[PATCH v2 3/3] test: Add test for partitions

[Sean Anderson]

This is technically a library function, but we use MMCs for testing, so
it is easier to do it with DM. At the moment, the only block devices in
sandbox are MMCs (AFAIK) so we just test with those.

Signed-off-by: Sean Anderson <sean.anderson at seco.com>
---

Changes in v2:
- New

 test/dm/Makefile |  1 +
 test/dm/part.c   | 76 ++++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 77 insertions(+)
 create mode 100644 test/dm/part.c

diff --git a/test/dm/Makefile b/test/dm/Makefile
index f5cc5540e8..7d017f8750 100644
--- a/test/dm/Makefile
+++ b/test/dm/Makefile
@@ -98,5 +98,6 @@ endif
 ifneq ($(CONFIG_EFI_PARTITION),)
 obj-$(CONFIG_FASTBOOT_FLASH_MMC) += fastboot.o
 endif
+obj-$(CONFIG_EFI_PARTITION) += part.o
 endif
 endif # !SPL
diff --git a/test/dm/part.c b/test/dm/part.c
new file mode 100644
index 0000000000..051e9010b6
--- /dev/null
+++ b/test/dm/part.c
@@ -0,0 +1,76 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (C) 2020 Sean Anderson <sean.anderson at seco.com>
+ */
+
+#include <common.h>
+#include <dm.h>
+#include <mmc.h>
+#include <part.h>
+#include <part_efi.h>
+#include <dm/test.h>
+#include <test/ut.h>
+
+static int dm_test_part(struct unit_test_state *uts)
+{
+	char str_disk_guid[UUID_STR_LEN + 1];
+	struct blk_desc *mmc_dev_desc;
+	struct disk_partition part_info;
+	struct disk_partition parts[2] = {
+		{
+			.start = 48, /* GPT data takes up the first 34 blocks or so */
+			.size = 1,
+			.name = "test1",
+		},
+		{
+			.start = 49,
+			.size = 1,
+			.name = "test2",
+		},
+	};
+
+	ut_asserteq(1, blk_get_device_by_str("mmc", "1", &mmc_dev_desc));
+	if (CONFIG_IS_ENABLED(RANDOM_UUID)) {
+		gen_rand_uuid_str(parts[0].uuid, UUID_STR_FORMAT_STD);
+		gen_rand_uuid_str(parts[1].uuid, UUID_STR_FORMAT_STD);
+		gen_rand_uuid_str(str_disk_guid, UUID_STR_FORMAT_STD);
+	}
+	ut_assertok(gpt_restore(mmc_dev_desc, str_disk_guid, parts,
+				ARRAY_SIZE(parts)));
+
+#define test(expected, part_str, whole) \
+	ut_asserteq(expected, \
+		    part_get_info_by_dev_and_name_or_num("mmc", part_str, \
+							 &mmc_dev_desc, \
+							 &part_info, whole))
+
+	test(-ENODEV, "", true);
+	env_set("bootdevice", "0");
+	test(0, "", true);
+	env_set("bootdevice", "1");
+	test(1, "", false);
+	test(1, "-", false);
+	env_set("bootdevice", "");
+	test(-EPROTONOSUPPORT, "0", false);
+	test(0, "0", true);
+	test(0, ":0", true);
+	test(0, ".0", true);
+	test(0, ".0:0", true);
+	test(-EINVAL, "#test1", true);
+	test(1, "1", false);
+	test(1, "1", true);
+	test(-ENOENT, "1:0", false);
+	test(0, "1:0", true);
+	test(1, "1:1", false);
+	test(2, "1:2", false);
+	test(1, "1.0", false);
+	test(0, "1.0:0", true);
+	test(1, "1.0:1", false);
+	test(2, "1.0:2", false);
+	test(-EINVAL, "1#bogus", false);
+	test(1, "1#test1", false);
+	test(2, "1#test2", false);
+
+	return 0;
+}
+DM_TEST(dm_test_part, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
-- 
2.25.1