diff --git a/tests/meson.build b/tests/meson.build
index 5be01be..d2e5aac 100644
--- a/tests/meson.build
+++ b/tests/meson.build
@@ -11,8 +11,10 @@
     executable(
         'telemetry-ut',
         [
+            '../src/discrete_threshold.cpp',
             '../src/metric.cpp',
             '../src/numeric_threshold.cpp',
+            '../src/on_change_threshold.cpp',
             '../src/persistent_json_storage.cpp',
             '../src/report.cpp',
             '../src/report_factory.cpp',
@@ -28,8 +30,10 @@
             'src/stubs/dbus_sensor_object.cpp',
             'src/test_conversion.cpp',
             'src/test_detached_timer.cpp',
+            'src/test_discrete_threshold.cpp',
             'src/test_metric.cpp',
             'src/test_numeric_threshold.cpp',
+            'src/test_on_change_threshold.cpp',
             'src/test_persistent_json_storage.cpp',
             'src/test_report.cpp',
             'src/test_report_manager.cpp',
diff --git a/tests/src/dbus_environment.cpp b/tests/src/dbus_environment.cpp
index 4780cc5..9e025d7 100644
--- a/tests/src/dbus_environment.cpp
+++ b/tests/src/dbus_environment.cpp
@@ -72,6 +72,17 @@
     return waitForFuture(getFuture(name), timeout);
 }
 
+bool DbusEnvironment::waitForFutures(std::string_view name,
+                                     std::chrono::milliseconds timeout)
+{
+    auto& data = futures[std::string(name)];
+    auto ret = waitForFutures(
+        std::move(data), true, [](auto sum, auto val) { return sum && val; },
+        timeout);
+    data = std::vector<std::future<bool>>{};
+    return ret;
+}
+
 std::future<bool> DbusEnvironment::getFuture(std::string_view name)
 {
     auto& data = futures[std::string(name)];
diff --git a/tests/src/dbus_environment.hpp b/tests/src/dbus_environment.hpp
index 07c4368..8146bcb 100644
--- a/tests/src/dbus_environment.hpp
+++ b/tests/src/dbus_environment.hpp
@@ -1,3 +1,5 @@
+#pragma once
+
 #include <sdbusplus/asio/object_server.hpp>
 #include <sdbusplus/asio/property.hpp>
 
@@ -36,35 +38,61 @@
         synchronizeIoc();
     }
 
-    template <class T>
-    static T waitForFuture(
-        std::future<T> future,
+    template <class T, class F>
+    static T waitForFutures(
+        std::vector<std::future<T>> futures, T init, F&& accumulator,
         std::chrono::milliseconds timeout = std::chrono::seconds(10))
     {
         constexpr auto precission = std::chrono::milliseconds(10);
         auto elapsed = std::chrono::milliseconds(0);
 
-        while (future.valid() && elapsed < timeout)
+        auto sum = init;
+        for (auto& future : futures)
         {
-            synchronizeIoc();
+            while (future.valid() && elapsed < timeout)
+            {
+                synchronizeIoc();
 
-            if (future.wait_for(precission) == std::future_status::ready)
-            {
-                return future.get();
-            }
-            else
-            {
-                elapsed += precission;
+                if (future.wait_for(precission) == std::future_status::ready)
+                {
+                    sum = accumulator(sum, future.get());
+                }
+                else
+                {
+                    elapsed += precission;
+                }
             }
         }
 
-        throw std::runtime_error("Timed out while waiting for future");
+        if (elapsed >= timeout)
+        {
+            throw std::runtime_error("Timed out while waiting for future");
+        }
+
+        return sum;
+    }
+
+    template <class T>
+    static T waitForFuture(
+        std::future<T> future,
+        std::chrono::milliseconds timeout = std::chrono::seconds(10))
+    {
+        std::vector<std::future<T>> futures;
+        futures.emplace_back(std::move(future));
+
+        return waitForFutures(
+            std::move(futures), T{},
+            [](auto, const auto& value) { return value; }, timeout);
     }
 
     static bool waitForFuture(
         std::string_view name,
         std::chrono::milliseconds timeout = std::chrono::seconds(10));
 
