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(**************************************************************************)
(* The OUnit library *)
(* *)
(* Copyright (C) 2002-2008 Maas-Maarten Zeeman. *)
(* Copyright (C) 2010 OCamlCore SARL *)
(* Copyright (C) 2013 Sylvain Le Gall *)
(* *)
(* The package OUnit is copyright by Maas-Maarten Zeeman, OCamlCore SARL *)
(* and Sylvain Le Gall. *)
(* *)
(* Permission is hereby granted, free of charge, to any person obtaining *)
(* a copy of this document and the OUnit software ("the Software"), to *)
(* deal in the Software without restriction, including without limitation *)
(* the rights to use, copy, modify, merge, publish, distribute, *)
(* sublicense, and/or sell copies of the Software, and to permit persons *)
(* to whom the Software is furnished to do so, subject to the following *)
(* conditions: *)
(* *)
(* The above copyright notice and this permission notice shall be *)
(* included in all copies or substantial portions of the Software. *)
(* *)
(* The Software is provided ``as is'', without warranty of any kind, *)
(* express or implied, including but not limited to the warranties of *)
(* merchantability, fitness for a particular purpose and noninfringement. *)
(* In no event shall Maas-Maarten Zeeman be liable for any claim, damages *)
(* or other liability, whether in an action of contract, tort or *)
(* otherwise, arising from, out of or in connection with the Software or *)
(* the use or other dealings in the software. *)
(* *)
(* See LICENSE.txt for details. *)
(**************************************************************************)
open OUnit
let test_case = TestCase (fun () -> ())
let labeled_test_case = "label" >: test_case
let suite_a = "suite_a" >: TestList [test_case]
let suite_b = "suite_b" >: TestList [labeled_test_case]
let suite_c = "suite_c" >: TestList [test_case; labeled_test_case]
let suite_d = "suite_d" >: TestList [suite_a; suite_c]
let rec string_of_paths = function
[] -> ""
| h::t -> (string_of_path h) ^ "\n" ^ (string_of_paths t)
(* Test which checks if the test case count function works correctly *)
let test_case_count _ =
let assert_equal ?msg = assert_equal ?msg ~printer:string_of_int in
assert_equal 0 (test_case_count (TestList []));
assert_equal 0 (test_case_count (TestLabel("label", TestList [])));
assert_equal 0
(test_case_count
(TestList [TestList [];
TestList [TestList []]]));
assert_equal 1 (test_case_count test_case);
assert_equal 1 (test_case_count labeled_test_case);
assert_equal 1 (test_case_count suite_a);
assert_equal 1 (test_case_count suite_b);
assert_equal 1 (test_case_count (TestList [suite_a; TestList []]));
assert_equal 1
(test_case_count
(TestList [TestList [];
TestList [suite_b]]));
assert_equal 2 (test_case_count suite_c);
assert_equal 3 (test_case_count suite_d)
(* Test which checks if the paths are correctly constructed *)
let test_case_paths _ =
(* A single testcase results in a list countaining an empty list *)
let assert_equal ?msg = assert_equal ?msg ~printer:string_of_paths in
assert_equal [[]] (test_case_paths test_case);
assert_equal [[Label "label"]]
(test_case_paths labeled_test_case);
assert_equal [[ListItem 0; Label "suite_a"]]
(test_case_paths suite_a);
assert_equal [[Label "label"; ListItem 0; Label "suite_b"]]
(test_case_paths suite_b);
assert_equal [[ListItem 0; Label "suite_c"];
[Label "label"; ListItem 1; Label "suite_c"]]
(test_case_paths suite_c);
assert_equal [[ListItem 0; Label "suite_a"; ListItem 0; Label "suite_d"];
[ListItem 0; Label "suite_c"; ListItem 1; Label "suite_d"];
[Label "label"; ListItem 1; Label "suite_c"; ListItem 1;
Label "suite_d"]]
(test_case_paths suite_d)
let test_assert_raises _ =
assert_raises
(OUnitTest.OUnit_failure
"expected: Failure(\"Boo\") but got: Failure(\"Foo\")")
(fun _ -> (assert_raises (Failure "Boo")
(fun _ -> raise (Failure "Foo"))));
assert_raises
(OUnitTest.OUnit_failure "A label\nexpected: Failure(\"Boo\") \
but got: Failure(\"Foo\")")
(fun _ -> (assert_raises ~msg:"A label" (Failure "Boo")
(fun _ -> raise (Failure "Foo"))));
assert_raises
(OUnitTest.OUnit_failure "expected exception Failure(\"Boo\"), \
but no exception was raised.")
(fun _ -> (assert_raises (Failure "Boo") (fun _ -> ())));
assert_raises
(OUnitTest.OUnit_failure "A label\nexpected exception Failure(\"Boo\"), \
but no exception was raised.")
