nushell/crates/nu-std/test_dirs.nu

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use std.nu "assert length"
use std.nu "assert equal"
def clean [path: path] {
cd $path
cd ..
rm -r $path
}
export def test_dirs_command [] {
# need some directories to play with
let base_path = ($nu.temp-path | path join $"test_dirs_(random uuid)")
let path_a = ($base_path | path join "a")
let path_b = ($base_path | path join "b")
try {
mkdir $base_path $path_a $path_b
cd $base_path
use std.nu "dirs next"
use std.nu "dirs prev"
use std.nu "dirs add"
use std.nu "dirs drop"
use std.nu "dirs show"
assert length $env.DIRS_LIST 1 "list is just pwd after initialization"
assert equal $base_path $env.DIRS_LIST.0 "list is just pwd after initialization"
dirs next
assert equal $base_path $env.DIRS_LIST.0 "next wraps at end of list"
dirs prev
assert equal $base_path $env.DIRS_LIST.0 "prev wraps at top of list"
dirs add $path_b $path_a
assert equal $path_b $env.PWD "add changes PWD to first added dir"
assert length $env.DIRS_LIST 3 "add in fact adds to list"
assert equal $path_a $env.DIRS_LIST.2 "add in fact adds to list"
dirs next 2
assert equal $base_path $env.PWD "next wraps at end of list"
dirs prev 1
assert equal $path_a $env.PWD "prev wraps at start of list"
dirs drop
assert length $env.DIRS_LIST 2 "drop removes from list"
assert equal $base_path $env.PWD "drop changes PWD to next in list (after dropped element)"
assert equal (dirs show) [[active path]; [true $base_path] [false $path_b]] "show table contains expected information"
} catch { |error|
clean $base_path
let error = (
$error
| get debug
| str replace "{" "("
| str replace "}" ")"
| parse 'GenericError("{msg}", "{text}", Some(Span ( start: {start}, end: {end} )), {rest})'
| reject rest
| get 0
)
error make {
msg: $error.msg
label: {
text: $error.text
start: ($error.start | into int)
end: ($error.end | into int)
}
}
}
try { clean $base_path }
}