1 #include "sensors/host.hpp"
2 #include "test/helpers.hpp"
3 
4 #include <chrono>
5 #include <memory>
6 #include <sdbusplus/test/sdbus_mock.hpp>
7 #include <string>
8 #include <vector>
9 
10 #include <gmock/gmock.h>
11 #include <gtest/gtest.h>
12 
13 using ::testing::IsNull;
14 using ::testing::Return;
15 using ::testing::StrEq;
16 
17 TEST(HostSensorTest, BoringConstructorTest)
18 {
19     // WARN: The host sensor is not presently meant to be created this way,
20     // TODO: Can I move the constructor into private?
21 }
22 
23 TEST(HostSensorTest, CreateHostTempSensorTest)
24 {
25     // The normal case for this sensor is to be a temperature sensor, where
26     // the value is treated as a margin sensor.
27 
28     sdbusplus::SdBusMock sdbus_mock;
29     auto bus_mock = sdbusplus::get_mocked_new(&sdbus_mock);
30     std::string name = "fleeting0";
31     int64_t timeout = 1;
32     const char* objPath = "/asdf/asdf0";
33     bool defer = false;
34     std::string interface = "xyz.openbmc_project.Sensor.Value";
35 
36     // Scale is the only property we change in the code.  Also,
37     // emit_object_added isn't called twice.
38     // Temperature is the default for type, and everything, so those aren't
39     // updated.
40     std::vector<std::string> properties = {"Scale"};
41     int i;
42 
43     // The CreateTemp updates all the properties, however, only Scale is set
44     // to non-default.
45     SetupDbusObject(&sdbus_mock, defer, objPath, interface, properties, &i);
46 
47     // This is called during object destruction.
48     EXPECT_CALL(sdbus_mock,
49                 sd_bus_emit_object_removed(IsNull(), StrEq(objPath)))
50         .WillOnce(Return(0));
51 
52     std::unique_ptr<Sensor> s =
53         HostSensor::CreateTemp(name, timeout, bus_mock, objPath, defer);
54 }
55 
56 TEST(HostSensorTest, VerifyWriteThenReadMatches)
57 {
58     // Verify that when value is updated, the information matches
59     // what we expect when read back.
60 
61     sdbusplus::SdBusMock sdbus_mock;
62     auto bus_mock = sdbusplus::get_mocked_new(&sdbus_mock);
63     std::string name = "fleeting0";
64     int64_t timeout = 1;
65     const char* objPath = "/asdf/asdf0";
66     bool defer = false;
67     std::string interface = "xyz.openbmc_project.Sensor.Value";
68 
69     // Scale is the only property we change in the code.  Also,
70     // emit_object_added isn't called twice.
71     // Temperature is the default for type, and everything, so those aren't
72     // updated.
73     std::vector<std::string> properties = {"Scale"};
74     int i;
75 
76     SetupDbusObject(&sdbus_mock, defer, objPath, interface, properties, &i);
77 
78     EXPECT_CALL(sdbus_mock,
79                 sd_bus_emit_object_removed(IsNull(), StrEq(objPath)))
80         .WillOnce(Return(0));
81 
82     std::unique_ptr<Sensor> s =
83         HostSensor::CreateTemp(name, timeout, bus_mock, objPath, defer);
84 
85     // Value is updated from dbus calls only (normally).
86     HostSensor* hs = static_cast<HostSensor*>(s.get());
87     int64_t new_value = 2;
88 
89     ReadReturn r = hs->read();
90     EXPECT_EQ(r.value, 0);
91 
92     EXPECT_CALL(sdbus_mock,
93                 sd_bus_emit_properties_changed_strv(
94                     IsNull(), StrEq(objPath), StrEq(interface), NotNull()))
95         .WillOnce(Invoke([=](sd_bus* bus, const char* path,
96                              const char* interface, char** names) {
97             EXPECT_STREQ("Value", names[0]);
98             return 0;
99         }));
100 
101     std::chrono::high_resolution_clock::time_point t1 =
102         std::chrono::high_resolution_clock::now();
103 
104     hs->value(new_value);
105     r = hs->read();
106     EXPECT_EQ(r.value, new_value * 0.001);
107 
108     auto duration =
109         std::chrono::duration_cast<std::chrono::seconds>(t1 - r.updated)
110             .count();
111 
112     // Verify it was updated within the last second.
113     EXPECT_TRUE(duration < 1);
114 }
115