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