tvl-depot/nix/readTree/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

129 lines
4.1 KiB
Nix
Raw Blame History

This file contains ambiguous Unicode characters

This file contains Unicode characters that might be confused with other characters. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

{ depot, lib, ... }:
let
inherit (depot.nix.runTestsuite)
runTestsuite
it
assertEq
assertThrows
;
tree-ex = depot.nix.readTree {
path = ./test-example;
args = { };
};
example = it "corresponds to the README example" [
(assertEq "third_party attrset"
(lib.isAttrs tree-ex.third_party
&& (! lib.isDerivation tree-ex.third_party))
true)
(assertEq "third_party attrset other attribute"
tree-ex.third_party.favouriteColour
"orange")
(assertEq "rustpkgs attrset aho-corasick"
tree-ex.third_party.rustpkgs.aho-corasick
"aho-corasick")
(assertEq "rustpkgs attrset serde"
tree-ex.third_party.rustpkgs.serde
"serde")
(assertEq "tools cheddear"
"cheddar"
tree-ex.tools.cheddar)
(assertEq "tools roquefort"
tree-ex.tools.roquefort
"roquefort")
];
tree-tl = depot.nix.readTree {
path = ./test-tree-traversal;
args = { };
};
traversal-logic = it "corresponds to the traversal logic in the README" [
(assertEq "skip subtree default.nix is read"
tree-tl.skip-subtree.but
"the default.nix is still read")
(assertEq "skip subtree a/default.nix is skipped"
(tree-tl.skip-subtree ? a)
false)
(assertEq "skip subtree b/c.nix is skipped"
(tree-tl.skip-subtree ? b)
false)
(assertEq "skip subtree a/default.nix would be read without .skip-subtree"
(tree-tl.no-skip-subtree.a)
"am I subtree yet?")
(assertEq "skip subtree b/c.nix would be read without .skip-subtree"
(tree-tl.no-skip-subtree.b.c)
"cool")
(assertEq "default.nix attrset is merged with siblings"
tree-tl.default-nix.no
"siblings should be read")
(assertEq "default.nix means sibling isnt read"
(tree-tl.default-nix ? sibling)
false)
(assertEq "default.nix means subdirs are still read and merged into default.nix"
(tree-tl.default-nix.subdir.a)
"but Im picked up")
(assertEq "default.nix can be not an attrset"
tree-tl.default-nix.no-merge
"Im not merged with any children")
(assertEq "default.nix is not an attrset -> children are not merged"
(tree-tl.default-nix.no-merge ? subdir)
false)
(assertEq "default.nix can contain a derivation"
(lib.isDerivation tree-tl.default-nix.can-be-drv)
true)
(assertEq "Even if default.nix is a derivation, children are traversed and merged"
tree-tl.default-nix.can-be-drv.subdir.a
"Picked up through the drv")
(assertEq "default.nix drv is not changed by readTree"
tree-tl.default-nix.can-be-drv
(import ./test-tree-traversal/default-nix/can-be-drv/default.nix { }))
];
# these each call readTree themselves because the throws have to happen inside assertThrows
wrong = it "cannot read these files and will complain" [
(assertThrows "this file is not a function"
(depot.nix.readTree {
path = ./test-wrong-not-a-function;
args = { };
}).not-a-function)
# cant test for that, assertThrows cant catch this error
# (assertThrows "this file is a function but doesnt have dots"
# (depot.nix.readTree {} ./test-wrong-no-dots).no-dots-in-function)
];
read-markers = depot.nix.readTree {
path = ./test-marker;
args = { };
};
assertMarkerByPath = path:
assertEq "${lib.concatStringsSep "." path} is marked correctly"
(lib.getAttrFromPath path read-markers).__readTree
path;
markers = it "marks nodes correctly" [
(assertMarkerByPath [ "directory-marked" ])
(assertMarkerByPath [ "directory-marked" "nested" ])
(assertMarkerByPath [ "file-children" "one" ])
(assertMarkerByPath [ "file-children" "two" ])
(assertEq "nix file children are marked correctly"
read-markers.file-children.__readTreeChildren [ "one" "two" ])
(assertEq "directory children are marked correctly"
read-markers.directory-marked.__readTreeChildren [ "nested" ])
(assertEq "absence of children is marked"
read-markers.directory-marked.nested.__readTreeChildren [ ])
];
in
runTestsuite "readTree" [
example
traversal-logic
wrong
markers
]