Save persistent triggers to storage

Create json storage file for persistent triggers.
Handle persistent dbus property.
Save/remove persistent triggers on add/delete.
Cover code with UTs.

Tested:
   - Passed unit tests
   - Tested on QEMU
     * adding new valid and invalid trigger from cli
     * verifying if valid trigger is properly stored
     * deleting existed trigger from storage

Change-Id: I243326e84833a8cb22075fbf565573b62b205b4a
Signed-off-by: Cezary Zwolak <cezary.zwolak@intel.com>
Signed-off-by: Lukasz Kazmierczak <lukasz.kazmierczak@intel.com>
diff --git a/tests/src/mocks/trigger_factory_mock.hpp b/tests/src/mocks/trigger_factory_mock.hpp
index cf1be55..8249799 100644
--- a/tests/src/mocks/trigger_factory_mock.hpp
+++ b/tests/src/mocks/trigger_factory_mock.hpp
@@ -13,7 +13,7 @@
     {
         using namespace testing;
 
-        ON_CALL(*this, make(_, _, _, _, _, _, _, _, _, _))
+        ON_CALL(*this, make(_, _, _, _, _, _, _, _, _, _, _))
             .WillByDefault(WithArgs<1>(Invoke([](const std::string& name) {
                 return std::make_unique<NiceMock<TriggerMock>>(name);
             })));
@@ -27,12 +27,14 @@
              std::pair<sdbusplus::message::object_path, std::string>>& sensors),
          const std::vector<std::string>& reportNames,
          const TriggerThresholdParams& thresholdParams,
-         interfaces::TriggerManager& triggerManager),
+         interfaces::TriggerManager& triggerManager,
+         interfaces::JsonStorage& triggerStorage),
         (const, override));
 
     auto& expectMake(
         std::optional<std::reference_wrapper<const TriggerParams>> paramsOpt,
-        const testing::Matcher<interfaces::TriggerManager&>& tm)
+        const testing::Matcher<interfaces::TriggerManager&>& tm,
+        const testing::Matcher<interfaces::JsonStorage&>& triggerStorage)
     {
         using namespace testing;
 
@@ -40,15 +42,16 @@
         {
             const TriggerParams& params = *paramsOpt;
             return EXPECT_CALL(
-                *this,
-                make(_, params.name(), params.isDiscrete(),
-                     params.logToJournal(), params.logToRedfish(),
-                     params.updateReport(), params.sensors(),
-                     params.reportNames(), params.thresholdParams(), tm));
+                *this, make(_, params.name(), params.isDiscrete(),
+                            params.logToJournal(), params.logToRedfish(),
+                            params.updateReport(), params.sensors(),
+                            params.reportNames(), params.thresholdParams(), tm,
+                            triggerStorage));
         }
         else
         {
-            return EXPECT_CALL(*this, make(_, _, _, _, _, _, _, _, _, tm));
+            return EXPECT_CALL(
+                *this, make(_, _, _, _, _, _, _, _, _, tm, triggerStorage));
         }
     }
 };
diff --git a/tests/src/params/trigger_params.hpp b/tests/src/params/trigger_params.hpp
index 95b19d2..08bed4b 100644
--- a/tests/src/params/trigger_params.hpp
+++ b/tests/src/params/trigger_params.hpp
@@ -42,13 +42,18 @@
         return logToRedfishProperty;
     }
 
+    TriggerParams& updateReport(bool updateReport)
+    {
+        updateReportProperty = updateReport;
+        return *this;
+    }
+
     bool updateReport() const
     {
         return updateReportProperty;
     }
 
-    const std::vector<std::pair<sdbusplus::message::object_path, std::string>>&
-        sensors() const
+    const TriggerSensors& sensors() const
     {
         return sensorsProperty;
     }
@@ -74,12 +79,11 @@
     bool discreteProperty = false;
     bool logToJournalProperty = false;
     bool logToRedfishProperty = false;
-    bool updateReportProperty = false;
-    std::vector<std::pair<sdbusplus::message::object_path, std::string>>
-        sensorsProperty = {
-            {sdbusplus::message::object_path(
-                 "/xyz/openbmc_project/sensors/temperature/BMC_Temp"),
-             ""}};
+    bool updateReportProperty = true;
+    TriggerSensors sensorsProperty = {
+        {sdbusplus::message::object_path(
+             "/xyz/openbmc_project/sensors/temperature/BMC_Temp"),
+         ""}};
     std::vector<std::string> reportNamesProperty = {"Report1"};
     TriggerThresholdParams thresholdsProperty =
         std::vector<numeric::ThresholdParam>{
diff --git a/tests/src/test_trigger.cpp b/tests/src/test_trigger.cpp
index b2b259c..f396589 100644
--- a/tests/src/test_trigger.cpp
+++ b/tests/src/test_trigger.cpp
@@ -1,5 +1,6 @@
 #include "dbus_environment.hpp"
 #include "helpers.hpp"
+#include "mocks/json_storage_mock.hpp"
 #include "mocks/trigger_manager_mock.hpp"
 #include "params/trigger_params.hpp"
 #include "trigger.hpp"
@@ -8,6 +9,8 @@
 using namespace testing;
 using namespace std::literals::string_literals;
 