(fun _ -> (assert_raises ~msg:"A label" (Failure "Boo") (fun _ -> ())))
(* Test the float compare, and use the cmp label *)
let test_cmp_float _ =
assert_equal ~cmp: cmp_float 0.0001 0.0001;
assert_equal ~cmp: (cmp_float ~epsilon: 0.001) 1.0001 1.00001;
assert_raises (OUnitTest.OUnit_failure "not equal")
(fun _ -> assert_equal ~cmp: cmp_float 100.0001 101.001);
assert_equal ~cmp:cmp_float infinity infinity;
assert_equal ~cmp:cmp_float neg_infinity neg_infinity;
assert_raises ~msg:"inf <> 0" (OUnitTest.OUnit_failure "not equal")
(fun _ -> assert_equal ~cmp: cmp_float infinity 0.0);
assert_raises ~msg:"inf <> -inf" (OUnitTest.OUnit_failure "not equal")
(fun _ -> assert_equal ~cmp: cmp_float infinity neg_infinity);
assert_raises ~msg:"nan <> 0" (OUnitTest.OUnit_failure "not equal")
(fun _ -> assert_equal ~cmp: cmp_float nan 0.);
assert_raises ~msg:"nan <> nan" (OUnitTest.OUnit_failure "not equal")
(fun _ -> assert_equal ~cmp: cmp_float nan nan)
let test_assert_string _ =
assert_string "";
assert_raises (OUnitTest.OUnit_failure "A string")
(fun _ -> assert_string "A string")
let test_assert_bool _ =
assert_bool "true" true;
assert_raises (OUnitTest.OUnit_failure "false")
(fun _ -> assert_bool "false" false)
let test_case_filter () =
let assert_test_case_count res tst_opt =
match tst_opt with
| Some tst ->
assert_equal res (OUnit.test_case_count tst)
| None ->
assert_failure "Unexpected empty filter result"
in
assert_equal None (test_filter [] suite_a);
assert_equal None (test_filter [] suite_b);
assert_equal None (test_filter [] suite_c);
assert_equal None (test_filter [] suite_d);
assert_test_case_count 1 (test_filter ["suite_a"] suite_a);
assert_test_case_count 1 (test_filter ["suite_a:0"] suite_a);
assert_test_case_count 1 (test_filter ["suite_b:0:label"] suite_b);
assert_test_case_count 1 (test_filter ["suite_c:0"] suite_c);
assert_test_case_count 2 (test_filter ["suite_c:0";"suite_c:1:label"]
suite_c)
let assert_equal_test_result =
assert_equal
~printer:(fun tst_results ->
String.concat "; "
(List.map
(function
| RSuccess path ->
Printf.sprintf "RSuccess %S" (string_of_path path)
| RFailure (path, str) ->
Printf.sprintf "RFailure(%S, %S)"
(string_of_path path)
str
| RError (path, str) ->
Printf.sprintf "RError(%S, %S)"
(string_of_path path)
str
| RSkip (path, str) ->
Printf.sprintf "RSkip(%S, %S)"
(string_of_path path)
str
| RTodo (path, str) ->
Printf.sprintf "RTodo(%S, %S)"
(string_of_path path)
str
)
tst_results
))
let null_logger = OUnitLogger.null_logger
let test_case_decorate () =
assert_equal_test_result
[RSuccess [Label "label"; ListItem 1; Label "suite_c"];
RSuccess [ListItem 0; Label "suite_c"]]
(perform_test ignore suite_c);
assert_equal_test_result
[RFailure([Label "label"; ListItem 1; Label "suite_c"], "fail");
RFailure([ListItem 0; Label "suite_c"], "fail")]
(perform_test ignore
(test_decorate (fun _ -> (fun () -> assert_failure "fail")) suite_c))
let test_case_skip () =
assert_equal_test_result
[RSkip ([Label "skip"], "test")]
(perform_test ignore ("skip" >:: (fun () -> skip_if true "test")))
let test_case_todo () =
assert_equal_test_result
[RTodo ([Label "todo"], "test")]
(perform_test ignore ("todo" >:: (fun () -> todo "test")))
let test_assert_command () =
assert_command Sys.executable_name ["-help"]
module EInt =
struct
type t = int
let compare = ( - )
let pp_printer = Format.pp_print_int
let pp_print_sep = OUnitDiff.pp_comma_separator
end
module DiffSetInt = OUnitDiff.SetMake(EInt)
module DiffListSimpleInt = OUnitDiff.ListSimpleMake(EInt)
let test_diff () =
let lst_exp =
[1; 2; 3; 4; 5]
in
let lst_real =
[1; 2; 5; 4]
in
assert_raises
(OUnitTest.OUnit_failure "expected: 1, 2, 3, 4, 5 but got: 1, 2, 4, 5\n\
differences: -3")
(fun () ->
DiffSetInt.assert_equal
(DiffSetInt.of_list lst_exp)
(DiffSetInt.of_list lst_real));
DiffSetInt.assert_equal
(DiffSetInt.of_list lst_exp) (DiffSetInt.of_list lst_exp);
assert_raises
(OUnitTest.OUnit_failure "expected: 1, 2, 3, 4, 5 but got: 1, 2, 5, 4\n\
differences: element number 2 differ (3 <> 5)")
(fun () ->
DiffListSimpleInt.assert_equal lst_exp lst_real);
DiffListSimpleInt.assert_equal lst_exp lst_exp
(* Construct the test suite *)
let tests =
"OUnit1" >:::
[ "test_case_count" >:: test_case_count;
"test_case_paths" >:: test_case_paths;
"test_assert_raises" >:: test_assert_raises;
"test_assert_string" >:: test_assert_string;
"test_assert_bool" >:: test_assert_bool;
"test_cmp_float" >:: test_cmp_float;
"test_case_filter" >:: test_case_filter;
"test_case_decorate" >:: test_case_decorate;
"test_case_skip" >:: test_case_skip;
"test_case_todo" >:: test_case_todo;
"test_assert_command" >:: test_assert_command;
"test_diff" >:: test_diff;
]
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