+    static bool waitForFutures(
+        std::string_view name,
+        std::chrono::milliseconds timeout = std::chrono::seconds(10));
+
   private:
     static std::future<bool> getFuture(std::string_view name);
 
diff --git a/tests/src/params/trigger_params.hpp b/tests/src/params/trigger_params.hpp
index 6d34d3b..95b19d2 100644
--- a/tests/src/params/trigger_params.hpp
+++ b/tests/src/params/trigger_params.hpp
@@ -21,6 +21,12 @@
         return nameProperty;
     }
 
+    TriggerParams& isDiscrete(bool val)
+    {
+        discreteProperty = val;
+        return *this;
+    }
+
     bool isDiscrete() const
     {
         return discreteProperty;
@@ -52,6 +58,12 @@
         return reportNamesProperty;
     }
 
+    TriggerParams& thresholdParams(TriggerThresholdParams val)
+    {
+        thresholdsProperty = std::move(val);
+        return *this;
+    }
+
     const TriggerThresholdParams& thresholdParams() const
     {
         return thresholdsProperty;
diff --git a/tests/src/test_discrete_threshold.cpp b/tests/src/test_discrete_threshold.cpp
new file mode 100644
index 0000000..2b31767
--- /dev/null
+++ b/tests/src/test_discrete_threshold.cpp
@@ -0,0 +1,271 @@
+#include "dbus_environment.hpp"
+#include "discrete_threshold.hpp"
+#include "helpers.hpp"
+#include "mocks/sensor_mock.hpp"
+#include "mocks/trigger_action_mock.hpp"
+#include "utils/conv_container.hpp"
+
+#include <gmock/gmock.h>
+
+using namespace testing;
+using namespace std::chrono_literals;
+
+class TestDiscreteThreshold : public Test
+{
+  public:
+    std::vector<std::shared_ptr<SensorMock>> sensorMocks = {
+        std::make_shared<NiceMock<SensorMock>>(),
+        std::make_shared<NiceMock<SensorMock>>()};
+    std::vector<std::string> sensorNames = {"Sensor1", "Sensor2"};
+    std::unique_ptr<TriggerActionMock> actionMockPtr =
+        std::make_unique<StrictMock<TriggerActionMock>>();
+    TriggerActionMock& actionMock = *actionMockPtr;
+    std::shared_ptr<DiscreteThreshold> sut;
+
+    std::shared_ptr<DiscreteThreshold>
+        makeThreshold(std::chrono::milliseconds dwellTime,
+                      double thresholdValue)
+    {
+        std::vector<std::unique_ptr<interfaces::TriggerAction>> actions;
+        actions.push_back(std::move(actionMockPtr));
+
+        return std::make_shared<DiscreteThreshold>(
+            DbusEnvironment::getIoc(),
+            utils::convContainer<std::shared_ptr<interfaces::Sensor>>(
+                sensorMocks),
+            sensorNames, std::move(actions), dwellTime, thresholdValue,
+            "treshold_name");
+    }
+
+    void SetUp() override
+    {
+        sut = makeThreshold(0ms, 90.0);
+    }
+};
+
+TEST_F(TestDiscreteThreshold, initializeThresholdExpectAllSensorsAreRegistered)
+{
+    for (auto& sensor : sensorMocks)
+    {
+        EXPECT_CALL(*sensor,
+                    registerForUpdates(Truly([sut = sut.get()](const auto& x) {
+                        return x.lock().get() == sut;
+                    })));
+    }
+
+    sut->initialize();
+}
+
+TEST_F(TestDiscreteThreshold, thresholdIsNotInitializeExpectNoActionCommit)
+{
+    EXPECT_CALL(actionMock, commit(_, _, _)).Times(0);
+}
+
+struct DiscreteParams
+{
+    struct UpdateParams
+    {
+        size_t sensor;
+        uint64_t timestamp;
+        double value;
+        std::chrono::milliseconds sleepAfter;
+
+        UpdateParams(size_t sensor, uint64_t timestamp, double value,
+                     std::chrono::milliseconds sleepAfter = 0ms) :
+            sensor(sensor),
+            timestamp(timestamp), value(value), sleepAfter(sleepAfter)
