forked from cs327e-spring-2014/collatz-tests
/
ras3638-TestCollatz.py
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/
ras3638-TestCollatz.py
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#!/usr/bin/env python3
# -------------------------------
# projects/collatz/TestCollatz.py
# Copyright (C) 2014
# Glenn P. Downing
# -------------------------------
"""
To test the program:
% python TestCollatz.py > TestCollatz.out
% chmod ugo+x TestCollatz.py
% TestCollatz.py > TestCollatz.out
"""
# -------
# imports
# -------
import io
import unittest
from Collatz import collatz_read, collatz_eval, collatz_print, collatz_solve, collatz_eval_helper, collatz_eval_startLength
# -----------
# TestCollatz
# -----------
class TestCollatz (unittest.TestCase) :
# ----
# read
# ----
def test_read_1 (self) :
#Original test_read case given
r = io.StringIO("1 10\n")
a = [0, 0]
b = collatz_read(r, a)
i, j = a
self.assertTrue(b == True)
self.assertTrue(i == 1)
self.assertTrue(j == 10)
def test_read_2 (self) :
#Original test_read given
r = io.StringIO("100 200\n")
a = [0, 0]
b = collatz_read(r, a)
i, j = a
self.assertTrue(b == True)
self.assertTrue(i == 100)
self.assertTrue(j == 200)
def test_read_3 (self) :
#Original test_read given
r = io.StringIO("201 210\n")
a = [0, 0]
b = collatz_read(r, a)
i, j = a
self.assertTrue(b == True)
self.assertTrue(i == 201)
self.assertTrue(j == 210)
def test_read_4 (self) :
#Original test_read given
r = io.StringIO("900 1000\n")
a = [0, 0]
b = collatz_read(r, a)
i, j = a
self.assertTrue(b == True)
self.assertTrue(i == 900)
self.assertTrue(j == 1000)
def test_read_5 (self) :
#Corner test 1 for test_read
r = io.StringIO("999999 1\n")
a = [0, 0]
b = collatz_read(r, a)
i, j = a
self.assertTrue(b == True)
self.assertTrue(i == 999999)
self.assertTrue(j == 1)
def test_read6 (self) :
#Corner test 2 for test_read
r = io.StringIO("1 2\n")
a = [0, 0]
b = collatz_read(r, a)
i, j = a
self.assertTrue(b == True)
self.assertTrue(i == 1)
self.assertTrue(j == 2)
def test_read_7 (self) :
#Corner test 3 for test_read case
r = io.StringIO("99 100\n")
a = [0, 0]
b = collatz_read(r, a)
i, j = a
self.assertTrue(b == True)
self.assertTrue(i == 99)
self.assertTrue(j == 100)
# ----
# eval
# ----
def test_eval_1 (self) :
#Original test_eval given
v = collatz_eval(1, 10)
self.assertTrue(v == 20)
def test_eval_2 (self) :
#Original test_eval given
v = collatz_eval(100, 200)
self.assertTrue(v == 125)
def test_eval_3 (self) :
#Original test_eval given
v = collatz_eval(201, 210)
self.assertTrue(v == 89)
def test_eval_4 (self) :
#Original test_eval given
v = collatz_eval(900, 1000)
self.assertTrue(v == 174)
def test_eval_5 (self) :
#Corner test 1 for test_eval
v = collatz_eval(999999, 1)
self.assertTrue(v == 525)
def test_eval_6 (self) :
#Corner test 2 for test_eval
v = collatz_eval(1, 2)
self.assertTrue(v == 2)
def test_eval_7 (self) :
#Corner test 3 for test_eval
v = collatz_eval(99, 100)
self.assertTrue(v == 26)
# -----
# eval_helper
# -----
def test_eval_startLength1 (self) :
#Corner test for test_eval_helper
v = collatz_eval_startLength(1,20)
self.assertTrue(v == 10)
def test_eval_startLength2 (self) :
#Corner test for test_eval_helper
v = collatz_eval_startLength(3,6)
self.assertTrue(v == 3)
def test_eval_startLength3 (self) :
#Corner test for test_eval_helper
v = collatz_eval_startLength(100, 900)
self.assertTrue(v == 450)
# -----
# eval_helper
# -----
def test_eval_helper1 (self) :
#Corner test for test_eval_helper
v = collatz_eval_helper(1,10)
self.assertTrue(v == 20)
def test_eval_helper2 (self) :
#Corner test for test_eval_helper
v = collatz_eval_helper(100,200)
self.assertTrue(v == 125)
def test_eval_helper3 (self) :
#Corner test for test_eval_helper
v = collatz_eval_helper(201, 210)
self.assertTrue(v == 89)
# -----
# print
# -----
def test_print_1 (self) :
#Original test_print given
w = io.StringIO()
collatz_print(w, 1, 10, 20)
self.assertTrue(w.getvalue() == "1 10 20\n")
def test_print_2 (self) :
#Original test_print given
w = io.StringIO()
collatz_print(w, 100, 200, 125)
self.assertTrue(w.getvalue() == "100 200 125\n")
def test_print_3 (self) :
#Original test_print given
w = io.StringIO()
collatz_print(w, 201, 210, 89)
self.assertTrue(w.getvalue() == "201 210 89\n")
def test_print_4 (self) :
#Original test_print given
w = io.StringIO()
collatz_print(w, 900, 1000, 174)
self.assertTrue(w.getvalue() == "900 1000 174\n")
def test_print_5 (self) :
#Corner test 1 for test_print
w = io.StringIO()
collatz_print(w, 999999, 1, 525)
self.assertTrue(w.getvalue() == "999999 1 525\n")
def test_print_6 (self) :
#Corner test 2 for test_print
w = io.StringIO()
collatz_print(w, 1, 2, 2)
self.assertTrue(w.getvalue() == "1 2 2\n")
def test_print_7 (self) :
#Corner test 3 for test_print
w = io.StringIO()
collatz_print(w, 99, 100, 26)
self.assertTrue(w.getvalue() == "99 100 26\n")
# -----
# solve
# -----
def test_solve_1 (self) :
#Original test_solve given
r = io.StringIO("1 10\n100 200\n201 210\n900 1000\n")
w = io.StringIO()
collatz_solve(r, w)
self.assertTrue(w.getvalue() == "1 10 20\n100 200 125\n201 210 89\n900 1000 174\n")
def test_solve_2 (self) :
#Corner test 1 for test_solve
r = io.StringIO("999999 1\n1 2\n99 100\n")
w = io.StringIO()
collatz_solve(r, w)
self.assertTrue(w.getvalue() == "999999 1 525\n1 2 2\n99 100 26\n")
def test_solve_3(self) :
#Corner test 2 for test_solve
r = io.StringIO("555 655\n4 5\n200000 300000\n")
w = io.StringIO()
collatz_solve(r, w)
self.assertTrue(w.getvalue() == "555 655 145\n4 5 6\n200000 300000 443\n")
def test_solve_4(self) :
#Corner test 3 for test_solve
r = io.StringIO("7 10\n10 7\n150000 10000\n11 17\n")
w = io.StringIO()
collatz_solve(r, w)
self.assertTrue(w.getvalue() == "7 10 20\n10 7 20\n150000 10000 375\n11 17 18\n")
print("Done.")
# ----
# main
# ----
print("TestCollatz.py")
unittest.main()