owa-rs/modules/std/tests/path.owa
2026-05-06 12:21:06 +03:00

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(namespace test.path
(test.case "path.sep"
(assert.eq! path.sep (match platform.os-family (:windows "\\") (_ "/")))
)
(test.case "path.root"
;; Relative paths and empty string have no root on all platforms.
(assert.eq! (path.root "relative") "")
(assert.eq! (path.root "") "")
(match platform.os-family
(:windows (seq
;; Rooted by backslash or forward-slash → canonical "\"
(assert.eq! (path.root "\\a\\b") "\\")
(assert.eq! (path.root "/a/b") "\\")
;; Drive-letter absolute ("X:\" or "X:/")
(assert.eq! (path.root "C:\\a\\b") "C:\\")
(assert.eq! (path.root "C:/a/b") "C:\\")
(assert.eq! (path.root "C:\\") "C:\\")
;; Drive letter WITHOUT a separator is relative on Windows
(assert.eq! (path.root "C:") "")
(assert.eq! (path.root "C:relative") "")
))
(_ (seq
(assert.eq! (path.root "/") "/")
(assert.eq! (path.root "/a/b") "/")
))
)
)
(test.case "path.absolute?"
;; "/" is recognised as absolute on all platforms.
(assert.ok! (path.absolute? "/absolute/unix"))
(assert.ok! (path.absolute? "/"))
(assert.not! (path.absolute? "relative/unix"))
(assert.not! (path.absolute? "./relative/unix"))
(match platform.os-family
(:windows (seq
;; Drive-letter prefix (both separators)
(assert.ok! (path.absolute? "C:\\absolute\\windows"))
(assert.ok! (path.absolute? "C:/absolute/windows"))
;; UNC / rooted backslash
(assert.ok! (path.absolute? "\\absolute\\unc"))
;; Relative Windows paths
(assert.not! (path.absolute? "relative\\windows"))
(assert.not! (path.absolute? ".\\relative\\windows"))
;; Drive letter without separator is relative
(assert.not! (path.absolute? "C:relative"))
))
(_ (void))
)
)
(test.case "path.relative?"
(assert.ok! (path.relative? "relative/unix"))
(assert.not! (path.relative? "/absolute/unix"))
(match platform.os-family
(:windows (seq
(assert.ok! (path.relative? "relative\\windows"))
(assert.not! (path.relative? "C:\\absolute\\windows"))
(assert.not! (path.relative? "\\absolute\\unc"))
(assert.ok! (path.relative? "C:relative"))
))
(_ (void))
)
)
(test.case "path.split"
(assert.eq! (path.split "") [])
(assert.eq! (path.split "a") ["a"])
(match platform.os-family
(:windows (seq
(assert.eq! (path.split "a\\b\\c") ["a" "b" "c"])
;; Windows also accepts "/" as separator
(assert.eq! (path.split "a/b/c") ["a" "b" "c"])
;; Drive-letter prefix is kept as the first component (round-trip with join)
(assert.eq! (path.split "C:\\a\\b") ["C:" "a" "b"])
(assert.eq! (path.split "C:/a/b") ["C:" "a" "b"])
))
(_ (seq
(assert.eq! (path.split "a/b/c") ["a" "b" "c"])
))
)
)
(test.case "path.join"
(assert.eq! (path.join []) "")
(assert.eq! (path.join ["a"]) "a")
(match platform.os-family
(:windows (seq
(assert.eq! (path.join ["a" "b" "c"]) "a\\b\\c")
(assert.eq! (path.join ["C:" "a" "b"]) "C:\\a\\b")
))
(_ (seq
(assert.eq! (path.join ["a" "b" "c"]) (str.concat "a" path.sep "b" path.sep "c"))
))
)
)
(test.case "path.normalize"
(match platform.os-family
