X-Git-Url: http://gitweb.michael.orlitzky.com/?a=blobdiff_plain;f=src%2FCidr.hs;h=5c9fefd66e6714c5a6eeeb62718ccffd668345b8;hb=0be56eaa64ab03adf3aa1f3f3c14a191c09045c8;hp=d772d5bcd5f469d48cda8ee396add0aba353d34a;hpb=266b4e80cdde311563da66fa14f7abe6ffa7e859;p=hath.git diff --git a/src/Cidr.hs b/src/Cidr.hs index d772d5b..5c9fefd 100644 --- a/src/Cidr.hs +++ b/src/Cidr.hs @@ -2,11 +2,13 @@ module Cidr ( Cidr(..), cidr_from_string, cidr_tests, - combine_all + combine_all, + prop_all_cidrs_contain_themselves ) where import Data.List (nubBy) import Test.HUnit +import Test.QuickCheck import IPv4Address import ListUtils @@ -25,6 +27,15 @@ instance Show Cidr where show cidr = (show (ipv4address cidr)) ++ "/" ++ (show (maskbits cidr)) +instance Arbitrary Cidr where + arbitrary = do + ipv4 <- arbitrary :: Gen IPv4Address + mask <- arbitrary :: Gen Maskbits + return (Cidr ipv4 mask) + + coarbitrary _ = variant 0 + + -- Two CIDR ranges are equivalent if they have the same network bits -- and the masks are the same. equivalent :: Cidr -> Cidr -> Bool @@ -179,11 +190,109 @@ adjacent cidr1 cidr2 -- HUnit Tests -test_contains = - TestCase $ assertEqual "10.1.1.0/23 contains 10.1.1.0/24" (cidr1 `contains` cidr2) True +test_equality1 :: Test +test_equality1 = + TestCase $ assertEqual "10.1.1.0/23 equals itself" True (cidr1 == cidr1) + where + cidr1 = cidr_from_string "10.1.1.0/23" + + +test_contains1 :: Test +test_contains1 = + TestCase $ assertEqual "10.1.1.0/23 contains 10.1.1.0/24" True (cidr1 `contains` cidr2) + where + cidr1 = cidr_from_string "10.1.1.0/23" + cidr2 = cidr_from_string "10.1.1.0/24" + + +test_contains2 :: Test +test_contains2 = + TestCase $ assertEqual "10.1.1.0/23 contains itself" True (cidr1 `contains` cidr1) + where + cidr1 = cidr_from_string "10.1.1.0/23" + + +test_contains_proper1 :: Test +test_contains_proper1 = + TestCase $ assertEqual "10.1.1.0/23 contains 10.1.1.0/24 properly" True (cidr1 `contains_proper` cidr2) + where + cidr1 = cidr_from_string "10.1.1.0/23" + cidr2 = cidr_from_string "10.1.1.0/24" + + +test_contains_proper2 :: Test +test_contains_proper2 = + TestCase $ assertEqual "10.1.1.0/23 does not contain itself properly" False (cidr1 `contains_proper` cidr1) where cidr1 = cidr_from_string "10.1.1.0/23" + + +test_adjacent1 :: Test +test_adjacent1 = + TestCase $ assertEqual "10.1.0.0/24 is adjacent to 10.1.1.0/24" True (cidr1 `adjacent` cidr2) + where + cidr1 = cidr_from_string "10.1.0.0/24" cidr2 = cidr_from_string "10.1.1.0/24" -cidr_tests = [ test_contains ] +test_adjacent2 :: Test +test_adjacent2 = + TestCase $ assertEqual "10.1.0.0/23 is not adjacent to 10.1.0.0/24" False (cidr1 `adjacent` cidr2) + where + cidr1 = cidr_from_string "10.1.0.0/23" + cidr2 = cidr_from_string "10.1.0.0/24" + + +test_adjacent3 :: Test +test_adjacent3 = + TestCase $ assertEqual "10.1.0.0/24 is not adjacent to 10.2.5.0/24" False (cidr1 `adjacent` cidr2) + where + cidr1 = cidr_from_string "10.1.0.0/24" + cidr2 = cidr_from_string "10.2.5.0/24" + + +test_adjacent4 :: Test +test_adjacent4 = + TestCase $ assertEqual "10.1.1.0/24 is not adjacent to 10.1.2.0/24" False (cidr1 `adjacent` cidr2) + where + cidr1 = cidr_from_string "10.1.1.0/24" + cidr2 = cidr_from_string "10.1.2.0/24" + + +test_combine_contained1 :: Test +test_combine_contained1 = + TestCase $ assertEqual "10.0.0.0/8, 10.1.0.0/16, and 10.1.1.0/24 combine to 10.0.0.0/8" expected_cidrs (combine_all test_cidrs) + where + cidr1 = cidr_from_string "10.0.0.0/8" + cidr2 = cidr_from_string "10.1.0.0/16" + cidr3 = cidr_from_string "10.1.1.0/24" + expected_cidrs = [cidr1] + test_cidrs = [cidr1, cidr2, cidr3] + + +test_combine_contained2 :: Test +test_combine_contained2 = + TestCase $ assertEqual "192.168.1.0/24 combines with itself" [cidr1] (combine_all [cidr1, cidr1]) + where + cidr1 = cidr_from_string "192.168.1.0/24" + + +cidr_tests :: [Test] +cidr_tests = [ test_equality1, + test_contains1, + test_contains2, + test_contains_proper1, + test_contains_proper2, + test_adjacent1, + test_adjacent2, + test_adjacent3, + test_adjacent4, + test_combine_contained1, + test_combine_contained2 + ] + + +-- QuickCheck Tests +prop_all_cidrs_contain_themselves :: Cidr -> Bool +prop_all_cidrs_contain_themselves cidr1 = cidr1 `contains` cidr1 +