fix use of hifalutin terminology

Git/Filename.hs

@@ -24,5 +24,5 @@ encode :: FilePath -> String
 encode s = "\"" ++ encode_c s ++ "\""
 
 {- for quickcheck -}
-prop_idempotent_deencode :: String -> Bool
-prop_idempotent_deencode s = s == decode (encode s)
+prop_isomorphic_deencode :: String -> Bool
+prop_isomorphic_deencode s = s == decode (encode s)

Locations.hs

@@ -67,7 +67,7 @@ module Locations (
 	hashDirLower,
 	preSanitizeKeyName,
 
-	prop_idempotent_fileKey
+	prop_isomorphic_fileKey
 ) where
 
 import Data.Char
@@ -437,8 +437,8 @@ fileKey file = file2key $
 		replace "&c" ":" $ replace "%" "/" file
 
 {- for quickcheck -}
-prop_idempotent_fileKey :: String -> Bool
-prop_idempotent_fileKey s
+prop_isomorphic_fileKey :: String -> Bool
+prop_isomorphic_fileKey s
 	| null s = True -- it's not legal for a key to have no keyName
 	| otherwise= Just k == fileKey (keyFile k)
   where

Logs/Remote.hs

@@ -14,7 +14,7 @@ module Logs.Remote (
 	showConfig,
 	parseConfig,
 
-	prop_idempotent_configEscape,
+	prop_isomorphic_configEscape,
 	prop_parse_show_Config,
 ) where
 
@@ -84,8 +84,8 @@ configUnEscape = unescape
 		rest = drop 1 r
 
 {- for quickcheck -}
-prop_idempotent_configEscape :: String -> Bool
-prop_idempotent_configEscape s = s == (configUnEscape . configEscape) s
+prop_isomorphic_configEscape :: String -> Bool
+prop_isomorphic_configEscape s = s == (configUnEscape . configEscape) s
 
 prop_parse_show_Config :: RemoteConfig -> Bool
 prop_parse_show_Config c

Test.hs

@@ -131,14 +131,14 @@ tests = testGroup "Tests"
 
 properties :: TestTree
 properties = localOption (QuickCheckTests 1000) $ testGroup "QuickCheck"
-	[ testProperty "prop_idempotent_deencode_git" Git.Filename.prop_idempotent_deencode
-	, testProperty "prop_idempotent_deencode" Utility.Format.prop_idempotent_deencode
-	, testProperty "prop_idempotent_fileKey" Locations.prop_idempotent_fileKey
-	, testProperty "prop_idempotent_key_encode" Types.Key.prop_idempotent_key_encode
-	, testProperty "prop_idempotent_key_decode" Types.Key.prop_idempotent_key_decode
-	, testProperty "prop_idempotent_shellEscape" Utility.SafeCommand.prop_idempotent_shellEscape
-	, testProperty "prop_idempotent_shellEscape_multiword" Utility.SafeCommand.prop_idempotent_shellEscape_multiword
-	, testProperty "prop_idempotent_configEscape" Logs.Remote.prop_idempotent_configEscape
+	[ testProperty "prop_isomorphic_deencode_git" Git.Filename.prop_isomorphic_deencode
+	, testProperty "prop_isomorphic_deencode" Utility.Format.prop_isomorphic_deencode
+	, testProperty "prop_isomorphic_fileKey" Locations.prop_isomorphic_fileKey
+	, testProperty "prop_isomorphic_key_encode" Types.Key.prop_isomorphic_key_encode
+	, testProperty "prop_isomorphic_key_decode" Types.Key.prop_isomorphic_key_decode
+	, testProperty "prop_isomorphic_shellEscape" Utility.SafeCommand.prop_isomorphic_shellEscape
+	, testProperty "prop_isomorphic_shellEscape_multiword" Utility.SafeCommand.prop_isomorphic_shellEscape_multiword
+	, testProperty "prop_isomorphic_configEscape" Logs.Remote.prop_isomorphic_configEscape
 	, testProperty "prop_parse_show_Config" Logs.Remote.prop_parse_show_Config
 	, testProperty "prop_upFrom_basics" Utility.Path.prop_upFrom_basics
 	, testProperty "prop_relPathDirToFile_basics" Utility.Path.prop_relPathDirToFile_basics

Types/Key.hs

@@ -18,8 +18,8 @@ module Types.Key (
 	isChunkKey,
 	isKeyPrefix,
 
-	prop_idempotent_key_encode,
-	prop_idempotent_key_decode
+	prop_isomorphic_key_encode,
+	prop_isomorphic_key_decode
 ) where
 
 import System.Posix.Types
@@ -135,11 +135,11 @@ instance Hashable Key where
 	hashIO32 = hashIO32 . key2file
 	hashIO64 = hashIO64 . key2file
 
-prop_idempotent_key_encode :: Key -> Bool
-prop_idempotent_key_encode k = Just k == (file2key . key2file) k
+prop_isomorphic_key_encode :: Key -> Bool
+prop_isomorphic_key_encode k = Just k == (file2key . key2file) k
 
-prop_idempotent_key_decode :: FilePath -> Bool
-prop_idempotent_key_decode f
+prop_isomorphic_key_decode :: FilePath -> Bool
+prop_isomorphic_key_decode f
 	| normalfieldorder = maybe True (\k -> key2file k == f) (file2key f)
 	| otherwise = True
   where

Utility/Format.hs

@@ -11,7 +11,7 @@ module Utility.Format (
 	format,
 	decode_c,
 	encode_c,
-	prop_idempotent_deencode
+	prop_isomorphic_deencode
 ) where
 
 import Text.Printf (printf)
@@ -174,5 +174,5 @@ encode_c' p = concatMap echar
 	showoctal i = '\\' : printf "%03o" i
 
 {- for quickcheck -}
-prop_idempotent_deencode :: String -> Bool
-prop_idempotent_deencode s = s == decode_c (encode_c s)
+prop_isomorphic_deencode :: String -> Bool
+prop_isomorphic_deencode s = s == decode_c (encode_c s)

Utility/SafeCommand.hs

@@ -105,10 +105,10 @@ shellUnEscape s = word : shellUnEscape rest
 		| otherwise = inquote q (w++[c]) cs
 
 -- | For quickcheck.
-prop_idempotent_shellEscape :: String -> Bool
-prop_idempotent_shellEscape s = [s] == (shellUnEscape . shellEscape) s
-prop_idempotent_shellEscape_multiword :: [String] -> Bool
-prop_idempotent_shellEscape_multiword s = s == (shellUnEscape . unwords . map shellEscape) s
+prop_isomorphic_shellEscape :: String -> Bool
+prop_isomorphic_shellEscape s = [s] == (shellUnEscape . shellEscape) s
+prop_isomorphic_shellEscape_multiword :: [String] -> Bool
+prop_isomorphic_shellEscape_multiword s = s == (shellUnEscape . unwords . map shellEscape) s
 
 -- | Segments a list of filenames into groups that are all below the maximum
 --  command-line length limit.