Implemented new C++ logic
This commit is contained in:
Martino Ferrari
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/**
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* @file TriggerEngineGTest.cpp
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* @brief Unit tests for the StreamHub hub-side trigger FSM.
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*
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* @copyright Copyright 2015 F4E | European Joint Undertaking for ITER and
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* the Development of Fusion Energy ('Fusion for Energy').
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* Licensed under the EUPL, Version 1.1 or - as soon they will be approved
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* by the European Commission - subsequent versions of the EUPL (the "Licence")
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* You may not use this work except in compliance with the Licence.
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* You may obtain a copy of the Licence at: http://ec.europa.eu/idabc/eupl
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*
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* @warning Unless required by applicable law or agreed to in writing,
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* software distributed under the Licence is distributed on an "AS IS"
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* basis, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
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* or implied. See the Licence permissions and limitations under the Licence.
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*/
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#include "TriggerEngine.h"
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#include <gtest/gtest.h>
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using namespace StreamHub;
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using MARTe::float64;
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static TriggerConfig MakeConfig(TrigEdge edge, float64 threshold,
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float64 windowSec, float64 prePercent,
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TrigAcqMode mode = kTrigNormal) {
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TriggerConfig cfg;
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cfg.signalKey = "src:sig";
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cfg.edge = edge;
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cfg.threshold = threshold;
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cfg.windowSec = windowSec;
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cfg.prePercent = prePercent;
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cfg.mode = mode;
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return cfg;
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}
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TEST(TriggerEngineGTest, TestInitialState) {
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TriggerEngine eng;
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EXPECT_EQ(kTrigIdle, eng.GetState());
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EXPECT_FALSE(eng.GetStopped());
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float64 tt, pre, post;
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EXPECT_FALSE(eng.GetFiredWindow(tt, pre, post));
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}
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TEST(TriggerEngineGTest, TestIdleIgnoresSamples) {
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TriggerEngine eng;
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eng.SetConfig(MakeConfig(kEdgeRising, 0.5, 1.0, 20.0));
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eng.CheckSample(1.0, 0.0);
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eng.CheckSample(2.0, 1.0); /* would fire if armed */
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EXPECT_EQ(kTrigIdle, eng.GetState());
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}
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TEST(TriggerEngineGTest, TestRisingEdgeFires) {
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TriggerEngine eng;
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eng.SetConfig(MakeConfig(kEdgeRising, 0.5, 1.0, 20.0));
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eng.Arm();
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EXPECT_EQ(kTrigArmed, eng.GetState());
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eng.CheckSample(1.0, 0.0); /* primes prevValue */
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eng.CheckSample(2.0, 1.0); /* 0.0 < 0.5 <= 1.0 → fire */
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EXPECT_EQ(kTrigCollecting, eng.GetState());
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float64 tt, pre, post;
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ASSERT_TRUE(eng.GetFiredWindow(tt, pre, post));
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EXPECT_DOUBLE_EQ(2.0, tt);
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EXPECT_DOUBLE_EQ(0.2, pre); /* 1.0 s × 20 % */
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EXPECT_DOUBLE_EQ(0.8, post);
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}
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TEST(TriggerEngineGTest, TestFirstSampleNeverFires) {
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TriggerEngine eng;
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eng.SetConfig(MakeConfig(kEdgeRising, 0.5, 1.0, 20.0));
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eng.Arm();
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/* First sample above threshold must only prime the detector */
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eng.CheckSample(1.0, 2.0);
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EXPECT_EQ(kTrigArmed, eng.GetState());
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}
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TEST(TriggerEngineGTest, TestFallingEdgeFires) {
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TriggerEngine eng;
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eng.SetConfig(MakeConfig(kEdgeFalling, 0.5, 1.0, 50.0));
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eng.Arm();
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eng.CheckSample(1.0, 1.0);
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eng.CheckSample(2.0, 1.5); /* rising: must not fire */
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EXPECT_EQ(kTrigArmed, eng.GetState());
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eng.CheckSample(3.0, 0.2); /* 1.5 > 0.5 >= 0.2 → fire */
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EXPECT_EQ(kTrigCollecting, eng.GetState());
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float64 tt, pre, post;
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ASSERT_TRUE(eng.GetFiredWindow(tt, pre, post));
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EXPECT_DOUBLE_EQ(3.0, tt);
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EXPECT_DOUBLE_EQ(0.5, pre);
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EXPECT_DOUBLE_EQ(0.5, post);
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}
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TEST(TriggerEngineGTest, TestBothEdgesFire) {
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TriggerEngine eng;
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eng.SetConfig(MakeConfig(kEdgeBoth, 0.0, 1.0, 0.0));
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eng.Arm();
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eng.CheckSample(1.0, -1.0);
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eng.CheckSample(2.0, 1.0); /* rising through 0 */
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EXPECT_EQ(kTrigCollecting, eng.GetState());
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eng.Arm();
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eng.CheckSample(3.0, 1.0);
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eng.CheckSample(4.0, -1.0); /* falling through 0 */
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EXPECT_EQ(kTrigCollecting, eng.GetState());
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}
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TEST(TriggerEngineGTest, TestNoFireBelowThreshold) {
