[PATCH v3 7/7] test: lib/uuid: add unit tests for dynamic UUIDs

[Caleb Connolly]

Add some basic unit tests to validate that the UUID generation behaves
as expected. This matches the implementation in efi_loader for sandbox
and a Qualcomm board and should catch any regressions.

Signed-off-by: Caleb Connolly <caleb.connolly at linaro.org>
---
 test/lib/uuid.c | 88 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 88 insertions(+)

diff --git a/test/lib/uuid.c b/test/lib/uuid.c
index 0914f2c47e77..dc485189ae68 100644
--- a/test/lib/uuid.c
+++ b/test/lib/uuid.c
@@ -7,15 +7,20 @@
  * Authors:
  *   Abdellatif El Khlifi <abdellatif.elkhlifi at arm.com>
  */
 
+#include <charset.h>
 #include <uuid.h>
 #include <test/lib.h>
 #include <test/test.h>
 #include <test/ut.h>
 
 /* test UUID */
 #define TEST_SVC_UUID	"ed32d533-4209-99e6-2d72-cdd998a79cc0"
+/* Sandbox namespace UUID */
+#define SANDBOX_NAMESPACE_UUID	"09d7cf52-0720-4710-91d1-08469b7fe9c8"
+/* Qcom namespace UUID */
+#define QCOM_NAMESPACE_UUID	"2a5aa852-b856-4d97-baa9-5c5f4421551f"
 
 #define UUID_SIZE 16
 
 /* The UUID binary data (little-endian format) */
@@ -37,4 +42,87 @@ static int lib_test_uuid_to_le(struct unit_test_state *uts)
 	return 0;
 }
 
 LIB_TEST(lib_test_uuid_to_le, 0);
+
+#if CONFIG_IS_ENABLED(EFI_CAPSULE_DYNAMIC_UUIDS)
+struct dynamic_uuid_test_data {
+	const char *namespace;
+	const char *compatible;
+	const u16 *images[4];
+	const char *expected_uuids[4];
+};
+
+static int lib_test_dynamic_uuid_case(struct unit_test_state *uts,
+				      const struct dynamic_uuid_test_data *data)
+{
+	struct uuid namespace;
+	int j;
+
+	ut_assertok(uuid_str_to_bin(data->namespace, (unsigned char *)&namespace,
+				    UUID_STR_FORMAT_GUID));
+
+	for (j = 0; data->images[j]; j++) {
+		const char *expected_uuid = data->expected_uuids[j];
+		const u16 *image = data->images[j];
+		struct uuid uuid;
+		char uuid_str[37];
+
+		gen_uuid_v5(&namespace, &uuid,
+			    data->compatible, strlen(data->compatible),
+			    image, u16_strsize(image) - sizeof(uint16_t),
+			    NULL);
+		uuid_bin_to_str((unsigned char *)&uuid, uuid_str, UUID_STR_FORMAT_GUID);
+
+		ut_asserteq_str(expected_uuid, uuid_str);
+	}
+
+	return 0;
+}
+
+static int lib_test_dynamic_uuid(struct unit_test_state *uts)
+{
+	int ret, i;
+	const struct dynamic_uuid_test_data test_data[] = {
+		{
+			.compatible = "sandbox",
+			.namespace = SANDBOX_NAMESPACE_UUID,
+			.images = {
+				u"SANDBOX-UBOOT",
+				u"SANDBOX-UBOOT-ENV",
+				u"SANDBOX-FIT",
+				NULL,
+			},
+			.expected_uuids = {
+				"fd5db83c-12f3-a46b-80a9-e3007c7ff56e",
+				"935fe837-fac8-4394-c008-737d8852c60d",
+				"ffd97379-0956-fa94-c003-8bfcf5cc097b",
+				NULL,
+			}
+		},
+		{
+			.compatible = "qcom,qrb4210-rb2",
+			.namespace = QCOM_NAMESPACE_UUID,
+			.images = {
+				u"QUALCOMM-UBOOT",
+				NULL,
+			},
+			.expected_uuids = {
+				"8ee418dc-7e00-e156-80a7-274fbbc05ba8",
+				NULL,
+			}
+		},
+	};
+
+	for (i = 0; i < ARRAY_SIZE(test_data); i++) {
+		ret = lib_test_dynamic_uuid_case(uts, &test_data[i]);
+		if (ret)
+			return ret;
+	}
+
+	return 0;
+}
+
+LIB_TEST(lib_test_dynamic_uuid, 0);
+
+#endif /* CONFIG_IS_ENABLED(EFI_CAPSULE_DYNAMIC_UUIDS) */
+

-- 
2.45.0