Support numeric effecters in dbus-to-host-effecter

Adds support of the numeric effecter PDR (section `28.11 Numeric
Effecter PDR` DSP0248 V1.3.0) type in dbus-to-host-effecter handler.
This handler will be applied for all PLDM termini but not only host.
The setting for one numeric effecter of one device can be:
{
    "mctp_eid": 20,
    "effecter_info": {
        "effecterPdrType": 9,
        "effecterID": 2,
        "entityType": 32903,
        "entityInstance": 2,
        "containerID": 2,
        "compositeEffecterCount": 1,
        "checkHostState": false
    },
    "effecters": [
        {
            "dbus_info": {
                "object_path": "/xyz/openbmc_project/sensors/power/A",
                "interface": "xyz.openbmc_project.Sensor.Value",
                "property_name": "Value",
                "property_type": "double"
            },
            "effecterDataSize": 5,
            "resolution": 1,
            "offset": 0,
            "unitModifier": 0
        }
    ]
}

Where:
+ effecterPdrType to difference state/numeric effecter type. Default
is state effecter.
+ effecterID should be effecter ID and should not empty.
+ checkHostState can be set to false to bypass checking host state.
+ effecterDataSize, resolution, offset, unitModifier are from numeric
effecter PDR (section `28.11 Numeric Effecter PDR` DSP0248 V1.3.0)

