blob: cff7f57ceff86ce4c3498a1432f12a5ca2040636 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
|
require 'fast_spec_helper'
describe Gitlab::Ci::Pipeline::Expression::Lexeme::Pattern do
describe '.build' do
it 'creates a new instance of the token' do
expect(described_class.build('/.*/'))
.to be_a(described_class)
end
it 'raises an error if pattern is invalid' do
expect { described_class.build('/ some ( thin/i') }
.to raise_error(Gitlab::Ci::Pipeline::Expression::Lexer::SyntaxError)
end
end
describe '.type' do
it 'is a value lexeme' do
expect(described_class.type).to eq :value
end
end
describe '.scan' do
it 'correctly identifies a pattern token' do
scanner = StringScanner.new('/pattern/')
token = described_class.scan(scanner)
expect(token).not_to be_nil
expect(token.build.evaluate)
.to eq Gitlab::UntrustedRegexp.new('pattern')
end
it 'is a greedy scanner for regexp boundaries' do
scanner = StringScanner.new('/some .* / pattern/')
token = described_class.scan(scanner)
expect(token).not_to be_nil
expect(token.build.evaluate)
.to eq Gitlab::UntrustedRegexp.new('some .* / pattern')
end
it 'does not allow to use an empty pattern' do
scanner = StringScanner.new(%(//))
token = described_class.scan(scanner)
expect(token).to be_nil
end
it 'support single flag' do
scanner = StringScanner.new('/pattern/i')
token = described_class.scan(scanner)
expect(token).not_to be_nil
expect(token.build.evaluate)
.to eq Gitlab::UntrustedRegexp.new('(?i)pattern')
end
it 'support multiple flags' do
scanner = StringScanner.new('/pattern/im')
token = described_class.scan(scanner)
expect(token).not_to be_nil
expect(token.build.evaluate)
.to eq Gitlab::UntrustedRegexp.new('(?im)pattern')
end
it 'does not support arbitrary flags' do
scanner = StringScanner.new('/pattern/x')
token = described_class.scan(scanner)
expect(token).to be_nil
end
end
describe '#evaluate' do
it 'returns a regular expression' do
regexp = described_class.new('/abc/')
expect(regexp.evaluate).to eq Gitlab::UntrustedRegexp.new('abc')
end
it 'raises error if evaluated regexp is not valid' do
allow(Gitlab::UntrustedRegexp::RubySyntax).to receive(:valid?).and_return(true)
regexp = described_class.new('/invalid ( .*/')
expect { regexp.evaluate }
.to raise_error(Gitlab::Ci::Pipeline::Expression::RuntimeError)
end
end
end
|