GCC Code Coverage Report

Directory: ./
File: src/util/observer.test.cc
Date: 2025-09-01 06:19:01
Exec Total Coverage
Lines: 62 63 98.4%
Functions: 12 13 92.3%
Branches: 72 125 57.6%
Line Branch Exec Source
1 #include "na64util/observer.hh"
2
3 #include "na64util/observer.hh"
4
5 #include <gtest/gtest.h>
6
7 /**\file pubsub.cc
8 *
9 * Testing unit for the templated pubusb implementation
10 * */
11
12 namespace na64dp {
13 namespace test {
14
15 class MockIntObserver : public util::Observable<int>::iObserver {
16 public:
17 bool intUpdated;
18 1 MockIntObserver() : intUpdated(false) {}
19 protected:
20 1 virtual void handle_update( const int & ) override { intUpdated = true; }
21 };
22
23 class MockFloatObserver : public util::Observable<float>::iObserver {
24 public:
25 bool floatUpdated;
26 1 MockFloatObserver() : floatUpdated(false) {}
27 protected:
28 ✗ virtual void handle_update( const float & ) override { floatUpdated = true; }
29 };
30
31 class MockObserver : public util::Observable<int>::iObserver
32 , public util::Observable<float>::iObserver {
33 public:
34 bool intUpdated, floatUpdated;
35 2 MockObserver() : intUpdated(false), floatUpdated(false) {}
36 protected:
37 2 virtual void handle_update( const int & ) override { intUpdated = true; }
38 2 virtual void handle_update( const float & ) override { floatUpdated = true; }
39 };
40
41 8 TEST(Observer, basics) {
42 2 util::Observable<int> intObservable;
43 2 util::Observable<float> floatObservable;
44
45 2 MockObserver observer;
46
47
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 2 intObservable.notify_observers(0);
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 2 floatObservable.notify_observers(0);
49
50 // assure mock initialized and no notification had changes yet
51
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 2 ASSERT_FALSE( observer.intUpdated );
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 2 ASSERT_FALSE( observer.floatUpdated );
53
54 // bind observer and observables
55
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 2 intObservable.bind_observer(observer);
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 2 floatObservable.bind_observer(observer);
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 2 intObservable.notify_observers(0);
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 2 ASSERT_TRUE( observer.intUpdated );
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 2 ASSERT_FALSE( observer.floatUpdated );
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 2 floatObservable.notify_observers(0);
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 2 ASSERT_TRUE( observer.intUpdated );
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 2 ASSERT_TRUE( observer.floatUpdated );
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68 2 observer.intUpdated = observer.floatUpdated = false;
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 2 intObservable.unbind_observer(observer);
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 2 intObservable.notify_observers(0);
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 2 floatObservable.notify_observers(0);
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 2 ASSERT_FALSE( observer.intUpdated );
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 2 ASSERT_TRUE( observer.floatUpdated );
77 2 }
78
79 8 TEST(Observer, observablesSet) {
80 2 util::Observables observables;
81
82 2 util::Observables::ConcreteObservable<int> intValue;
83 2 util::Observables::ConcreteObservable<float> floatValue;
84
85 2 MockFloatObserver floatObserver;
86 2 MockIntObserver intObserver;
87 2 MockObserver observer;
88
89 // Check that we can not update non-existing observables
90
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 2 EXPECT_THROW( observables.get_observable<int>().notify_observers(0)
91 2 , error::UnknownObservableType );
92
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 2 EXPECT_THROW( observables.get_observable<float>().notify_observers(0)
93 2 , error::UnknownObservableType );
94 // Check that nothing was really updated yet
95
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 2 EXPECT_FALSE(intObserver.intUpdated);
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 2 EXPECT_FALSE(floatObserver.floatUpdated);
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 2 EXPECT_FALSE(observer.intUpdated || observer.floatUpdated);
98
99 // Add observables and emit event
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 2 observables.add_observable( intValue );
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 2 observables.get_observable<int>().notify_observers(0);
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 2 EXPECT_THROW( observables.get_observable<float>().notify_observers(0)
103 2 , error::UnknownObservableType );
104 // Check that nothing was really updated yet
105
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 2 EXPECT_FALSE(intObserver.intUpdated);
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 2 EXPECT_FALSE(floatObserver.floatUpdated);
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 2 EXPECT_FALSE(observer.intUpdated || observer.floatUpdated);
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 2 observables.add_observable( floatValue );
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 2 observables.get_observable<int>().bind_observer( intObserver );
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 2 observables.get_observable<int>().bind_observer( observer );
113 // Check that nothing was really updated yet
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 2 EXPECT_FALSE(intObserver.intUpdated);
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 2 EXPECT_FALSE(floatObserver.floatUpdated);
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 2 observables.get_observable<int>().notify_observers(0);
119
120 // Check that int observables got updating signal and float is kept intact
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 2 EXPECT_TRUE(intObserver.intUpdated);
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 2 EXPECT_FALSE(floatObserver.floatUpdated);
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 2 EXPECT_TRUE(observer.intUpdated);
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 2 EXPECT_FALSE(observer.floatUpdated);
125 2 }
126
127 }
128 }
129
130