Tests 4 W05

Author: canbula

Week05/test_shifted.py

@@ -0,0 +1,103 @@
+import os
+import inspect
+
+
+files = [f for f in os.listdir(os.path.dirname(__file__)) if f.startswith("shifted")]
+for f in files:
+    exec("import " + f[:-3] + " as " + f[:-3])
+
+
+def test_names():
+    for f in files:
+        assert "shifted" in dir(eval(f[:-3])), (
+            "shifted is not defined in " + f[:-3]
+        )
+
+
+def test_callables():
+    for f in files:
+        assert callable(eval(f[:-3]).shifted), (
+            "shifted is not callable in " + f[:-3]
+        )
+
+
+def test_loc():
+    for f in files:
+        f = os.path.join(os.path.dirname(__file__), f)
+        with open(f, "r") as file:
+            loc = len(file.readlines())
+            assert loc < 10, "Too many lines in " + f[:-3]
+
+
+def test_perfect_samples():
+    perfect_samples = [
+        [1, 2, 3],
+        [1, 2, 3, 4, 5],
+        [1, 2, 3, 4, 5, 6, 7, 8, 9],
+    ]
+    for f in files:
+        for sample in perfect_samples:
+            assert eval(f[:-3]).shifted(sample) == 0, (
+                "The return value should be 0 for perfect samples in " + f[:-3]
+            )
+
+
+def test_low_shift():
+    low_shift = [
+        [1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 10],
+        [1, 2, 3, 4, 5, 6, 7, 8, 9, 9, 10],
+    ]
+    for f in files:
+        for sample in low_shift:
+            assert 0 < eval(f[:-3]).shifted(sample) < 20, (
+                "The return value should be between 0 and 10 for low shift in " + f[:-3]
+            )
+
+
+def test_moderate_shift():
+    moderate_shift = [
+        [1, 2, 5, 9, 30],
+        [1, 1, 1, 5, 9, 18],
+    ]
+    for f in files:
+        for sample in moderate_shift:
+            assert 20 < eval(f[:-3]).shifted(sample) < 50, (
+                "The return value should be between 10 and 20 for moderate shift in " + f[:-3]
+            )
+
+
+def test_high_shift():
+    high_shift = [
+        [1, 2, 2, 3, 4, 5, 5, 5, 6, 7, 8, 9, 100, 100, 100],
+        [2, 2, 2, 3, 4, 5, 5, 5, 6, 7, 8, 9, 90, 90, 100, 100],
+        [3, 2, 2, 3, 4, 5, 5, 5, 6, 7, 8, 9, 90, 90, 90, 90, 90],
+        [4, 2, 2, 3, 4, 5, 5, 5, 6, 7, 8, 9, 70, 70, 70, 80, 80, 80],
+    ]
+    for f in files:
+        for sample in high_shift:
+            assert 50 < eval(f[:-3]).shifted(sample) < 80, (
+                "The return value should be between 20 and 30 for high shift in " + f[:-3]
+            )
+
+
+def test_very_high_shift():
+    very_high_shift = [
+        [1, 2, 2, 3, 4, 5, 5, 5, 6, 7, 8, 9, 100, 100, 100, 100, 100],
+        [2, 2, 2, 3, 4, 5, 5, 5, 6, 7, 8, 9, 100, 100, 100, 100, 100],
+        [3, 2, 2, 3, 4, 5, 5, 5, 6, 7, 8, 9, 100, 100, 100, 100, 100, 100, 100],
+        [4, 2, 2, 3, 4, 5, 5, 5, 6, 7, 8, 9, 100, 100, 100, 100, 100, 100, 100],
+    ]
+    for f in files:
+        for sample in very_high_shift:
+            assert 80 < eval(f[:-3]).shifted(sample), (
+                "The return value should be between 30 and 40 for very high shift in " + f[:-3]
+            )
+
+
+def test_with_negative_numbers():
+    for f in files:
+        assert 0 < eval(f[:-3]).shifted(
+            [-1, -2, -2, -3, -4, -5, -5, -5, -6, -7, -8, -9, -100, -100, -100, -100]
+        ) > 0, (
+            "The return value should be positive even if the numbers are negative in " + f[:-3]
+        )