#!/usr/bin/env python

""" Assignment 2, Exercise 2, INF1340, Fall, 2015. DNA Sequencing

Test module for exercise2.py

"""

__author__ = 'Eden Rusnell & Ming Fu'

from exercise2 import find, multi_find

THEME_SONG = "It's gonna get a little weird" \

"I'm from another dimension!"

def test_find_basic():

assert find("This is an ex-parrot", "parrot", 0, 20) == 14

def test_multi_find_basic():

assert multi_find("Ni! Ni! Ni! Ni!", "Ni", 0, 20) == "0,4,8,12"

# test cases

# include instances where substring is found

# include instances where substring is not found

# does that refer to ones where the substring isn't present in the string?

# test cases where find should work normally

def test_find_normal():

assert find("I'm in class right now", "now", 0, 21) == 19

assert find(THEME_SONG, "dimension", 0, 337) == 92

# test cases where multi_find should work normally

def test_multi_find_normal():

assert multi_find(THEME_SONG, "weird", 0, 337) == "24,120,259"

assert multi_find(THEME_SONG, "wild", 0, 337) == "48,283"

# test cases where find should not work

def test_not_found_find():

assert find("I'm busy", "Jackson", 0, 7) == -1

# test cases where multi_find shouldn't work

def test_not_found_multi_find():

assert multi_find(THEME_SONG, "Star Butterfly", 0, 337) == ""

# test cases where the substring is not in the scope

def test_not_in_scope():

assert find("I am starving now.", "now", 0, 8) == -1

assert find("Class is warmer than my home.", "my", 0, -29) == -1

assert find("We need coffee.", "coffee", -1, -15) == -1

# test cases where the substring is not the the scope for multi_find

def test_not_in_multifind_scope():

assert multi_find(THEME_SONG, "weird", 0, 5) == ""

assert multi_find(THEME_SONG, "dimension", 0, 16) == ""

assert multi_find("We say Ni! We say Ni! We say Ni! We say Ni! We say Ni!", "Ni!", 0, 7) == ""