+static constexpr size_t expectedTriggerVersion = 0;
+
 class TestTrigger : public Test
 {
   public:
@@ -15,18 +18,29 @@
 
     std::unique_ptr<TriggerManagerMock> triggerManagerMockPtr =
         std::make_unique<NiceMock<TriggerManagerMock>>();
+    testing::NiceMock<StorageMock> storageMock;
     std::unique_ptr<Trigger> sut;
 
     void SetUp() override
     {
-        sut = std::make_unique<Trigger>(
+        sut = makeTrigger(triggerParams);
+    }
+
+    std::unique_ptr<Trigger> makeTrigger(const TriggerParams& params)
+    {
+        return std::make_unique<Trigger>(
             DbusEnvironment::getIoc(), DbusEnvironment::getObjServer(),
-            triggerParams.name(), triggerParams.isDiscrete(),
-            triggerParams.logToJournal(), triggerParams.logToRedfish(),
-            triggerParams.updateReport(), triggerParams.sensors(),
-            triggerParams.reportNames(), triggerParams.thresholdParams(),
+            params.name(), params.isDiscrete(), params.logToJournal(),
+            params.logToRedfish(), params.updateReport(), params.sensors(),
+            params.reportNames(), params.thresholdParams(),
             std::vector<std::shared_ptr<interfaces::Threshold>>{},
-            *triggerManagerMockPtr);
+            *triggerManagerMockPtr, storageMock);
+    }
+
+    static interfaces::JsonStorage::FilePath to_file_path(std::string name)
+    {
+        return interfaces::JsonStorage::FilePath(
+            std::to_string(std::hash<std::string>{}(name)));
     }
 
     template <class T>
@@ -48,6 +62,24 @@
         return DbusEnvironment::waitForFuture(std::move(propertyFuture));
     }
 
+    template <class T>
+    static boost::system::error_code setProperty(const std::string& path,
+                                                 const std::string& property,
+                                                 const T& newValue)
+    {
+        auto setPromise = std::promise<boost::system::error_code>();
+        auto setFuture = setPromise.get_future();
+
+        sdbusplus::asio::setProperty(
+            *DbusEnvironment::getBus(), DbusEnvironment::serviceName(), path,
+            Trigger::triggerIfaceName, property, std::move(newValue),
+            [setPromise =
+                 std::move(setPromise)](boost::system::error_code ec) mutable {
+                setPromise.set_value(ec);
+            });
+        return DbusEnvironment::waitForFuture(std::move(setFuture));
+    }
+
     boost::system::error_code deleteTrigger(const std::string& path)
     {
         std::promise<boost::system::error_code> methodPromise;
@@ -63,6 +95,7 @@
 
 TEST_F(TestTrigger, checkIfPropertiesAreSet)
 {
+    EXPECT_THAT(getProperty<bool>(sut->getPath(), "Persistent"), Eq(true));
     EXPECT_THAT(getProperty<bool>(sut->getPath(), "Discrete"),
                 Eq(triggerParams.isDiscrete()));
     EXPECT_THAT(getProperty<bool>(sut->getPath(), "LogToJournal"),
@@ -85,6 +118,7 @@
 