+        {}
+    };
+
+    struct ExpectedParams
+    {
+        size_t sensor;
+        uint64_t timestamp;
+        double value;
+        std::chrono::milliseconds waitMin;
+
+        ExpectedParams(size_t sensor, uint64_t timestamp, double value,
+                       std::chrono::milliseconds waitMin = 0ms) :
+            sensor(sensor),
+            timestamp(timestamp), value(value), waitMin(waitMin)
+        {}
+    };
+
+    DiscreteParams& Updates(std::vector<UpdateParams> val)
+    {
+        updates = std::move(val);
+        return *this;
+    }
+
+    DiscreteParams& Expected(std::vector<ExpectedParams> val)
+    {
+        expected = std::move(val);
+        return *this;
+    }
+
+    DiscreteParams& ThresholdValue(double val)
+    {
+        thresholdValue = val;
+        return *this;
+    }
+
+    DiscreteParams& DwellTime(std::chrono::milliseconds val)
+    {
+        dwellTime = std::move(val);
+        return *this;
+    }
+
+    friend void PrintTo(const DiscreteParams& o, std::ostream* os)
+    {
+        *os << "{ DwellTime: " << o.dwellTime.count() << "ms ";
+        *os << ", ThresholdValue: " << o.thresholdValue;
+        *os << ", Updates: ";
+        for (const auto& [index, timestamp, value, sleepAfter] : o.updates)
+        {
+            *os << "{ SensorIndex: " << index << ", Timestamp: " << timestamp
+                << ", Value: " << value
+                << ", SleepAfter: " << sleepAfter.count() << "ms }, ";
+        }
+        *os << "Expected: ";
+        for (const auto& [index, timestamp, value, waitMin] : o.expected)
+        {
+            *os << "{ SensorIndex: " << index << ", Timestamp: " << timestamp
+                << ", Value: " << value << ", waitMin: " << waitMin.count()
+                << "ms }, ";
+        }
+        *os << " }";
+    }
+
+    std::vector<UpdateParams> updates;
+    std::vector<ExpectedParams> expected;
+    double thresholdValue = 0.0;
+    std::chrono::milliseconds dwellTime = 0ms;
+};
+
+class TestDiscreteThresholdCommon :
+    public TestDiscreteThreshold,
+    public WithParamInterface<DiscreteParams>
+{
+  public:
+    void sleep(std::chrono::milliseconds duration)
+    {
+        if (duration != 0ms)
+        {
+            DbusEnvironment::sleepFor(duration);
+        }
+    }
+
+    void testBodySensorIsUpdatedMultipleTimes()
+    {
+        std::vector<std::chrono::time_point<std::chrono::high_resolution_clock>>
+            timestamps(sensorMocks.size());
+
+        sut->initialize();
+
+        InSequence seq;
+
+        for (const auto& [index, timestamp, value, waitMin] :
+             GetParam().expected)
+        {
+            EXPECT_CALL(actionMock,
+                        commit(sensorNames[index], timestamp, value))
+                .WillOnce(DoAll(
+                    InvokeWithoutArgs([idx = index, &timestamps] {
+                        timestamps[idx] =
+                            std::chrono::high_resolution_clock::now();
+                    }),
+                    InvokeWithoutArgs(DbusEnvironment::setPromise("commit"))));
+        }
+
+        auto start = std::chrono::high_resolution_clock::now();
+
+        for (const auto& [index, timestamp, value, sleepAfter] :
+             GetParam().updates)
+        {
+            sut->sensorUpdated(*sensorMocks[index], timestamp, value);
+            sleep(sleepAfter);
+        }
+
+        EXPECT_THAT(DbusEnvironment::waitForFutures("commit"), true);
+        for (const auto& [index, timestamp, value, waitMin] :
+             GetParam().expected)
+        {
+            EXPECT_THAT(timestamps[index] - start, Ge(waitMin));