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TriggerEngine eng;
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eng.SetConfig(MakeConfig(kEdgeRising, 5.0, 1.0, 20.0));
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eng.Arm();
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eng.CheckSample(1.0, 0.0);
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eng.CheckSample(2.0, 1.0);
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eng.CheckSample(3.0, 4.9);
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EXPECT_EQ(kTrigArmed, eng.GetState());
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}
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TEST(TriggerEngineGTest, TestConfigClamping) {
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TriggerEngine eng;
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eng.SetConfig(MakeConfig(kEdgeRising, 0.0, 100.0, 150.0));
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TriggerConfig cfg = eng.GetConfig();
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EXPECT_DOUBLE_EQ(10.0, cfg.windowSec);
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EXPECT_DOUBLE_EQ(100.0, cfg.prePercent);
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eng.SetConfig(MakeConfig(kEdgeRising, 0.0, 1.0e-6, -5.0));
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cfg = eng.GetConfig();
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EXPECT_DOUBLE_EQ(1.0e-4, cfg.windowSec);
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EXPECT_DOUBLE_EQ(0.0, cfg.prePercent);
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}
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TEST(TriggerEngineGTest, TestConfigEpochIncrements) {
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TriggerEngine eng;
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MARTe::uint32 e0 = eng.GetConfigEpoch();
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eng.SetConfig(MakeConfig(kEdgeRising, 0.0, 1.0, 20.0));
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EXPECT_EQ(e0 + 1u, eng.GetConfigEpoch());
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eng.SetConfig(MakeConfig(kEdgeFalling, 1.0, 2.0, 30.0));
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EXPECT_EQ(e0 + 2u, eng.GetConfigEpoch());
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}
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TEST(TriggerEngineGTest, TestMarkTriggeredOnlyFromCollecting) {
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TriggerEngine eng;
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eng.SetConfig(MakeConfig(kEdgeRising, 0.5, 1.0, 20.0));
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/* Not collecting: no-op */
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eng.MarkTriggered();
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EXPECT_EQ(kTrigIdle, eng.GetState());
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eng.Arm();
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eng.MarkTriggered();
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EXPECT_EQ(kTrigArmed, eng.GetState());
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/* Collecting → triggered */
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eng.CheckSample(1.0, 0.0);
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eng.CheckSample(2.0, 1.0);
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ASSERT_EQ(kTrigCollecting, eng.GetState());
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eng.MarkTriggered();
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EXPECT_EQ(kTrigTriggered, eng.GetState());
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}
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TEST(TriggerEngineGTest, TestDisarmResetsEverything) {
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TriggerEngine eng;
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eng.SetConfig(MakeConfig(kEdgeRising, 0.5, 1.0, 20.0));
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eng.Arm();
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eng.SetStopped(true);
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eng.CheckSample(1.0, 0.0);
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eng.CheckSample(2.0, 1.0);
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ASSERT_EQ(kTrigCollecting, eng.GetState());
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eng.Disarm();
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EXPECT_EQ(kTrigIdle, eng.GetState());
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EXPECT_FALSE(eng.GetStopped());
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float64 tt, pre, post;
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EXPECT_FALSE(eng.GetFiredWindow(tt, pre, post));
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}
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TEST(TriggerEngineGTest, TestRearmResetsEdgeDetection) {
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TriggerEngine eng;
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eng.SetConfig(MakeConfig(kEdgeRising, 0.5, 1.0, 20.0));
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eng.Arm();
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eng.CheckSample(1.0, 0.0);
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eng.CheckSample(2.0, 1.0);
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eng.MarkTriggered();
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ASSERT_EQ(kTrigTriggered, eng.GetState());
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/* Re-arm: first sample only primes even if it crosses the threshold
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* relative to the value seen before the re-arm. */
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eng.Arm();
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EXPECT_EQ(kTrigArmed, eng.GetState());
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eng.CheckSample(3.0, 0.0);
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EXPECT_EQ(kTrigArmed, eng.GetState());
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eng.CheckSample(4.0, 1.0);
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EXPECT_EQ(kTrigCollecting, eng.GetState());
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float64 tt, pre, post;
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ASSERT_TRUE(eng.GetFiredWindow(tt, pre, post));
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EXPECT_DOUBLE_EQ(4.0, tt);
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}
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TEST(TriggerEngineGTest, TestStoppedFlag) {
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TriggerEngine eng;
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EXPECT_FALSE(eng.GetStopped());
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eng.SetStopped(true);
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EXPECT_TRUE(eng.GetStopped());
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eng.SetStopped(false);
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EXPECT_FALSE(eng.GetStopped());
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}
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TEST(TriggerEngineGTest, TestWindowLatchedAtFireTime) {
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TriggerEngine eng;
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eng.SetConfig(MakeConfig(kEdgeRising, 0.5, 1.0, 20.0));
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eng.Arm();
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eng.CheckSample(1.0, 0.0);
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eng.CheckSample(2.0, 1.0);
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ASSERT_EQ(kTrigCollecting, eng.GetState());
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/* Config edits after the fire must not change the latched window */
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eng.SetConfig(MakeConfig(kEdgeRising, 0.5, 10.0, 50.0));
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float64 tt, pre, post;
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ASSERT_TRUE(eng.GetFiredWindow(tt, pre, post));
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EXPECT_DOUBLE_EQ(0.2, pre);
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EXPECT_DOUBLE_EQ(0.8, post);
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}
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