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require 'spec_helper'
describe Gitlab::Utils do
delegate :to_boolean, :boolean_to_yes_no, :slugify, :random_string, :which, :ensure_array_from_string,
:bytes_to_megabytes, :append_path, :check_path_traversal!, to: :described_class
describe '.check_path_traversal!' do
it 'detects path traversal at the start of the string' do
expect { check_path_traversal!('../foo') }.to raise_error(/Invalid path/)
end
it 'detects path traversal at the start of the string, even to just the subdirectory' do
expect { check_path_traversal!('../') }.to raise_error(/Invalid path/)
end
it 'detects path traversal in the middle of the string' do
expect { check_path_traversal!('foo/../../bar') }.to raise_error(/Invalid path/)
end
it 'detects path traversal at the end of the string when slash-terminates' do
expect { check_path_traversal!('foo/../') }.to raise_error(/Invalid path/)
end
it 'detects path traversal at the end of the string' do
expect { check_path_traversal!('foo/..') }.to raise_error(/Invalid path/)
end
it 'does nothing for a safe string' do
expect(check_path_traversal!('./foo')).to eq('./foo')
end
end
describe '.slugify' do
{
'TEST' => 'test',
'project_with_underscores' => 'project-with-underscores',
'namespace/project' => 'namespace-project',
'a' * 70 => 'a' * 63,
'test_trailing_' => 'test-trailing'
}.each do |original, expected|
it "slugifies #{original} to #{expected}" do
expect(slugify(original)).to eq(expected)
end
end
end
describe '.nlbr' do
it 'replaces new lines with <br>' do
expect(described_class.nlbr("<b>hello</b>\n<i>world</i>".freeze)).to eq("hello<br>world")
end
end
describe '.remove_line_breaks' do
using RSpec::Parameterized::TableSyntax
where(:original, :expected) do
"foo\nbar\nbaz" | "foobarbaz"
"foo\r\nbar\r\nbaz" | "foobarbaz"
"foobar" | "foobar"
end
with_them do
it "replace line breaks with an empty string" do
expect(described_class.remove_line_breaks(original)).to eq(expected)
end
end
end
describe '.to_boolean' do
it 'accepts booleans' do
expect(to_boolean(true)).to be(true)
expect(to_boolean(false)).to be(false)
end
it 'converts a valid string to a boolean' do
expect(to_boolean(true)).to be(true)
expect(to_boolean('true')).to be(true)
expect(to_boolean('YeS')).to be(true)
expect(to_boolean('t')).to be(true)
expect(to_boolean('1')).to be(true)
expect(to_boolean('ON')).to be(true)
expect(to_boolean('FaLse')).to be(false)
expect(to_boolean('F')).to be(false)
expect(to_boolean('NO')).to be(false)
expect(to_boolean('n')).to be(false)
expect(to_boolean('0')).to be(false)
expect(to_boolean('oFF')).to be(false)
end
it 'converts an invalid string to nil' do
expect(to_boolean('fals')).to be_nil
expect(to_boolean('yeah')).to be_nil
expect(to_boolean('')).to be_nil
expect(to_boolean(nil)).to be_nil
end
end
describe '.boolean_to_yes_no' do
it 'converts booleans to Yes or No' do
expect(boolean_to_yes_no(true)).to eq('Yes')
expect(boolean_to_yes_no(false)).to eq('No')
end
end
describe '.random_string' do
it 'generates a string' do
expect(random_string).to be_kind_of(String)
end
end
describe '.which' do
it 'finds the full path to an executable binary' do
expect(File).to receive(:executable?).with('/bin/sh').and_return(true)
expect(which('sh', 'PATH' => '/bin')).to eq('/bin/sh')
end
end
describe '.ensure_array_from_string' do
it 'returns the same array if given one' do
arr = ['a', 4, true, { test: 1 }]
expect(ensure_array_from_string(arr)).to eq(arr)
end
it 'turns comma-separated strings into arrays' do
str = 'seven, eight, 9, 10'
expect(ensure_array_from_string(str)).to eq(%w[seven eight 9 10])
end
end
describe '.bytes_to_megabytes' do
it 'converts bytes to megabytes' do
bytes = 1.megabyte
expect(bytes_to_megabytes(bytes)).to eq(1)
end
end
describe '.append_path' do
using RSpec::Parameterized::TableSyntax
where(:host, :path, :result) do
'http://test/' | '/foo/bar' | 'http://test/foo/bar'
'http://test/' | '//foo/bar' | 'http://test/foo/bar'
'http://test//' | '/foo/bar' | 'http://test/foo/bar'
'http://test' | 'foo/bar' | 'http://test/foo/bar'
'http://test//' | '' | 'http://test/'
'http://test//' | nil | 'http://test/'
'' | '/foo/bar' | '/foo/bar'
nil | '/foo/bar' | '/foo/bar'
end
with_them do
it 'makes sure there is only one slash as path separator' do
expect(append_path(host, path)).to eq(result)
end
end
end
describe '.ensure_utf8_size' do
context 'string is has less bytes than expected' do
it 'backfills string with null characters' do
transformed = described_class.ensure_utf8_size('a' * 10, bytes: 32)
expect(transformed.bytesize).to eq 32
expect(transformed).to eq(('a' * 10) + ('0' * 22))
end
end
context 'string size is exactly the one that is expected' do
it 'returns original value' do
transformed = described_class.ensure_utf8_size('a' * 32, bytes: 32)
expect(transformed).to eq 'a' * 32
expect(transformed.bytesize).to eq 32
end
end
context 'when string contains a few multi-byte UTF characters' do
it 'backfills string with null characters' do
transformed = described_class.ensure_utf8_size('❤' * 6, bytes: 32)
expect(transformed).to eq '❤❤❤❤❤❤' + ('0' * 14)
expect(transformed.bytesize).to eq 32
end
end
context 'when string has multiple multi-byte UTF chars exceeding 32 bytes' do
it 'truncates string to 32 characters and backfills it if needed' do
transformed = described_class.ensure_utf8_size('❤' * 18, bytes: 32)
expect(transformed).to eq(('❤' * 10) + ('0' * 2))
expect(transformed.bytesize).to eq 32
end
end
end
end
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