1 files changed, 62 insertions, 0 deletions
diff --git a/ip/test.pl b/ip/test.pl
index e69de29..f96ca63 100644
--- a/ip/test.pl
+++ b/ip/test.pl
@@ -0,0 +1,62 @@
+:- module(test, [
+    test_main/0,
+    test_main/1]).
+
+:- use_module(library(format)).
+
+test_main :-
+    findall(test(Name, Goal), test(Name, Goal), Tests),
+    run_tests(Tests, Failed),
+    show_failed(Failed),
+    halt.
+
+test_main(Tests) :-
+    run_tests(Tests, Failed),
+    show_failed(Failed),
+    halt.
+
+portray_failed_([]) --> [].
+portray_failed_([F|Fs]) -->
+    "\"", F, "\"",  "\n", portray_failed_(Fs).
+
+portray_failed([]) --> [].
+portray_failed([F|Fs]) -->
+    "\n", "Failed tests:", "\n", portray_failed_([F|Fs]).
+
+show_failed(Failed) :-
+    phrase(portray_failed(Failed), F),
+    format("~s", [F]).
+
+run_tests([], []).
+run_tests([test(Name, Goal)|Tests], Failed) :-
+    format("Running test \"~s\"~n", [Name]),
+    (   call(Goal) ->
+        Failed = Failed1
+    ;   format("Failed test \"~s\"~n", [Name]),
+        Failed = [Name|Failed1]
+    ),
+    run_tests(Tests, Failed1).
+
+run_tests_quiet([], []).
+run_tests_quiet([test(Name, Goal)|Tests], Failed) :-
+    (   call(Goal) ->
+        Failed = Failed1
+    ;   Failed = [Name|Failed1]
+    ),
+    run_tests_quiet(Tests, Failed1).
+
+assert_p(A, B) :-
+    phrase(portray_clause_(A), Portrayed),
+    phrase((B, ".\n"), Portrayed).
+
+call_residual_goals(Goal, ResidualGoals) :-
+    call_residue_vars(Goal, Vars),
+    variables_residual_goals(Vars, ResidualGoals).
+
+variables_residual_goals(Vars, Goals) :-
+    phrase(variables_residual_goals(Vars), Goals).
+
+variables_residual_goals([]) --> [].
+variables_residual_goals([Var|Vars]) -->
+    dif:attribute_goals(Var),
+    variables_residual_goals(Vars).