+        }
+    }
+};
+
+class TestDiscreteThresholdNoDwellTime : public TestDiscreteThresholdCommon
+{
+  public:
+    void SetUp() override
+    {
+        sut = makeThreshold(0ms, GetParam().thresholdValue);
+    }
+};
+
+INSTANTIATE_TEST_SUITE_P(
+    _, TestDiscreteThresholdNoDwellTime,
+    Values(
+        DiscreteParams()
+            .ThresholdValue(90.0)
+            .Updates({{0, 1, 80.0}, {0, 2, 89.0}})
+            .Expected({}),
+        DiscreteParams()
+            .ThresholdValue(90.0)
+            .Updates({{0, 1, 80.0}, {0, 2, 90.0}, {0, 3, 80.0}, {0, 4, 90.0}})
+            .Expected({{0, 2, 90.0}, {0, 4, 90.0}}),
+        DiscreteParams()
+            .ThresholdValue(90.0)
+            .Updates({{0, 1, 90.0}, {0, 2, 99.0}, {1, 3, 100.0}, {1, 4, 90.0}})
+            .Expected({{0, 1, 90.0}, {1, 4, 90.0}})));
+
+TEST_P(TestDiscreteThresholdNoDwellTime, senorsIsUpdatedMultipleTimes)
+{
+    testBodySensorIsUpdatedMultipleTimes();
+}
+
+class TestDiscreteThresholdWithDwellTime : public TestDiscreteThresholdCommon
+{
+  public:
+    void SetUp() override
+    {
+        sut = makeThreshold(GetParam().dwellTime, GetParam().thresholdValue);
+    }
+};
+
+INSTANTIATE_TEST_SUITE_P(
+    _, TestDiscreteThresholdWithDwellTime,
+    Values(DiscreteParams()
+               .DwellTime(200ms)
+               .ThresholdValue(90.0)
+               .Updates({{0, 1, 90.0, 100ms}, {0, 2, 91.0}, {0, 3, 90.0}})
+               .Expected({{0, 3, 90.0, 300ms}}),
+           DiscreteParams()
+               .DwellTime(100ms)
+               .ThresholdValue(90.0)
+               .Updates({{0, 1, 90.0, 100ms}})
+               .Expected({{0, 1, 90.0, 100ms}}),
+           DiscreteParams()
+               .DwellTime(1000ms)
+               .ThresholdValue(90.0)
+               .Updates({{0, 1, 90.0, 700ms},
+                         {0, 1, 91.0, 100ms},
+                         {0, 1, 90.0, 300ms},
+                         {0, 1, 91.0, 100ms}})
+               .Expected({}),
+           DiscreteParams()
+               .DwellTime(200ms)
+               .ThresholdValue(90.0)
+               .Updates({{0, 1, 90.0},
+                         {1, 2, 89.0, 100ms},
+                         {1, 3, 90.0, 100ms},
+                         {1, 4, 89.0, 100ms},
+                         {1, 5, 90.0, 300ms},
+                         {1, 6, 89.0, 100ms}})
+               .Expected({{0, 1, 90, 200ms}, {1, 5, 90, 500ms}})));
+
+TEST_P(TestDiscreteThresholdWithDwellTime, senorsIsUpdatedMultipleTimes)
+{
+    testBodySensorIsUpdatedMultipleTimes();
+}
diff --git a/tests/src/test_on_change_threshold.cpp b/tests/src/test_on_change_threshold.cpp
new file mode 100644
index 0000000..20819c5
--- /dev/null
+++ b/tests/src/test_on_change_threshold.cpp
@@ -0,0 +1,129 @@
+#include "dbus_environment.hpp"
+#include "helpers.hpp"
+#include "mocks/sensor_mock.hpp"
+#include "mocks/trigger_action_mock.hpp"
+#include "on_change_threshold.hpp"
+#include "utils/conv_container.hpp"
+
+#include <gmock/gmock.h>
+
+using namespace testing;
+using namespace std::chrono_literals;
+
+class TestOnChangeThreshold : public Test
+{
+  public:
+    std::vector<std::shared_ptr<SensorMock>> sensorMocks = {
+        std::make_shared<NiceMock<SensorMock>>(),
+        std::make_shared<NiceMock<SensorMock>>()};
+    std::vector<std::string> sensorNames = {"Sensor1", "Sensor2"};
+    std::unique_ptr<TriggerActionMock> actionMockPtr =
+        std::make_unique<StrictMock<TriggerActionMock>>();
+    TriggerActionMock& actionMock = *actionMockPtr;
