[PATCH 2/2] Better tests for error cases

[Matthieu Moy <Matthieu.Moy@imag.fr>]

Signed-off-by: Matthieu Moy <Matthieu.Moy@imag.fr>
---
Consider squashing this into PATCH 2/2

Probably not sufficient.

 t/t1308-config-set.sh | 22 ++++++++++++++++++++++
 test-config.c         |  8 ++++++--
 2 files changed, 28 insertions(+), 2 deletions(-)

diff --git a/t/t1308-config-set.sh b/t/t1308-config-set.sh
index 87a29f1..f1e9e76 100755
--- a/t/t1308-config-set.sh
+++ b/t/t1308-config-set.sh
@@ -167,4 +167,26 @@ test_expect_success 'find value_list for a key from a configset' '
 	test_cmp expect actual
 '
 
+test_expect_success 'proper error on non-existant files' '
+	echo "Error reading configuration file non-existant-file." >expect &&
+	test_must_fail test-config configset_get_value foo.bar non-existant-file 2>actual &&
+	test_cmp expect actual
+'
+
+test_expect_success 'proper error on error in default config files' '
+	cp .git/config .git/config.old &&
+	test_when_finished "mv .git/config.old .git/config" &&
+	echo "[" >> .git/config &&
+	echo "fatal: bad config file line 35 in .git/config" >expect &&
+	test_must_fail test-config get_value foo.bar 2>actual &&
+	test_cmp expect actual
+'
+
+test_expect_success 'proper error on error in custom config files' '
+	echo "[" >> syntax-error &&
+	echo "fatal: bad config file line 1 in syntax-error" >expect &&
+	test_must_fail test-config configset_get_value foo.bar syntax-error 2>actual &&
+	test_cmp expect actual
+'
+
 test_done
diff --git a/test-config.c b/test-config.c
index 07b61ef..49f8cd7 100644
--- a/test-config.c
+++ b/test-config.c
@@ -86,8 +86,10 @@ int main(int argc, char **argv)
 		}
 	} else if (!strcmp(argv[1], "configset_get_value")) {
 		for (i = 3; i < argc; i++) {
-			if (git_configset_add_file(&cs, argv[i]))
+			if (git_configset_add_file(&cs, argv[i])) {
+				fprintf(stderr, "Error reading configuration file %s.\n", argv[i]);
 				goto exit2;
+			}
 		}
 		if (!git_configset_get_value(&cs, argv[2], &v)) {
 			if (!v)
@@ -101,8 +103,10 @@ int main(int argc, char **argv)
 		}
 	} else if (!strcmp(argv[1], "configset_get_value_multi")) {
 		for (i = 3; i < argc; i++) {
-			if (git_configset_add_file(&cs, argv[i]))
+			if (git_configset_add_file(&cs, argv[i])) {
+				fprintf(stderr, "Error reading configuration file %s.\n", argv[i]);
 				goto exit2;
+			}
 		}
 		strptr = git_configset_get_value_multi(&cs, argv[2]);
 		if (strptr) {
-- 
2.0.0.262.gdafc651