Signed-off-by: Thu Nguyen <thu@os.amperecomputing.com>
Change-Id: I438d7f204643edd4066e8a6ba28d53a97503fc4b
diff --git a/host-bmc/test/dbus_to_terminus_effecter_test.cpp b/host-bmc/test/dbus_to_terminus_effecter_test.cpp
new file mode 100644
index 0000000..f8ff8d6
--- /dev/null
+++ b/host-bmc/test/dbus_to_terminus_effecter_test.cpp
@@ -0,0 +1,143 @@
+#include "common/test/mocked_utils.hpp"
+#include "common/utils.hpp"
+#include "host-bmc/dbus_to_terminus_effecters.hpp"
+
+#include <nlohmann/json.hpp>
+
+#include <gtest/gtest.h>
+
+using namespace pldm::host_effecters;
+using namespace pldm::utils;
+
+class MockHostEffecterParser : public HostEffecterParser
+{
+  public:
+    MockHostEffecterParser(int fd, const pldm_pdr* repo,
+                           DBusHandler* const dbusHandler,
+                           const std::string& jsonPath) :
+        HostEffecterParser(nullptr, fd, repo, dbusHandler, jsonPath, nullptr)
+    {}
+
+    MOCK_METHOD(int, setHostStateEffecter,
+                (size_t, std::vector<set_effecter_state_field>&, uint16_t),
+                (override));
+
+    MOCK_METHOD(void, createHostEffecterMatch,
+                (const std::string&, const std::string&, size_t, size_t,
+                 uint16_t),
+                (override));
+
+    const std::vector<EffecterInfo>& gethostEffecterInfo()
+    {
+        return hostEffecterInfo;
+    }
+};
+
+TEST(HostEffecterParser, parseEffecterJsonGoodPath)
+{
+    MockdBusHandler dbusHandler;
+    int sockfd{};
+    MockHostEffecterParser hostEffecterParserGood(sockfd, nullptr, &dbusHandler,
+                                                  "./host_effecter_jsons/good");
+    auto hostEffecterInfo = hostEffecterParserGood.gethostEffecterInfo();
+    ASSERT_EQ(hostEffecterInfo.size(), 2);
+    ASSERT_EQ(hostEffecterInfo[0].effecterPdrType, PLDM_STATE_EFFECTER_PDR);
+    ASSERT_EQ(hostEffecterInfo[0].entityInstance, 0);
+    ASSERT_EQ(hostEffecterInfo[0].entityType, 33);
+    ASSERT_EQ(hostEffecterInfo[0].dbusInfo.size(), 1);
+    ASSERT_EQ(hostEffecterInfo[0].checkHostState, true);
+    DBusEffecterMapping dbusInfo{
+        {"/xyz/openbmc_project/control/host0/boot",
+         "xyz.openbmc_project.Control.Boot.Mode", "BootMode", "string"},
+        {"xyz.openbmc_project.Control.Boot.Mode.Modes.Regular"},
+        {196, {2}}};
+    auto& temp = hostEffecterInfo[0].dbusInfo[0];
+    ASSERT_EQ(temp.dbusMap.objectPath == dbusInfo.dbusMap.objectPath, true);
+    ASSERT_EQ(temp.dbusMap.interface == dbusInfo.dbusMap.interface, true);
+    ASSERT_EQ(temp.dbusMap.propertyName == dbusInfo.dbusMap.propertyName, true);
+    ASSERT_EQ(temp.dbusMap.propertyType == dbusInfo.dbusMap.propertyType, true);
+
+    /* Check Numeric Effecter in Good Json file */
+    ASSERT_EQ(hostEffecterInfo[1].effecterPdrType, PLDM_NUMERIC_EFFECTER_PDR);
+    ASSERT_EQ(hostEffecterInfo[1].entityType, 32903);
+    ASSERT_EQ(hostEffecterInfo[1].entityInstance, 6);
+    ASSERT_EQ(hostEffecterInfo[1].containerId, 4);
+    ASSERT_EQ(hostEffecterInfo[1].dbusNumericEffecterInfo.size(), 1);
+    ASSERT_EQ(hostEffecterInfo[1].checkHostState, false);
+    DBusNumericEffecterMapping dbusInfoNumeric{
+        {"/xyz/openbmc_project/effecters/power/PLimit",
+         "xyz.openbmc_project.Effecter.Value", "Value", "double"},
+        5,
+        1,
+        0,
+        -3,
+        100};
+    auto& tempNumeric = hostEffecterInfo[1].dbusNumericEffecterInfo[0];
+    ASSERT_EQ(tempNumeric.dbusMap.objectPath ==
+                  dbusInfoNumeric.dbusMap.objectPath,
+              true);
+    ASSERT_EQ(tempNumeric.dbusMap.interface ==
+                  dbusInfoNumeric.dbusMap.interface,
+              true);
+    ASSERT_EQ(tempNumeric.dbusMap.propertyName ==
+                  dbusInfoNumeric.dbusMap.propertyName,
+              true);
+    ASSERT_EQ(tempNumeric.dbusMap.propertyType ==
+                  dbusInfoNumeric.dbusMap.propertyType,
+              true);
+    ASSERT_EQ(tempNumeric.dataSize == dbusInfoNumeric.dataSize, true);
+    ASSERT_EQ(tempNumeric.resolution == dbusInfoNumeric.resolution, true);
+    ASSERT_EQ(tempNumeric.offset == dbusInfoNumeric.offset, true);
+    ASSERT_EQ(tempNumeric.unitModifier == dbusInfoNumeric.unitModifier, true);
+}
+
+TEST(HostEffecterParser, parseEffecterJsonBadPath)
+{
+    MockdBusHandler dbusHandler;
+    int sockfd{};
+    MockHostEffecterParser hostEffecterParser(sockfd, nullptr, &dbusHandler,
+                                              "./host_effecter_jsons/no_json");
+    ASSERT_THROW(
+        hostEffecterParser.parseEffecterJson("./host_effecter_jsons/no_json"),
+        std::exception);
+    ASSERT_THROW(
+        hostEffecterParser.parseEffecterJson("./host_effecter_jsons/malformed"),
+        std::exception);
+}
+
+TEST(HostEffecterParser, findNewStateValue)
+{
+    MockdBusHandler dbusHandler;
+    int sockfd{};
+    MockHostEffecterParser hostEffecterParser(sockfd, nullptr, &dbusHandler,
+                                              "./host_effecter_jsons/good");
+
+    PropertyValue val1{std::in_place_type<std::string>,
+                       "xyz.openbmc_project.Control.Boot.Mode.Modes.Regular"};
+    PropertyValue val2{std::in_place_type<std::string>,
+                       "xyz.openbmc_project.Control.Boot.Mode.Modes.Setup"};
+    auto newState = hostEffecterParser.findNewStateValue(0, 0, val1);
+    ASSERT_EQ(newState, 2);
+
+    ASSERT_THROW(hostEffecterParser.findNewStateValue(0, 0, val2),
+                 std::exception);
+}
+
+TEST(HostEffecterParser, adjustValue)
+{
+    MockdBusHandler dbusHandler;
+    int sockfd{};
+    MockHostEffecterParser hostEffecterParser(sockfd, nullptr, &dbusHandler,
+                                              "./host_effecter_jsons/good");
+
+    auto realVal = hostEffecterParser.adjustValue(200, -50, 0.5, -2);
+    ASSERT_EQ(realVal, 12500);
+    realVal = hostEffecterParser.adjustValue(0, -50, 1, 0);
+    ASSERT_EQ(realVal, 50);
+    realVal = hostEffecterParser.adjustValue(0, 100, 1, -1);
+    ASSERT_EQ(realVal, -1000);
+    realVal = hostEffecterParser.adjustValue(2.34, 0, 1, -1);
+    ASSERT_EQ(realVal, 23);
+    realVal = hostEffecterParser.adjustValue(2.35, 0, 1, -1);
+    ASSERT_EQ(realVal, 24);
+}