Merge "Add a unittest for fingerprint calculation" (023ac49d) · Commits · e / os / android_system_core

init/property_service_test.cpp

+35 −0

Original line number	Diff line number	Diff line
		@@ -23,6 +23,7 @@

		#include <android-base/properties.h>
		#include <android-base/scopeguard.h>
		#include <android-base/strings.h>
		#include <gtest/gtest.h>

		using android::base::GetProperty;
		@@ -90,5 +91,39 @@ TEST(property_service, userspace_reboot_not_supported) {
		EXPECT_FALSE(SetProperty("sys.powerctl", "reboot,userspace"));
		}

		TEST(property_service, check_fingerprint_with_legacy_build_id) {
		std::string legacy_build_id = GetProperty("ro.build.legacy.id", "");
		if (legacy_build_id.empty()) {
		GTEST_SKIP() << "Skipping test, legacy build id isn't set.";
		}

		std::string vbmeta_digest = GetProperty("ro.boot.vbmeta.digest", "");
		ASSERT_GE(vbmeta_digest.size(), 8u);
		std::string build_id = GetProperty("ro.boot.build.id", "");
		// Check that the build id is constructed with the prefix of vbmeta digest
		std::string expected_build_id = legacy_build_id + "." + vbmeta_digest.substr(0, 8);
		ASSERT_EQ(expected_build_id, build_id);
		// Check that the fingerprint is constructed with the expected format.
		std::string fingerprint = GetProperty("ro.build.fingerprint", "");
		std::vector<std::string> fingerprint_fields = {
		GetProperty("ro.product.brand", ""),
		"/",
		GetProperty("ro.product.name", ""),
		"/",
		GetProperty("ro.product.device", ""),
		":",
		GetProperty("ro.build.version.release_or_codename", ""),
		"/",
		expected_build_id,
		"/",
		GetProperty("ro.build.version.incremental", ""),
		":",
		GetProperty("ro.build.type", ""),
		"/",
		GetProperty("ro.build.tags", "")};

		ASSERT_EQ(android::base::Join(fingerprint_fields, ""), fingerprint);
		}

		} // namespace init
		} // namespace android