Student 14 branch

bootcamp/contrib/student_14.py

@@ -0,0 +1,19 @@
+def getAverageLength(string, string2):
+    """ Get the average length of two strings
+
+    Parameters
+    ----------
+    string : str
+        The first string to count
+    string2 : str
+        The second string to count
+
+    Returns
+    -------
+    float
+        Average of length
+    """
+
+    avg = (len(string) + len(string2)) / 2
+
+    return avg

bootcamp/contrib/tests/test_student_14.py

@@ -0,0 +1,28 @@
+from bootcamp.contrib.student_14 import getAverageLength # noqa
+
+
+def test_getAverageLength_diff():
+    test_string = "AGTCTG"
+    test_string2 = "ATCGTCGGA"
+
+    expected_average = 7.5
+    observed_average = getAverageLength(test_string, test_string2)
+    assert expected_average == observed_average
+
+
+def test_getAverageLength_same():
+    test_string = "ACT"
+    test_string2 = "ACT"
+
+    expected_average = 3
+    observed_average = getAverageLength(test_string, test_string2)
+    assert expected_average == observed_average
+
+
+def test_getAverageLength_zero():
+    test_string = ""
+    test_string2 = ""
+
+    expected_average = 0.0
+    observed_average = getAverageLength(test_string, test_string2)
+    assert expected_average == observed_average

bootcamp/core/student_14.py

@@ -6,7 +6,7 @@ def count_substring(string, substring):
     string : str
         The string to count within
     substring : str
-        The value to count in string
+        The value to count in string, case insensitive
 
     Returns
     -------
@@ -16,6 +16,9 @@ def count_substring(string, substring):
     """
     count = 0
 
+    string = string.upper()
+    substring = substring.upper()
+
     string_length = len(string)
     substring_length = len(substring)
     n_subsequences = string_length - substring_length + 1

bootcamp/core/tests/test_student_14.py

@@ -26,3 +26,30 @@ def test_count_substring_none():
     expected_count = 0
     observed_count = count_substring(test_string, test_substring)
     assert expected_count == observed_count
+
+
+def test_count_substring_case_cap():
+    test_string = "CGCTAGCGT"
+    test_substring = "CGT"
+
+    expected_count = 1
+    observed_count = count_substring(test_string, test_substring)
+    assert expected_count == observed_count
+
+
+def test_count_substring_case_lower():
+    test_string = "CGCTAGCGT"
+    test_substring = "cgt"
+
+    expected_count = 1
+    observed_count = count_substring(test_string, test_substring)
+    assert expected_count == observed_count
+
+
+def test_count_substring_case_mix():
+    test_string = "CGCTAGCGT"
+    test_substring = "CgT"
+
+    expected_count = 1
+    observed_count = count_substring(test_string, test_substring)
+    assert expected_count == observed_count