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>
		
			
				
	
	
		
			129 lines
		
	
	
	
		
			4.1 KiB
		
	
	
	
		
			Nix
		
	
	
	
	
	
			
		
		
	
	
			129 lines
		
	
	
	
		
			4.1 KiB
		
	
	
	
		
			Nix
		
	
	
	
	
	
| { depot, lib, ... }:
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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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