tvl-depot/nix/utils/tests/default.nix
Vincent Ambo aa122cbae7 style: format entire depot with nixpkgs-fmt
This CL can be used to compare the style of nixpkgs-fmt against other
formatters (nixpkgs, alejandra).

Change-Id: I87c6abff6bcb546b02ead15ad0405f81e01b6d9e
Reviewed-on: https://cl.tvl.fyi/c/depot/+/4397
Tested-by: BuildkiteCI
Reviewed-by: sterni <sternenseemann@systemli.org>
Reviewed-by: lukegb <lukegb@tvl.fyi>
Reviewed-by: wpcarro <wpcarro@gmail.com>
Reviewed-by: Profpatsch <mail@profpatsch.de>
Reviewed-by: kanepyork <rikingcoding@gmail.com>
Reviewed-by: tazjin <tazjin@tvl.su>
Reviewed-by: cynthia <cynthia@tvl.fyi>
Reviewed-by: edef <edef@edef.eu>
Reviewed-by: eta <tvl@eta.st>
Reviewed-by: grfn <grfn@gws.fyi>
2022-01-31 16:11:53 +00:00

126 lines
4 KiB
Nix

{ depot, lib, ... }:
let
inherit (depot.nix.runTestsuite)
runTestsuite
it
assertEq
assertThrows
assertDoesNotThrow
;
inherit (depot.nix.utils)
isDirectory
realPathIsDirectory
isRegularFile
isSymlink
pathType
storePathName
;
assertUtilsPred = msg: act: exp: [
(assertDoesNotThrow "${msg} does not throw" act)
(assertEq msg (builtins.tryEval act).value exp)
];
pathPredicates = it "judges paths correctly" (lib.flatten [
# isDirectory
(assertUtilsPred "directory isDirectory"
(isDirectory ./directory)
true)
(assertUtilsPred "symlink not isDirectory"
(isDirectory ./symlink-directory)
false)
(assertUtilsPred "file not isDirectory"
(isDirectory ./directory/file)
false)
# realPathIsDirectory
(assertUtilsPred "directory realPathIsDirectory"
(realPathIsDirectory ./directory)
true)
(assertUtilsPred "symlink to directory realPathIsDirectory"
(realPathIsDirectory ./symlink-directory)
true)
(assertUtilsPred "realPathIsDirectory resolves chained symlinks"
(realPathIsDirectory ./symlink-symlink-directory)
true)
# isRegularFile
(assertUtilsPred "file isRegularFile"
(isRegularFile ./directory/file)
true)
(assertUtilsPred "symlink not isRegularFile"
(isRegularFile ./symlink-file)
false)
(assertUtilsPred "directory not isRegularFile"
(isRegularFile ./directory)
false)
# isSymlink
(assertUtilsPred "symlink to file isSymlink"
(isSymlink ./symlink-file)
true)
(assertUtilsPred "symlink to directory isSymlink"
(isSymlink ./symlink-directory)
true)
(assertUtilsPred "symlink to symlink isSymlink"
(isSymlink ./symlink-symlink-file)
true)
(assertUtilsPred "symlink to missing file isSymlink"
(isSymlink ./missing)
true)
(assertUtilsPred "directory not isSymlink"
(isSymlink ./directory)
false)
(assertUtilsPred "file not isSymlink"
(isSymlink ./directory/file)
false)
# missing files throw
(assertThrows "isDirectory throws on missing file"
(isDirectory ./does-not-exist))
(assertThrows "realPathIsDirectory throws on missing file"
(realPathIsDirectory ./does-not-exist))
(assertThrows "isRegularFile throws on missing file"
(isRegularFile ./does-not-exist))
(assertThrows "isSymlink throws on missing file"
(isSymlink ./does-not-exist))
]);
symlinkPathTypeTests = it "correctly judges symlinks" [
(assertEq "symlinks to directories are detected correcty"
((pathType ./symlink-directory).symlink or null) "directory")
(assertEq "symlinks to symlinks to directories are detected correctly"
((pathType ./symlink-symlink-directory).symlink or null) "directory")
(assertEq "symlinks to files are detected-ish"
((pathType ./symlink-file).symlink or null) "regular-or-missing")
(assertEq "symlinks to symlinks to files are detected-ish"
((pathType ./symlink-symlink-file).symlink or null) "regular-or-missing")
(assertEq "symlinks to nowhere are not distinguished from files"
((pathType ./missing).symlink or null) "regular-or-missing")
];
cheddarStorePath =
builtins.unsafeDiscardStringContext depot.tools.cheddar.outPath;
cleanedSource = lib.cleanSource ./.;
storePathNameTests = it "correctly gets the basename of a store path" [
(assertEq "base name of a derivation"
(storePathName depot.tools.cheddar)
depot.tools.cheddar.name)
(assertEq "base name of a store path string"
(storePathName cheddarStorePath)
depot.tools.cheddar.name)
(assertEq "base name of a path within a store path"
(storePathName "${cheddarStorePath}/bin/cheddar") "cheddar")
(assertEq "base name of a path"
(storePathName ../default.nix) "default.nix")
(assertEq "base name of a cleanSourced path"
(storePathName cleanedSource)
cleanedSource.name)
];
in
runTestsuite "nix.utils" [
pathPredicates
symlinkPathTypeTests
storePathNameTests
]