diff --git a/tests/test_authorization.py b/tests/test_authorization.py
new file mode 100644
index 0000000..a9ffc54
--- /dev/null
+++ b/tests/test_authorization.py
@@ -0,0 +1,42 @@
+"""Test authorization module."""
+import pytest
+
+from keycloak.authorization import Permission, Policy, Role
+from keycloak.exceptions import KeycloakAuthorizationConfigError
+
+
+def test_authorization_objects():
+    """Test authorization objects."""
+    # Test permission
+    p = Permission(name="test", type="test", logic="test", decision_strategy="test")
+    assert p.name == "test"
+    assert p.type == "test"
+    assert p.logic == "test"
+    assert p.decision_strategy == "test"
+    p.resources = ["test"]
+    assert p.resources == ["test"]
+    p.scopes = ["test"]
+    assert p.scopes == ["test"]
+
+    # Test policy
+    p = Policy(name="test", type="test", logic="test", decision_strategy="test")
+    assert p.name == "test"
+    assert p.type == "test"
+    assert p.logic == "test"
+    assert p.decision_strategy == "test"
+    p.roles = ["test"]
+    assert p.roles == ["test"]
+    p.permissions = ["test"]
+    assert p.permissions == ["test"]
+    p.add_permission(permission="test2")
+    assert p.permissions == ["test", "test2"]
+    with pytest.raises(KeycloakAuthorizationConfigError):
+        p.add_role(role="test2")
+
+    # Test role
+    r = Role(name="test")
+    assert r.name == "test"
+    assert not r.required
+    assert r.get_name() == "test"
+    assert r == r
+    assert r == "test"
diff --git a/tests/test_connection.py b/tests/test_connection.py
new file mode 100644
index 0000000..85730cd
--- /dev/null
+++ b/tests/test_connection.py
@@ -0,0 +1,41 @@
+"""Connection test module."""
+
+import pytest
+
+from keycloak.connection import ConnectionManager
+from keycloak.exceptions import KeycloakConnectionError
+
+
+def test_connection_proxy():
+    """Test proxies of connection manager."""
+    cm = ConnectionManager(
+        base_url="http://test.test", proxies={"http://test.test": "localhost:8080"}
+    )
+    assert cm._s.proxies == {"http://test.test": "localhost:8080"}
+
+
+def test_headers():
+    """Test headers manipulation."""
+    cm = ConnectionManager(base_url="http://test.test", headers={"H": "A"})
+    assert cm.param_headers(key="H") == "A"
+    assert cm.param_headers(key="A") is None
+    cm.clean_headers()
+    assert cm.headers == dict()
+    cm.add_param_headers(key="H", value="B")
+    assert cm.exist_param_headers(key="H")
+    assert not cm.exist_param_headers(key="B")
+    cm.del_param_headers(key="H")
+    assert not cm.exist_param_headers(key="H")
+
+
+def test_bad_connection():
+    """Test bad connection."""
+    cm = ConnectionManager(base_url="http://not.real.domain")
+    with pytest.raises(KeycloakConnectionError):
+        cm.raw_get(path="bad")
+    with pytest.raises(KeycloakConnectionError):
+        cm.raw_delete(path="bad")
+    with pytest.raises(KeycloakConnectionError):
+        cm.raw_post(path="bad", data={})
+    with pytest.raises(KeycloakConnectionError):
+        cm.raw_put(path="bad", data={})
diff --git a/tests/test_exceptions.py b/tests/test_exceptions.py
new file mode 100644
index 0000000..72e7161
--- /dev/null
+++ b/tests/test_exceptions.py
@@ -0,0 +1,20 @@
+"""Test the exceptions module."""
+
+from unittest.mock import Mock
+
+import pytest
+
+from keycloak.exceptions import KeycloakOperationError, raise_error_from_response
+
+
+def test_raise_error_from_response_from_dict():
+    """Test raise error from response using a dictionary."""
+    response = Mock()
+    response.json.return_value = {"key": "value"}
+    response.status_code = 408
+    response.content = "Error"
+
+    with pytest.raises(KeycloakOperationError):
+        raise_error_from_response(
+            response=response, error=dict(), expected_codes=[200], skip_exists=False
+        )
diff --git a/tests/test_uma_permissions.py b/tests/test_uma_permissions.py
index 14f6302..8179ff9 100644
--- a/tests/test_uma_permissions.py
+++ b/tests/test_uma_permissions.py
@@ -23,11 +23,11 @@ import pytest
 
 from keycloak.exceptions import KeycloakPermissionFormatError, PermissionDefinitionError
 from keycloak.uma_permissions import (
+    AuthStatus,
     Resource,
     Scope,
-    build_permission_param,
     UMAPermission,
-    AuthStatus,
+    build_permission_param,
 )