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72 lines
2.3 KiB
C++
72 lines
2.3 KiB
C++
#include <gtest/gtest.h>
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#include <cstdint>
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#include "esphome/components/ble_device_base/ble_hub.h"
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namespace esphome::ble_device_base::testing {
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// Pins the request_scan_mode() contract documented in ble_hub.h: a hub
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// without a mode switch refuses without changing any state, a switching hub
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// honors and applies. Minimal host hubs mirror the in-tree tracker stubs.
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namespace {
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class RefusingHub {
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public:
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static constexpr HubCapabilities get_capabilities() { return {false, false, false}; }
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bool scan_active() { return this->active_; }
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// The refusing shape every non-switching tracker provides: no state touched.
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bool request_scan_mode(bool active) { return false; }
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protected:
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bool active_{true};
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};
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class SwitchingHub : public RefusingHub {
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public:
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static constexpr HubCapabilities get_capabilities() { return {true, false, false, /* scan_mode_switch = */ true}; }
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bool request_scan_mode(bool active) {
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this->active_ = active;
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return true;
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}
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};
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// The esp32 shape: the controller supports active scanning but the hub keeps
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// the refusing stub (mode is driven through its own tracker API).
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class CapableRefusingHub : public RefusingHub {
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public:
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static constexpr HubCapabilities get_capabilities() { return {true, false, false}; }
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};
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} // namespace
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TEST(BLEHubScanModeRequest, RefusingHubChangesNothing) {
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RefusingHub hub;
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EXPECT_TRUE(hub.scan_active());
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EXPECT_FALSE(hub.request_scan_mode(false));
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// Refused, not applied-and-reported-false: the state is untouched.
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EXPECT_TRUE(hub.scan_active());
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EXPECT_FALSE(hub.request_scan_mode(true));
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EXPECT_TRUE(hub.scan_active());
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}
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TEST(BLEHubScanModeRequest, SwitchingHubHonorsAndApplies) {
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SwitchingHub hub;
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EXPECT_TRUE(hub.get_capabilities().scan_mode_switch);
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EXPECT_TRUE(hub.request_scan_mode(true));
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EXPECT_TRUE(hub.scan_active());
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EXPECT_TRUE(hub.request_scan_mode(false));
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EXPECT_FALSE(hub.scan_active());
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}
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TEST(BLEHubScanModeRequest, CapabilityAndSwitchAreIndependent) {
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CapableRefusingHub hub;
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EXPECT_TRUE(hub.get_capabilities().active_scan);
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// The esp32 shape advertises no runtime switch, and the request refuses.
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EXPECT_FALSE(hub.get_capabilities().scan_mode_switch);
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EXPECT_FALSE(hub.request_scan_mode(false));
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EXPECT_TRUE(hub.scan_active());
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}
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} // namespace esphome::ble_device_base::testing
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