t5548: add new porcelain test cases

Add two more test cases exercising git-push(1) with `--procelain`, one
exercising a non-atomic and one exercising an atomic push.

Based-on-patch-by: Jiang Xin <[email protected]>
Signed-off-by: Patrick Steinhardt <[email protected]>
Signed-off-by: Junio C Hamano <[email protected]>

Author: pks-t

t/t5548-push-porcelain.sh

@@ -130,6 +130,40 @@ run_git_push_porcelain_output_test() {
 		;;
 	esac
 
+	# Refs of upstream : main(B)  foo(A)  bar(A)  baz(A)
+	# Refs of workbench: main(A)                  baz(A)  next(A)
+	# git-push         : main(A)  NULL    (B)     baz(A)  next(A)
+	test_expect_success ".. git-push --porcelain ($PROTOCOL)" '
+		test_when_finished "setup_upstream \"$upstream\"" &&
+		test_must_fail git -C workbench push --porcelain origin \
+			main \
+			:refs/heads/foo \
+			$B:bar \
+			baz \
+			next >out &&
+		make_user_friendly_and_stable_output <out >actual &&
+		format_and_save_expect <<-\EOF &&
+		> To <URL/of/upstream.git>
+		> =	refs/heads/baz:refs/heads/baz	[up to date]
+		>  	<COMMIT-B>:refs/heads/bar	<COMMIT-A>..<COMMIT-B>
+		> -	:refs/heads/foo	[deleted]
+		> *	refs/heads/next:refs/heads/next	[new branch]
+		> !	refs/heads/main:refs/heads/main	[rejected] (non-fast-forward)
+		> Done
+		EOF
+		test_cmp expect actual &&
+
+		git -C "$upstream" show-ref >out &&
+		make_user_friendly_and_stable_output <out >actual &&
+		cat >expect <<-EOF &&
+		<COMMIT-B> refs/heads/bar
+		<COMMIT-A> refs/heads/baz
+		<COMMIT-B> refs/heads/main
+		<COMMIT-A> refs/heads/next
+		EOF
+		test_cmp expect actual
+	'
+
 	# Refs of upstream : main(B)  foo(A)  bar(A)  baz(A)
 	# Refs of workbench: main(A)                  baz(A)  next(A)
 	# git-push         : main(A)  NULL    (B)     baz(A)  next(A)
@@ -240,6 +274,7 @@ run_git_push_porcelain_output_test() {
 	# Refs of workbench: main(A)                  baz(A)  next(A)
 	# git-push         : main(A)                          next(A)
 	test_expect_success ".. non-fastforward push ($PROTOCOL)" '
+		test_when_finished "setup_upstream \"$upstream\"" &&
 		(
 			cd workbench &&
 			test_must_fail git push --porcelain origin \
@@ -266,6 +301,39 @@ run_git_push_porcelain_output_test() {
 		EOF
 		test_cmp expect actual
 	'
+
+	# Refs of upstream : main(B)  foo(A)  bar(A)  baz(A)
+	# Refs of workbench: main(A)                  baz(A)  next(A)
+	# git-push         : main(A)  NULL    (B)     baz(A)  next(A)
+	test_expect_success ".. git push --porcelain --atomic --force ($PROTOCOL)" '
+		git -C workbench push --porcelain --atomic --force origin \
+			main \
+			:refs/heads/foo \
+			$B:bar \
+			baz \
+			next >out &&
+		make_user_friendly_and_stable_output <out >actual &&
+		format_and_save_expect <<-\EOF &&
+		> To <URL/of/upstream.git>
+		> =	refs/heads/baz:refs/heads/baz	[up to date]
+		>  	<COMMIT-B>:refs/heads/bar	<COMMIT-A>..<COMMIT-B>
+		> -	:refs/heads/foo	[deleted]
+		> +	refs/heads/main:refs/heads/main	<COMMIT-B>...<COMMIT-A> (forced update)
+		> *	refs/heads/next:refs/heads/next	[new branch]
+		> Done
+		EOF
+		test_cmp expect actual &&
+
+		git -C "$upstream" show-ref >out &&
+		make_user_friendly_and_stable_output <out >actual &&
+		cat >expect <<-EOF &&
+		<COMMIT-B> refs/heads/bar
+		<COMMIT-A> refs/heads/baz
+		<COMMIT-A> refs/heads/main
+		<COMMIT-A> refs/heads/next
+		EOF
+		test_cmp expect actual
+	'
 }
 
 setup_upstream_and_workbench upstream.git