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|
open StdLabels
module A = ImportAnalyser.Dependency
module Q = ImportAnalyser.Query
module Syntax = ImporterSyntax
module Expr = Expression_builder
open Test_migration
(** This is sample configuration used in the tests *)
let conf =
Syntax.
{
ConfLoader.conf with
columns =
[
Concat [ Path { alias = None; column = 1 }; Literal "_"; Empty ];
Path { alias = None; column = 2 };
Path { alias = Some "last_file"; column = 5 };
];
}
let create_table =
"Create table" >:: fun _ ->
let out = A.get_process_order conf in
let query = Q.create_table (List.hd out) in
Alcotest.check Alcotest.string ""
"CREATE TABLE 'last' (id INTEGER PRIMARY KEY,'key_last_file','col_5')" query
let select =
"Select" >:: fun _ ->
let query, _ = Q.select conf in
let expected_query =
{|SELECT COALESCE('source'.'col_1','') || ? || '' AS result_0,
'source'.'col_2' AS result_1,
'last_file'.'col_5' AS result_2
FROM 'source' AS 'source'
LEFT JOIN 'other' AS 'other' ON rtrim(upper('source'.'col_1')) = 'other'.'key_other'
LEFT JOIN 'last' AS 'last_file' ON rtrim(upper('other'.'col_1')) = 'last_file'.'key_last_file'|}
in
Alcotest.check Alcotest.string "" expected_query query.q
let check_externals =
"Check external" >:: fun _ ->
let query = Q.check_external conf (List.hd conf.externals) in
let expected_query =
"SELECT 'source'.'id', 'source'.'col_1'\n\
FROM 'source' AS 'source'\n\
LEFT JOIN 'other' AS 'other' ON rtrim(upper('source'.'col_1')) = \
'other'.'key_other' WHERE 'other'.'key_other' IS NULL AND \
'source'.'col_1' IS NOT NULL AND 'source'.'col_1' <> ''"
in
Alcotest.check Alcotest.string "" expected_query query.q
let previous =
"Test window previous" >:: fun _ ->
(* This is sample configuration used in the tests *)
let conf =
Syntax.
{
version = 1;
locale = None;
source = { file = "source.xlsx"; tab = 1; name = "previous" };
externals = [];
columns =
[
Window
( Previous (Path { alias = None; column = 5 }),
[ Path { alias = None; column = 1 } ],
[ Path { alias = None; column = 3 } ] );
];
filters = [];
sort = [];
uniq = [];
}
in
let query, _ = ImportAnalyser.Query.select conf in
let expected_query =
"SELECT LAG('previous'.'col_5') OVER (PARTITION BY 'previous'.'col_1' \
ORDER BY 'previous'.'col_3') AS result_0\n\
FROM 'source' AS 'previous'"
in
Alcotest.check Alcotest.string "" expected_query query.q
let sum =
"Test window sum" >:: fun _ ->
(* This is sample configuration used in the tests *)
let conf =
Syntax.
{
version = 1;
locale = None;
source = { file = "source.xlsx"; tab = 1; name = "previous" };
externals = [];
columns =
[
Window
( Sum (Path { alias = None; column = 5 }),
[ Path { alias = None; column = 1 } ],
[] );
];
filters = [];
sort = [];
uniq = [];
}
in
let query, _ = ImportAnalyser.Query.select conf in
let expected_query =
"SELECT SUM('previous'.'col_5') OVER (PARTITION BY 'previous'.'col_1') AS \
result_0\n\
FROM 'source' AS 'previous'"
in
Alcotest.check Alcotest.string "" expected_query query.q
let sum_total =
"Test sum over the whole range" >:: fun _ ->
(* This is sample configuration used in the tests *)
let conf =
Syntax.
{
version = 1;
locale = None;
source = { file = "source.xlsx"; tab = 1; name = "previous" };
externals = [];
columns = [ Window (Sum (Path { alias = None; column = 5 }), [], []) ];
filters = [];
sort = [];
uniq = [];
}
in
let query, _ = ImportAnalyser.Query.select conf in
let expected_query =
"SELECT SUM('previous'.'col_5') AS result_0\nFROM 'source' AS 'previous'"
in
Alcotest.check Alcotest.string "" expected_query query.q
let sum_unfiltered =
"Test sum over the whole range" >:: fun _ ->
(* This is sample configuration used in the tests *)
let conf =
Syntax.
