[Asterisk-code-review] LISTFILTER: Remove outdated ERROR message. (asterisk[14])

[George Joseph]

George Joseph has submitted this change and it was merged. ( https://gerrit.asterisk.org/4757 )

Change subject: LISTFILTER: Remove outdated ERROR message.
......................................................................


LISTFILTER: Remove outdated ERROR message.

Feeding LISTFILTER an empty variable results in an invalid ERROR message.
Earlier changes made the message useless because we can no longer tell if
the variable is empty or does not exist.  It is valid to try to remove a
value from an empty list just as it is valid to try to remove a value that
is not in a non-empty list.

* Removed the outdated ERROR message.

* Added more test cases to the LISTFILTER unit test.

Change-Id: Ided9040e6359c44a335ef54e02ef5950a1863134
---
M funcs/func_strings.c
M tests/test_substitution.c
2 files changed, 9 insertions(+), 1 deletion(-)

Approvals:
  George Joseph: Looks good to me, approved
  Anonymous Coward #1000019: Verified
  Joshua Colp: Looks good to me, but someone else must approve



diff --git a/funcs/func_strings.c b/funcs/func_strings.c
index 255e846..ccd78fe 100644
--- a/funcs/func_strings.c
+++ b/funcs/func_strings.c
@@ -619,7 +619,6 @@
 	}
 	ast_str_substitute_variables(&orig_list, 0, chan, varsubst);
 	if (!ast_str_strlen(orig_list)) {
-		ast_log(LOG_ERROR, "List variable '%s' not found\n", args.listname);
 		if (chan) {
 			ast_channel_unlock(chan);
 		}
diff --git a/tests/test_substitution.c b/tests/test_substitution.c
index c22f5e6..35900d8 100644
--- a/tests/test_substitution.c
+++ b/tests/test_substitution.c
@@ -287,7 +287,16 @@
 	TEST(test_expected_result(test, c, "A${${baz}o:-2:1}A", "A2A"));
 	TEST(test_expected_result(test, c, "A${${baz}o:-2:-1}A", "A2A"));
 	pbx_builtin_setvar_helper(c, "list1", "ab&cd&ef");
+	TEST(test_expected_result(test, c, "${LISTFILTER(list1,&,ab)}", "cd&ef"));
 	TEST(test_expected_result(test, c, "${LISTFILTER(list1,&,cd)}", "ab&ef"));
+	TEST(test_expected_result(test, c, "${LISTFILTER(list1,&,ef)}", "ab&cd"));
+	TEST(test_expected_result(test, c, "${LISTFILTER(list1,&,gh)}", "ab&cd&ef"));
+	TEST(test_expected_result(test, c, "${LISTFILTER(list1,&,c)}", "ab&cd&ef"));
+	TEST(test_expected_result(test, c, "${LISTFILTER(list1,&,d)}", "ab&cd&ef"));
+	pbx_builtin_setvar_helper(c, "list2", "ab");
+	TEST(test_expected_result(test, c, "${LISTFILTER(list2,&,ab)}", ""));
+	pbx_builtin_setvar_helper(c, "list_empty", "");
+	TEST(test_expected_result(test, c, "${LISTFILTER(list_empty,&,ab)}", ""));
 	TEST(test_expected_result(test, c, "${SHELL(printf '%d' 123)},${SHELL(printf '%d' 456)}", "123,456"));
 	TEST(test_expected_result(test, c, "${foo},${CDR(answer)},${SHELL(printf '%d' 456)}", "123,,456"));
 	TEST(test_expected_result(test, c, "${foo},${CDR(answer,u)},${SHELL(printf '%d' 456)}", "123,0.000000,456"));

-- 
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Gerrit-MessageType: merged
Gerrit-Change-Id: Ided9040e6359c44a335ef54e02ef5950a1863134
Gerrit-PatchSet: 1
Gerrit-Project: asterisk
Gerrit-Branch: 14
Gerrit-Owner: Richard Mudgett <rmudgett at digium.com>
Gerrit-Reviewer: Anonymous Coward #1000019
Gerrit-Reviewer: George Joseph <gjoseph at digium.com>
Gerrit-Reviewer: Joshua Colp <jcolp at digium.com>