 TEST_F(TestTrigger, deleteTrigger)
 {
+    EXPECT_CALL(storageMock, remove(to_file_path(sut->getName())));
     EXPECT_CALL(*triggerManagerMockPtr, removeTrigger(sut.get()));
     auto ec = deleteTrigger(sut->getPath());
     EXPECT_THAT(ec, Eq(boost::system::errc::success));
@@ -95,3 +129,125 @@
     auto ec = deleteTrigger(Trigger::triggerDir + "NonExisting"s);
     EXPECT_THAT(ec.value(), Eq(EBADR));
 }
+
+TEST_F(TestTrigger, settingPersistencyToFalseRemovesReportFromStorage)
+{
+    EXPECT_CALL(storageMock, remove(to_file_path(sut->getName())));
+
+    bool persistent = false;
+    EXPECT_THAT(setProperty(sut->getPath(), "Persistent", persistent).value(),
+                Eq(boost::system::errc::success));
+    EXPECT_THAT(getProperty<bool>(sut->getPath(), "Persistent"),
+                Eq(persistent));
+}
+
+class TestTriggerErrors : public TestTrigger
+{
+  public:
+    void SetUp() override
+    {}
+
+    nlohmann::json storedConfiguration;
+};
+
+TEST_F(TestTriggerErrors, throwingExceptionDoesNotStoreTriggerReportNames)
+{
+    EXPECT_CALL(storageMock, store(_, _))
+        .WillOnce(Throw(std::runtime_error("Generic error!")));
+
+    sut = makeTrigger(triggerParams);
+
+    EXPECT_THAT(getProperty<bool>(sut->getPath(), "Persistent"), Eq(false));
+}
+
+TEST_F(TestTriggerErrors, creatingTriggerThrowsExceptionWhenNameIsInvalid)
+{
+    EXPECT_CALL(storageMock, store(_, _)).Times(0);
+
+    EXPECT_THROW(makeTrigger(triggerParams.name("inv?lidName")),
+                 sdbusplus::exception::SdBusError);
+}
+
+class TestTriggerStore : public TestTrigger
+{
+  public:
+    void SetUp() override
+    {
+        ON_CALL(storageMock, store(_, _))
+            .WillByDefault(SaveArg<1>(&storedConfiguration));
+
+        sut = makeTrigger(triggerParams);
+    }
+
+    nlohmann::json storedConfiguration;
+};
+
+TEST_F(TestTriggerStore, settingPersistencyToTrueStoresTriggerVersion)
+{
+    ASSERT_THAT(storedConfiguration.at("Version"), Eq(expectedTriggerVersion));
+}
+
+TEST_F(TestTriggerStore, settingPersistencyToTrueStoresTriggerName)
+{
+    ASSERT_THAT(storedConfiguration.at("Name"), Eq(triggerParams.name()));
+}
+
+TEST_F(TestTriggerStore, settingPersistencyToTrueStoresTriggerIsDiscrete)
+{
+    ASSERT_THAT(storedConfiguration.at("IsDiscrete"),
+                Eq(triggerParams.isDiscrete()));
+}
+
+TEST_F(TestTriggerStore, settingPersistencyToTrueStoresTriggerLogToJournal)
+{
+    ASSERT_THAT(storedConfiguration.at("LogToJournal"),
+                Eq(triggerParams.logToRedfish()));
+}
+
+TEST_F(TestTriggerStore, settingPersistencyToTrueStoresTriggerLogToRedfish)
+{
+    ASSERT_THAT(storedConfiguration.at("LogToRedfish"),
+                Eq(triggerParams.logToRedfish()));
+}
+
+TEST_F(TestTriggerStore, settingPersistencyToTrueStoresTriggerUpdateReport)
+{
+    ASSERT_THAT(storedConfiguration.at("UpdateReport"),
+                Eq(triggerParams.updateReport()));
+}
+
+TEST_F(TestTriggerStore, settingPersistencyToTrueStoresTriggerReportNames)
+{
+    ASSERT_THAT(storedConfiguration.at("ReportNames"),
+                Eq(triggerParams.reportNames()));
+}
+
+TEST_F(TestTriggerStore, settingPersistencyToTrueStoresTriggerSensors)
+{
+    nlohmann::json expectedItem;
+    expectedItem["sensorPath"] =
+        "/xyz/openbmc_project/sensors/temperature/BMC_Temp";
+    expectedItem["sensorMetadata"] = "";
+
+    ASSERT_THAT(storedConfiguration.at("Sensors"), ElementsAre(expectedItem));
+}
+
+TEST_F(TestTriggerStore, settingPersistencyToTrueStoresTriggerThresholdParams)
+{
+    ASSERT_THAT(storedConfiguration.at("ThresholdParamsDiscriminator"), Eq(0));
+
+    nlohmann::json expectedItem0;
+    expectedItem0["type"] = 0;
+    expectedItem0["dwellTime"] = 10;
+    expectedItem0["direction"] = 1;
+    expectedItem0["thresholdValue"] = 0.0;
+
+    nlohmann::json expectedItem1;
+    expectedItem1["type"] = 3;
+    expectedItem1["dwellTime"] = 10;
+    expectedItem1["direction"] = 2;
+    expectedItem1["thresholdValue"] = 90.0;
+
+    ASSERT_THAT(storedConfiguration.at("ThresholdParams"),
+                ElementsAre(expectedItem0, expectedItem1));
+}
diff --git a/tests/src/test_trigger_manager.cpp b/tests/src/test_trigger_manager.cpp
index 8754446..1bc4f1b 100644
--- a/tests/src/test_trigger_manager.cpp
+++ b/tests/src/test_trigger_manager.cpp
@@ -1,5 +1,6 @@
 #include "dbus_environment.hpp"
 #include "helpers.hpp"
+#include "mocks/json_storage_mock.hpp"
 #include "mocks/trigger_factory_mock.hpp"
 #include "mocks/trigger_mock.hpp"
 #include "params/trigger_params.hpp"
@@ -29,6 +30,9 @@
     }
 