+    std::shared_ptr<OnChangeThreshold> sut;
+
+    void SetUp() override
+    {
+        std::vector<std::unique_ptr<interfaces::TriggerAction>> actions;
+        actions.push_back(std::move(actionMockPtr));
+
+        sut = std::make_shared<OnChangeThreshold>(
+            utils::convContainer<std::shared_ptr<interfaces::Sensor>>(
+                sensorMocks),
+            sensorNames, std::move(actions));
+    }
+};
+
+TEST_F(TestOnChangeThreshold, initializeThresholdExpectAllSensorsAreRegistered)
+{
+    for (auto& sensor : sensorMocks)
+    {
+        EXPECT_CALL(*sensor,
+                    registerForUpdates(Truly([sut = sut.get()](const auto& x) {
+                        return x.lock().get() == sut;
+                    })));
+    }
+
+    sut->initialize();
+}
+
+TEST_F(TestOnChangeThreshold, thresholdIsNotInitializeExpectNoActionCommit)
+{
+    EXPECT_CALL(actionMock, commit(_, _, _)).Times(0);
+}
+
+struct OnChangeParams
+{
+    using UpdateParams = std::tuple<size_t, uint64_t, double>;
+    using ExpectedParams = std::tuple<size_t, uint64_t, double>;
+
+    OnChangeParams& Updates(std::vector<UpdateParams> val)
+    {
+        updates = std::move(val);
+        return *this;
+    }
+
+    OnChangeParams& Expected(std::vector<ExpectedParams> val)
+    {
+        expected = std::move(val);
+        return *this;
+    }
+
+    friend void PrintTo(const OnChangeParams& o, std::ostream* os)
+    {
+        *os << "{ Updates: ";
+        for (const auto& [index, timestamp, value] : o.updates)
+        {
+            *os << "{ SensorIndex: " << index << ", Timestamp: " << timestamp
+                << ", Value: " << value << " }, ";
+        }
+        *os << "Expected: ";
+        for (const auto& [index, timestamp, value] : o.expected)
+        {
+            *os << "{ SensorIndex: " << index << ", Timestamp: " << timestamp
+                << ", Value: " << value << " }, ";
+        }
+        *os << " }";
+    }
+
+    std::vector<UpdateParams> updates;
+    std::vector<ExpectedParams> expected;
+};
+
+class TestOnChangeThresholdUpdates :
+    public TestOnChangeThreshold,
+    public WithParamInterface<OnChangeParams>
+{};
+
+INSTANTIATE_TEST_SUITE_P(
+    _, TestOnChangeThresholdUpdates,
+    Values(
+        OnChangeParams().Updates({{0, 1, 80.0}}).Expected({{0, 1, 80.0}}),
+        OnChangeParams()
+            .Updates({{0, 1, 80.0}, {1, 2, 81.0}})
+            .Expected({{0, 1, 80.0}, {1, 2, 81.0}}),
+        OnChangeParams()
+            .Updates({{0, 1, 80.0}, {0, 2, 90.0}})
+            .Expected({{0, 1, 80.0}, {0, 2, 90.0}}),
+        OnChangeParams()
+            .Updates({{0, 1, 80.0}, {1, 2, 90.0}, {0, 3, 90.0}})
+            .Expected({{0, 1, 80.0}, {1, 2, 90.0}, {0, 3, 90.0}}),
+        OnChangeParams()
+            .Updates({{0, 1, 80.0}, {1, 2, 80.0}, {1, 3, 90.0}, {0, 4, 90.0}})
+            .Expected(
+                {{0, 1, 80.0}, {1, 2, 80.0}, {1, 3, 90.0}, {0, 4, 90.0}})));
+
+TEST_P(TestOnChangeThresholdUpdates, senorsIsUpdatedMultipleTimes)
+{
+    InSequence seq;
+    for (const auto& [index, timestamp, value] : GetParam().expected)
+    {
+        EXPECT_CALL(actionMock, commit(sensorNames[index], timestamp, value));
+    }
+
+    sut->initialize();
+    for (const auto& [index, timestamp, value] : GetParam().updates)
+    {
+        sut->sensorUpdated(*sensorMocks[index], timestamp, value);
+    }
+}
diff --git a/tests/src/test_trigger_actions.cpp b/tests/src/test_trigger_actions.cpp
index 2fa220a..7a65fa2 100644
--- a/tests/src/test_trigger_actions.cpp
+++ b/tests/src/test_trigger_actions.cpp
@@ -7,85 +7,212 @@
 
