tvl-depot/nix/utils/tests/default.nix
sterni bef796d1d9 test(nix/utils): unit test storePathName
Change-Id: I4208cf9e3c5e1d922ee5b5bffd034e4ac6d0e2c0
Reviewed-on: https://cl.tvl.fyi/c/depot/+/3543
Tested-by: BuildkiteCI
Reviewed-by: tazjin <mail@tazj.in>
2021-09-17 11:00:09 +00:00

79 lines
2.5 KiB
Nix

{ depot, lib, ... }:
let
inherit (depot.nix.runTestsuite)
runTestsuite
it
assertEq
assertThrows
assertDoesNotThrow
;
inherit (depot.nix.utils)
isDirectory
isRegularFile
isSymlink
storePathName
;
assertUtilsPred = msg: act: exp: [
(assertDoesNotThrow "${msg} does not throw" act)
(assertEq msg (builtins.tryEval act).value exp)
];
pathPredicates = it "judges paths correctly" (lib.flatten [
# isDirectory
(assertUtilsPred "directory isDirectory"
(isDirectory ./directory) true)
(assertUtilsPred "symlink not isDirectory"
(isDirectory ./symlink-directory) false)
(assertUtilsPred "file not isDirectory"
(isDirectory ./directory/file) false)
# isRegularFile
(assertUtilsPred "file isRegularFile"
(isRegularFile ./directory/file) true)
(assertUtilsPred "symlink not isRegularFile"
(isRegularFile ./symlink-file) false)
(assertUtilsPred "directory not isRegularFile"
(isRegularFile ./directory) false)
# isSymlink
(assertUtilsPred "symlink to file isSymlink"
(isSymlink ./symlink-file) true)
(assertUtilsPred "symlink to directory isSymlink"
(isSymlink ./symlink-directory) true)
(assertUtilsPred "symlink to symlink isSymlink"
(isSymlink ./symlink-symlink-file) true)
(assertUtilsPred "symlink to missing file isSymlink"
(isSymlink ./missing) true)
(assertUtilsPred "directory not isSymlink"
(isSymlink ./directory) false)
(assertUtilsPred "file not isSymlink"
(isSymlink ./directory/file) false)
# missing files throw
(assertThrows "isDirectory throws on missing file"
(isDirectory ./does-not-exist))
(assertThrows "isRegularFile throws on missing file"
(isRegularFile ./does-not-exist))
(assertThrows "isSymlink throws on missing file"
(isSymlink ./does-not-exist))
]);
cheddarStorePath =
builtins.unsafeDiscardStringContext depot.tools.cheddar.outPath;
storePathNameTests = it "correctly gets the basename of a store path" [
(assertEq "base name of a derivation"
(storePathName depot.tools.cheddar) depot.tools.cheddar.name)
(assertEq "base name of a store path string"
(storePathName cheddarStorePath) depot.tools.cheddar.name)
(assertEq "base name of a path within a store path"
(storePathName "${cheddarStorePath}/bin/cheddar") "cheddar")
(assertEq "base name of a path"
(storePathName ../default.nix) "default.nix")
];
in
runTestsuite "nix.utils" [
pathPredicates
storePathNameTests
]