diff --git a/.gitignore b/.gitignore
index 496ee2c..9605ff6 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1 +1,5 @@
-.DS_Store
\ No newline at end of file
+.DS_Store
+tests/.tmp
+.pytest_cache
+.vscode
+__pycache__
\ No newline at end of file
diff --git a/tests/res/inputs/ex1.csv b/tests/res/inputs/ex1.csv
new file mode 100644
index 0000000..a9aed26
--- /dev/null
+++ b/tests/res/inputs/ex1.csv
@@ -0,0 +1,8 @@
+Task,BCET,WCET,Period,Deadline,Priority
+T1,0,1,6,6,1
+T2,3,4,60,60,7
+T3,1,1,10,10,2
+T4,1,2,12,12,3
+T5,1,2,15,15,4
+T6,1,3,20,20,5
+T7,1,4,30,30,6
diff --git a/tests/res/inputs/ex2.csv b/tests/res/inputs/ex2.csv
new file mode 100644
index 0000000..8b13789
--- /dev/null
+++ b/tests/res/inputs/ex2.csv
@@ -0,0 +1 @@
+
diff --git a/tests/res/inputs/ex3.csv b/tests/res/inputs/ex3.csv
new file mode 100644
index 0000000..e69de29
diff --git a/tests/res/solutions/ex1_s.csv b/tests/res/solutions/ex1_s.csv
new file mode 100644
index 0000000..82d76d8
--- /dev/null
+++ b/tests/res/solutions/ex1_s.csv
@@ -0,0 +1,8 @@
+Task,WCRT,Deadline,Status
+T1,1.0,6,true
+T2,54.0,60,true
+T3,2.0,10,true
+T4,4.0,12,true
+T5,6.0,15,true
+T6,10.0,20,true
+T7,28.0,30,true
diff --git a/tests/res/solutions/ex2_s.csv b/tests/res/solutions/ex2_s.csv
new file mode 100644
index 0000000..27cee2c
--- /dev/null
+++ b/tests/res/solutions/ex2_s.csv
@@ -0,0 +1,12 @@
+Task,WCRT,Deadline,Status
+T1,1.0,15,true
+T2,3.0,20,true
+T3,6.0,25,true
+T4,10.0,30,true
+T5,15.0,50,true
+T6,23.0,60,true
+T7,37.0,75,true
+T8,49.0,100,true
+T9,98.0,120,true
+T10,197.0,150,false
+T11,580.0,300,false
diff --git a/tests/res/solutions/ex3_s.csv b/tests/res/solutions/ex3_s.csv
new file mode 100644
index 0000000..bd4875b
--- /dev/null
+++ b/tests/res/solutions/ex3_s.csv
@@ -0,0 +1,10 @@
+Task,WCRT,Deadline,Status
+T1,3.0,40,true
+T2,10.0,80,true
+T3,23.0,100,true
+T4,44.0,160,true
+T5,66.0,200,true
+T6,116.0,300,true
+T7,148.0,320,true
+T8,258.0,400,true
+T9,296.0,480,true
diff --git a/tests/test_exercises.py b/tests/test_exercises.py
new file mode 100644
index 0000000..59ee4ca
--- /dev/null
+++ b/tests/test_exercises.py
@@ -0,0 +1,62 @@
+import os
+import pandas as pd
+
+# TODO: add import for the function
+
+
+def test_exercise_1():
+    run_test("ex1")
+
+def test_exercise_2():
+    run_test("ex2")
+
+def test_exercise_3():
+    run_test("ex3")
+
+def run_test(filename:str):
+    solution_file = os.path.join(get_res_path(),"solutions",f"{filename}_s.csv")
+
+    input_file = os.path.join(get_res_path(),"inputs",f"{filename}.csv")
+    output_file = os.path.join(get_tmp_path(),f"{filename}_s.csv")
+
+    # TODO: call the function to test
+
+    output_df = pd.read_csv(output_file)
+    solution_df = pd.read_csv(solution_file)
+
+    print(f"Output dataframe shape: {output_df.shape}")
+    print(f"Solution dataframe shape: {solution_df.shape}")
+    if not output_df.shape == solution_df.shape:
+        print("Error: dataframe shape are different")
+        assert(False)
+
+    print("Output dataframe:")
+    print(output_df)
+    print("==============================")
+
+    print("Solution dataframe:")
+    print(solution_df)
+    print("==============================")
+    assert(output_df.equals(solution_df))    
+
+def get_root():
+    '''
+    Get the project root
+    '''
+    return os.path.dirname(os.path.dirname(__file__))
+
+def get_res_path():
+    '''
+    Get the absoulte path of the tests/res folder
+    '''
+    return os.path.join(get_root(),"tests","res")
+
+def get_tmp_path():
+    '''
+    Get the absoulte path of the tests/.tmp folder.
+    If it doesn't exist it creates it
+    '''
+    tmp_path = os.path.join(get_root(), "tests", ".tmp")
+    if not os.path.exists(tmp_path):
+        os.makedirs(tmp_path)
+    return tmp_path
\ No newline at end of file
diff --git a/tests/test_main.py b/tests/test_main.py
deleted file mode 100644
index 52c2135..0000000
--- a/tests/test_main.py
+++ /dev/null
@@ -1,2 +0,0 @@
-def test_main():
-    assert True
\ No newline at end of file