(:windows (seq
;; Dot component is stripped
(assert.eq! (path.normalize "a\\.\\b") (path.join ["a" "b"]))
;; Double-dot collapses parent
(assert.eq! (path.normalize "a\\..\\b") "b")
;; Rooted-backslash absolute path
(assert.eq! (path.normalize "\\a\\..\\b") (str.concat path.sep "b"))
;; Bug fix: absolute path collapsing to root returns the root, not ""
(assert.eq! (path.normalize "\\") "\\")
(assert.eq! (path.normalize "\\a\\..") "\\")
;; Drive-letter paths: no spurious leading "\" added
(assert.eq! (path.normalize "C:\\a\\..\\b") "C:\\b")
(assert.eq! (path.normalize "C:\\") "C:\\")
(assert.eq! (path.normalize "C:\\a\\b\\..\\..") "C:\\")
;; Windows normalises "/" separators as well
(assert.eq! (path.normalize "a/./b") (path.join ["a" "b"]))
(assert.eq! (path.normalize "C:/a/../b") "C:\\b")
))
(_ (seq
;; Dot component is stripped
(assert.eq! (path.normalize "a/./b") (path.join ["a" "b"]))
;; Double-dot collapses parent
(assert.eq! (path.normalize "a/../b") "b")
;; Rooted absolute path
(assert.eq! (path.normalize "/a/../b") (str.concat path.sep "b"))
;; Bug fix: absolute path collapsing to root returns "/", not ""
(assert.eq! (path.normalize "/") "/")
(assert.eq! (path.normalize "/a/..") "/")
(assert.eq! (path.normalize "/a/b/../..") "/")
))
)
)
(test.case "path.parent"
;; Top-level relative path always returns "" on every platform.
(assert.eq! (path.parent "a") "")
(match platform.os-family
(:windows (seq
(assert.eq! (path.parent "a\\b\\c") "a\\b")
(assert.eq! (path.parent "a\\b") "a")
;; Bug fix: rooted paths return "\" not hardcoded "/"
(assert.eq! (path.parent "\\") "\\")
(assert.eq! (path.parent "\\..\\a\\.\\..\\") "\\")
;; Drive-letter paths
(assert.eq! (path.parent "C:\\") "C:\\")
(assert.eq! (path.parent "C:\\a") "C:\\")
(assert.eq! (path.parent "C:\\a\\b") "C:\\a")
(assert.eq! (path.parent "C:\\a\\b\\c") "C:\\a\\b")
))
(_ (seq
(assert.eq! (path.parent "a/b/c") "a/b")
(assert.eq! (path.parent "a/b") "a")
(assert.eq! (path.parent "/") "/")
(assert.eq! (path.parent "/../a/./../") "/")
))
)
)
(test.case "path.basename"
(assert.eq! (path.basename "file.txt") "file.txt")
(match platform.os-family
(:windows (seq
(assert.eq! (path.basename "a\\b\\c") "c")
;; Trailing separator → empty basename
(assert.eq! (path.basename "a\\b\\") "")
(assert.eq! (path.basename "C:\\Users\\file.txt") "file.txt")
;; Windows also handles "/" separator
(assert.eq! (path.basename "a/b/c") "c")
))
(_ (seq
(assert.eq! (path.basename "a/b/c") "c")
(assert.eq! (path.basename "a/b/") "")
))
)
)
(test.case "path.ext"
;; Basic cases work on all platforms (basename is a simple name)
(assert.eq! (path.ext "file.txt") ".txt")
(assert.eq! (path.ext "file") "")
(assert.eq! (path.ext ".hidden") "")
(assert.eq! (path.ext "archive.tar.gz") ".gz")
(assert.eq! (path.ext "file.") "")
(assert.eq! (path.ext "") "")
(match platform.os-family
(:windows (seq
(assert.eq! (path.ext "C:\\Users\\file.txt") ".txt")
(assert.eq! (path.ext "a\\b\\no-ext") "")
))
(_ (seq