 namespace action
 {
+namespace numeric
+{
+using LogParam = std::tuple<::numeric::Type, double, double>;
 
-using LogParam = std::pair<numeric::Type, double>;
+static auto getCorrectParams()
+{
+    return Values(std::make_tuple(::numeric::Type::upperCritical, 91.1, 90),
+                  std::make_tuple(::numeric::Type::lowerCritical, 91.2, 90),
+                  std::make_tuple(::numeric::Type::upperWarning, 88.5, 90),
+                  std::make_tuple(::numeric::Type::lowerWarning, 88.6, 90));
+}
 
-class TestLogToJournal : public Test, public WithParamInterface<LogParam>
+static auto getIncorrectParams()
+{
+    return Values(
+        std::make_tuple(::numeric::Type::upperCritical, 90.0, 90),
+        std::make_tuple(static_cast<::numeric::Type>(-1), 88.0, 90),
+        std::make_tuple(static_cast<::numeric::Type>(123), 123.0, 90));
+}
+
+class TestLogToJournalNumeric : public Test, public WithParamInterface<LogParam>
 {
   public:
     void SetUp() override
     {
-        auto [type, threshold] = GetParam();
-        sut = std::make_unique<LogToJournal>(type, threshold);
+        auto [type, threshold, value] = GetParam();
+        sut = std::make_unique<numeric::LogToJournal>(type, threshold);
+        commmitValue = value;
+    }
+
+    std::unique_ptr<numeric::LogToJournal> sut;
+    double commmitValue;
+};
+
+INSTANTIATE_TEST_SUITE_P(LogToJournalNumericParams, TestLogToJournalNumeric,
+                         getCorrectParams());
+
+TEST_P(TestLogToJournalNumeric, commitAnActionDoesNotThrow)
+{
+    EXPECT_NO_THROW(sut->commit("Test", 100'000, commmitValue));
+}
+
+class TestLogToJournalNumericThrow : public TestLogToJournalNumeric
+{};
+
+INSTANTIATE_TEST_SUITE_P(_, TestLogToJournalNumericThrow, getIncorrectParams());
+
+TEST_P(TestLogToJournalNumericThrow, commitAnActionExpectThrow)
+{
+    EXPECT_THROW(sut->commit("Test", 100'000, commmitValue),
+                 std::runtime_error);
+}
+
+class TestLogToRedfishNumeric : public Test, public WithParamInterface<LogParam>
+{
+  public:
+    void SetUp() override
+    {
+        auto [type, threshold, value] = GetParam();
+        sut = std::make_unique<LogToRedfish>(type, threshold);
+        commmitValue = value;
+    }
+
+    std::unique_ptr<LogToRedfish> sut;
+    double commmitValue;
+};
+
+INSTANTIATE_TEST_SUITE_P(LogToRedfishNumericParams, TestLogToRedfishNumeric,
+                         getCorrectParams());
+
+TEST_P(TestLogToRedfishNumeric, commitExpectNoThrow)
+{
+    EXPECT_NO_THROW(sut->commit("Test", 100'000, commmitValue));
+}
+
+class TestLogToRedfishNumericThrow : public TestLogToRedfishNumeric
+{};
+
+INSTANTIATE_TEST_SUITE_P(_, TestLogToRedfishNumericThrow, getIncorrectParams());
+
+TEST_P(TestLogToRedfishNumericThrow, commitExpectToThrow)
+{
+    EXPECT_THROW(sut->commit("Test", 100'000, commmitValue),
+                 std::runtime_error);
+}
+
+} // namespace numeric
+
+namespace discrete
+{
+using LogParam = ::discrete::Severity;
+
+static auto getCorrectParams()
+{
+    return Values(::discrete::Severity::critical, ::discrete::Severity::warning,
+                  ::discrete::Severity::ok);
+}
+
+static auto getIncorrectParams()
+{
+    return Values(static_cast<::discrete::Severity>(-1),
+                  static_cast<::discrete::Severity>(42));
+}
+
+class TestLogToJournalDiscrete :
+    public Test,
+    public WithParamInterface<LogParam>
+{
+  public:
+    void SetUp() override
+    {
+        auto severity = GetParam();
+        sut = std::make_unique<LogToJournal>(severity);
     }
 