     TriggerParams triggerParams;
+    std::unique_ptr<StorageMock> storageMockPtr =
+        std::make_unique<NiceMock<StorageMock>>();
+    StorageMock& storageMock = *storageMockPtr;
     std::unique_ptr<TriggerFactoryMock> triggerFactoryMockPtr =
         std::make_unique<NiceMock<TriggerFactoryMock>>();
     TriggerFactoryMock& triggerFactoryMock = *triggerFactoryMockPtr;
@@ -36,14 +40,14 @@
         std::make_unique<NiceMock<TriggerMock>>(triggerParams.name());
     TriggerMock& triggerMock = *triggerMockPtr;
     std::unique_ptr<TriggerManager> sut = std::make_unique<TriggerManager>(
-        std::move(triggerFactoryMockPtr),
+        std::move(triggerFactoryMockPtr), std::move(storageMockPtr),
         std::move(DbusEnvironment::getObjServer()));
     MockFunction<void(std::string)> checkPoint;
 };
 
 TEST_F(TestTriggerManager, addTrigger)
 {
-    triggerFactoryMock.expectMake(triggerParams, Ref(*sut))
+    triggerFactoryMock.expectMake(triggerParams, Ref(*sut), Ref(storageMock))
         .WillOnce(Return(ByMove(std::move(triggerMockPtr))));
 
     auto [ec, path] = addTrigger(triggerParams);
@@ -83,7 +87,7 @@
 
 TEST_F(TestTriggerManager, DISABLED_failToAddTriggerTwice)
 {
-    triggerFactoryMock.expectMake(triggerParams, Ref(*sut))
+    triggerFactoryMock.expectMake(triggerParams, Ref(*sut), Ref(storageMock))
         .WillOnce(Return(ByMove(std::move(triggerMockPtr))));
 
     addTrigger(triggerParams);
@@ -95,7 +99,7 @@
 
 TEST_F(TestTriggerManager, DISABLED_failToAddTriggerWhenMaxTriggerIsReached)
 {
-    triggerFactoryMock.expectMake(std::nullopt, Ref(*sut))
+    triggerFactoryMock.expectMake(std::nullopt, Ref(*sut), Ref(storageMock))
         .Times(TriggerManager::maxTriggers);
 
     for (size_t i = 0; i < TriggerManager::maxTriggers; i++)
@@ -117,7 +121,8 @@
 {
     {
         InSequence seq;
-        triggerFactoryMock.expectMake(triggerParams, Ref(*sut))
+        triggerFactoryMock
+            .expectMake(triggerParams, Ref(*sut), Ref(storageMock))
             .WillOnce(Return(ByMove(std::move(triggerMockPtr))));
         EXPECT_CALL(triggerMock, Die());
         EXPECT_CALL(checkPoint, Call("end"));
@@ -144,7 +149,8 @@
 {
     {
         InSequence seq;
-        triggerFactoryMock.expectMake(triggerParams, Ref(*sut))
+        triggerFactoryMock
+            .expectMake(triggerParams, Ref(*sut), Ref(storageMock))
             .WillOnce(Return(ByMove(std::move(triggerMockPtr))));
         EXPECT_CALL(triggerMock, Die());
         EXPECT_CALL(checkPoint, Call("end"));