[RFC/PATCH 2/4] t4203: test check-mailmap command invocation

[Eric Sunshine <sunshine@sunshineco.com>]

Test the command-line interface of check-mailmap. (Actual .mailmap
functionality is already covered by existing tests.)

Signed-off-by: Eric Sunshine <sunshine@sunshineco.com>
---
 t/t4203-mailmap.sh | 50 ++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 50 insertions(+)

diff --git a/t/t4203-mailmap.sh b/t/t4203-mailmap.sh
index 842b754..8645492 100755
--- a/t/t4203-mailmap.sh
+++ b/t/t4203-mailmap.sh
@@ -13,6 +13,11 @@ fuzz_blame () {
 }
 
 test_expect_success setup '
+	cat >contacts <<-\EOF &&
+	A U Thor <author@example.com>
+	nick1 <bugs@company.xx>
+	EOF
+
 	echo one >one &&
 	git add one &&
 	test_tick &&
@@ -23,6 +28,51 @@ test_expect_success setup '
 	git commit --author "nick1 <bugs@company.xx>" -m second
 '
 
+test_expect_success 'check-mailmap no arguments' '
+	test_must_fail git check-mailmap
+'
+
+test_expect_success 'check-mailmap arguments' '
+	cat >expect <<-\EOF &&
+	A U Thor <author@example.com>
+	nick1 <bugs@company.xx>
+	EOF
+	git check-mailmap \
+		"A U Thor <author@example.com>" \
+		"nick1 <bugs@company.xx>" >actual &&
+	test_cmp expect actual
+'
+
+test_expect_success 'check-mailmap --stdin' '
+	cat >expect <<-\EOF &&
+	A U Thor <author@example.com>
+	nick1 <bugs@company.xx>
+	EOF
+	git check-mailmap --stdin <contacts >actual &&
+	test_cmp expect actual
+'
+
+test_expect_success 'check-mailmap --stdin arguments' '
+	cat >expect <<-\EOF &&
+	Internal Guy <bugs@company.xy>
+	EOF
+	cat <contacts >>expect &&
+	git check-mailmap --stdin "Internal Guy <bugs@company.xy>" \
+		<contacts >actual &&
+	test_cmp expect actual
+'
+
+test_expect_success 'check-mailmap -z' '
+	printf "A U Thor <author@example.com>\0" >expect &&
+	printf "nick1 <bugs@company.xx>\0" >>expect &&
+	git check-mailmap -z --stdin <contacts >actual &&
+	test_cmp expect actual
+'
+
+test_expect_success 'check-mailmap bogus contact' '
+	test_must_fail git check-mailmap bogus
+'
+
 cat >expect <<\EOF
 A U Thor (1):
       initial
-- 
1.8.3.2