(assert.eq! (path.ext "a/b/file.txt") ".txt")
(assert.eq! (path.ext "a/b/no-ext") "")
))
)
)
(test.case "path.stem"
(assert.eq! (path.stem "file.txt") "file")
(assert.eq! (path.stem "file") "file")
(assert.eq! (path.stem ".hidden") ".hidden")
(assert.eq! (path.stem "archive.tar.gz") "archive.tar")
(assert.eq! (path.stem "") "")
(match platform.os-family
(:windows (seq
(assert.eq! (path.stem "C:\\Users\\file.txt") "file")
))
(_ (seq
(assert.eq! (path.stem "a/b/file.txt") "file")
))
)
)
(test.case "path.with-ext"
(assert.eq! (path.with-ext "file.txt" ".md") "file.md")
(assert.eq! (path.with-ext "file.txt" "") "file")
(assert.eq! (path.with-ext "file" ".txt") "file.txt")
(assert.eq! (path.with-ext "archive.tar.gz" ".bz2") "archive.tar.bz2")
;; Hidden file: no extension → new-ext is appended
(assert.eq! (path.with-ext ".hidden" ".txt") ".hidden.txt")
;; Directory prefix is preserved
(match platform.os-family
(:windows (seq
(assert.eq! (path.with-ext "C:\\a\\file.txt" ".md") "C:\\a\\file.md")
))
(_ (seq
(assert.eq! (path.with-ext "a/b/file.txt" ".md") "a/b/file.md")
))
)
)
(test.case "path.resolve"
(match platform.os-family
(:windows (seq
;; Relative path is joined to base and normalized
(assert.eq! (path.resolve "C:\\base" "file.txt") "C:\\base\\file.txt")
;; ".." is resolved against base
(assert.eq! (path.resolve "C:\\base\\dir" "..\\file.txt") "C:\\base\\file.txt")
;; Absolute path ignores base
(assert.eq! (path.resolve "C:\\other" "C:\\absolute") "C:\\absolute")
;; Deep traversal
(assert.eq! (path.resolve "C:\\a\\b\\c" "..\\..\\d") "C:\\a\\d")
))
(_ (seq
(assert.eq! (path.resolve "/base" "file.txt") "/base/file.txt")
(assert.eq! (path.resolve "/base/dir" "../file.txt") "/base/file.txt")
;; Absolute path ignores base
(assert.eq! (path.resolve "/other" "/absolute") "/absolute")
;; Deep traversal
(assert.eq! (path.resolve "/a/b/c" "../../d") "/a/d")
;; Relative base + relative path
(assert.eq! (path.resolve "base/dir" "file.txt") "base/dir/file.txt")
))
)
)
(test.case "path.relative-to"
(match platform.os-family
(:windows (seq
;; Child path
(assert.eq! (path.relative-to "C:\\a\\b" "C:\\a\\b\\c\\d") "c\\d")
;; Sibling path
(assert.eq! (path.relative-to "C:\\a\\b" "C:\\a\\c") "..\\c")
;; Ancestor path
(assert.eq! (path.relative-to "C:\\a\\b\\c" "C:\\a") "..\\..")
;; Same path → "."
(assert.eq! (path.relative-to "C:\\a\\b" "C:\\a\\b") ".")
;; From root
(assert.eq! (path.relative-to "C:\\" "C:\\a\\b") "a\\b")
;; Different drives → return normalized target unchanged
(assert.eq! (path.relative-to "C:\\a" "D:\\b") "D:\\b")
))
(_ (seq
(assert.eq! (path.relative-to "/a/b" "/a/b/c/d") "c/d")
(assert.eq! (path.relative-to "/a/b" "/a/c") "../c")
(assert.eq! (path.relative-to "/a/b/c" "/a") "../..")
;; Same path → "."
(assert.eq! (path.relative-to "/a/b" "/a/b") ".")
;; From root
(assert.eq! (path.relative-to "/" "/a/b") "a/b")
;; Relative paths
(assert.eq! (path.relative-to "a/b" "a/b/c") "c")
(assert.eq! (path.relative-to "a/b" "a/c") "../c")
))
)
)
)