     std::unique_ptr<LogToJournal> sut;
 };
 
-INSTANTIATE_TEST_SUITE_P(
-    LogToJournalParams, TestLogToJournal,
-    Values(std::make_pair(numeric::Type::upperCritical, 91.1),
-           std::make_pair(numeric::Type::lowerCritical, 91.2),
-           std::make_pair(numeric::Type::upperWarning, 88.5),
-           std::make_pair(numeric::Type::lowerWarning, 88.6)));
+INSTANTIATE_TEST_SUITE_P(LogToJournalDiscreteParams, TestLogToJournalDiscrete,
+                         getCorrectParams());
 
-TEST_P(TestLogToJournal, commitAnActionDoesNotThrow)
+TEST_P(TestLogToJournalDiscrete, commitAnActionDoesNotThrow)
 {
     EXPECT_NO_THROW(sut->commit("Test", 100'000, 90.0));
 }
 
-class TestLogToJournalThrow : public TestLogToJournal
+class TestLogToJournalDiscreteThrow : public TestLogToJournalDiscrete
 {};
 
-INSTANTIATE_TEST_SUITE_P(
-    _, TestLogToJournalThrow,
-    Values(std::make_pair(numeric::Type::upperCritical, 90.0),
-           std::make_pair(static_cast<numeric::Type>(-1), 88.0),
-           std::make_pair(static_cast<numeric::Type>(123), 123.0)));
+INSTANTIATE_TEST_SUITE_P(_, TestLogToJournalDiscreteThrow,
+                         getIncorrectParams());
 
-TEST_P(TestLogToJournalThrow, commitAnActionExpectThrow)
+TEST_P(TestLogToJournalDiscreteThrow, commitAnActionExpectThrow)
 {
     EXPECT_THROW(sut->commit("Test", 100'000, 90.0), std::runtime_error);
 }
 
-class TestLogToRedfish : public Test, public WithParamInterface<LogParam>
+class TestLogToRedfishDiscrete :
+    public Test,
+    public WithParamInterface<LogParam>
 {
   public:
     void SetUp() override
     {
-        auto [type, threshold] = GetParam();
-        sut = std::make_unique<LogToRedfish>(type, threshold);
+        auto severity = GetParam();
+        sut = std::make_unique<LogToRedfish>(severity);
     }
 
     std::unique_ptr<LogToRedfish> sut;
 };
 
-INSTANTIATE_TEST_SUITE_P(
-    LogToRedfishParams, TestLogToRedfish,
-    Values(std::make_pair(numeric::Type::upperCritical, 91.1),
-           std::make_pair(numeric::Type::lowerCritical, 91.4),
-           std::make_pair(numeric::Type::upperWarning, 88.6),
-           std::make_pair(numeric::Type::lowerWarning, 88.5)));
+INSTANTIATE_TEST_SUITE_P(LogToRedfishDiscreteParams, TestLogToRedfishDiscrete,
+                         getCorrectParams());
 
-TEST_P(TestLogToRedfish, commitExpectNoThrow)
+TEST_P(TestLogToRedfishDiscrete, commitExpectNoThrow)
 {
     EXPECT_NO_THROW(sut->commit("Test", 100'000, 90.0));
 }
 
