diff --git a/tests/conftest.py b/tests/conftest.py
new file mode 100644
index 0000000..598968e
--- /dev/null
+++ b/tests/conftest.py
@@ -0,0 +1,19 @@
+# SPDX-FileCopyrightText: 2023 - 2024 Ledger SAS
+#
+# SPDX-License-Identifier: Apache-2.0
+
+# flake8: noqa
+
+import pathlib
+import dts_utils
+import pytest
+
+
+class Dts:
+    def __init__(self):
+        self.dts = dts_utils.Dts(pathlib.Path(__file__).parent.absolute() / "dts/sample.dts")
+
+
+@pytest.fixture(scope="module")
+def dts_file():
+    return Dts()
diff --git a/tests/test_dump.py b/tests/test_dump.py
new file mode 100644
index 0000000..a65e708
--- /dev/null
+++ b/tests/test_dump.py
@@ -0,0 +1,12 @@
+# SPDX-FileCopyrightText: 2023 - 2024 Ledger SAS
+#
+# SPDX-License-Identifier: Apache-2.0
+
+# flake8: noqa
+
+import dts_utils
+import dts_utils.dump
+
+
+def test_dump(dts_file):
+    usart1_info = dts_utils.dump.dump(dts_file.dts, "usart1", True)
diff --git a/tests/test_filters.py b/tests/test_filters.py
new file mode 100644
index 0000000..4c49afc
--- /dev/null
+++ b/tests/test_filters.py
@@ -0,0 +1,66 @@
+# SPDX-FileCopyrightText: 2023 - 2024 Ledger SAS
+#
+# SPDX-License-Identifier: Apache-2.0
+
+# flake8: noqa
+
+import dts_utils
+import dts_utils.filters
+
+
+def test_filter_enabled(dts_file):
+    pinctrl_list = dts_utils.filters.f_peripherals(dts_file.dts.soc.pinctrl)
+    enabled_gpios = dts_utils.filters.f_enabled(pinctrl_list)
+    assert len(enabled_gpios) == 7
+
+
+def test_filter_enabled_exceptions(dts_file):
+    try:
+        enabled_gpios = dts_utils.filters.f_enabled(dts_file.dts)
+        assert False
+    except dts_utils.exceptions.InvalidTemplateValueType:
+        assert True
+
+
+def test_filter_owner(dts_file):
+    i2c1 = dts_file.dts.i2c1
+    assert dts_utils.filters.f_owner(i2c1) == 0xBABE
+
+
+def test_filter_owner_exceptions(dts_file):
+    try:
+        enabled_gpios = dts_utils.filters.f_owner(dts_file.dts)
+        assert False
+    except dts_utils.exceptions.InvalidTemplateValueType:
+        assert True
+
+
+def test_filter_has_property(dts_file):
+    i2c1 = dts_file.dts.i2c1
+    assert dts_utils.filters.f_has_property(i2c1, "outpost,owner")
+
+
+def test_filter_has_property_exception(dts_file):
+    try:
+        dts_utils.filters.f_has_property(dts_file.dts, "outpost,owner")
+        assert False
+    except dts_utils.exceptions.InvalidTemplateValueType:
+        assert True
+
+
+def test_filter_with_property(dts_file):
+    dev_list = dts_utils.filters.f_peripherals(dts_file.dts.root)
+    assert len(dts_utils.filters.f_with_property(dev_list, "outpost,owner")) == 1
+
+
+def test_filter_with_property_exception(dts_file):
+    try:
+        dts_utils.filters.f_with_property(dts_file.dts, "outpost,owner")
+        assert False
+    except dts_utils.exceptions.InvalidTemplateValueType:
+        assert True
+    try:
+        dts_utils.filters.f_with_property(dts_file.dts.usart1, "outpost,owner")
+        assert False
+    except dts_utils.exceptions.InvalidTemplateValueType:
+        assert True
diff --git a/tests/test_load.py b/tests/test_load.py
index c23f2ef..0c5404f 100644
--- a/tests/test_load.py
+++ b/tests/test_load.py
@@ -4,14 +4,9 @@
 
 # flake8: noqa
 
-import pathlib
 import dts_utils
 
 
-def test_dtsload():
-    dts = dts_utils.Dts(pathlib.Path(__file__).parent.absolute() / "dts/sample.dts")
-
-
-def test_socload():
-    dts = dts_utils.Dts(pathlib.Path(__file__).parent.absolute() / "dts/sample.dts")
-    soc = dts.soc
+def test_socload(dts_file):
+    soc = dts_file.dts.soc
+    assert soc != None
diff --git a/tests/test_node.py b/tests/test_node.py
new file mode 100644
index 0000000..23618b2
--- /dev/null
+++ b/tests/test_node.py
@@ -0,0 +1,13 @@
+# SPDX-FileCopyrightText: 2023 - 2024 Ledger SAS
+#
+# SPDX-License-Identifier: Apache-2.0
+
+# flake8: noqa
+
+import dts_utils
+
+
+def test_node_id(dts_file):
+    usart1 = dts_file.dts.usart1
+    assert usart1.label == "usart1"
+    assert usart1.name == "serial@40013800"