diff options
Diffstat (limited to 'nix/readTree/tests/default.nix')
| -rw-r--r-- | nix/readTree/tests/default.nix | 139 |
1 files changed, 139 insertions, 0 deletions
diff --git a/nix/readTree/tests/default.nix b/nix/readTree/tests/default.nix new file mode 100644 index 000000000000..6f9eb02effb9 --- /dev/null +++ b/nix/readTree/tests/default.nix @@ -0,0 +1,139 @@ +{ 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-tree/a is read" + tree-tl.skip-tree.a + "a is read normally") + (assertEq "skip-tree does not contain b" + (builtins.attrNames tree-tl.skip-tree) + [ "__readTree" "__readTreeChildren" "a" ]) + (assertEq "skip-tree children list does not contain b" + tree-tl.skip-tree.__readTreeChildren + [ "a" ]) + + (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 isn’t 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 I’m picked up") + + (assertEq "default.nix can be not an attrset" + tree-tl.default-nix.no-merge + "I’m 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) + # can’t test for that, assertThrows can’t catch this error + # (assertThrows "this file is a function but doesn’t 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 +] |