23 lines
733 B
Haskell
23 lines
733 B
Haskell
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module Property.File where
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import Property
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{- Replaces all the content of a file. -}
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hasContent :: FilePath -> [Line] -> Property
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f `hasContent` newcontent = FileProperty ("replace " ++ f)
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f (\_oldcontent -> newcontent)
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{- Ensures that a line is present in a file, adding it to the end if not. -}
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containsLine :: FilePath -> Line -> Property
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f `containsLine` l = FileProperty (f ++ " contains:" ++ l) f go
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where
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go ls
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| l `elem` ls = ls
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| otherwise = ls++[l]
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{- Ensures that a line is not present in a file.
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- Note that the file is ensured to exist, so if it doesn't, an empty
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- file will be written. -}
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lacksLine :: FilePath -> Line -> Property
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f `lacksLine` l = FileProperty (f ++ " remove: " ++ l) f (filter (/= l))
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