{
version = 1;
locale = None;
source = { file = "source.xlsx"; tab = 1; name = "previous" };
externals = [];
columns =
[
Window
( Sum (Path { alias = None; column = 5 }),
[],
[ Path { alias = None; column = 1 } ] );
];
filters = [];
sort = [];
uniq = [];
}
in
let query, _ = ImportAnalyser.Query.select conf in
let expected_query =
"SELECT SUM('previous'.'col_5') OVER (ORDER BY 'previous'.'col_1') AS \
result_0\n\
FROM 'source' AS 'previous'"
in
Alcotest.check Alcotest.string "" expected_query query.q
let prepare_insert =
"Test prepare_insert" >:: fun _ ->
let key =
ImportAnalyser.Dependency.
{
name = "key_test";
expression = Concat [ Path 1; Literal "_"; Empty ];
columns = lazy (ImportContainers.IntSet.singleton 1);
}
in
let buffer = Buffer.create 16 in
let () = ImportAnalyser.Query.build_key_insert buffer key in
let contents = Buffer.contents buffer in
let expected = "rtrim(upper(COALESCE(:col_1,'') || '_' || ''))" in
Alcotest.check Alcotest.string "" expected contents
(** Test a request with a group in a filter.
This generate a CTE expression in order to evaluate the group before loading
the results from the query. *)
let filter_group =
"Test filter_group" >:: fun _ ->
let c col = Expr.path ImportDataTypes.Path.{ alias = None; column = col } in
let conf =
{
conf with
columns = [ c 1 ];
filters = [ Expr.(max (c 3) [ c 1 ] [ c 1 ]) ];
}
in
let contents, _ = ImportAnalyser.Query.select conf in
let expected =
{|WITH filter0 AS (SELECT source.id, LAST_VALUE('source'.'col_3') OVER (PARTITION BY 'source'.'col_1' ORDER BY 'source'.'col_1' RANGE BETWEEN UNBOUNDED PRECEDING AND UNBOUNDED FOLLOWING) AS group_function
FROM 'source' AS 'source'
LEFT JOIN 'other' AS 'other' ON rtrim(upper('source'.'col_1')) = 'other'.'key_other'
LEFT JOIN 'last' AS 'last_file' ON rtrim(upper('other'.'col_1')) = 'last_file'.'key_last_file')
SELECT 'source'.'col_1' AS result_0
FROM 'source' AS 'source'
LEFT JOIN 'other' AS 'other' ON rtrim(upper('source'.'col_1')) = 'other'.'key_other'
LEFT JOIN 'last' AS 'last_file' ON rtrim(upper('other'.'col_1')) = 'last_file'.'key_last_file'
INNER JOIN 'filter0' ON filter0.id = source.id
WHERE filter0.group_function|}
in
Alcotest.check Alcotest.string "" expected contents.q
(** Test a request with a group in a filter.
This generate a CTE expression in order to evaluate the group before loading
the results from the query. *)
let filter_group2 =
"Test filter_group" >:: fun _ ->
let c col = Expr.path ImportDataTypes.Path.{ alias = None; column = col } in
let conf =
{
conf with
columns = [ c 1 ];
filters =
[ Expr.(max (c 3) [ c 1 ] [ c 1 ]); Expr.equal (c 3) Expr.integer_zero ];
}
in
let contents, _ = ImportAnalyser.Query.select conf in
let expected =
{|WITH filter0 AS (SELECT source.id, LAST_VALUE('source'.'col_3') OVER (PARTITION BY 'source'.'col_1' ORDER BY 'source'.'col_1' RANGE BETWEEN UNBOUNDED PRECEDING AND UNBOUNDED FOLLOWING) AS group_function
FROM 'source' AS 'source'
LEFT JOIN 'other' AS 'other' ON rtrim(upper('source'.'col_1')) = 'other'.'key_other'
LEFT JOIN 'last' AS 'last_file' ON rtrim(upper('other'.'col_1')) = 'last_file'.'key_last_file')
SELECT 'source'.'col_1' AS result_0
FROM 'source' AS 'source'
LEFT JOIN 'other' AS 'other' ON rtrim(upper('source'.'col_1')) = 'other'.'key_other'
LEFT JOIN 'last' AS 'last_file' ON rtrim(upper('other'.'col_1')) = 'last_file'.'key_last_file'
INNER JOIN 'filter0' ON filter0.id = source.id
WHERE COALESCE('source'.'col_3',0)=0 AND filter0.group_function|}
in
Alcotest.check Alcotest.string "" expected contents.q
let test_suit =
[
create_table;
select;
check_externals;
previous;
sum;
sum_total;
sum_unfiltered;
prepare_insert;
filter_group;
filter_group2;
]
let tests = "analyser_query_test" >::: test_suit
|
