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rea764-TestCollatz.py
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rea764-TestCollatz.py
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#!/usr/bin/env python3
# -------------------------------
# projects/collatz/TestCollatz.py
# Copyright (C) 2016
# Glenn P. Downing
# -------------------------------
# https://docs.python.org/3.4/reference/simple_stmts.html#grammar-token-assert_stmt
# -------
# imports
# -------
from io import StringIO
from unittest import main, TestCase
from Collatz import collatz_read, collatz_eval, collatz_print, collatz_solve, collatz_length
# -----------
# TestCollatz
# -----------
class TestCollatz(TestCase):
"""
All test cases
"""
# ----
# read
# ----
def test_read_1(self):
"""
Test 1 to see if read
is correct
"""
string = "1 10\n"
minim, maxim = collatz_read(string)
self.assertEqual(minim, 1)
self.assertEqual(maxim, 10)
def test_read_2(self):
"""
Test 2 to see if read
is correct
"""
string = "100 200\n"
minim, maxim = collatz_read(string)
self.assertEqual(minim, 100)
self.assertEqual(maxim, 200)
def test_read_3(self):
"""
Test 3 to see if read
is correct
"""
string = "100000 200000\n"
minim, maxim = collatz_read(string)
self.assertEqual(minim, 100000)
self.assertEqual(maxim, 200000)
# ----
# eval
# ----
def test_eval_1(self):
"""
Test 1 to see if
evaluating correctly
"""
verify = collatz_eval(1, 10)
self.assertEqual(verify, 20)
def test_eval_2(self):
"""
Test 2 to see if
evaluating correctly
"""
verify = collatz_eval(100, 200)
self.assertEqual(verify, 125)
def test_eval_3(self):
"""
Test 3 to see if
evaluating correctly
"""
verify = collatz_eval(201, 210)
self.assertEqual(verify, 89)
def test_eval_4(self):
"""
Test 4 to see if
evaluating correctly
"""
verify = collatz_eval(900, 1000)
self.assertEqual(verify, 174)
# -----
# print
# -----
#Test if print is working
def test_print_1(self):
"""
Test 1 to see if
printing correctly
"""
write = StringIO()
collatz_print(write, 1, 10, 20)
self.assertEqual(write.getvalue(), "1 10 20\n")
def test_print_2(self):
"""
Test 2 to see if
evaluating correctly
"""
write = StringIO()
collatz_print(write, 100, 200, 125)
self.assertEqual(write.getvalue(), "100 200 125\n")
def test_print_3(self):
"""
Test 3 to see if
evaluating correctly
"""
write = StringIO()
collatz_print(write, 201, 210, 89)
self.assertEqual(write.getvalue(), "201 210 89\n")
# -----
# solve
# -----
def test_solve_1(self):
"""
Test 1 to see if
total process is
correct
"""
read = StringIO("1 10\n100 200\n201 210\n900 1000\n")
write = StringIO()
collatz_solve(read, write)
self.assertEqual(write.getvalue(), "1 10 20\n100 200 125\n201 210 89\n900 1000 174\n")
def test_solve_2(self):
"""
Test 2 to see if
total process is
correct
"""
read = StringIO("54 9000\n234903 950943\n809454 934904\n")
write = StringIO()
collatz_solve(read, write)
self.assertEqual(write.getvalue(), "54 9000 262\n234903 950943 525\n809454 934904 525\n")
def test_solve_3(self):
"""
Test 3 to see if
total process is
correct
"""
read = StringIO("483 3490\n123 4903\n650 5098\n")
write = StringIO()
collatz_solve(read, write)
self.assertEqual(write.getvalue(), "483 3490 217\n123 4903 238\n650 5098 238\n")
# -----
# length
# -----
def test_length_1(self):
"""
Test 1 to see if
lenth for value is
correct
"""
verify = collatz_length(100)
self.assertEqual(verify, 26)
def test_length_2(self):
"""
Test 2 to see if
lenth for value is
correct
"""
verify = collatz_length(43)
self.assertEqual(verify, 30)
def test_length_3(self):
"""
Test 3 to see if
lenth for value is
correct
"""
verify = collatz_length(350)
self.assertEqual(verify, 82)
# ----
# main
# ----
if __name__ == "__main__":
main()