diff --git a/tests/__init__.py b/tests/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/tests/test_plane.py b/tests/test_plane.py
new file mode 100644
index 0000000..703ae9d
--- /dev/null
+++ b/tests/test_plane.py
@@ -0,0 +1,67 @@
+from math import isclose
+
+from pytest import fixture
+
+from tdcgal.plane.objects import *
+
+class TestPoint2D:
+
+    def setup_method(self):
+        self.point1 = Point2D(1.0, 2.0)
+        self.point2 = Point2D(3.0, 4.0)
+
+    def test_distance(self):
+        assert isclose(self.point1.distance_to_point(self.point2), 8 ** 0.5)
+
+    def test_x(self):
+        assert self.point1.x() == 1
+        assert self.point2.x() == 3
+
+    def test_y(self):
+        assert self.point1.y() == 2
+        assert self.point2.y() == 4
+"""
+
+class TestLine:
+    def setup_method(self):
+        self.line1 = Line((1, 3), (1, 4))
+        self.line2 = Line((1, 1), (2, 2))
+        self.line3 = Line((37, 5), (7, 29))
+
+    def test_slope(self):
+        assert self.line1.slope == float("inf")
+        assert self.line2.slope == 1
+
+    def test_y_intercept(self):
+        assert self.line1.y_intercept == float("inf")
+        assert self.line2.y_intercept == 0
+        assert self.line3.y_intercept == 34.6
+
+    def test_equation(self):
+        assert self.line1.expression == "1.0*x - 1.0 = 0"
+        assert self.line2.expression == "1.0*x - 1.0*y = 0"
+        assert self.line3.expression == "24.0*x + 30.0*y - 1038.0 = 0"
+
+    def test_contains(self):
+        assert (1, 5) not in self.line1
+        assert (1, 3.2) in self.line1
+        assert (1.45, 1.45) in self.line2
+        assert (3, 3) not in self.line2
+        assert (37, 5) in self.line3
+        assert (7, 29) in self.line3
+        assert (12, 25) in self.line3
+        assert (12, 12) not in self.line3
+        assert (3, 32.2) not in self.line3
+        assert self.line3.contains((6, 29.8), allow_on_extended=True)
+    
+    def test_length(self):
+        assert self.line1.length == 1
+        assert self.line2.length == 2 ** 0.5
+        assert isclose(self.line3.length, 38.41874542459709)
+
+    def test_distance(self):
+        assert self.line1.point_distance((1, 5)) == 1
+        assert self.line2.point_distance((1.5, 1.5)) == 0
+        assert isclose(self.line3.point_distance((12, 24)),0.780868809443030)
+
+"""
\ No newline at end of file