diff --git a/tests/__init__.py b/tests/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/tests/test_FileTarget.py b/tests/test_FileTarget.py
new file mode 100644
index 0000000..3ae8dcd
--- /dev/null
+++ b/tests/test_FileTarget.py
@@ -0,0 +1,21 @@
+from unittest import TestCase
+from esbo_etc.classes.target.FileTarget import FileTarget
+from esbo_etc.classes.SpectralQty import SpectralQty
+import astropy.units as u
+import numpy as np
+
+
+class TestFileTarget(TestCase):
+    def setUp(self):
+        self.target = FileTarget("data/target/target_demo_1.csv")
+
+
+class TestInit(TestFileTarget):
+    def test_signal(self):
+        signal = SpectralQty(np.arange(200, 210, 1) * u.nm,
+                             np.arange(1.1e-15, 2.0e-15, 1e-16) << u.W / (u.m ** 2 * u.nm))
+        self.assertTrue(self.target.calcSignal().__eq__(signal))
+
+    def test_noise(self):
+        noise = SpectralQty(list(range(200, 210, 1)) * u.nm, [0] * 10 << u.W / (u.m ** 2 * u.nm * u.sr))
+        self.assertEqual(self.target.calcNoise(), noise)