Added a test for the Caesar class

testPypherStream.py

@@ -0,0 +1,111 @@
+#Python/PypherStream/testPypherStream.py
+#Matthew Ellison
+# Created: 03-31-19
+#Modified: 03-31-19
+#This is a script to test the PypherStream project
+#It starts by testing the individual classes then the larger program
+
+
+from Stopwatch import Stopwatch
+from Caesar import Caesar
+from Playfair import Playfair
+
+
+#Test the Caesar cipher
+def caesarTest():
+	cipher = Caesar()
+	passed = True
+	inputString = ""	#Holds the string to be input into the cipher
+	outputString = ""	#Holds the string that the cipher is expected to output
+	cipherString = ""	#Holds the string the the cipher actually output
+
+	#Test all lowercase
+	inputString = "abcdefghijklmnopqrstuvwxyz"
+	outputString = "defghijklmnopqrstuvwxyzabc"
+	#Try the encoding
+	cipherString = cipher.encode(3, inputString)
+	if(cipherString != outputString):
+		print("Caesar failed the first encoding test")
+		passed = False
+	#Try it decoding
+	cipherString = cipher.decode(3, outputString)
+	if(cipherString != inputString):
+		print("Caesar failed the first decoding test")
+		passed = False
+
+	#Test all uppercase
+	inputString = "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
+	outputString = "XYZABCDEFGHIJKLMNOPQRSTUVW"
+	#Try encoding
+	cipherString = cipher.encode(-3, inputString)
+	if(cipherString != outputString):
+		print("Caesar failed the second encoding test")
+		passed = False
+	#Try decoding
+	cipherString = cipher.decode(-3, outputString)
+	if(cipherString != inputString):
+		print("Caesar failed the second decoding test")
+		passed = False
+
+	#Test both cases
+	inputString = "AbCdEfGhIjKlMnOpQrStUvWxYz"
+	outputString = "DeFgHiJkLmNoPqRsTuVwXyZaBc"
+	#Try encoding
+	cipherString = cipher.encode(3, inputString)
+	if(cipherString != outputString):
+		print("Caesar failed the thrid encoding test")
+		passed = False
+	#Try decoding
+	cipherString = cipher.decode(3, outputString)
+	if(cipherString != inputString):
+		print("Caesar failed the third decoding test")
+		passed = False
+
+	#Punctuation
+	inputString = "abc,def. rst; wxyz"
+	outputString = "def,ghi. uvw; zabc"
+	#Try encoding
+	cipherString = cipher.encode(3, inputString)
+	if(cipherString != outputString):
+		print("Caesar failed the fourth encoding test")
+		passed = False
+	#Try decoding
+	cipherString = cipher.decode(3, outputString)
+	if(cipherString != inputString):
+		print("Caesar failed the fourth decoding test")
+		passed = False
+
+	#Something different
+	inputString = "you"
+	outputString = "iye"
+	#Try encoding
+	cipherString = cipher.encode(10, inputString)
+	if(cipherString != outputString):
+		print("Caesar failed the fifth encoding test")
+		passed = False
+	#Try decoding
+	cipherString = cipher.decode(10, outputString)
+	if(cipherString != inputString):
+		print("Caesar failed the fifth decoding test")
+		passed = False
+
+	#Print a message if there were no errors
+	if(passed):
+		print("Caesar passed all tests")
+
+#Run all the appropriate tests in the right order
+if __name__ == "__main__":
+	#Create a timer to check the time of the tests
+	timer = Stopwatch()
+
+	#Test the Caesar cipher
+	timer.start()
+	caesarTest()
+	timer.stop()
+	print("It took " + timer.getString() + " to run this test\n")
+
+
+""" Results:
+Caesar passed all tests
+It took 550.300 microseconds to run this test
+"""