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--
-- Tests for the system module
--
local path = require 'path'
local tasty = require 'tasty'
local group = tasty.test_group
local test = tasty.test_case
local assert = tasty.assert
-- Check existence static fields
return {
group 'static fields' {
test('separator', function ()
assert.are_equal(type(path.separator), 'string')
end),
test('search_path_separator', function ()
assert.are_equal(type(path.search_path_separator), 'string')
end),
},
group 'directory' {
test('directory from file path', function ()
print(path.join{'/', '2020', 'img', 'mask.jpg'})
assert.are_equal(
path.directory(path.join{'/', '2020', 'img', 'mask.jpg'}),
path.join{'/', '2020', 'img'}
)
end),
test('drops trailing path sep', function ()
assert.are_equal(
path.directory(path.join{'this', 'that'} .. path.separator),
path.join{'this', 'that'}
)
end),
test('returns dot if given just a filename', function ()
assert.are_equal(
path.directory('index.html'),
'.'
)
end)
},
group 'filename' {
test('removes directories', function ()
assert.are_equal(
path.filename(path.join{'paper', 'refs.bib'}),
'refs.bib'
)
assert.are_equal(
path.filename(path.join{'www', '.htaccess'}),
'.htaccess'
)
end),
test('empty if no filename present', function ()
assert.are_equal(
path.filename(path.join{'usr', 'bin'} .. path.separator),
''
)
end)
},
group 'is_absolute' {
test('network path is absolute', function ()
local paths = {'c:', 'Applications'}
assert.is_truthy(path.is_absolute '//foo/bar')
end),
test('pure filename is not absolute', function ()
assert.is_falsy(path.is_absolute '1337.txt')
end),
},
group 'is_relative' {
test('joined paths are relative', function ()
local paths = {'one', 'two', 'test'}
assert.is_truthy(path.is_relative(path.join(paths)))
end),
test('pure filename is relative', function ()
assert.is_truthy(path.is_relative '1337.txt')
end),
test('network path is not relative', function ()
assert.is_falsy(path.is_relative '//foo/bar')
end),
},
group 'splitting/joining' {
test('split_path is inverse of join', function ()
local paths = {'one', 'two', 'test'}
assert.are_same(path.split(path.join(paths)), paths)
end),
},
group 'split_extensions' {
test('filename', function ()
assert.are_equal(path.split_extension 'image.jpg', 'image')
end),
test('extension', function ()
assert.is_truthy(select(2, path.split_extension 'thesis.tex'), '.tex')
assert.are_equal(select(2, path.split_extension 'fstab'), '')
end),
test('concat gives inverts split', function ()
local filenames = {'/etc/passwd', '34a90-1.bat', 'backup.tar.gz'}
for _, filename in ipairs(filenames) do
local base, ext = path.split_extension(filename)
assert.are_equal(base .. ext, filename)
end
end),
},
group 'normalize' {
test('removes leading `./`', function ()
assert.are_equal(path.normalize('./a.md'), 'a.md')
end),
test('dedupe path separators', function ()
assert.are_equal(path.normalize('a//b'), path.join{'a', 'b'})
end)
},
group 'relative or absolute' {
test('xor', function ()
local test_paths = {
path.join{ 'hello', 'rudi'},
path.join{ '.', 'autoexec.bat'},
path.join{ 'C:', 'config.sys'},
path.join{ '/', 'etc', 'passwd'}
}
for _, fp in ipairs(test_paths) do
assert.is_truthy(path.is_relative(fp) == not path.is_absolute(fp))
end
end)
},
group 'strings as path objects' {
test('setup', path.treat_strings_as_paths),
test('split extension', function ()
local img = 'mandrill.jpg'
assert.are_equal(img:split_extension(), 'mandrill')
end),
test('conbine paths with `/`', function ()
assert.are_equal('a' / 'b', path.join{'a', 'b'})
end),
test('add extension with `+`', function ()
assert.are_equal('a' + 'b', path.join{'a.b'})
end),
},
group 'make_relative' {
group 'safe' {
test('just the filename if file is within path', function()
assert.are_equal(
path.make_relative('/foo/bar/file.txt', '/foo/bar'),
'file.txt'
)
end),
test('no change if name outside of reference dir', function()
assert.are_equal(
path.make_relative('/foo/baz/file.txt', '/foo/bar'),
'/foo/baz/file.txt'
)
end),
test('return dot if both paths are the same', function()
assert.are_equal(
path.make_relative('/one/two/three', '/one/two/three/'),
'.'
)
end),
},
group 'unsafe' {
test('just the filename if file is within path', function()
assert.are_equal(
path.make_relative('/foo/bar/file.txt', '/foo/bar', true),
'file.txt'
)
end),
test('use `..` to reach parent directory', function()
assert.are_equal(
path.make_relative('/foo/baz/file.txt', '/foo/bar', true),
path.join{'..', 'baz', 'file.txt'}
)
end),
test('no change if base differs', function()
if path.separator == '\\' then
-- we're on windows
assert.are_equal(
path.make_relative('c:/foo/baz/file.txt', 'd:/foo/bar', true),
'c:/foo/baz/file.txt'
)
else
assert.are_equal(
path.make_relative('foo/baz/file.txt', '/foo/bar', true),
'foo/baz/file.txt'
)
end
end),
test('long base path ', function()
assert.are_equal(
path.make_relative('a/d.png', 'a/b/c', true),
path.join{'..', '..', 'd.png'}
)
end),
test('return dot if both paths are the same', function()
assert.are_equal(
path.make_relative('/one/two/three', '/one/two/three/', true),
'.'
)
end)
}
},
}
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