataType.Integer 1; ImportCSV.DataType.Integer 200 |] ])
(** Ensure the behavior of the sum function when no filter is given. It is
expected to get the total sum for each line *)
let sum_unfiltered =
run_test "sum_unfiltered"
~configuration:
{|[source]
name = "source_name"
file = "source_file"
[sheet]
columns = [
":A",
"sum(:C, [], [:A])",
]|}
~input:
ImportCSV.DataType.
[
[ (0, Integer 1); (2, Integer 100) ];
[ (0, Integer 2); (2, Integer 100) ];
]
~expected:
(Ok [ [| ImportCSV.DataType.Integer 1; ImportCSV.DataType.Integer 200 |] ])
let sum_group =
run_test "sum_group"
~configuration:
{|[source]
name = "source_name"
file = "source_file"
[sheet]
columns = [
":A",
"sum(:C, [:A], [])",
]|}
~input:
ImportCSV.DataType.
[
[ (0, Integer 1); (2, Integer 100) ];
[ (0, Integer 1); (2, Integer 100) ];
[ (0, Integer 2); (2, Integer 100) ];
]
~expected:
(Ok
ImportCSV.DataType.
[
[| Integer 1; Integer 200 |];
[| Integer 1; Integer 200 |];
[| Integer 2; Integer 100 |];
])
(** Adding a uniq filter on column A does not change the sum of the values *)
let sum_group_uniq =
run_test "sum_group_uniq"
~configuration:
{|[source]
name = "source_name"
file = "source_file"
[sheet]
uniq = [":A"]
columns = [
":A",
"sum(:C, [:A], [])",
]|}
~input:
ImportCSV.DataType.
[
[ (0, Integer 1); (2, Integer 100) ];
[ (0, Integer 1); (2, Integer 100) ];
[ (0, Integer 2); (2, Integer 100) ];
]
~expected:
(Ok
ImportCSV.DataType.
[ [| Integer 1; Integer 200 |]; [| Integer 2; Integer 100 |] ])
let test_suit =
[
simple_extraction;
sum_sort;
sum_total;
sum_unfiltered;
sum_group;
sum_group_uniq;
]
let tests = "sql_db" >::: test_suit
|
