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Import the service-table materializer from #18198

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The Bluedroid on-demand materializer, the neutral lookup helpers' host
tests, and the USE_BLE_GATT_SERVICE_TABLE define move here, next to
their first consumer (the neutral engine's table resolution and the
service_table codegen flag). One behavior fix rides along: hitting
MAX_DESCRIPTORS_PER_CHARACTERISTIC now fails the walk like every other
inconsistency instead of truncating the table silently.
This commit is contained in:
J. Nick Koston
2026-08-09 13:23:44 -05:00
parent 5f20346d54
commit 7b4353b417
5 changed files with 312 additions and 2 deletions
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tests/components/ble_device_base/test_gatt_client_contract.cpp
+50
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@@ -78,4 +78,54 @@ TEST(BleGattClientContract, MinimalImplementerCompilesAndRoutesEvents) {
EXPECT_EQ(table.descriptor_count, 0);
}
// A radon_eye_rd200-shaped table: two services, the second holding a
// notifying characteristic with a CCCD and a bare write characteristic.
class ServiceTableLookup : public ::testing::Test {
protected:
void SetUp() override {
this->services_[0] = {ESPBTUUID::from_uint16(0x1800), 0x0001, 0x0005, 0, 1};
this->services_[1] = {ESPBTUUID::from_uint16(0x1523), 0x0010, 0x0020, 1, 2};
this->characteristics_[0] = {ESPBTUUID::from_uint16(0x2A00), 0x0003, 0x0003, 0x02, 0, 0};
this->characteristics_[1] = {ESPBTUUID::from_uint16(0x1525), 0x0012, 0x0014, 0x10, 0, 1};
this->characteristics_[2] = {ESPBTUUID::from_uint16(0x1524), 0x0016, 0x0016, 0x04, 1, 0};
this->descriptors_[0] = {ESPBTUUID::from_uint16(0x2902), 0x0013};
this->table_ = {this->services_, this->characteristics_, this->descriptors_, 2, 3, 1};
}
GattService services_[2];
GattCharacteristic characteristics_[3];
GattDescriptor descriptors_[1];
GattServiceTable table_;
};
TEST_F(ServiceTableLookup, FindsServicesAndCharacteristicsByUuid) {
const GattService *service = find_service(this->table_, ESPBTUUID::from_uint16(0x1523));
ASSERT_NE(service, nullptr);
EXPECT_EQ(service->start_handle, 0x0010);
EXPECT_EQ(find_service(this->table_, ESPBTUUID::from_uint16(0xFFFF)), nullptr);
const GattCharacteristic *characteristic =
find_characteristic(this->table_, *service, ESPBTUUID::from_uint16(0x1525));
ASSERT_NE(characteristic, nullptr);
EXPECT_EQ(characteristic->value_handle, 0x0012);
// The lookup is scoped to the service: 0x2A00 lives in the other service.
EXPECT_EQ(find_characteristic(this->table_, *service, ESPBTUUID::from_uint16(0x2A00)), nullptr);
}
TEST_F(ServiceTableLookup, FindsTheCccdAndReportsItsAbsence) {
const GattService *service = find_service(this->table_, ESPBTUUID::from_uint16(0x1523));
const GattCharacteristic *notify_char = find_characteristic(this->table_, *service, ESPBTUUID::from_uint16(0x1525));
EXPECT_EQ(find_cccd(this->table_, *notify_char), 0x0013);
const GattCharacteristic *write_char = find_characteristic(this->table_, *service, ESPBTUUID::from_uint16(0x1524));
EXPECT_EQ(find_cccd(this->table_, *write_char), 0);
}
TEST_F(ServiceTableLookup, RejectsRangesThatOverrunTheTable) {
// A corrupt index range must fail the lookup, not walk out of bounds.
GattService bad_service = {ESPBTUUID::from_uint16(0x1523), 0x0010, 0x0020, 2, 5};
EXPECT_EQ(find_characteristic(this->table_, bad_service, ESPBTUUID::from_uint16(0x1524)), nullptr);
GattCharacteristic bad_char = {ESPBTUUID::from_uint16(0x1525), 0x0012, 0x0014, 0x10, 0, 9};
EXPECT_EQ(find_cccd(this->table_, bad_char), 0);
}
} // namespace esphome::ble_device_base::testing