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59 lines
2.3 KiB
C++
59 lines
2.3 KiB
C++
#include "esphome/components/bluetooth_connection/bluetooth_connection.h"
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#include <gtest/gtest.h>
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#include "esphome/components/api/api_pb2.h"
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namespace esphome::bluetooth_connection {
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// The three cursor behaviors: a fitting service advances and continues, an
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// overflowing batch with >1 service pops and retries it, and a single
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// oversized service is force-advanced so the stream cannot wedge.
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static void add_service(api::BluetoothGATTGetServicesResponse &resp, uint16_t characteristics) {
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resp.services.emplace_back();
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auto &svc = resp.services.back();
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svc.handle = resp.services.size();
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svc.uuid = {0x1234567890ABCDEFULL, 0xFEDCBA0987654321ULL};
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svc.characteristics.init(characteristics);
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for (uint16_t i = 0; i < characteristics; i++) {
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auto &chr = svc.characteristics.emplace_back();
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chr.handle = 100 + i;
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chr.properties = 0x12;
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chr.uuid = {0x1234567890ABCDEFULL, 0xFEDCBA0987654321ULL};
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}
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}
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TEST(CloseServiceBatch, FittingServiceAdvancesAndContinues) {
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api::BluetoothGATTGetServicesResponse resp;
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add_service(resp, 1);
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size_t current_size = 0;
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int16_t cursor = 0;
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EXPECT_EQ(close_service_batch(resp, current_size, cursor, 0, "AA:BB"), BatchClose::CONTINUE);
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EXPECT_EQ(cursor, 1);
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EXPECT_GT(current_size, 0u);
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}
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TEST(CloseServiceBatch, OverflowPopsAndRetriesWithoutAdvancing) {
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api::BluetoothGATTGetServicesResponse resp;
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add_service(resp, 1);
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add_service(resp, 1);
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size_t current_size = MAX_PACKET_SIZE - 10; // any service is bigger than 10 bytes
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int16_t cursor = 5;
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EXPECT_EQ(close_service_batch(resp, current_size, cursor, 0, "AA:BB"), BatchClose::SEND);
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EXPECT_EQ(resp.services.size(), 1u); // popped for the next batch
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EXPECT_EQ(cursor, 5); // not advanced: retried next batch
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}
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TEST(CloseServiceBatch, SingleOversizedServiceForceAdvances) {
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api::BluetoothGATTGetServicesResponse resp;
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add_service(resp, 60); // ~30 bytes per characteristic, far past the budget
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ASSERT_GT(resp.services.back().calculate_size(), MAX_PACKET_SIZE);
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size_t current_size = 0;
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int16_t cursor = 7;
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EXPECT_EQ(close_service_batch(resp, current_size, cursor, 0, "AA:BB"), BatchClose::SEND);
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EXPECT_EQ(cursor, 8); // advanced despite not fitting, so the stream moves on
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}
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} // namespace esphome::bluetooth_connection
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