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