-class TestLogToRedfishThrow : public TestLogToRedfish
+class TestLogToRedfishDiscreteThrow : public TestLogToRedfishDiscrete
 {};
 
-INSTANTIATE_TEST_SUITE_P(
-    _, TestLogToRedfishThrow,
-    Values(std::make_pair(numeric::Type::upperCritical, 90.0),
-           std::make_pair(static_cast<numeric::Type>(-1), 88.5),
-           std::make_pair(static_cast<numeric::Type>(123), 123.6)));
+INSTANTIATE_TEST_SUITE_P(_, TestLogToRedfishDiscreteThrow,
+                         getIncorrectParams());
 
-TEST_P(TestLogToRedfishThrow, commitExpectToThrow)
+TEST_P(TestLogToRedfishDiscreteThrow, commitExpectToThrow)
 {
     EXPECT_THROW(sut->commit("Test", 100'000, 90.0), std::runtime_error);
 }
 
+namespace onChange
+{
+class TestLogToJournalDiscreteOnChange : public Test
+{
+  public:
+    void SetUp() override
+    {
+        sut = std::make_unique<LogToJournal>();
+    }
+
+    std::unique_ptr<LogToJournal> sut;
+};
+
+TEST_F(TestLogToJournalDiscreteOnChange, commitExpectNoThrow)
+{
+    EXPECT_NO_THROW(sut->commit("Test", 100'000, 90.0));
+}
+
+class TestLogToRedfishDiscreteOnChange : public Test
+{
+  public:
+    void SetUp() override
+    {
+        sut = std::make_unique<LogToRedfish>();
+    }
+
+    std::unique_ptr<LogToRedfish> sut;
+};
+
+TEST_F(TestLogToRedfishDiscreteOnChange, commitExpectNoThrow)
+{
+    EXPECT_NO_THROW(sut->commit("Test", 100'000, 90.0));
+}
+} // namespace onChange
+} // namespace discrete
+
 class TestUpdateReport : public Test
 {
   public:
diff --git a/tests/src/test_trigger_manager.cpp b/tests/src/test_trigger_manager.cpp
index 95043e2..8754446 100644
--- a/tests/src/test_trigger_manager.cpp
+++ b/tests/src/test_trigger_manager.cpp
@@ -51,6 +51,36 @@
     EXPECT_THAT(path, Eq(triggerMock.getPath()));
 }
 
+TEST_F(TestTriggerManager, addTriggerWithDiscreteThresholds)
+{
+    TriggerParams triggerParamsDiscrete;
+    auto thresholds = std::vector<discrete::ThresholdParam>{
+        {"discrete_threshold1",
+         discrete::severityToString(discrete::Severity::ok), 10, 11.0},
+        {"discrete_threshold2",
+         discrete::severityToString(discrete::Severity::warning), 10, 12.0},
+        {"discrete_threshold3",
+         discrete::severityToString(discrete::Severity::critical), 10, 13.0}};
+
+    triggerParamsDiscrete.thresholdParams(thresholds).isDiscrete(true);
+
+    auto [ec, path] = addTrigger(triggerParamsDiscrete);
+    EXPECT_THAT(ec.value(), Eq(boost::system::errc::success));
+    EXPECT_THAT(path, Eq(triggerMock.getPath()));
+}
+
+TEST_F(TestTriggerManager, addDiscreteTriggerWithoutThresholds)
+{
+    TriggerParams triggerParamsDiscrete;
+    auto thresholds = std::vector<discrete::ThresholdParam>();
+
+    triggerParamsDiscrete.thresholdParams(thresholds).isDiscrete(true);
+
+    auto [ec, path] = addTrigger(triggerParamsDiscrete);
+    EXPECT_THAT(ec.value(), Eq(boost::system::errc::success));
+    EXPECT_THAT(path, Eq(triggerMock.getPath()));
+}
+
 TEST_F(TestTriggerManager, DISABLED_failToAddTriggerTwice)
 {
     triggerFactoryMock.expectMake(triggerParams, Ref(*sut))